clippy warnings

.travis.yml

@@ -8,11 +8,11 @@ cache:
 
 matrix:
   include:
-    - rust: 1.22.1
     - rust: stable
     - rust: beta
     - rust: nightly
   allow_failures:
+    - rust: 1.21.0
     - rust: nightly
 
 env:

rustfmt.toml

@@ -1,7 +1,5 @@
 max_width = 89
 reorder_imports = true
-#reorder_imports_in_group = true
-#reorder_imported_names = true
 wrap_comments = true
 fn_args_density = "Compressed"
-use_small_heuristics = false
+#use_small_heuristics = false

src/application.rs

@@ -111,7 +111,12 @@ impl<S: 'static> HttpHandler for HttpApplication<S> {
             let mut req = req.with_state(Rc::clone(&self.state), self.router.clone());
             let tp = self.get_handler(&mut req);
             let inner = Rc::clone(&self.inner);
-            Ok(Box::new(Pipeline::new(req, Rc::clone(&self.middlewares), inner, tp)))
+            Ok(Box::new(Pipeline::new(
+                req,
+                Rc::clone(&self.middlewares),
+                inner,
+                tp,
+            )))
         } else {
             Err(req)
         }
@@ -449,14 +454,20 @@ where
             }
             let parts = self.parts.as_mut().expect("Use after finish");
 
-            parts.handlers.push((path, Box::new(WrapHandler::new(handler))));
+            parts
+                .handlers
+                .push((path, Box::new(WrapHandler::new(handler))));
         }
         self
     }
 
     /// Register a middleware.
     pub fn middleware<M: Middleware<S>>(mut self, mw: M) -> App<S> {
-        self.parts.as_mut().expect("Use after finish").middlewares.push(Box::new(mw));
+        self.parts
+            .as_mut()
+            .expect("Use after finish")
+            .middlewares
+            .push(Box::new(mw));
         self
     }
 
@@ -611,8 +622,9 @@ mod tests {
 
     #[test]
     fn test_default_resource() {
-        let mut app =
-            App::new().resource("/test", |r| r.f(|_| HttpResponse::Ok())).finish();
+        let mut app = App::new()
+            .resource("/test", |r| r.f(|_| HttpResponse::Ok()))
+            .finish();
 
         let req = TestRequest::with_uri("/test").finish();
         let resp = app.run(req);
@@ -620,14 +632,20 @@ mod tests {
 
         let req = TestRequest::with_uri("/blah").finish();
         let resp = app.run(req);
-        assert_eq!(resp.as_response().unwrap().status(), StatusCode::NOT_FOUND);
+        assert_eq!(
+            resp.as_response().unwrap().status(),
+            StatusCode::NOT_FOUND
+        );
 
         let mut app = App::new()
             .default_resource(|r| r.f(|_| HttpResponse::MethodNotAllowed()))
             .finish();
         let req = TestRequest::with_uri("/blah").finish();
         let resp = app.run(req);
-        assert_eq!(resp.as_response().unwrap().status(), StatusCode::METHOD_NOT_ALLOWED);
+        assert_eq!(
+            resp.as_response().unwrap().status(),
+            StatusCode::METHOD_NOT_ALLOWED
+        );
     }
 
     #[test]
@@ -641,8 +659,9 @@ mod tests {
 
     #[test]
     fn test_state() {
-        let mut app =
-            App::with_state(10).resource("/", |r| r.f(|_| HttpResponse::Ok())).finish();
+        let mut app = App::with_state(10)
+            .resource("/", |r| r.f(|_| HttpResponse::Ok()))
+            .finish();
         let req =
             HttpRequest::default().with_state(Rc::clone(&app.state), app.router.clone());
         let resp = app.run(req);
@@ -674,7 +693,9 @@ mod tests {
 
     #[test]
     fn test_handler() {
-        let mut app = App::new().handler("/test", |_| HttpResponse::Ok()).finish();
+        let mut app = App::new()
+            .handler("/test", |_| HttpResponse::Ok())
+            .finish();
 
         let req = TestRequest::with_uri("/test").finish();
         let resp = app.run(req);
@@ -690,16 +711,24 @@ mod tests {
 
         let req = TestRequest::with_uri("/testapp").finish();
         let resp = app.run(req);
-        assert_eq!(resp.as_response().unwrap().status(), StatusCode::NOT_FOUND);
+        assert_eq!(
+            resp.as_response().unwrap().status(),
+            StatusCode::NOT_FOUND
+        );
 
         let req = TestRequest::with_uri("/blah").finish();
         let resp = app.run(req);
-        assert_eq!(resp.as_response().unwrap().status(), StatusCode::NOT_FOUND);
+        assert_eq!(
+            resp.as_response().unwrap().status(),
+            StatusCode::NOT_FOUND
+        );
     }
 
     #[test]
     fn test_handler2() {
-        let mut app = App::new().handler("test", |_| HttpResponse::Ok()).finish();
+        let mut app = App::new()
+            .handler("test", |_| HttpResponse::Ok())
+            .finish();
 
         let req = TestRequest::with_uri("/test").finish();
         let resp = app.run(req);
@@ -715,11 +744,17 @@ mod tests {
 
         let req = TestRequest::with_uri("/testapp").finish();
         let resp = app.run(req);
-        assert_eq!(resp.as_response().unwrap().status(), StatusCode::NOT_FOUND);
+        assert_eq!(
+            resp.as_response().unwrap().status(),
+            StatusCode::NOT_FOUND
+        );
 
         let req = TestRequest::with_uri("/blah").finish();
         let resp = app.run(req);
-        assert_eq!(resp.as_response().unwrap().status(), StatusCode::NOT_FOUND);
+        assert_eq!(
+            resp.as_response().unwrap().status(),
+            StatusCode::NOT_FOUND
+        );
     }
 
     #[test]
@@ -743,41 +778,68 @@ mod tests {
 
         let req = TestRequest::with_uri("/prefix/testapp").finish();
         let resp = app.run(req);
-        assert_eq!(resp.as_response().unwrap().status(), StatusCode::NOT_FOUND);
+        assert_eq!(
+            resp.as_response().unwrap().status(),
+            StatusCode::NOT_FOUND
+        );
 
         let req = TestRequest::with_uri("/prefix/blah").finish();
         let resp = app.run(req);
-        assert_eq!(resp.as_response().unwrap().status(), StatusCode::NOT_FOUND);
+        assert_eq!(
+            resp.as_response().unwrap().status(),
+            StatusCode::NOT_FOUND
+        );
     }
 
     #[test]
     fn test_route() {
         let mut app = App::new()
-            .route("/test", Method::GET, |_: HttpRequest| HttpResponse::Ok())
-            .route("/test", Method::POST, |_: HttpRequest| HttpResponse::Created())
+            .route("/test", Method::GET, |_: HttpRequest| {
+                HttpResponse::Ok()
+            })
+            .route("/test", Method::POST, |_: HttpRequest| {
+                HttpResponse::Created()
+            })
             .finish();
 
-        let req = TestRequest::with_uri("/test").method(Method::GET).finish();
+        let req = TestRequest::with_uri("/test")
+            .method(Method::GET)
+            .finish();
         let resp = app.run(req);
         assert_eq!(resp.as_response().unwrap().status(), StatusCode::OK);
 
-        let req = TestRequest::with_uri("/test").method(Method::POST).finish();
+        let req = TestRequest::with_uri("/test")
+            .method(Method::POST)
+            .finish();
         let resp = app.run(req);
-        assert_eq!(resp.as_response().unwrap().status(), StatusCode::CREATED);
+        assert_eq!(
+            resp.as_response().unwrap().status(),
+            StatusCode::CREATED
+        );
 
-        let req = TestRequest::with_uri("/test").method(Method::HEAD).finish();
+        let req = TestRequest::with_uri("/test")
+            .method(Method::HEAD)
+            .finish();
         let resp = app.run(req);
-        assert_eq!(resp.as_response().unwrap().status(), StatusCode::NOT_FOUND);
+        assert_eq!(
+            resp.as_response().unwrap().status(),
+            StatusCode::NOT_FOUND
+        );
     }
 
     #[test]
     fn test_handler_prefix() {
-        let mut app =
-            App::new().prefix("/app").handler("/test", |_| HttpResponse::Ok()).finish();
+        let mut app = App::new()
+            .prefix("/app")
+            .handler("/test", |_| HttpResponse::Ok())
+            .finish();
 
         let req = TestRequest::with_uri("/test").finish();
         let resp = app.run(req);
-        assert_eq!(resp.as_response().unwrap().status(), StatusCode::NOT_FOUND);
+        assert_eq!(
+            resp.as_response().unwrap().status(),
+            StatusCode::NOT_FOUND
+        );
 
         let req = TestRequest::with_uri("/app/test").finish();
         let resp = app.run(req);
@@ -793,10 +855,16 @@ mod tests {
 
         let req = TestRequest::with_uri("/app/testapp").finish();
         let resp = app.run(req);
-        assert_eq!(resp.as_response().unwrap().status(), StatusCode::NOT_FOUND);
+        assert_eq!(
+            resp.as_response().unwrap().status(),
+            StatusCode::NOT_FOUND
+        );
 
         let req = TestRequest::with_uri("/app/blah").finish();
         let resp = app.run(req);
-        assert_eq!(resp.as_response().unwrap().status(), StatusCode::NOT_FOUND);
+        assert_eq!(
+            resp.as_response().unwrap().status(),
+            StatusCode::NOT_FOUND
+        );
     }
 }

src/body.rs

@@ -258,7 +258,9 @@ impl Responder for Binary {
     type Error = Error;
 
     fn respond_to(self, _: HttpRequest) -> Result<HttpResponse, Error> {
-        Ok(HttpResponse::Ok().content_type("application/octet-stream").body(self))
+        Ok(HttpResponse::Ok()
+            .content_type("application/octet-stream")
+            .body(self))
     }
 }
 

src/client/connector.rs

@@ -94,17 +94,13 @@ pub struct Pause {
 impl Pause {
     /// Create message with pause duration parameter
     pub fn new(time: Duration) -> Pause {
-        Pause {
-            time: Some(time),
-        }
+        Pause { time: Some(time) }
     }
 }
 
 impl Default for Pause {
     fn default() -> Pause {
-        Pause {
-            time: None,
-        }
+        Pause { time: None }
     }
 }
 
@@ -431,7 +427,8 @@ impl ClientConnector {
         } else {
             0
         };
-        self.acquired_per_host.insert(key.clone(), per_host + 1);
+        self.acquired_per_host
+            .insert(key.clone(), per_host + 1);
     }
 
     fn release_key(&mut self, key: &Key) {
@@ -442,7 +439,8 @@ impl ClientConnector {
             return;
         };
         if per_host > 1 {
-            self.acquired_per_host.insert(key.clone(), per_host - 1);
+            self.acquired_per_host
+                .insert(key.clone(), per_host - 1);
         } else {
             self.acquired_per_host.remove(key);
         }
@@ -518,7 +516,9 @@ impl ClientConnector {
     fn collect_periodic(&mut self, ctx: &mut Context<Self>) {
         self.collect(true);
         // re-schedule next collect period
-        ctx.run_later(Duration::from_secs(1), |act, ctx| act.collect_periodic(ctx));
+        ctx.run_later(Duration::from_secs(1), |act, ctx| {
+            act.collect_periodic(ctx)
+        });
 
         // send stats
         let stats = mem::replace(&mut self.stats, ClientConnectorStats::default());
@@ -583,7 +583,10 @@ impl ClientConnector {
             wait,
             conn_timeout,
         };
-        self.waiters.entry(key).or_insert_with(VecDeque::new).push_back(waiter);
+        self.waiters
+            .entry(key)
+            .or_insert_with(VecDeque::new)
+            .push_back(waiter);
         rx
     }
 }
@@ -828,7 +831,7 @@ impl fut::ActorFuture for Maintenance {
         act.collect_waiters();
 
         // check waiters
-        let tmp: &mut ClientConnector = unsafe { mem::transmute(act as &mut _) };
+        let tmp: &mut ClientConnector = unsafe { &mut *(act as *mut _) };
 
         for (key, waiters) in &mut tmp.waiters {
             while let Some(waiter) = waiters.pop_front() {
@@ -1102,7 +1105,10 @@ impl Pool {
         if self.to_close.borrow().is_empty() {
             None
         } else {
-            Some(mem::replace(&mut *self.to_close.borrow_mut(), Vec::new()))
+            Some(mem::replace(
+                &mut *self.to_close.borrow_mut(),
+                Vec::new(),
+            ))
         }
     }
 
@@ -1110,7 +1116,10 @@ impl Pool {
         if self.to_release.borrow().is_empty() {
             None
         } else {
-            Some(mem::replace(&mut *self.to_release.borrow_mut(), Vec::new()))
+            Some(mem::replace(
+                &mut *self.to_release.borrow_mut(),
+                Vec::new(),
+            ))
         }
     }
 

src/client/parser.rs

@@ -123,7 +123,7 @@ impl HttpResponseParser {
         let (len, version, status, headers_len) = {
             let b = unsafe {
                 let b: &[u8] = buf;
-                mem::transmute(b)
+                &*(b as *const _)
             };
             let mut resp = httparse::Response::new(&mut headers);
             match resp.parse(b)? {

src/client/pipeline.rs

@@ -269,7 +269,11 @@ impl Pipeline {
     #[inline]
     fn parse(&mut self) -> Poll<ClientResponse, HttpResponseParserError> {
         if let Some(ref mut conn) = self.conn {
-            match self.parser.as_mut().unwrap().parse(conn, &mut self.parser_buf) {
+            match self.parser
+                .as_mut()
+                .unwrap()
+                .parse(conn, &mut self.parser_buf)
+            {
                 Ok(Async::Ready(resp)) => {
                     // check content-encoding
                     if self.should_decompress {
@@ -301,7 +305,7 @@ impl Pipeline {
             return Ok(Async::Ready(None));
         }
         let conn: &mut Connection =
-            unsafe { mem::transmute(self.conn.as_mut().unwrap()) };
+            unsafe { &mut *(self.conn.as_mut().unwrap() as *mut _) };
 
         let mut need_run = false;
 
@@ -465,7 +469,9 @@ impl Pipeline {
         }
 
         // flush io but only if we need to
-        match self.writer.poll_completed(self.conn.as_mut().unwrap(), false) {
+        match self.writer
+            .poll_completed(self.conn.as_mut().unwrap(), false)
+        {
             Ok(Async::Ready(_)) => {
                 if self.disconnected
                     || (self.body_completed && self.writer.is_completed())

src/client/request.rs

@@ -499,7 +499,10 @@ impl ClientRequestBuilder {
             jar.add(cookie.into_owned());
             self.cookies = Some(jar)
         } else {
-            self.cookies.as_mut().unwrap().add(cookie.into_owned());
+            self.cookies
+                .as_mut()
+                .unwrap()
+                .add(cookie.into_owned());
         }
         self
     }
@@ -591,7 +594,11 @@ impl ClientRequestBuilder {
         if self.default_headers {
             // enable br only for https
             let https = if let Some(parts) = parts(&mut self.request, &self.err) {
-                parts.uri.scheme_part().map(|s| s == &uri::Scheme::HTTPS).unwrap_or(true)
+                parts
+                    .uri
+                    .scheme_part()
+                    .map(|s| s == &uri::Scheme::HTTPS)
+                    .unwrap_or(true)
             } else {
                 true
             };
@@ -603,7 +610,9 @@ impl ClientRequestBuilder {
             }
         }
 
-        let mut request = self.request.take().expect("cannot reuse request builder");
+        let mut request = self.request
+            .take()
+            .expect("cannot reuse request builder");
 
         // set cookies
         if let Some(ref mut jar) = self.cookies {
@@ -648,7 +657,9 @@ impl ClientRequestBuilder {
         S: Stream<Item = Bytes, Error = E> + 'static,
         E: Into<Error>,
     {
-        self.body(Body::Streaming(Box::new(stream.map_err(|e| e.into()))))
+        self.body(Body::Streaming(Box::new(
+            stream.map_err(|e| e.into()),
+        )))
     }
 
     /// Set an empty body and generate `ClientRequest`

src/client/response.rs

@@ -103,7 +103,12 @@ impl ClientResponse {
 
 impl fmt::Debug for ClientResponse {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        let res = writeln!(f, "\nClientResponse {:?} {}", self.version(), self.status());
+        let res = writeln!(
+            f,
+            "\nClientResponse {:?} {}",
+            self.version(),
+            self.status()
+        );
         let _ = writeln!(f, "  headers:");
         for (key, val) in self.headers().iter() {
             let _ = writeln!(f, "    {:?}: {:?}", key, val);
@@ -133,12 +138,14 @@ mod tests {
     #[test]
     fn test_debug() {
         let resp = ClientResponse::new(ClientMessage::default());
-        resp.as_mut()
-            .headers
-            .insert(header::COOKIE, HeaderValue::from_static("cookie1=value1"));
-        resp.as_mut()
-            .headers
-            .insert(header::COOKIE, HeaderValue::from_static("cookie2=value2"));
+        resp.as_mut().headers.insert(
+            header::COOKIE,
+            HeaderValue::from_static("cookie1=value1"),
+        );
+        resp.as_mut().headers.insert(
+            header::COOKIE,
+            HeaderValue::from_static("cookie2=value2"),
+        );
 
         let dbg = format!("{:?}", resp);
         assert!(dbg.contains("ClientResponse"));

src/client/writer.rs

@@ -114,7 +114,10 @@ impl HttpClientWriter {
                 self.buffer,
                 "{} {} {:?}\r",
                 msg.method(),
-                msg.uri().path_and_query().map(|u| u.as_str()).unwrap_or("/"),
+                msg.uri()
+                    .path_and_query()
+                    .map(|u| u.as_str())
+                    .unwrap_or("/"),
                 msg.version()
             )?;
 
@@ -250,8 +253,10 @@ fn content_encoder(buf: SharedBytes, req: &mut ClientRequest) -> ContentEncoder
             }
             let mut b = BytesMut::new();
             let _ = write!(b, "{}", bytes.len());
-            req.headers_mut()
-                .insert(CONTENT_LENGTH, HeaderValue::try_from(b.freeze()).unwrap());
+            req.headers_mut().insert(
+                CONTENT_LENGTH,
+                HeaderValue::try_from(b.freeze()).unwrap(),
+            );
             TransferEncoding::eof(buf)
         }
         Body::Streaming(_) | Body::Actor(_) => {
@@ -274,8 +279,10 @@ fn content_encoder(buf: SharedBytes, req: &mut ClientRequest) -> ContentEncoder
     };
 
     if encoding.is_compression() {
-        req.headers_mut()
-            .insert(CONTENT_ENCODING, HeaderValue::from_static(encoding.as_str()));
+        req.headers_mut().insert(
+            CONTENT_ENCODING,
+            HeaderValue::from_static(encoding.as_str()),
+        );
     }
 
     req.replace_body(body);

src/de.rs

@@ -41,9 +41,7 @@ pub struct PathDeserializer<'de, S: 'de> {
 
 impl<'de, S: 'de> PathDeserializer<'de, S> {
     pub fn new(req: &'de HttpRequest<S>) -> Self {
-        PathDeserializer {
-            req,
-        }
+        PathDeserializer { req }
     }
 }
 
@@ -204,12 +202,11 @@ impl<'de> de::MapAccess<'de> for ParamsDeserializer<'de> {
     where
         K: de::DeserializeSeed<'de>,
     {
-        self.current =
-            self.params.next().map(|&(ref k, ref v)| (k.as_ref(), v.as_ref()));
+        self.current = self.params
+            .next()
+            .map(|&(ref k, ref v)| (k.as_ref(), v.as_ref()));
         match self.current {
-            Some((key, _)) => Ok(Some(seed.deserialize(Key {
-                key,
-            })?)),
+            Some((key, _)) => Ok(Some(seed.deserialize(Key { key })?)),
             None => Ok(None),
         }
     }
@@ -219,9 +216,7 @@ impl<'de> de::MapAccess<'de> for ParamsDeserializer<'de> {
         V: de::DeserializeSeed<'de>,
     {
         if let Some((_, value)) = self.current.take() {
-            seed.deserialize(Value {
-                value,
-            })
+            seed.deserialize(Value { value })
         } else {
             Err(de::value::Error::custom("unexpected item"))
         }
@@ -377,7 +372,9 @@ impl<'de> Deserializer<'de> for Value<'de> {
     where
         V: Visitor<'de>,
     {
-        Err(de::value::Error::custom("unsupported type: tuple struct"))
+        Err(de::value::Error::custom(
+            "unsupported type: tuple struct",
+        ))
     }
 
     unsupported_type!(deserialize_any, "any");
@@ -419,9 +416,7 @@ impl<'de> de::EnumAccess<'de> for ValueEnum<'de> {
         V: de::DeserializeSeed<'de>,
     {
         Ok((
-            seed.deserialize(Key {
-                key: self.value,
-            })?,
+            seed.deserialize(Key { key: self.value })?,
             UnitVariant,
         ))
     }

src/error.rs

@@ -68,7 +68,12 @@ impl fmt::Debug for Error {
         if let Some(bt) = self.cause.backtrace() {
             write!(f, "{:?}\n\n{:?}", &self.cause, bt)
         } else {
-            write!(f, "{:?}\n\n{:?}", &self.cause, self.backtrace.as_ref().unwrap())
+            write!(
+                f,
+                "{:?}\n\n{:?}",
+                &self.cause,
+                self.backtrace.as_ref().unwrap()
+            )
         }
     }
 }
@@ -302,7 +307,10 @@ pub enum HttpRangeError {
 /// Return `BadRequest` for `HttpRangeError`
 impl ResponseError for HttpRangeError {
     fn error_response(&self) -> HttpResponse {
-        HttpResponse::with_body(StatusCode::BAD_REQUEST, "Invalid Range header provided")
+        HttpResponse::with_body(
+            StatusCode::BAD_REQUEST,
+            "Invalid Range header provided",
+        )
     }
 }
 

src/extractor.rs

@@ -110,9 +110,7 @@ where
         result(
             de::Deserialize::deserialize(PathDeserializer::new(&req))
                 .map_err(|e| e.into())
-                .map(|inner| Path {
-                    inner,
-                }),
+                .map(|inner| Path { inner }),
         )
     }
 }
@@ -248,7 +246,12 @@ where
 
     #[inline]
     fn from_request(req: &HttpRequest<S>, cfg: &Self::Config) -> Self::Result {
-        Box::new(UrlEncoded::new(req.clone()).limit(cfg.limit).from_err().map(Form))
+        Box::new(
+            UrlEncoded::new(req.clone())
+                .limit(cfg.limit)
+                .from_err()
+                .map(Form),
+        )
     }
 }
 
@@ -293,9 +296,7 @@ impl FormConfig {
 
 impl Default for FormConfig {
     fn default() -> Self {
-        FormConfig {
-            limit: 262_144,
-        }
+        FormConfig { limit: 262_144 }
     }
 }
 
@@ -336,7 +337,11 @@ impl<S: 'static> FromRequest<S> for Bytes {
             return Either::A(result(Err(e)));
         }
 
-        Either::B(Box::new(MessageBody::new(req.clone()).limit(cfg.limit).from_err()))
+        Either::B(Box::new(
+            MessageBody::new(req.clone())
+                .limit(cfg.limit)
+                .from_err(),
+        ))
     }
 }
 
@@ -382,14 +387,18 @@ impl<S: 'static> FromRequest<S> for String {
         // check charset
         let encoding = match req.encoding() {
             Err(_) => {
-                return Either::A(result(Err(ErrorBadRequest("Unknown request charset"))))
+                return Either::A(result(Err(ErrorBadRequest(
+                    "Unknown request charset",
+                ))))
             }
             Ok(encoding) => encoding,
         };
 
         Either::B(Box::new(
-            MessageBody::new(req.clone()).limit(cfg.limit).from_err().and_then(
-                move |body| {
+            MessageBody::new(req.clone())
+                .limit(cfg.limit)
+                .from_err()
+                .and_then(move |body| {
                     let enc: *const Encoding = encoding as *const Encoding;
                     if enc == UTF_8 {
                         Ok(str::from_utf8(body.as_ref())
@@ -400,8 +409,7 @@ impl<S: 'static> FromRequest<S> for String {
                             .decode(&body, DecoderTrap::Strict)
                             .map_err(|_| ErrorBadRequest("Can not decode body"))?)
                     }
-                },
-            ),
+                }),
         ))
     }
 }
@@ -477,7 +485,8 @@ mod tests {
     fn test_bytes() {
         let cfg = PayloadConfig::default();
         let mut req = TestRequest::with_header(header::CONTENT_LENGTH, "11").finish();
-        req.payload_mut().unread_data(Bytes::from_static(b"hello=world"));
+        req.payload_mut()
+            .unread_data(Bytes::from_static(b"hello=world"));
 
         match Bytes::from_request(&req, &cfg).poll().unwrap() {
             Async::Ready(s) => {
@@ -491,7 +500,8 @@ mod tests {
     fn test_string() {
         let cfg = PayloadConfig::default();
         let mut req = TestRequest::with_header(header::CONTENT_LENGTH, "11").finish();
-        req.payload_mut().unread_data(Bytes::from_static(b"hello=world"));
+        req.payload_mut()
+            .unread_data(Bytes::from_static(b"hello=world"));
 
         match String::from_request(&req, &cfg).poll().unwrap() {
             Async::Ready(s) => {
@@ -508,7 +518,8 @@ mod tests {
             "application/x-www-form-urlencoded",
         ).header(header::CONTENT_LENGTH, "11")
             .finish();
-        req.payload_mut().unread_data(Bytes::from_static(b"hello=world"));
+        req.payload_mut()
+            .unread_data(Bytes::from_static(b"hello=world"));
 
         let mut cfg = FormConfig::default();
         cfg.limit(4096);
@@ -562,11 +573,17 @@ mod tests {
         let mut resource = ResourceHandler::<()>::default();
         resource.name("index");
         let mut routes = Vec::new();
-        routes.push((Resource::new("index", "/{key}/{value}/"), Some(resource)));
+        routes.push((
+            Resource::new("index", "/{key}/{value}/"),
+            Some(resource),
+        ));
         let (router, _) = Router::new("", ServerSettings::default(), routes);
         assert!(router.recognize(&mut req).is_some());
 
-        match Path::<MyStruct>::from_request(&req, &()).poll().unwrap() {
+        match Path::<MyStruct>::from_request(&req, &())
+            .poll()
+            .unwrap()
+        {
             Async::Ready(s) => {
                 assert_eq!(s.key, "name");
                 assert_eq!(s.value, "user1");
@@ -574,7 +591,10 @@ mod tests {
             _ => unreachable!(),
         }
 
-        match Path::<(String, String)>::from_request(&req, &()).poll().unwrap() {
+        match Path::<(String, String)>::from_request(&req, &())
+            .poll()
+            .unwrap()
+        {
             Async::Ready(s) => {
                 assert_eq!(s.0, "name");
                 assert_eq!(s.1, "user1");
@@ -600,7 +620,10 @@ mod tests {
             _ => unreachable!(),
         }
 
-        match Path::<(String, u8)>::from_request(&req, &()).poll().unwrap() {
+        match Path::<(String, u8)>::from_request(&req, &())
+            .poll()
+            .unwrap()
+        {
             Async::Ready(s) => {
                 assert_eq!(s.0, "name");
                 assert_eq!(s.1, 32);
@@ -608,9 +631,15 @@ mod tests {
             _ => unreachable!(),
         }
 
-        match Path::<Vec<String>>::from_request(&req, &()).poll().unwrap() {
+        match Path::<Vec<String>>::from_request(&req, &())
+            .poll()
+            .unwrap()
+        {
             Async::Ready(s) => {
-                assert_eq!(s.into_inner(), vec!["name".to_owned(), "32".to_owned()]);
+                assert_eq!(
+                    s.into_inner(),
+                    vec!["name".to_owned(), "32".to_owned()]
+                );
             }
             _ => unreachable!(),
         }

src/fs.rs

@@ -15,7 +15,7 @@ use bytes::{BufMut, Bytes, BytesMut};
 use futures::{Async, Future, Poll, Stream};
 use futures_cpupool::{CpuFuture, CpuPool};
 use mime;
-use mime_guess::{guess_mime_type, get_mime_type};
+use mime_guess::{get_mime_type, guess_mime_type};
 
 use error::Error;
 use handler::{Handler, Reply, Responder, RouteHandler, WrapHandler};
@@ -203,24 +203,29 @@ impl Responder for NamedFile {
         if self.status_code != StatusCode::OK {
             let mut resp = HttpResponse::build(self.status_code);
             resp.if_some(self.path().extension(), |ext, resp| {
-                resp.set(header::ContentType(get_mime_type(&ext.to_string_lossy())));
+                resp.set(header::ContentType(get_mime_type(
+                    &ext.to_string_lossy(),
+                )));
             }).if_some(self.path().file_name(), |file_name, resp| {
-                let mime_type = guess_mime_type(self.path());
-                let inline_or_attachment = match mime_type.type_() {
-                    mime::IMAGE | mime::TEXT => "inline",
-                    _ => "attachment",
-                };
-                resp.header(
-                    "Content-Disposition",
-                    format!("{inline_or_attachment}; filename={filename}",
-                            inline_or_attachment=inline_or_attachment,
-                            filename=file_name.to_string_lossy())
-                );
-            });
+                    let mime_type = guess_mime_type(self.path());
+                    let inline_or_attachment = match mime_type.type_() {
+                        mime::IMAGE | mime::TEXT => "inline",
+                        _ => "attachment",
+                    };
+                    resp.header(
+                        "Content-Disposition",
+                        format!(
+                            "{inline_or_attachment}; filename={filename}",
+                            inline_or_attachment = inline_or_attachment,
+                            filename = file_name.to_string_lossy()
+                        ),
+                    );
+                });
             let reader = ChunkedReadFile {
                 size: self.md.len(),
                 offset: 0,
-                cpu_pool: self.cpu_pool.unwrap_or_else(|| req.cpu_pool().clone()),
+                cpu_pool: self.cpu_pool
+                    .unwrap_or_else(|| req.cpu_pool().clone()),
                 file: Some(self.file),
                 fut: None,
             };
@@ -263,24 +268,30 @@ impl Responder for NamedFile {
         let mut resp = HttpResponse::build(self.status_code);
 
         resp.if_some(self.path().extension(), |ext, resp| {
-            resp.set(header::ContentType(get_mime_type(&ext.to_string_lossy())));
+            resp.set(header::ContentType(get_mime_type(
+                &ext.to_string_lossy(),
+            )));
         }).if_some(self.path().file_name(), |file_name, resp| {
-            let mime_type = guess_mime_type(self.path());
-            let inline_or_attachment = match mime_type.type_() {
-                mime::IMAGE | mime::TEXT => "inline",
-                _ => "attachment",
-            };
-            resp.header(
-                "Content-Disposition",
-                format!("{inline_or_attachment}; filename={filename}",
-                        inline_or_attachment=inline_or_attachment,
-                        filename=file_name.to_string_lossy())
-            );
-        }).if_some(last_modified, |lm, resp| {
+                let mime_type = guess_mime_type(self.path());
+                let inline_or_attachment = match mime_type.type_() {
+                    mime::IMAGE | mime::TEXT => "inline",
+                    _ => "attachment",
+                };
+                resp.header(
+                    "Content-Disposition",
+                    format!(
+                        "{inline_or_attachment}; filename={filename}",
+                        inline_or_attachment = inline_or_attachment,
+                        filename = file_name.to_string_lossy()
+                    ),
+                );
+            })
+            .if_some(last_modified, |lm, resp| {
                 resp.set(header::LastModified(lm));
-        }).if_some(etag, |etag, resp| {
-            resp.set(header::ETag(etag));
-        });
+            })
+            .if_some(etag, |etag, resp| {
+                resp.set(header::ETag(etag));
+            });
 
         if precondition_failed {
             return Ok(resp.status(StatusCode::PRECONDITION_FAILED).finish());
@@ -294,7 +305,8 @@ impl Responder for NamedFile {
             let reader = ChunkedReadFile {
                 size: self.md.len(),
                 offset: 0,
-                cpu_pool: self.cpu_pool.unwrap_or_else(|| req.cpu_pool().clone()),
+                cpu_pool: self.cpu_pool
+                    .unwrap_or_else(|| req.cpu_pool().clone()),
                 file: Some(self.file),
                 fut: None,
             };
@@ -362,10 +374,7 @@ pub struct Directory {
 
 impl Directory {
     pub fn new(base: PathBuf, path: PathBuf) -> Directory {
-        Directory {
-            base,
-            path,
-        }
+        Directory { base, path }
     }
 
     fn can_list(&self, entry: &io::Result<DirEntry>) -> bool {
@@ -435,7 +444,9 @@ impl Responder for Directory {
              </ul></body>\n</html>",
             index_of, index_of, body
         );
-        Ok(HttpResponse::Ok().content_type("text/html; charset=utf-8").body(html))
+        Ok(HttpResponse::Ok()
+            .content_type("text/html; charset=utf-8")
+            .body(html))
     }
 }
 
@@ -560,12 +571,13 @@ impl<S: 'static> Handler<S> for StaticFiles<S> {
         if !self.accessible {
             Ok(self.default.handle(req))
         } else {
-            let relpath =
-                match req.match_info().get("tail").map(|tail| PathBuf::from_param(tail))
-                {
-                    Some(Ok(path)) => path,
-                    _ => return Ok(self.default.handle(req)),
-                };
+            let relpath = match req.match_info()
+                .get("tail")
+                .map(|tail| PathBuf::from_param(tail))
+            {
+                Some(Ok(path)) => path,
+                _ => return Ok(self.default.handle(req)),
+            };
 
             // full filepath
             let path = self.directory.join(&relpath).canonicalize()?;
@@ -615,8 +627,9 @@ mod tests {
     #[test]
     fn test_named_file_text() {
         assert!(NamedFile::open("test--").is_err());
-        let mut file =
-            NamedFile::open("Cargo.toml").unwrap().set_cpu_pool(CpuPool::new(1));
+        let mut file = NamedFile::open("Cargo.toml")
+            .unwrap()
+            .set_cpu_pool(CpuPool::new(1));
         {
             file.file();
             let _f: &File = &file;
@@ -626,17 +639,23 @@ mod tests {
         }
 
         let resp = file.respond_to(HttpRequest::default()).unwrap();
-        assert_eq!(resp.headers().get(header::CONTENT_TYPE).unwrap(), "text/x-toml");
         assert_eq!(
-            resp.headers().get(header::CONTENT_DISPOSITION).unwrap(),
+            resp.headers().get(header::CONTENT_TYPE).unwrap(),
+            "text/x-toml"
+        );
+        assert_eq!(
+            resp.headers()
+                .get(header::CONTENT_DISPOSITION)
+                .unwrap(),
             "inline; filename=Cargo.toml"
         );
     }
 
     #[test]
     fn test_named_file_image() {
-        let mut file =
-            NamedFile::open("tests/test.png").unwrap().set_cpu_pool(CpuPool::new(1));
+        let mut file = NamedFile::open("tests/test.png")
+            .unwrap()
+            .set_cpu_pool(CpuPool::new(1));
         {
             file.file();
             let _f: &File = &file;
@@ -646,17 +665,23 @@ mod tests {
         }
 
         let resp = file.respond_to(HttpRequest::default()).unwrap();
-        assert_eq!(resp.headers().get(header::CONTENT_TYPE).unwrap(), "image/png");
         assert_eq!(
-            resp.headers().get(header::CONTENT_DISPOSITION).unwrap(),
+            resp.headers().get(header::CONTENT_TYPE).unwrap(),
+            "image/png"
+        );
+        assert_eq!(
+            resp.headers()
+                .get(header::CONTENT_DISPOSITION)
+                .unwrap(),
             "inline; filename=test.png"
         );
     }
 
     #[test]
     fn test_named_file_binary() {
-        let mut file =
-            NamedFile::open("tests/test.binary").unwrap().set_cpu_pool(CpuPool::new(1));
+        let mut file = NamedFile::open("tests/test.binary")
+            .unwrap()
+            .set_cpu_pool(CpuPool::new(1));
         {
             file.file();
             let _f: &File = &file;
@@ -666,9 +691,14 @@ mod tests {
         }
 
         let resp = file.respond_to(HttpRequest::default()).unwrap();
-        assert_eq!(resp.headers().get(header::CONTENT_TYPE).unwrap(), "application/octet-stream");
         assert_eq!(
-            resp.headers().get(header::CONTENT_DISPOSITION).unwrap(),
+            resp.headers().get(header::CONTENT_TYPE).unwrap(),
+            "application/octet-stream"
+        );
+        assert_eq!(
+            resp.headers()
+                .get(header::CONTENT_DISPOSITION)
+                .unwrap(),
             "attachment; filename=test.binary"
         );
     }
@@ -688,9 +718,14 @@ mod tests {
         }
 
         let resp = file.respond_to(HttpRequest::default()).unwrap();
-        assert_eq!(resp.headers().get(header::CONTENT_TYPE).unwrap(), "text/x-toml");
         assert_eq!(
-            resp.headers().get(header::CONTENT_DISPOSITION).unwrap(),
+            resp.headers().get(header::CONTENT_TYPE).unwrap(),
+            "text/x-toml"
+        );
+        assert_eq!(
+            resp.headers()
+                .get(header::CONTENT_DISPOSITION)
+                .unwrap(),
             "inline; filename=Cargo.toml"
         );
         assert_eq!(resp.status(), StatusCode::NOT_FOUND);
@@ -735,7 +770,9 @@ mod tests {
         req.match_info_mut().add("tail", "");
 
         st.show_index = true;
-        let resp = st.handle(req).respond_to(HttpRequest::default()).unwrap();
+        let resp = st.handle(req)
+            .respond_to(HttpRequest::default())
+            .unwrap();
         let resp = resp.as_response().expect("HTTP Response");
         assert_eq!(
             resp.headers().get(header::CONTENT_TYPE).unwrap(),
@@ -751,18 +788,28 @@ mod tests {
         let mut req = HttpRequest::default();
         req.match_info_mut().add("tail", "tests");
 
-        let resp = st.handle(req).respond_to(HttpRequest::default()).unwrap();
+        let resp = st.handle(req)
+            .respond_to(HttpRequest::default())
+            .unwrap();
         let resp = resp.as_response().expect("HTTP Response");
         assert_eq!(resp.status(), StatusCode::FOUND);
-        assert_eq!(resp.headers().get(header::LOCATION).unwrap(), "/tests/index.html");
+        assert_eq!(
+            resp.headers().get(header::LOCATION).unwrap(),
+            "/tests/index.html"
+        );
 
         let mut req = HttpRequest::default();
         req.match_info_mut().add("tail", "tests/");
 
-        let resp = st.handle(req).respond_to(HttpRequest::default()).unwrap();
+        let resp = st.handle(req)
+            .respond_to(HttpRequest::default())
+            .unwrap();
         let resp = resp.as_response().expect("HTTP Response");
         assert_eq!(resp.status(), StatusCode::FOUND);
-        assert_eq!(resp.headers().get(header::LOCATION).unwrap(), "/tests/index.html");
+        assert_eq!(
+            resp.headers().get(header::LOCATION).unwrap(),
+            "/tests/index.html"
+        );
     }
 
     #[test]
@@ -771,7 +818,9 @@ mod tests {
         let mut req = HttpRequest::default();
         req.match_info_mut().add("tail", "tools/wsload");
 
-        let resp = st.handle(req).respond_to(HttpRequest::default()).unwrap();
+        let resp = st.handle(req)
+            .respond_to(HttpRequest::default())
+            .unwrap();
         let resp = resp.as_response().expect("HTTP Response");
         assert_eq!(resp.status(), StatusCode::FOUND);
         assert_eq!(
@@ -791,13 +840,23 @@ mod tests {
         let request = srv.get().uri(srv.url("/public")).finish().unwrap();
         let response = srv.execute(request.send()).unwrap();
         assert_eq!(response.status(), StatusCode::FOUND);
-        let loc = response.headers().get(header::LOCATION).unwrap().to_str().unwrap();
+        let loc = response
+            .headers()
+            .get(header::LOCATION)
+            .unwrap()
+            .to_str()
+            .unwrap();
         assert_eq!(loc, "/public/Cargo.toml");
 
         let request = srv.get().uri(srv.url("/public/")).finish().unwrap();
         let response = srv.execute(request.send()).unwrap();
         assert_eq!(response.status(), StatusCode::FOUND);
-        let loc = response.headers().get(header::LOCATION).unwrap().to_str().unwrap();
+        let loc = response
+            .headers()
+            .get(header::LOCATION)
+            .unwrap()
+            .to_str()
+            .unwrap();
         assert_eq!(loc, "/public/Cargo.toml");
     }
 
@@ -810,13 +869,23 @@ mod tests {
         let request = srv.get().uri(srv.url("/test")).finish().unwrap();
         let response = srv.execute(request.send()).unwrap();
         assert_eq!(response.status(), StatusCode::FOUND);
-        let loc = response.headers().get(header::LOCATION).unwrap().to_str().unwrap();
+        let loc = response
+            .headers()
+            .get(header::LOCATION)
+            .unwrap()
+            .to_str()
+            .unwrap();
         assert_eq!(loc, "/test/Cargo.toml");
 
         let request = srv.get().uri(srv.url("/test/")).finish().unwrap();
         let response = srv.execute(request.send()).unwrap();
         assert_eq!(response.status(), StatusCode::FOUND);
-        let loc = response.headers().get(header::LOCATION).unwrap().to_str().unwrap();
+        let loc = response
+            .headers()
+            .get(header::LOCATION)
+            .unwrap()
+            .to_str()
+            .unwrap();
         assert_eq!(loc, "/test/Cargo.toml");
     }
 
@@ -826,7 +895,10 @@ mod tests {
             App::new().handler("test", StaticFiles::new(".").index_file("Cargo.toml"))
         });
 
-        let request = srv.get().uri(srv.url("/test/%43argo.toml")).finish().unwrap();
+        let request = srv.get()
+            .uri(srv.url("/test/%43argo.toml"))
+            .finish()
+            .unwrap();
         let response = srv.execute(request.send()).unwrap();
         assert_eq!(response.status(), StatusCode::OK);
     }

src/handler.rs

@@ -296,13 +296,14 @@ where
 
     #[inline]
     fn respond_to(self, req: HttpRequest) -> Result<Reply, Error> {
-        let fut = self.map_err(|e| e.into()).then(move |r| match r.respond_to(req) {
-            Ok(reply) => match reply.into().0 {
-                ReplyItem::Message(resp) => ok(resp),
-                _ => panic!("Nested async replies are not supported"),
-            },
-            Err(e) => err(e),
-        });
+        let fut = self.map_err(|e| e.into())
+            .then(move |r| match r.respond_to(req) {
+                Ok(reply) => match reply.into().0 {
+                    ReplyItem::Message(resp) => ok(resp),
+                    _ => panic!("Nested async replies are not supported"),
+                },
+                Err(e) => err(e),
+            });
         Ok(Reply::async(fut))
     }
 }

src/header/shared/entity.rs

@@ -57,10 +57,7 @@ impl EntityTag {
     /// If the tag contains invalid characters.
     pub fn new(weak: bool, tag: String) -> EntityTag {
         assert!(check_slice_validity(&tag), "Invalid tag: {:?}", tag);
-        EntityTag {
-            weak,
-            tag,
-        }
+        EntityTag { weak, tag }
     }
 
     /// Constructs a new weak EntityTag.
@@ -199,7 +196,11 @@ mod tests {
     fn test_etag_parse_failures() {
         // Expected failures
         assert!("no-dquotes".parse::<EntityTag>().is_err());
-        assert!("w/\"the-first-w-is-case-sensitive\"".parse::<EntityTag>().is_err());
+        assert!(
+            "w/\"the-first-w-is-case-sensitive\""
+                .parse::<EntityTag>()
+                .is_err()
+        );
         assert!("".parse::<EntityTag>().is_err());
         assert!("\"unmatched-dquotes1".parse::<EntityTag>().is_err());
         assert!("unmatched-dquotes2\"".parse::<EntityTag>().is_err());
@@ -208,14 +209,26 @@ mod tests {
 
     #[test]
     fn test_etag_fmt() {
-        assert_eq!(format!("{}", EntityTag::strong("foobar".to_owned())), "\"foobar\"");
-        assert_eq!(format!("{}", EntityTag::strong("".to_owned())), "\"\"");
+        assert_eq!(
+            format!("{}", EntityTag::strong("foobar".to_owned())),
+            "\"foobar\""
+        );
+        assert_eq!(
+            format!("{}", EntityTag::strong("".to_owned())),
+            "\"\""
+        );
         assert_eq!(
             format!("{}", EntityTag::weak("weak-etag".to_owned())),
             "W/\"weak-etag\""
         );
-        assert_eq!(format!("{}", EntityTag::weak("\u{0065}".to_owned())), "W/\"\x65\"");
-        assert_eq!(format!("{}", EntityTag::weak("".to_owned())), "W/\"\"");
+        assert_eq!(
+            format!("{}", EntityTag::weak("\u{0065}".to_owned())),
+            "W/\"\x65\""
+        );
+        assert_eq!(
+            format!("{}", EntityTag::weak("".to_owned())),
+            "W/\"\""
+        );
     }
 
     #[test]

src/header/shared/httpdate.rs

@@ -64,7 +64,11 @@ impl IntoHeaderValue for HttpDate {
     fn try_into(self) -> Result<HeaderValue, Self::Error> {
         let mut wrt = BytesMut::with_capacity(29).writer();
         write!(wrt, "{}", self.0.rfc822()).unwrap();
-        unsafe { Ok(HeaderValue::from_shared_unchecked(wrt.get_mut().take().freeze())) }
+        unsafe {
+            Ok(HeaderValue::from_shared_unchecked(
+                wrt.get_mut().take().freeze(),
+            ))
+        }
     }
 }
 
@@ -100,12 +104,24 @@ mod tests {
 
     #[test]
     fn test_date() {
-        assert_eq!("Sun, 07 Nov 1994 08:48:37 GMT".parse::<HttpDate>().unwrap(), NOV_07);
         assert_eq!(
-            "Sunday, 07-Nov-94 08:48:37 GMT".parse::<HttpDate>().unwrap(),
+            "Sun, 07 Nov 1994 08:48:37 GMT"
+                .parse::<HttpDate>()
+                .unwrap(),
+            NOV_07
+        );
+        assert_eq!(
+            "Sunday, 07-Nov-94 08:48:37 GMT"
+                .parse::<HttpDate>()
+                .unwrap(),
+            NOV_07
+        );
+        assert_eq!(
+            "Sun Nov  7 08:48:37 1994"
+                .parse::<HttpDate>()
+                .unwrap(),
             NOV_07
         );
-        assert_eq!("Sun Nov  7 08:48:37 1994".parse::<HttpDate>().unwrap(), NOV_07);
         assert!("this-is-no-date".parse::<HttpDate>().is_err());
     }
 }

src/header/shared/quality_item.rs

@@ -47,10 +47,7 @@ impl<T> QualityItem<T> {
     /// The item can be of any type.
     /// The quality should be a value in the range [0, 1].
     pub fn new(item: T, quality: Quality) -> QualityItem<T> {
-        QualityItem {
-            item,
-            quality,
-        }
+        QualityItem { item, quality }
     }
 }
 
@@ -66,7 +63,11 @@ impl<T: fmt::Display> fmt::Display for QualityItem<T> {
         match self.quality.0 {
             1000 => Ok(()),
             0 => f.write_str("; q=0"),
-            x => write!(f, "; q=0.{}", format!("{:03}", x).trim_right_matches('0')),
+            x => write!(
+                f,
+                "; q=0.{}",
+                format!("{:03}", x).trim_right_matches('0')
+            ),
         }
     }
 }
@@ -119,7 +120,10 @@ fn from_f32(f: f32) -> Quality {
     // this function is only used internally. A check that `f` is within range
     // should be done before calling this method. Just in case, this
     // debug_assert should catch if we were forgetful
-    debug_assert!(f >= 0f32 && f <= 1f32, "q value must be between 0.0 and 1.0");
+    debug_assert!(
+        f >= 0f32 && f <= 1f32,
+        "q value must be between 0.0 and 1.0"
+    );
     Quality((f * 1000f32) as u16)
 }
 
@@ -152,7 +156,10 @@ mod internal {
 
     impl IntoQuality for f32 {
         fn into_quality(self) -> Quality {
-            assert!(self >= 0f32 && self <= 1f32, "float must be between 0.0 and 1.0");
+            assert!(
+                self >= 0f32 && self <= 1f32,
+                "float must be between 0.0 and 1.0"
+            );
             super::from_f32(self)
         }
     }
@@ -288,6 +295,10 @@ mod tests {
     #[test]
     fn test_fuzzing_bugs() {
         assert!("99999;".parse::<QualityItem<String>>().is_err());
-        assert!("\x0d;;;=\u{d6aa}==".parse::<QualityItem<String>>().is_err())
+        assert!(
+            "\x0d;;;=\u{d6aa}=="
+                .parse::<QualityItem<String>>()
+                .is_err()
+        )
     }
 }

src/helpers.rs

@@ -190,8 +190,16 @@ mod tests {
         // trailing slashes
         let params = vec![
             ("/resource1", "", StatusCode::OK),
-            ("/resource1/", "/resource1", StatusCode::MOVED_PERMANENTLY),
-            ("/resource2", "/resource2/", StatusCode::MOVED_PERMANENTLY),
+            (
+                "/resource1/",
+                "/resource1",
+                StatusCode::MOVED_PERMANENTLY,
+            ),
+            (
+                "/resource2",
+                "/resource2/",
+                StatusCode::MOVED_PERMANENTLY,
+            ),
             ("/resource2/", "", StatusCode::OK),
             ("/resource1?p1=1&p2=2", "", StatusCode::OK),
             (
@@ -214,7 +222,11 @@ mod tests {
             if !target.is_empty() {
                 assert_eq!(
                     target,
-                    r.headers().get(header::LOCATION).unwrap().to_str().unwrap()
+                    r.headers()
+                        .get(header::LOCATION)
+                        .unwrap()
+                        .to_str()
+                        .unwrap()
                 );
             }
         }
@@ -226,7 +238,11 @@ mod tests {
             .resource("/resource1", |r| r.method(Method::GET).f(index))
             .resource("/resource2/", |r| r.method(Method::GET).f(index))
             .default_resource(|r| {
-                r.h(NormalizePath::new(false, true, StatusCode::MOVED_PERMANENTLY))
+                r.h(NormalizePath::new(
+                    false,
+                    true,
+                    StatusCode::MOVED_PERMANENTLY,
+                ))
             })
             .finish();
 
@@ -260,14 +276,46 @@ mod tests {
         // trailing slashes
         let params = vec![
             ("/resource1/a/b", "", StatusCode::OK),
-            ("/resource1/", "/resource1", StatusCode::MOVED_PERMANENTLY),
-            ("/resource1//", "/resource1", StatusCode::MOVED_PERMANENTLY),
-            ("//resource1//a//b", "/resource1/a/b", StatusCode::MOVED_PERMANENTLY),
-            ("//resource1//a//b/", "/resource1/a/b", StatusCode::MOVED_PERMANENTLY),
-            ("//resource1//a//b//", "/resource1/a/b", StatusCode::MOVED_PERMANENTLY),
-            ("///resource1//a//b", "/resource1/a/b", StatusCode::MOVED_PERMANENTLY),
-            ("/////resource1/a///b", "/resource1/a/b", StatusCode::MOVED_PERMANENTLY),
-            ("/////resource1/a//b/", "/resource1/a/b", StatusCode::MOVED_PERMANENTLY),
+            (
+                "/resource1/",
+                "/resource1",
+                StatusCode::MOVED_PERMANENTLY,
+            ),
+            (
+                "/resource1//",
+                "/resource1",
+                StatusCode::MOVED_PERMANENTLY,
+            ),
+            (
+                "//resource1//a//b",
+                "/resource1/a/b",
+                StatusCode::MOVED_PERMANENTLY,
+            ),
+            (
+                "//resource1//a//b/",
+                "/resource1/a/b",
+                StatusCode::MOVED_PERMANENTLY,
+            ),
+            (
+                "//resource1//a//b//",
+                "/resource1/a/b",
+                StatusCode::MOVED_PERMANENTLY,
+            ),
+            (
+                "///resource1//a//b",
+                "/resource1/a/b",
+                StatusCode::MOVED_PERMANENTLY,
+            ),
+            (
+                "/////resource1/a///b",
+                "/resource1/a/b",
+                StatusCode::MOVED_PERMANENTLY,
+            ),
+            (
+                "/////resource1/a//b/",
+                "/resource1/a/b",
+                StatusCode::MOVED_PERMANENTLY,
+            ),
             ("/resource1/a/b?p=1", "", StatusCode::OK),
             (
                 "//resource1//a//b?p=1",
@@ -308,7 +356,11 @@ mod tests {
             if !target.is_empty() {
                 assert_eq!(
                     target,
-                    r.headers().get(header::LOCATION).unwrap().to_str().unwrap()
+                    r.headers()
+                        .get(header::LOCATION)
+                        .unwrap()
+                        .to_str()
+                        .unwrap()
                 );
             }
         }
@@ -327,24 +379,88 @@ mod tests {
         // trailing slashes
         let params = vec![
             ("/resource1/a/b", "", StatusCode::OK),
-            ("/resource1/a/b/", "/resource1/a/b", StatusCode::MOVED_PERMANENTLY),
-            ("//resource2//a//b", "/resource2/a/b/", StatusCode::MOVED_PERMANENTLY),
-            ("//resource2//a//b/", "/resource2/a/b/", StatusCode::MOVED_PERMANENTLY),
-            ("//resource2//a//b//", "/resource2/a/b/", StatusCode::MOVED_PERMANENTLY),
-            ("///resource1//a//b", "/resource1/a/b", StatusCode::MOVED_PERMANENTLY),
-            ("///resource1//a//b/", "/resource1/a/b", StatusCode::MOVED_PERMANENTLY),
-            ("/////resource1/a///b", "/resource1/a/b", StatusCode::MOVED_PERMANENTLY),
-            ("/////resource1/a///b/", "/resource1/a/b", StatusCode::MOVED_PERMANENTLY),
-            ("/resource2/a/b", "/resource2/a/b/", StatusCode::MOVED_PERMANENTLY),
+            (
+                "/resource1/a/b/",
+                "/resource1/a/b",
+                StatusCode::MOVED_PERMANENTLY,
+            ),
+            (
+                "//resource2//a//b",
+                "/resource2/a/b/",
+                StatusCode::MOVED_PERMANENTLY,
+            ),
+            (
+                "//resource2//a//b/",
+                "/resource2/a/b/",
+                StatusCode::MOVED_PERMANENTLY,
+            ),
+            (
+                "//resource2//a//b//",
+                "/resource2/a/b/",
+                StatusCode::MOVED_PERMANENTLY,
+            ),
+            (
+                "///resource1//a//b",
+                "/resource1/a/b",
+                StatusCode::MOVED_PERMANENTLY,
+            ),
+            (
+                "///resource1//a//b/",
+                "/resource1/a/b",
+                StatusCode::MOVED_PERMANENTLY,
+            ),
+            (
+                "/////resource1/a///b",
+                "/resource1/a/b",
+                StatusCode::MOVED_PERMANENTLY,
+            ),
+            (
+                "/////resource1/a///b/",
+                "/resource1/a/b",
+                StatusCode::MOVED_PERMANENTLY,
+            ),
+            (
+                "/resource2/a/b",
+                "/resource2/a/b/",
+                StatusCode::MOVED_PERMANENTLY,
+            ),
             ("/resource2/a/b/", "", StatusCode::OK),
-            ("//resource2//a//b", "/resource2/a/b/", StatusCode::MOVED_PERMANENTLY),
-            ("//resource2//a//b/", "/resource2/a/b/", StatusCode::MOVED_PERMANENTLY),
-            ("///resource2//a//b", "/resource2/a/b/", StatusCode::MOVED_PERMANENTLY),
-            ("///resource2//a//b/", "/resource2/a/b/", StatusCode::MOVED_PERMANENTLY),
-            ("/////resource2/a///b", "/resource2/a/b/", StatusCode::MOVED_PERMANENTLY),
-            ("/////resource2/a///b/", "/resource2/a/b/", StatusCode::MOVED_PERMANENTLY),
+            (
+                "//resource2//a//b",
+                "/resource2/a/b/",
+                StatusCode::MOVED_PERMANENTLY,
+            ),
+            (
+                "//resource2//a//b/",
+                "/resource2/a/b/",
+                StatusCode::MOVED_PERMANENTLY,
+            ),
+            (
+                "///resource2//a//b",
+                "/resource2/a/b/",
+                StatusCode::MOVED_PERMANENTLY,
+            ),
+            (
+                "///resource2//a//b/",
+                "/resource2/a/b/",
+                StatusCode::MOVED_PERMANENTLY,
+            ),
+            (
+                "/////resource2/a///b",
+                "/resource2/a/b/",
+                StatusCode::MOVED_PERMANENTLY,
+            ),
+            (
+                "/////resource2/a///b/",
+                "/resource2/a/b/",
+                StatusCode::MOVED_PERMANENTLY,
+            ),
             ("/resource1/a/b?p=1", "", StatusCode::OK),
-            ("/resource1/a/b/?p=1", "/resource1/a/b?p=1", StatusCode::MOVED_PERMANENTLY),
+            (
+                "/resource1/a/b/?p=1",
+                "/resource1/a/b?p=1",
+                StatusCode::MOVED_PERMANENTLY,
+            ),
             (
                 "//resource2//a//b?p=1",
                 "/resource2/a/b/?p=1",
@@ -380,7 +496,11 @@ mod tests {
                 "/resource1/a/b?p=1",
                 StatusCode::MOVED_PERMANENTLY,
             ),
-            ("/resource2/a/b?p=1", "/resource2/a/b/?p=1", StatusCode::MOVED_PERMANENTLY),
+            (
+                "/resource2/a/b?p=1",
+                "/resource2/a/b/?p=1",
+                StatusCode::MOVED_PERMANENTLY,
+            ),
             (
                 "//resource2//a//b?p=1",
                 "/resource2/a/b/?p=1",
@@ -420,7 +540,11 @@ mod tests {
             if !target.is_empty() {
                 assert_eq!(
                     target,
-                    r.headers().get(header::LOCATION).unwrap().to_str().unwrap()
+                    r.headers()
+                        .get(header::LOCATION)
+                        .unwrap()
+                        .to_str()
+                        .unwrap()
                 );
             }
         }

src/httpcodes.rs

@@ -245,7 +245,10 @@ impl HttpResponse {
     STATIC_RESP!(Ok, StatusCode::OK);
     STATIC_RESP!(Created, StatusCode::CREATED);
     STATIC_RESP!(Accepted, StatusCode::ACCEPTED);
-    STATIC_RESP!(NonAuthoritativeInformation, StatusCode::NON_AUTHORITATIVE_INFORMATION);
+    STATIC_RESP!(
+        NonAuthoritativeInformation,
+        StatusCode::NON_AUTHORITATIVE_INFORMATION
+    );
 
     STATIC_RESP!(NoContent, StatusCode::NO_CONTENT);
     STATIC_RESP!(ResetContent, StatusCode::RESET_CONTENT);
@@ -270,7 +273,10 @@ impl HttpResponse {
     STATIC_RESP!(Forbidden, StatusCode::FORBIDDEN);
     STATIC_RESP!(MethodNotAllowed, StatusCode::METHOD_NOT_ALLOWED);
     STATIC_RESP!(NotAcceptable, StatusCode::NOT_ACCEPTABLE);
-    STATIC_RESP!(ProxyAuthenticationRequired, StatusCode::PROXY_AUTHENTICATION_REQUIRED);
+    STATIC_RESP!(
+        ProxyAuthenticationRequired,
+        StatusCode::PROXY_AUTHENTICATION_REQUIRED
+    );
     STATIC_RESP!(RequestTimeout, StatusCode::REQUEST_TIMEOUT);
     STATIC_RESP!(Conflict, StatusCode::CONFLICT);
     STATIC_RESP!(Gone, StatusCode::GONE);
@@ -278,7 +284,10 @@ impl HttpResponse {
     STATIC_RESP!(PreconditionFailed, StatusCode::PRECONDITION_FAILED);
     STATIC_RESP!(PayloadTooLarge, StatusCode::PAYLOAD_TOO_LARGE);
     STATIC_RESP!(UriTooLong, StatusCode::URI_TOO_LONG);
-    STATIC_RESP!(UnsupportedMediaType, StatusCode::UNSUPPORTED_MEDIA_TYPE);
+    STATIC_RESP!(
+        UnsupportedMediaType,
+        StatusCode::UNSUPPORTED_MEDIA_TYPE
+    );
     STATIC_RESP!(RangeNotSatisfiable, StatusCode::RANGE_NOT_SATISFIABLE);
     STATIC_RESP!(ExpectationFailed, StatusCode::EXPECTATION_FAILED);
 
@@ -287,8 +296,14 @@ impl HttpResponse {
     STATIC_RESP!(BadGateway, StatusCode::BAD_GATEWAY);
     STATIC_RESP!(ServiceUnavailable, StatusCode::SERVICE_UNAVAILABLE);
     STATIC_RESP!(GatewayTimeout, StatusCode::GATEWAY_TIMEOUT);
-    STATIC_RESP!(VersionNotSupported, StatusCode::HTTP_VERSION_NOT_SUPPORTED);
-    STATIC_RESP!(VariantAlsoNegotiates, StatusCode::VARIANT_ALSO_NEGOTIATES);
+    STATIC_RESP!(
+        VersionNotSupported,
+        StatusCode::HTTP_VERSION_NOT_SUPPORTED
+    );
+    STATIC_RESP!(
+        VariantAlsoNegotiates,
+        StatusCode::VARIANT_ALSO_NEGOTIATES
+    );
     STATIC_RESP!(InsufficientStorage, StatusCode::INSUFFICIENT_STORAGE);
     STATIC_RESP!(LoopDetected, StatusCode::LOOP_DETECTED);
 }

src/httpmessage.rs

@@ -96,8 +96,10 @@ pub trait HttpMessage {
     /// `size` is full size of response (file).
     fn range(&self, size: u64) -> Result<Vec<HttpRange>, HttpRangeError> {
         if let Some(range) = self.headers().get(header::RANGE) {
-            HttpRange::parse(unsafe { str::from_utf8_unchecked(range.as_bytes()) }, size)
-                .map_err(|e| e.into())
+            HttpRange::parse(
+                unsafe { str::from_utf8_unchecked(range.as_bytes()) },
+                size,
+            ).map_err(|e| e.into())
         } else {
             Ok(Vec::new())
         }
@@ -323,7 +325,10 @@ where
             ));
         }
 
-        self.fut.as_mut().expect("UrlEncoded could not be used second time").poll()
+        self.fut
+            .as_mut()
+            .expect("UrlEncoded could not be used second time")
+            .poll()
     }
 }
 
@@ -380,7 +385,8 @@ where
             if req.content_type().to_lowercase() != "application/x-www-form-urlencoded" {
                 return Err(UrlencodedError::ContentType);
             }
-            let encoding = req.encoding().map_err(|_| UrlencodedError::ContentType)?;
+            let encoding = req.encoding()
+                .map_err(|_| UrlencodedError::ContentType)?;
 
             // future
             let limit = self.limit;
@@ -409,7 +415,10 @@ where
             self.fut = Some(Box::new(fut));
         }
 
-        self.fut.as_mut().expect("UrlEncoded could not be used second time").poll()
+        self.fut
+            .as_mut()
+            .expect("UrlEncoded could not be used second time")
+            .poll()
     }
 }
 
@@ -479,13 +488,19 @@ mod tests {
     #[test]
     fn test_encoding_error() {
         let req = TestRequest::with_header("content-type", "applicatjson").finish();
-        assert_eq!(Some(ContentTypeError::ParseError), req.encoding().err());
+        assert_eq!(
+            Some(ContentTypeError::ParseError),
+            req.encoding().err()
+        );
 
         let req = TestRequest::with_header(
             "content-type",
             "application/json; charset=kkkttktk",
         ).finish();
-        assert_eq!(Some(ContentTypeError::UnknownEncoding), req.encoding().err());
+        assert_eq!(
+            Some(ContentTypeError::UnknownEncoding),
+            req.encoding().err()
+        );
     }
 
     #[test]
@@ -606,7 +621,8 @@ mod tests {
             "application/x-www-form-urlencoded",
         ).header(header::CONTENT_LENGTH, "11")
             .finish();
-        req.payload_mut().unread_data(Bytes::from_static(b"hello=world"));
+        req.payload_mut()
+            .unread_data(Bytes::from_static(b"hello=world"));
 
         let result = req.urlencoded::<Info>().poll().ok().unwrap();
         assert_eq!(
@@ -621,7 +637,8 @@ mod tests {
             "application/x-www-form-urlencoded; charset=utf-8",
         ).header(header::CONTENT_LENGTH, "11")
             .finish();
-        req.payload_mut().unread_data(Bytes::from_static(b"hello=world"));
+        req.payload_mut()
+            .unread_data(Bytes::from_static(b"hello=world"));
 
         let result = req.urlencoded().poll().ok().unwrap();
         assert_eq!(
@@ -647,14 +664,16 @@ mod tests {
         }
 
         let mut req = HttpRequest::default();
-        req.payload_mut().unread_data(Bytes::from_static(b"test"));
+        req.payload_mut()
+            .unread_data(Bytes::from_static(b"test"));
         match req.body().poll().ok().unwrap() {
             Async::Ready(bytes) => assert_eq!(bytes, Bytes::from_static(b"test")),
             _ => unreachable!("error"),
         }
 
         let mut req = HttpRequest::default();
-        req.payload_mut().unread_data(Bytes::from_static(b"11111111111111"));
+        req.payload_mut()
+            .unread_data(Bytes::from_static(b"11111111111111"));
         match req.body().limit(5).poll().err().unwrap() {
             PayloadError::Overflow => (),
             _ => unreachable!("error"),

src/httprequest.rs

@@ -327,7 +327,12 @@ impl<S> HttpRequest<S> {
             let path = self.router().unwrap().resource_path(name, elements)?;
             if path.starts_with('/') {
                 let conn = self.connection_info();
-                Ok(Url::parse(&format!("{}://{}{}", conn.scheme(), conn.host(), path))?)
+                Ok(Url::parse(&format!(
+                    "{}://{}{}",
+                    conn.scheme(),
+                    conn.host(),
+                    path
+                ))?)
             } else {
                 Ok(Url::parse(&path)?)
             }
@@ -677,8 +682,10 @@ mod tests {
 
         let mut resource = ResourceHandler::<()>::default();
         resource.name("index");
-        let routes =
-            vec![(Resource::new("index", "/user/{name}.{ext}"), Some(resource))];
+        let routes = vec![(
+            Resource::new("index", "/user/{name}.{ext}"),
+            Some(resource),
+        )];
         let (router, _) = Router::new("/", ServerSettings::default(), routes);
         assert!(router.has_route("/user/test.html"));
         assert!(!router.has_route("/test/unknown"));
@@ -707,8 +714,10 @@ mod tests {
 
         let mut resource = ResourceHandler::<()>::default();
         resource.name("index");
-        let routes =
-            vec![(Resource::new("index", "/user/{name}.{ext}"), Some(resource))];
+        let routes = vec![(
+            Resource::new("index", "/user/{name}.{ext}"),
+            Some(resource),
+        )];
         let (router, _) = Router::new("/prefix/", ServerSettings::default(), routes);
         assert!(router.has_route("/user/test.html"));
         assert!(!router.has_route("/prefix/user/test.html"));
@@ -736,6 +745,9 @@ mod tests {
 
         let req = req.with_state(Rc::new(()), router);
         let url = req.url_for("youtube", &["oHg5SJYRHA0"]);
-        assert_eq!(url.ok().unwrap().as_str(), "https://youtube.com/watch/oHg5SJYRHA0");
+        assert_eq!(
+            url.ok().unwrap().as_str(),
+            "https://youtube.com/watch/oHg5SJYRHA0"
+        );
     }
 }

src/httpresponse.rs

@@ -150,7 +150,10 @@ impl HttpResponse {
         if let Some(reason) = self.get_ref().reason {
             reason
         } else {
-            self.get_ref().status.canonical_reason().unwrap_or("<unknown status code>")
+            self.get_ref()
+                .status
+                .canonical_reason()
+                .unwrap_or("<unknown status code>")
         }
     }
 
@@ -463,7 +466,10 @@ impl HttpResponseBuilder {
             jar.add(cookie.into_owned());
             self.cookies = Some(jar)
         } else {
-            self.cookies.as_mut().unwrap().add(cookie.into_owned());
+            self.cookies
+                .as_mut()
+                .unwrap()
+                .add(cookie.into_owned());
         }
         self
     }
@@ -528,7 +534,9 @@ impl HttpResponseBuilder {
         if let Some(e) = self.err.take() {
             return Error::from(e).into();
         }
-        let mut response = self.response.take().expect("cannot reuse response builder");
+        let mut response = self.response
+            .take()
+            .expect("cannot reuse response builder");
         if let Some(ref jar) = self.cookies {
             for cookie in jar.delta() {
                 match HeaderValue::from_str(&cookie.to_string()) {
@@ -550,7 +558,9 @@ impl HttpResponseBuilder {
         S: Stream<Item = Bytes, Error = E> + 'static,
         E: Into<Error>,
     {
-        self.body(Body::Streaming(Box::new(stream.map_err(|e| e.into()))))
+        self.body(Body::Streaming(Box::new(
+            stream.map_err(|e| e.into()),
+        )))
     }
 
     /// Set a json body and generate `HttpResponse`
@@ -633,7 +643,9 @@ impl Responder for HttpResponseBuilder {
 
 impl From<&'static str> for HttpResponse {
     fn from(val: &'static str) -> Self {
-        HttpResponse::Ok().content_type("text/plain; charset=utf-8").body(val)
+        HttpResponse::Ok()
+            .content_type("text/plain; charset=utf-8")
+            .body(val)
     }
 }
 
@@ -650,7 +662,9 @@ impl Responder for &'static str {
 
 impl From<&'static [u8]> for HttpResponse {
     fn from(val: &'static [u8]) -> Self {
-        HttpResponse::Ok().content_type("application/octet-stream").body(val)
+        HttpResponse::Ok()
+            .content_type("application/octet-stream")
+            .body(val)
     }
 }
 
@@ -667,7 +681,9 @@ impl Responder for &'static [u8] {
 
 impl From<String> for HttpResponse {
     fn from(val: String) -> Self {
-        HttpResponse::Ok().content_type("text/plain; charset=utf-8").body(val)
+        HttpResponse::Ok()
+            .content_type("text/plain; charset=utf-8")
+            .body(val)
     }
 }
 
@@ -703,7 +719,9 @@ impl<'a> Responder for &'a String {
 
 impl From<Bytes> for HttpResponse {
     fn from(val: Bytes) -> Self {
-        HttpResponse::Ok().content_type("application/octet-stream").body(val)
+        HttpResponse::Ok()
+            .content_type("application/octet-stream")
+            .body(val)
     }
 }
 
@@ -720,7 +738,9 @@ impl Responder for Bytes {
 
 impl From<BytesMut> for HttpResponse {
     fn from(val: BytesMut) -> Self {
-        HttpResponse::Ok().content_type("application/octet-stream").body(val)
+        HttpResponse::Ok()
+            .content_type("application/octet-stream")
+            .body(val)
     }
 }
 
@@ -752,7 +772,9 @@ impl<'a> From<&'a ClientResponse> for HttpResponseBuilder {
 impl<'a, S> From<&'a HttpRequest<S>> for HttpResponseBuilder {
     fn from(req: &'a HttpRequest<S>) -> HttpResponseBuilder {
         if let Some(router) = req.router() {
-            router.server_settings().get_response_builder(StatusCode::OK)
+            router
+                .server_settings()
+                .get_response_builder(StatusCode::OK)
         } else {
             HttpResponse::Ok()
         }
@@ -800,7 +822,9 @@ thread_local!(static POOL: Rc<UnsafeCell<HttpResponsePool>> = HttpResponsePool::
 
 impl HttpResponsePool {
     pub fn pool() -> Rc<UnsafeCell<HttpResponsePool>> {
-        Rc::new(UnsafeCell::new(HttpResponsePool(VecDeque::with_capacity(128))))
+        Rc::new(UnsafeCell::new(HttpResponsePool(
+            VecDeque::with_capacity(128),
+        )))
     }
 
     #[inline]
@@ -951,7 +975,9 @@ mod tests {
 
     #[test]
     fn test_force_close() {
-        let resp = HttpResponse::build(StatusCode::OK).force_close().finish();
+        let resp = HttpResponse::build(StatusCode::OK)
+            .force_close()
+            .finish();
         assert!(!resp.keep_alive().unwrap())
     }
 
@@ -960,7 +986,10 @@ mod tests {
         let resp = HttpResponse::build(StatusCode::OK)
             .content_type("text/plain")
             .body(Body::Empty);
-        assert_eq!(resp.headers().get(CONTENT_TYPE).unwrap(), "text/plain")
+        assert_eq!(
+            resp.headers().get(CONTENT_TYPE).unwrap(),
+            "text/plain"
+        )
     }
 
     #[test]
@@ -1044,7 +1073,10 @@ mod tests {
             HeaderValue::from_static("application/octet-stream")
         );
         assert_eq!(resp.status(), StatusCode::OK);
-        assert_eq!(resp.body().binary().unwrap(), &Binary::from(b"test".as_ref()));
+        assert_eq!(
+            resp.body().binary().unwrap(),
+            &Binary::from(b"test".as_ref())
+        );
 
         let resp: HttpResponse = b"test".as_ref().respond_to(req.clone()).ok().unwrap();
         assert_eq!(resp.status(), StatusCode::OK);
@@ -1053,7 +1085,10 @@ mod tests {
             HeaderValue::from_static("application/octet-stream")
         );
         assert_eq!(resp.status(), StatusCode::OK);
-        assert_eq!(resp.body().binary().unwrap(), &Binary::from(b"test".as_ref()));
+        assert_eq!(
+            resp.body().binary().unwrap(),
+            &Binary::from(b"test".as_ref())
+        );
 
         let resp: HttpResponse = "test".to_owned().into();
         assert_eq!(resp.status(), StatusCode::OK);
@@ -1062,16 +1097,26 @@ mod tests {
             HeaderValue::from_static("text/plain; charset=utf-8")
         );
         assert_eq!(resp.status(), StatusCode::OK);
-        assert_eq!(resp.body().binary().unwrap(), &Binary::from("test".to_owned()));
+        assert_eq!(
+            resp.body().binary().unwrap(),
+            &Binary::from("test".to_owned())
+        );
 
-        let resp: HttpResponse = "test".to_owned().respond_to(req.clone()).ok().unwrap();
+        let resp: HttpResponse = "test"
+            .to_owned()
+            .respond_to(req.clone())
+            .ok()
+            .unwrap();
         assert_eq!(resp.status(), StatusCode::OK);
         assert_eq!(
             resp.headers().get(CONTENT_TYPE).unwrap(),
             HeaderValue::from_static("text/plain; charset=utf-8")
         );
         assert_eq!(resp.status(), StatusCode::OK);
-        assert_eq!(resp.body().binary().unwrap(), &Binary::from("test".to_owned()));
+        assert_eq!(
+            resp.body().binary().unwrap(),
+            &Binary::from("test".to_owned())
+        );
 
         let resp: HttpResponse = (&"test".to_owned()).into();
         assert_eq!(resp.status(), StatusCode::OK);
@@ -1080,17 +1125,25 @@ mod tests {
             HeaderValue::from_static("text/plain; charset=utf-8")
         );
         assert_eq!(resp.status(), StatusCode::OK);
-        assert_eq!(resp.body().binary().unwrap(), &Binary::from(&"test".to_owned()));
+        assert_eq!(
+            resp.body().binary().unwrap(),
+            &Binary::from(&"test".to_owned())
+        );
 
-        let resp: HttpResponse =
-            (&"test".to_owned()).respond_to(req.clone()).ok().unwrap();
+        let resp: HttpResponse = (&"test".to_owned())
+            .respond_to(req.clone())
+            .ok()
+            .unwrap();
         assert_eq!(resp.status(), StatusCode::OK);
         assert_eq!(
             resp.headers().get(CONTENT_TYPE).unwrap(),
             HeaderValue::from_static("text/plain; charset=utf-8")
         );
         assert_eq!(resp.status(), StatusCode::OK);
-        assert_eq!(resp.body().binary().unwrap(), &Binary::from(&"test".to_owned()));
+        assert_eq!(
+            resp.body().binary().unwrap(),
+            &Binary::from(&"test".to_owned())
+        );
 
         let b = Bytes::from_static(b"test");
         let resp: HttpResponse = b.into();
@@ -1126,7 +1179,10 @@ mod tests {
             HeaderValue::from_static("application/octet-stream")
         );
         assert_eq!(resp.status(), StatusCode::OK);
-        assert_eq!(resp.body().binary().unwrap(), &Binary::from(BytesMut::from("test")));
+        assert_eq!(
+            resp.body().binary().unwrap(),
+            &Binary::from(BytesMut::from("test"))
+        );
 
         let b = BytesMut::from("test");
         let resp: HttpResponse = b.respond_to(req.clone()).ok().unwrap();
@@ -1136,7 +1192,10 @@ mod tests {
             HeaderValue::from_static("application/octet-stream")
         );
         assert_eq!(resp.status(), StatusCode::OK);
-        assert_eq!(resp.body().binary().unwrap(), &Binary::from(BytesMut::from("test")));
+        assert_eq!(
+            resp.body().binary().unwrap(),
+            &Binary::from(BytesMut::from("test"))
+        );
     }
 
     #[test]

src/info.rs

@@ -53,8 +53,8 @@ impl<'a> ConnectionInfo<'a> {
 
         // scheme
         if scheme.is_none() {
-            if let Some(h) =
-                req.headers().get(HeaderName::from_str(X_FORWARDED_PROTO).unwrap())
+            if let Some(h) = req.headers()
+                .get(HeaderName::from_str(X_FORWARDED_PROTO).unwrap())
             {
                 if let Ok(h) = h.to_str() {
                     scheme = h.split(',').next().map(|v| v.trim());
@@ -74,8 +74,8 @@ impl<'a> ConnectionInfo<'a> {
 
         // host
         if host.is_none() {
-            if let Some(h) =
-                req.headers().get(HeaderName::from_str(X_FORWARDED_HOST).unwrap())
+            if let Some(h) = req.headers()
+                .get(HeaderName::from_str(X_FORWARDED_HOST).unwrap())
             {
                 if let Ok(h) = h.to_str() {
                     host = h.split(',').next().map(|v| v.trim());
@@ -98,8 +98,8 @@ impl<'a> ConnectionInfo<'a> {
 
         // remote addr
         if remote.is_none() {
-            if let Some(h) =
-                req.headers().get(HeaderName::from_str(X_FORWARDED_FOR).unwrap())
+            if let Some(h) = req.headers()
+                .get(HeaderName::from_str(X_FORWARDED_FOR).unwrap())
             {
                 if let Ok(h) = h.to_str() {
                     remote = h.split(',').next().map(|v| v.trim());
@@ -189,8 +189,10 @@ mod tests {
         assert_eq!(info.remote(), Some("192.0.2.60"));
 
         let mut req = HttpRequest::default();
-        req.headers_mut()
-            .insert(header::HOST, HeaderValue::from_static("rust-lang.org"));
+        req.headers_mut().insert(
+            header::HOST,
+            HeaderValue::from_static("rust-lang.org"),
+        );
 
         let info = ConnectionInfo::new(&req);
         assert_eq!(info.scheme(), "http");

src/json.rs

@@ -308,7 +308,10 @@ where
             self.fut = Some(Box::new(fut));
         }
 
-        self.fut.as_mut().expect("JsonBody could not be used second time").poll()
+        self.fut
+            .as_mut()
+            .expect("JsonBody could not be used second time")
+            .poll()
     }
 }
 
@@ -359,7 +362,10 @@ mod tests {
     fn test_json_body() {
         let req = HttpRequest::default();
         let mut json = req.json::<MyObject>();
-        assert_eq!(json.poll().err().unwrap(), JsonPayloadError::ContentType);
+        assert_eq!(
+            json.poll().err().unwrap(),
+            JsonPayloadError::ContentType
+        );
 
         let mut req = HttpRequest::default();
         req.headers_mut().insert(
@@ -367,15 +373,20 @@ mod tests {
             header::HeaderValue::from_static("application/text"),
         );
         let mut json = req.json::<MyObject>();
-        assert_eq!(json.poll().err().unwrap(), JsonPayloadError::ContentType);
+        assert_eq!(
+            json.poll().err().unwrap(),
+            JsonPayloadError::ContentType
+        );
 
         let mut req = HttpRequest::default();
         req.headers_mut().insert(
             header::CONTENT_TYPE,
             header::HeaderValue::from_static("application/json"),
         );
-        req.headers_mut()
-            .insert(header::CONTENT_LENGTH, header::HeaderValue::from_static("10000"));
+        req.headers_mut().insert(
+            header::CONTENT_LENGTH,
+            header::HeaderValue::from_static("10000"),
+        );
         let mut json = req.json::<MyObject>().limit(100);
         assert_eq!(json.poll().err().unwrap(), JsonPayloadError::Overflow);
 
@@ -384,9 +395,12 @@ mod tests {
             header::CONTENT_TYPE,
             header::HeaderValue::from_static("application/json"),
         );
-        req.headers_mut()
-            .insert(header::CONTENT_LENGTH, header::HeaderValue::from_static("16"));
-        req.payload_mut().unread_data(Bytes::from_static(b"{\"name\": \"test\"}"));
+        req.headers_mut().insert(
+            header::CONTENT_LENGTH,
+            header::HeaderValue::from_static("16"),
+        );
+        req.payload_mut()
+            .unread_data(Bytes::from_static(b"{\"name\": \"test\"}"));
         let mut json = req.json::<MyObject>();
         assert_eq!(
             json.poll().ok().unwrap(),
@@ -403,7 +417,12 @@ mod tests {
         let mut handler = With::new(|data: Json<MyObject>| data, cfg);
 
         let req = HttpRequest::default();
-        let err = handler.handle(req).as_response().unwrap().error().is_some();
+        let err = handler
+            .handle(req)
+            .as_response()
+            .unwrap()
+            .error()
+            .is_some();
         assert!(err);
 
         let mut req = HttpRequest::default();
@@ -411,10 +430,18 @@ mod tests {
             header::CONTENT_TYPE,
             header::HeaderValue::from_static("application/json"),
         );
-        req.headers_mut()
-            .insert(header::CONTENT_LENGTH, header::HeaderValue::from_static("16"));
-        req.payload_mut().unread_data(Bytes::from_static(b"{\"name\": \"test\"}"));
-        let ok = handler.handle(req).as_response().unwrap().error().is_none();
+        req.headers_mut().insert(
+            header::CONTENT_LENGTH,
+            header::HeaderValue::from_static("16"),
+        );
+        req.payload_mut()
+            .unread_data(Bytes::from_static(b"{\"name\": \"test\"}"));
+        let ok = handler
+            .handle(req)
+            .as_response()
+            .unwrap()
+            .error()
+            .is_none();
         assert!(ok)
     }
 }

src/middleware/cors.rs

@@ -275,7 +275,9 @@ impl Cors {
     /// `ResourceHandler::middleware()` method, but in that case *Cors*
     /// middleware wont be able to handle *OPTIONS* requests.
     pub fn register<S: 'static>(self, resource: &mut ResourceHandler<S>) {
-        resource.method(Method::OPTIONS).h(|_| HttpResponse::Ok());
+        resource
+            .method(Method::OPTIONS)
+            .h(|_| HttpResponse::Ok());
         resource.middleware(self);
     }
 
@@ -302,7 +304,9 @@ impl Cors {
     fn validate_allowed_method<S>(
         &self, req: &mut HttpRequest<S>,
     ) -> Result<(), CorsError> {
-        if let Some(hdr) = req.headers().get(header::ACCESS_CONTROL_REQUEST_METHOD) {
+        if let Some(hdr) = req.headers()
+            .get(header::ACCESS_CONTROL_REQUEST_METHOD)
+        {
             if let Ok(meth) = hdr.to_str() {
                 if let Ok(method) = Method::try_from(meth) {
                     return self.inner
@@ -324,8 +328,8 @@ impl Cors {
         match self.inner.headers {
             AllOrSome::All => Ok(()),
             AllOrSome::Some(ref allowed_headers) => {
-                if let Some(hdr) =
-                    req.headers().get(header::ACCESS_CONTROL_REQUEST_HEADERS)
+                if let Some(hdr) = req.headers()
+                    .get(header::ACCESS_CONTROL_REQUEST_HEADERS)
                 {
                     if let Ok(headers) = hdr.to_str() {
                         let mut hdrs = HashSet::new();
@@ -367,8 +371,8 @@ impl<S> Middleware<S> for Cors {
                             .as_str()[1..],
                     ).unwrap(),
                 )
-            } else if let Some(hdr) =
-                req.headers().get(header::ACCESS_CONTROL_REQUEST_HEADERS)
+            } else if let Some(hdr) = req.headers()
+                .get(header::ACCESS_CONTROL_REQUEST_HEADERS)
             {
                 Some(hdr.clone())
             } else {
@@ -819,13 +823,17 @@ impl<S: 'static> CorsBuilder<S> {
         }
 
         if let AllOrSome::Some(ref origins) = cors.origins {
-            let s = origins.iter().fold(String::new(), |s, v| s + &v.to_string());
+            let s = origins
+                .iter()
+                .fold(String::new(), |s, v| s + &v.to_string());
             cors.origins_str = Some(HeaderValue::try_from(s.as_str()).unwrap());
         }
 
         if !self.expose_hdrs.is_empty() {
             cors.expose_hdrs = Some(
-                self.expose_hdrs.iter().fold(String::new(), |s, v| s + v.as_str())[1..]
+                self.expose_hdrs
+                    .iter()
+                    .fold(String::new(), |s, v| s + v.as_str())[1..]
                     .to_owned(),
             );
         }
@@ -903,19 +911,27 @@ mod tests {
     #[test]
     #[should_panic(expected = "Credentials are allowed, but the Origin is set to")]
     fn cors_validates_illegal_allow_credentials() {
-        Cors::build().supports_credentials().send_wildcard().finish();
+        Cors::build()
+            .supports_credentials()
+            .send_wildcard()
+            .finish();
     }
 
     #[test]
     #[should_panic(expected = "No resources are registered")]
     fn no_resource() {
-        Cors::build().supports_credentials().send_wildcard().register();
+        Cors::build()
+            .supports_credentials()
+            .send_wildcard()
+            .register();
     }
 
     #[test]
     #[should_panic(expected = "Cors::for_app(app)")]
     fn no_resource2() {
-        Cors::build().resource("/test", |r| r.f(|_| HttpResponse::Ok())).register();
+        Cors::build()
+            .resource("/test", |r| r.f(|_| HttpResponse::Ok()))
+            .register();
     }
 
     #[test]
@@ -952,18 +968,27 @@ mod tests {
 
         let mut req = TestRequest::with_header("Origin", "https://www.example.com")
             .header(header::ACCESS_CONTROL_REQUEST_METHOD, "POST")
-            .header(header::ACCESS_CONTROL_REQUEST_HEADERS, "AUTHORIZATION,ACCEPT")
+            .header(
+                header::ACCESS_CONTROL_REQUEST_HEADERS,
+                "AUTHORIZATION,ACCEPT",
+            )
             .method(Method::OPTIONS)
             .finish();
 
         let resp = cors.start(&mut req).unwrap().response();
         assert_eq!(
             &b"*"[..],
-            resp.headers().get(header::ACCESS_CONTROL_ALLOW_ORIGIN).unwrap().as_bytes()
+            resp.headers()
+                .get(header::ACCESS_CONTROL_ALLOW_ORIGIN)
+                .unwrap()
+                .as_bytes()
         );
         assert_eq!(
             &b"3600"[..],
-            resp.headers().get(header::ACCESS_CONTROL_MAX_AGE).unwrap().as_bytes()
+            resp.headers()
+                .get(header::ACCESS_CONTROL_MAX_AGE)
+                .unwrap()
+                .as_bytes()
         );
         //assert_eq!(
         //    &b"authorization,accept,content-type"[..],
@@ -980,7 +1005,9 @@ mod tests {
     #[test]
     #[should_panic(expected = "MissingOrigin")]
     fn test_validate_missing_origin() {
-        let cors = Cors::build().allowed_origin("https://www.example.com").finish();
+        let cors = Cors::build()
+            .allowed_origin("https://www.example.com")
+            .finish();
 
         let mut req = HttpRequest::default();
         cors.start(&mut req).unwrap();
@@ -989,7 +1016,9 @@ mod tests {
     #[test]
     #[should_panic(expected = "OriginNotAllowed")]
     fn test_validate_not_allowed_origin() {
-        let cors = Cors::build().allowed_origin("https://www.example.com").finish();
+        let cors = Cors::build()
+            .allowed_origin("https://www.example.com")
+            .finish();
 
         let mut req = TestRequest::with_header("Origin", "https://www.unknown.com")
             .method(Method::GET)
@@ -999,7 +1028,9 @@ mod tests {
 
     #[test]
     fn test_validate_origin() {
-        let cors = Cors::build().allowed_origin("https://www.example.com").finish();
+        let cors = Cors::build()
+            .allowed_origin("https://www.example.com")
+            .finish();
 
         let mut req = TestRequest::with_header("Origin", "https://www.example.com")
             .method(Method::GET)
@@ -1015,7 +1046,11 @@ mod tests {
         let mut req = TestRequest::default().method(Method::GET).finish();
         let resp: HttpResponse = HttpResponse::Ok().into();
         let resp = cors.response(&mut req, resp).unwrap().response();
-        assert!(resp.headers().get(header::ACCESS_CONTROL_ALLOW_ORIGIN).is_none());
+        assert!(
+            resp.headers()
+                .get(header::ACCESS_CONTROL_ALLOW_ORIGIN)
+                .is_none()
+        );
 
         let mut req = TestRequest::with_header("Origin", "https://www.example.com")
             .method(Method::OPTIONS)
@@ -1023,7 +1058,10 @@ mod tests {
         let resp = cors.response(&mut req, resp).unwrap().response();
         assert_eq!(
             &b"https://www.example.com"[..],
-            resp.headers().get(header::ACCESS_CONTROL_ALLOW_ORIGIN).unwrap().as_bytes()
+            resp.headers()
+                .get(header::ACCESS_CONTROL_ALLOW_ORIGIN)
+                .unwrap()
+                .as_bytes()
         );
     }
 
@@ -1046,12 +1084,19 @@ mod tests {
         let resp = cors.response(&mut req, resp).unwrap().response();
         assert_eq!(
             &b"*"[..],
-            resp.headers().get(header::ACCESS_CONTROL_ALLOW_ORIGIN).unwrap().as_bytes()
+            resp.headers()
+                .get(header::ACCESS_CONTROL_ALLOW_ORIGIN)
+                .unwrap()
+                .as_bytes()
+        );
+        assert_eq!(
+            &b"Origin"[..],
+            resp.headers().get(header::VARY).unwrap().as_bytes()
         );
-        assert_eq!(&b"Origin"[..], resp.headers().get(header::VARY).unwrap().as_bytes());
 
-        let resp: HttpResponse =
-            HttpResponse::Ok().header(header::VARY, "Accept").finish();
+        let resp: HttpResponse = HttpResponse::Ok()
+            .header(header::VARY, "Accept")
+            .finish();
         let resp = cors.response(&mut req, resp).unwrap().response();
         assert_eq!(
             &b"Accept, Origin"[..],
@@ -1066,7 +1111,10 @@ mod tests {
         let resp = cors.response(&mut req, resp).unwrap().response();
         assert_eq!(
             &b"https://www.example.com"[..],
-            resp.headers().get(header::ACCESS_CONTROL_ALLOW_ORIGIN).unwrap().as_bytes()
+            resp.headers()
+                .get(header::ACCESS_CONTROL_ALLOW_ORIGIN)
+                .unwrap()
+                .as_bytes()
         );
     }
 

src/middleware/csrf.rs

@@ -89,7 +89,10 @@ fn origin(headers: &HeaderMap) -> Option<Result<Cow<str>, CsrfError>> {
     headers
         .get(header::ORIGIN)
         .map(|origin| {
-            origin.to_str().map_err(|_| CsrfError::BadOrigin).map(|o| o.into())
+            origin
+                .to_str()
+                .map_err(|_| CsrfError::BadOrigin)
+                .map(|o| o.into())
         })
         .or_else(|| {
             headers.get(header::REFERER).map(|referer| {
@@ -258,8 +261,9 @@ mod tests {
     fn test_upgrade() {
         let strict_csrf = CsrfFilter::new().allowed_origin("https://www.example.com");
 
-        let lax_csrf =
-            CsrfFilter::new().allowed_origin("https://www.example.com").allow_upgrade();
+        let lax_csrf = CsrfFilter::new()
+            .allowed_origin("https://www.example.com")
+            .allow_upgrade();
 
         let mut req = TestRequest::with_header("Origin", "https://cswsh.com")
             .header("Connection", "Upgrade")

src/middleware/defaultheaders.rs

@@ -112,7 +112,9 @@ mod tests {
         };
         assert_eq!(resp.headers().get(CONTENT_TYPE).unwrap(), "0001");
 
-        let resp = HttpResponse::Ok().header(CONTENT_TYPE, "0002").finish();
+        let resp = HttpResponse::Ok()
+            .header(CONTENT_TYPE, "0002")
+            .finish();
         let resp = match mw.response(&mut req, resp) {
             Ok(Response::Done(resp)) => resp,
             _ => panic!(),

src/middleware/identity.rs

@@ -164,9 +164,7 @@ pub struct IdentityService<T> {
 impl<T> IdentityService<T> {
     /// Create new identity service with specified backend.
     pub fn new(backend: T) -> Self {
-        IdentityService {
-            backend,
-        }
+        IdentityService { backend }
     }
 }
 
@@ -181,13 +179,15 @@ impl<S: 'static, T: IdentityPolicy<S>> Middleware<S> for IdentityService<T> {
     fn start(&self, req: &mut HttpRequest<S>) -> Result<Started> {
         let mut req = req.clone();
 
-        let fut = self.backend.from_request(&mut req).then(move |res| match res {
-            Ok(id) => {
-                req.extensions().insert(IdentityBox(Box::new(id)));
-                FutOk(None)
-            }
-            Err(err) => FutErr(err),
-        });
+        let fut = self.backend
+            .from_request(&mut req)
+            .then(move |res| match res {
+                Ok(id) => {
+                    req.extensions().insert(IdentityBox(Box::new(id)));
+                    FutOk(None)
+                }
+                Err(err) => FutErr(err),
+            });
         Ok(Started::Future(Box::new(fut)))
     }
 

src/middleware/logger.rs

@@ -254,9 +254,10 @@ impl FormatText {
                     "-".fmt(fmt)
                 }
             }
-            FormatText::RequestTime => {
-                entry_time.strftime("[%d/%b/%Y:%H:%M:%S %z]").unwrap().fmt(fmt)
-            }
+            FormatText::RequestTime => entry_time
+                .strftime("[%d/%b/%Y:%H:%M:%S %z]")
+                .unwrap()
+                .fmt(fmt),
             FormatText::RequestHeader(ref name) => {
                 let s = if let Some(val) = req.headers().get(name) {
                     if let Ok(s) = val.to_str() {
@@ -313,8 +314,10 @@ mod tests {
         let logger = Logger::new("%% %{User-Agent}i %{X-Test}o %{HOME}e %D test");
 
         let mut headers = HeaderMap::new();
-        headers
-            .insert(header::USER_AGENT, header::HeaderValue::from_static("ACTIX-WEB"));
+        headers.insert(
+            header::USER_AGENT,
+            header::HeaderValue::from_static("ACTIX-WEB"),
+        );
         let mut req = HttpRequest::new(
             Method::GET,
             Uri::from_str("/").unwrap(),
@@ -351,8 +354,10 @@ mod tests {
         let format = Format::default();
 
         let mut headers = HeaderMap::new();
-        headers
-            .insert(header::USER_AGENT, header::HeaderValue::from_static("ACTIX-WEB"));
+        headers.insert(
+            header::USER_AGENT,
+            header::HeaderValue::from_static("ACTIX-WEB"),
+        );
         let req = HttpRequest::new(
             Method::GET,
             Uri::from_str("/").unwrap(),
@@ -360,7 +365,9 @@ mod tests {
             headers,
             None,
         );
-        let resp = HttpResponse::build(StatusCode::OK).force_close().finish();
+        let resp = HttpResponse::build(StatusCode::OK)
+            .force_close()
+            .finish();
         let entry_time = time::now();
 
         let render = |fmt: &mut Formatter| {
@@ -381,7 +388,9 @@ mod tests {
             HeaderMap::new(),
             None,
         );
-        let resp = HttpResponse::build(StatusCode::OK).force_close().finish();
+        let resp = HttpResponse::build(StatusCode::OK)
+            .force_close()
+            .finish();
         let entry_time = time::now();
 
         let render = |fmt: &mut Formatter| {

src/middleware/session.rs

@@ -202,13 +202,16 @@ impl<S: 'static, T: SessionBackend<S>> Middleware<S> for SessionStorage<T, S> {
     fn start(&self, req: &mut HttpRequest<S>) -> Result<Started> {
         let mut req = req.clone();
 
-        let fut = self.0.from_request(&mut req).then(move |res| match res {
-            Ok(sess) => {
-                req.extensions().insert(Arc::new(SessionImplBox(Box::new(sess))));
-                FutOk(None)
-            }
-            Err(err) => FutErr(err),
-        });
+        let fut = self.0
+            .from_request(&mut req)
+            .then(move |res| match res {
+                Ok(sess) => {
+                    req.extensions()
+                        .insert(Arc::new(SessionImplBox(Box::new(sess))));
+                    FutOk(None)
+                }
+                Err(err) => FutErr(err),
+            });
         Ok(Started::Future(Box::new(fut)))
     }
 

src/multipart.rs

@@ -122,7 +122,11 @@ where
         if let Some(err) = self.error.take() {
             Err(err)
         } else if self.safety.current() {
-            self.inner.as_mut().unwrap().borrow_mut().poll(&self.safety)
+            self.inner
+                .as_mut()
+                .unwrap()
+                .borrow_mut()
+                .poll(&self.safety)
         } else {
             Ok(Async::NotReady)
         }
@@ -671,7 +675,10 @@ mod tests {
         }
 
         let mut headers = HeaderMap::new();
-        headers.insert(header::CONTENT_TYPE, header::HeaderValue::from_static("test"));
+        headers.insert(
+            header::CONTENT_TYPE,
+            header::HeaderValue::from_static("test"),
+        );
 
         match Multipart::boundary(&headers) {
             Err(MultipartError::ParseContentType) => (),

src/param.rs

@@ -94,7 +94,8 @@ impl<'a, 'b, 'c: 'a> Index<&'b str> for &'c Params<'a> {
     type Output = str;
 
     fn index(&self, name: &'b str) -> &str {
-        self.get(name).expect("Value for parameter is not available")
+        self.get(name)
+            .expect("Value for parameter is not available")
     }
 }
 
@@ -201,9 +202,18 @@ mod tests {
             PathBuf::from_param("/test/*tt"),
             Err(UriSegmentError::BadStart('*'))
         );
-        assert_eq!(PathBuf::from_param("/test/tt:"), Err(UriSegmentError::BadEnd(':')));
-        assert_eq!(PathBuf::from_param("/test/tt<"), Err(UriSegmentError::BadEnd('<')));
-        assert_eq!(PathBuf::from_param("/test/tt>"), Err(UriSegmentError::BadEnd('>')));
+        assert_eq!(
+            PathBuf::from_param("/test/tt:"),
+            Err(UriSegmentError::BadEnd(':'))
+        );
+        assert_eq!(
+            PathBuf::from_param("/test/tt<"),
+            Err(UriSegmentError::BadEnd('<'))
+        );
+        assert_eq!(
+            PathBuf::from_param("/test/tt>"),
+            Err(UriSegmentError::BadEnd('>'))
+        );
         assert_eq!(
             PathBuf::from_param("/seg1/seg2/"),
             Ok(PathBuf::from_iter(vec!["seg1", "seg2"]))

src/payload.rs

@@ -47,9 +47,7 @@ impl Payload {
             PayloadSender {
                 inner: Rc::downgrade(&shared),
             },
-            Payload {
-                inner: shared,
-            },
+            Payload { inner: shared },
         )
     }
 
@@ -536,7 +534,10 @@ mod tests {
         assert_eq!(format!("{}", err.cause().unwrap()), "ParseError");
 
         let err = PayloadError::Incomplete;
-        assert_eq!(format!("{}", err), "A payload reached EOF, but is not complete.");
+        assert_eq!(
+            format!("{}", err),
+            "A payload reached EOF, but is not complete."
+        );
     }
 
     #[test]
@@ -670,7 +671,10 @@ mod tests {
                 let (mut sender, payload) = Payload::new(false);
                 let mut payload = PayloadHelper::new(payload);
 
-                assert_eq!(Async::NotReady, payload.read_until(b"ne").ok().unwrap());
+                assert_eq!(
+                    Async::NotReady,
+                    payload.read_until(b"ne").ok().unwrap()
+                );
 
                 sender.feed_data(Bytes::from("line1"));
                 sender.feed_data(Bytes::from("line2"));

src/pipeline.rs

@@ -796,15 +796,18 @@ mod tests {
             .unwrap()
             .run(lazy(|| {
                 let mut info = PipelineInfo::new(HttpRequest::default());
-                Completed::<(), Inner<()>>::init(&mut info).is_none().unwrap();
+                Completed::<(), Inner<()>>::init(&mut info)
+                    .is_none()
+                    .unwrap();
 
                 let req = HttpRequest::default();
                 let mut ctx = HttpContext::new(req.clone(), MyActor);
                 let addr: Addr<Unsync, _> = ctx.address();
                 let mut info = PipelineInfo::new(req);
                 info.context = Some(Box::new(ctx));
-                let mut state =
-                    Completed::<(), Inner<()>>::init(&mut info).completed().unwrap();
+                let mut state = Completed::<(), Inner<()>>::init(&mut info)
+                    .completed()
+                    .unwrap();
 
                 assert!(state.poll(&mut info).is_none());
                 let pp = Pipeline(info, PipelineState::Completed(state));

src/pred.rs

@@ -181,7 +181,11 @@ pub fn Header<S: 'static>(
 }
 
 #[doc(hidden)]
-pub struct HeaderPredicate<S>(header::HeaderName, header::HeaderValue, PhantomData<S>);
+pub struct HeaderPredicate<S>(
+    header::HeaderName,
+    header::HeaderValue,
+    PhantomData<S>,
+);
 
 impl<S: 'static> Predicate<S> for HeaderPredicate<S> {
     fn check(&self, req: &mut HttpRequest<S>) -> bool {

src/resource.rs

@@ -132,7 +132,10 @@ impl<S: 'static> ResourceHandler<S> {
     /// ```
     pub fn method(&mut self, method: Method) -> &mut Route<S> {
         self.routes.push(Route::default());
-        self.routes.last_mut().unwrap().filter(pred::Method(method))
+        self.routes
+            .last_mut()
+            .unwrap()
+            .filter(pred::Method(method))
     }
 
     /// Register a new route and add handler object.
@@ -185,7 +188,9 @@ impl<S: 'static> ResourceHandler<S> {
     /// This is similar to `App's` middlewares, but
     /// middlewares get invoked on resource level.
     pub fn middleware<M: Middleware<S>>(&mut self, mw: M) {
-        Rc::get_mut(&mut self.middlewares).unwrap().push(Box::new(mw));
+        Rc::get_mut(&mut self.middlewares)
+            .unwrap()
+            .push(Box::new(mw));
     }
 
     pub(crate) fn handle(

src/route.rs

@@ -1,6 +1,6 @@
 use futures::{Async, Future, Poll};
+use std::cell::UnsafeCell;
 use std::marker::PhantomData;
-use std::mem;
 use std::rc::Rc;
 
 use error::Error;
@@ -180,14 +180,22 @@ impl<S: 'static> Route<S> {
     {
         let cfg1 = ExtractorConfig::default();
         let cfg2 = ExtractorConfig::default();
-        self.h(With2::new(handler, Clone::clone(&cfg1), Clone::clone(&cfg2)));
+        self.h(With2::new(
+            handler,
+            Clone::clone(&cfg1),
+            Clone::clone(&cfg2),
+        ));
         (cfg1, cfg2)
     }
 
     /// Set handler function, use request extractor for all paramters.
     pub fn with3<T1, T2, T3, F, R>(
         &mut self, handler: F,
-    ) -> (ExtractorConfig<S, T1>, ExtractorConfig<S, T2>, ExtractorConfig<S, T3>)
+    ) -> (
+        ExtractorConfig<S, T1>,
+        ExtractorConfig<S, T2>,
+        ExtractorConfig<S, T3>,
+    )
     where
         F: Fn(T1, T2, T3) -> R + 'static,
         R: Responder + 'static,
@@ -210,12 +218,14 @@ impl<S: 'static> Route<S> {
 
 /// `RouteHandler` wrapper. This struct is required because it needs to be
 /// shared for resource level middlewares.
-struct InnerHandler<S>(Rc<Box<RouteHandler<S>>>);
+struct InnerHandler<S>(Rc<UnsafeCell<Box<RouteHandler<S>>>>);
 
 impl<S: 'static> InnerHandler<S> {
     #[inline]
     fn new<H: Handler<S>>(h: H) -> Self {
-        InnerHandler(Rc::new(Box::new(WrapHandler::new(h))))
+        InnerHandler(Rc::new(UnsafeCell::new(Box::new(WrapHandler::new(
+            h,
+        )))))
     }
 
     #[inline]
@@ -226,16 +236,15 @@ impl<S: 'static> InnerHandler<S> {
         R: Responder + 'static,
         E: Into<Error> + 'static,
     {
-        InnerHandler(Rc::new(Box::new(AsyncHandler::new(h))))
+        InnerHandler(Rc::new(UnsafeCell::new(Box::new(AsyncHandler::new(
+            h,
+        )))))
     }
 
     #[inline]
     pub fn handle(&self, req: HttpRequest<S>) -> Reply {
-        // reason: handler is unique per thread,
-        // handler get called from async code only
-        #[allow(mutable_transmutes)]
-        #[cfg_attr(feature = "cargo-clippy", allow(borrowed_box))]
-        let h: &mut Box<RouteHandler<S>> = unsafe { mem::transmute(self.0.as_ref()) };
+        // reason: handler is unique per thread, handler get called from async code only
+        let h = unsafe { &mut *self.0.as_ref().get() };
         h.handle(req)
     }
 }
@@ -290,10 +299,7 @@ impl<S: 'static> Compose<S> {
         };
         let state = StartMiddlewares::init(&mut info);
 
-        Compose {
-            state,
-            info,
-        }
+        Compose { state, info }
     }
 }
 

src/router.rs

@@ -1,6 +1,5 @@
 use std::collections::HashMap;
 use std::hash::{Hash, Hasher};
-use std::mem;
 use std::rc::Rc;
 
 use regex::{escape, Regex};
@@ -79,12 +78,8 @@ impl Router {
         if self.0.prefix_len > req.path().len() {
             return None;
         }
-        let path: &str = unsafe { mem::transmute(&req.path()[self.0.prefix_len..]) };
-        let route_path = if path.is_empty() {
-            "/"
-        } else {
-            path
-        };
+        let path = unsafe { &*(&req.path()[self.0.prefix_len..] as *const str) };
+        let route_path = if path.is_empty() { "/" } else { path };
 
         for (idx, pattern) in self.0.patterns.iter().enumerate() {
             if pattern.match_with_params(route_path, req.match_info_mut()) {
@@ -102,11 +97,7 @@ impl Router {
     /// following path would be recognizable `/test/name` but `has_route()` call
     /// would return `false`.
     pub fn has_route(&self, path: &str) -> bool {
-        let path = if path.is_empty() {
-            "/"
-        } else {
-            path
-        };
+        let path = if path.is_empty() { "/" } else { path };
 
         for pattern in &self.0.patterns {
             if pattern.is_match(path) {
@@ -391,19 +382,34 @@ mod tests {
     #[test]
     fn test_recognizer() {
         let routes = vec![
-            (Resource::new("", "/name"), Some(ResourceHandler::default())),
-            (Resource::new("", "/name/{val}"), Some(ResourceHandler::default())),
+            (
+                Resource::new("", "/name"),
+                Some(ResourceHandler::default()),
+            ),
+            (
+                Resource::new("", "/name/{val}"),
+                Some(ResourceHandler::default()),
+            ),
             (
                 Resource::new("", "/name/{val}/index.html"),
                 Some(ResourceHandler::default()),
             ),
-            (Resource::new("", "/file/{file}.{ext}"), Some(ResourceHandler::default())),
+            (
+                Resource::new("", "/file/{file}.{ext}"),
+                Some(ResourceHandler::default()),
+            ),
             (
                 Resource::new("", "/v{val}/{val2}/index.html"),
                 Some(ResourceHandler::default()),
             ),
-            (Resource::new("", "/v/{tail:.*}"), Some(ResourceHandler::default())),
-            (Resource::new("", "{test}/index.html"), Some(ResourceHandler::default())),
+            (
+                Resource::new("", "/v/{tail:.*}"),
+                Some(ResourceHandler::default()),
+            ),
+            (
+                Resource::new("", "{test}/index.html"),
+                Some(ResourceHandler::default()),
+            ),
         ];
         let (rec, _) = Router::new::<()>("", ServerSettings::default(), routes);
 
@@ -432,7 +438,10 @@ mod tests {
 
         let mut req = TestRequest::with_uri("/v/blah-blah/index.html").finish();
         assert_eq!(rec.recognize(&mut req), Some(5));
-        assert_eq!(req.match_info().get("tail").unwrap(), "blah-blah/index.html");
+        assert_eq!(
+            req.match_info().get("tail").unwrap(),
+            "blah-blah/index.html"
+        );
 
         let mut req = TestRequest::with_uri("/bbb/index.html").finish();
         assert_eq!(rec.recognize(&mut req), Some(6));
@@ -442,8 +451,14 @@ mod tests {
     #[test]
     fn test_recognizer_2() {
         let routes = vec![
-            (Resource::new("", "/index.json"), Some(ResourceHandler::default())),
-            (Resource::new("", "/{source}.json"), Some(ResourceHandler::default())),
+            (
+                Resource::new("", "/index.json"),
+                Some(ResourceHandler::default()),
+            ),
+            (
+                Resource::new("", "/{source}.json"),
+                Some(ResourceHandler::default()),
+            ),
         ];
         let (rec, _) = Router::new::<()>("", ServerSettings::default(), routes);
 
@@ -457,8 +472,14 @@ mod tests {
     #[test]
     fn test_recognizer_with_prefix() {
         let routes = vec![
-            (Resource::new("", "/name"), Some(ResourceHandler::default())),
-            (Resource::new("", "/name/{val}"), Some(ResourceHandler::default())),
+            (
+                Resource::new("", "/name"),
+                Some(ResourceHandler::default()),
+            ),
+            (
+                Resource::new("", "/name/{val}"),
+                Some(ResourceHandler::default()),
+            ),
         ];
         let (rec, _) = Router::new::<()>("/test", ServerSettings::default(), routes);
 
@@ -475,8 +496,14 @@ mod tests {
 
         // same patterns
         let routes = vec![
-            (Resource::new("", "/name"), Some(ResourceHandler::default())),
-            (Resource::new("", "/name/{val}"), Some(ResourceHandler::default())),
+            (
+                Resource::new("", "/name"),
+                Some(ResourceHandler::default()),
+            ),
+            (
+                Resource::new("", "/name/{val}"),
+                Some(ResourceHandler::default()),
+            ),
         ];
         let (rec, _) = Router::new::<()>("/test2", ServerSettings::default(), routes);
 
@@ -545,8 +572,14 @@ mod tests {
     #[test]
     fn test_request_resource() {
         let routes = vec![
-            (Resource::new("r1", "/index.json"), Some(ResourceHandler::default())),
-            (Resource::new("r2", "/test.json"), Some(ResourceHandler::default())),
+            (
+                Resource::new("r1", "/index.json"),
+                Some(ResourceHandler::default()),
+            ),
+            (
+                Resource::new("r2", "/test.json"),
+                Some(ResourceHandler::default()),
+            ),
         ];
         let (router, _) = Router::new::<()>("", ServerSettings::default(), routes);
 

src/server/channel.rs

@@ -1,6 +1,6 @@
 use std::net::{Shutdown, SocketAddr};
 use std::rc::Rc;
-use std::{io, mem, ptr, time};
+use std::{io, ptr, time};
 
 use bytes::{Buf, BufMut, Bytes, BytesMut};
 use futures::{Async, Future, Poll};
@@ -93,12 +93,12 @@ where
             let el = self as *mut _;
             self.node = Some(Node::new(el));
             let _ = match self.proto {
-                Some(HttpProtocol::H1(ref mut h1)) => {
-                    self.node.as_ref().map(|n| h1.settings().head().insert(n))
-                }
-                Some(HttpProtocol::H2(ref mut h2)) => {
-                    self.node.as_ref().map(|n| h2.settings().head().insert(n))
-                }
+                Some(HttpProtocol::H1(ref mut h1)) => self.node
+                    .as_ref()
+                    .map(|n| h1.settings().head().insert(n)),
+                Some(HttpProtocol::H2(ref mut h2)) => self.node
+                    .as_ref()
+                    .map(|n| h2.settings().head().insert(n)),
                 Some(HttpProtocol::Unknown(ref mut settings, _, _, _)) => {
                     self.node.as_ref().map(|n| settings.head().insert(n))
                 }
@@ -168,8 +168,9 @@ where
         if let Some(HttpProtocol::Unknown(settings, addr, io, buf)) = self.proto.take() {
             match kind {
                 ProtocolKind::Http1 => {
-                    self.proto =
-                        Some(HttpProtocol::H1(h1::Http1::new(settings, io, addr, buf)));
+                    self.proto = Some(HttpProtocol::H1(h1::Http1::new(
+                        settings, io, addr, buf,
+                    )));
                     return self.poll();
                 }
                 ProtocolKind::Http2 => {
@@ -210,10 +211,11 @@ impl<T> Node<T> {
                     &mut *(next2.as_ref().unwrap() as *const _ as *mut _);
                 n.prev = Some(next as *const _ as *mut _);
             }
-            let slf: &mut Node<T> = mem::transmute(self);
+            let slf: &mut Node<T> = &mut *(self as *const _ as *mut _);
+
             slf.next = Some(next as *const _ as *mut _);
 
-            let next: &mut Node<T> = mem::transmute(next);
+            let next: &mut Node<T> = &mut *(next as *const _ as *mut _);
             next.prev = Some(slf as *const _ as *mut _);
         }
     }
@@ -249,12 +251,12 @@ impl Node<()> {
         loop {
             if let Some(n) = next {
                 unsafe {
-                    let n: &Node<()> = mem::transmute(n.as_ref().unwrap());
+                    let n: &Node<()> = &*(n.as_ref().unwrap() as *const _);
                     next = n.next.as_ref();
 
                     if !n.element.is_null() {
                         let ch: &mut HttpChannel<T, H> =
-                            mem::transmute(&mut *(n.element as *mut _));
+                            &mut *(&mut *(n.element as *mut _) as *mut () as *mut _);
                         ch.shutdown();
                     }
                 }
@@ -278,9 +280,7 @@ where
     T: AsyncRead + AsyncWrite + 'static,
 {
     pub fn new(io: T) -> Self {
-        WrapperStream {
-            io,
-        }
+        WrapperStream { io }
     }
 }
 

src/server/encoding.rs

@@ -763,7 +763,8 @@ impl TransferEncoding {
                         return Ok(*remaining == 0);
                     }
                     let len = cmp::min(*remaining, msg.len() as u64);
-                    self.buffer.extend(msg.take().split_to(len as usize).into());
+                    self.buffer
+                        .extend(msg.take().split_to(len as usize).into());
 
                     *remaining -= len as u64;
                     Ok(*remaining == 0)
@@ -855,8 +856,10 @@ impl AcceptEncoding {
 
     /// Parse a raw Accept-Encoding header value into an ordered list.
     pub fn parse(raw: &str) -> ContentEncoding {
-        let mut encodings: Vec<_> =
-            raw.replace(' ', "").split(',').map(|l| AcceptEncoding::new(l)).collect();
+        let mut encodings: Vec<_> = raw.replace(' ', "")
+            .split(',')
+            .map(|l| AcceptEncoding::new(l))
+            .collect();
         encodings.sort();
 
         for enc in encodings {
@@ -876,7 +879,9 @@ mod tests {
     fn test_chunked_te() {
         let bytes = SharedBytes::default();
         let mut enc = TransferEncoding::chunked(bytes.clone());
-        assert!(!enc.encode(Binary::from(b"test".as_ref())).ok().unwrap());
+        assert!(!enc.encode(Binary::from(b"test".as_ref()))
+            .ok()
+            .unwrap());
         assert!(enc.encode(Binary::from(b"".as_ref())).ok().unwrap());
         assert_eq!(
             bytes.get_mut().take().freeze(),

src/server/h1.rs

@@ -1,10 +1,8 @@
-#![cfg_attr(feature = "cargo-clippy", allow(redundant_field_names))]
-
 use std::collections::VecDeque;
+use std::io;
 use std::net::SocketAddr;
 use std::rc::Rc;
 use std::time::Duration;
-use std::{io, mem};
 
 use actix::Arbiter;
 use bytes::{BufMut, BytesMut};
@@ -153,28 +151,25 @@ where
         if !self.flags.intersects(Flags::ERROR)
             && self.tasks.len() < MAX_PIPELINED_MESSAGES && self.can_read()
         {
-            match self.read() {
-                Ok(true) | Err(_) => {
-                    // notify all tasks
-                    self.stream.disconnected();
-                    for entry in &mut self.tasks {
-                        entry.pipe.disconnected()
-                    }
-                    // kill keepalive
-                    self.flags.remove(Flags::KEEPALIVE);
-                    self.keepalive_timer.take();
-
-                    // on parse error, stop reading stream but tasks need to be
-                    // completed
-                    self.flags.insert(Flags::ERROR);
-
-                    if let Some(ref mut payload) = self.payload {
-                        payload.set_error(PayloadError::Incomplete);
-                    }
+            if self.read() {
+                // notify all tasks
+                self.stream.disconnected();
+                for entry in &mut self.tasks {
+                    entry.pipe.disconnected()
                 }
-                Ok(false) => {
-                    self.parse();
+                // kill keepalive
+                self.flags.remove(Flags::KEEPALIVE);
+                self.keepalive_timer.take();
+
+                // on parse error, stop reading stream but tasks need to be
+                // completed
+                self.flags.insert(Flags::ERROR);
+
+                if let Some(ref mut payload) = self.payload {
+                    payload.set_error(PayloadError::Incomplete);
                 }
+            } else {
+                self.parse();
             }
         }
     }
@@ -186,7 +181,7 @@ where
         let mut io = false;
         let mut idx = 0;
         while idx < self.tasks.len() {
-            let item: &mut Entry = unsafe { mem::transmute(&mut self.tasks[idx]) };
+            let item: &mut Entry = unsafe { &mut *(&mut self.tasks[idx] as *mut _) };
 
             // only one task can do io operation in http/1
             if !io && !item.flags.contains(EntryFlags::EOF) {
@@ -210,7 +205,8 @@ where
                         self.stream.reset();
 
                         if ready {
-                            item.flags.insert(EntryFlags::EOF | EntryFlags::FINISHED);
+                            item.flags
+                                .insert(EntryFlags::EOF | EntryFlags::FINISHED);
                         } else {
                             item.flags.insert(EntryFlags::FINISHED);
                         }
@@ -252,7 +248,10 @@ where
         // cleanup finished tasks
         let max = self.tasks.len() >= MAX_PIPELINED_MESSAGES;
         while !self.tasks.is_empty() {
-            if self.tasks[0].flags.contains(EntryFlags::EOF | EntryFlags::FINISHED) {
+            if self.tasks[0]
+                .flags
+                .contains(EntryFlags::EOF | EntryFlags::FINISHED)
+            {
                 self.tasks.pop_front();
             } else {
                 break;
@@ -277,7 +276,7 @@ where
 
         // deal with keep-alive
         if self.tasks.is_empty() {
-            // no keep-alive situations
+            // no keep-alive
             if self.flags.contains(Flags::ERROR)
                 || (!self.flags.contains(Flags::KEEPALIVE)
                     || !self.settings.keep_alive_enabled())
@@ -304,10 +303,7 @@ where
     pub fn parse(&mut self) {
         'outer: loop {
             match self.decoder.decode(&mut self.buf, &self.settings) {
-                Ok(Some(Message::Message {
-                    msg,
-                    payload,
-                })) => {
+                Ok(Some(Message::Message { msg, payload })) => {
                     self.flags.insert(Flags::STARTED);
 
                     if payload {
@@ -377,7 +373,7 @@ where
     }
 
     #[inline]
-    fn read(&mut self) -> io::Result<bool> {
+    fn read(&mut self) -> bool {
         loop {
             unsafe {
                 if self.buf.remaining_mut() < LW_BUFFER_SIZE {
@@ -386,16 +382,16 @@ where
                 match self.stream.get_mut().read(self.buf.bytes_mut()) {
                     Ok(n) => {
                         if n == 0 {
-                            return Ok(true);
+                            return true;
                         } else {
                             self.buf.advance_mut(n);
                         }
                     }
                     Err(e) => {
                         return if e.kind() == io::ErrorKind::WouldBlock {
-                            Ok(false)
+                            false
                         } else {
-                            Err(e)
+                            true
                         };
                     }
                 }
@@ -420,19 +416,13 @@ mod tests {
     impl Message {
         fn message(self) -> SharedHttpInnerMessage {
             match self {
-                Message::Message {
-                    msg,
-                    payload: _,
-                } => msg,
+                Message::Message { msg, payload: _ } => msg,
                 _ => panic!("error"),
             }
         }
         fn is_payload(&self) -> bool {
             match *self {
-                Message::Message {
-                    msg: _,
-                    payload,
-                } => payload,
+                Message::Message { msg: _, payload } => payload,
                 _ => panic!("error"),
             }
         }
@@ -628,7 +618,10 @@ mod tests {
                 assert_eq!(req.version(), Version::HTTP_11);
                 assert_eq!(*req.method(), Method::GET);
                 assert_eq!(req.path(), "/test");
-                assert_eq!(req.headers().get("test").unwrap().as_bytes(), b"value");
+                assert_eq!(
+                    req.headers().get("test").unwrap().as_bytes(),
+                    b"value"
+                );
             }
             Ok(_) | Err(_) => unreachable!("Error during parsing http request"),
         }
@@ -850,7 +843,12 @@ mod tests {
         assert!(!req.keep_alive());
         assert!(req.upgrade());
         assert_eq!(
-            reader.decode(&mut buf, &settings).unwrap().unwrap().chunk().as_ref(),
+            reader
+                .decode(&mut buf, &settings)
+                .unwrap()
+                .unwrap()
+                .chunk()
+                .as_ref(),
             b"some raw data"
         );
     }
@@ -907,14 +905,30 @@ mod tests {
 
         buf.extend(b"4\r\ndata\r\n4\r\nline\r\n0\r\n\r\n");
         assert_eq!(
-            reader.decode(&mut buf, &settings).unwrap().unwrap().chunk().as_ref(),
+            reader
+                .decode(&mut buf, &settings)
+                .unwrap()
+                .unwrap()
+                .chunk()
+                .as_ref(),
             b"data"
         );
         assert_eq!(
-            reader.decode(&mut buf, &settings).unwrap().unwrap().chunk().as_ref(),
+            reader
+                .decode(&mut buf, &settings)
+                .unwrap()
+                .unwrap()
+                .chunk()
+                .as_ref(),
             b"line"
         );
-        assert!(reader.decode(&mut buf, &settings).unwrap().unwrap().eof());
+        assert!(
+            reader
+                .decode(&mut buf, &settings)
+                .unwrap()
+                .unwrap()
+                .eof()
+        );
     }
 
     #[test]
@@ -995,7 +1009,13 @@ mod tests {
         assert!(reader.decode(&mut buf, &settings).unwrap().is_none());
 
         buf.extend(b"\r\n");
-        assert!(reader.decode(&mut buf, &settings).unwrap().unwrap().eof());
+        assert!(
+            reader
+                .decode(&mut buf, &settings)
+                .unwrap()
+                .unwrap()
+                .eof()
+        );
     }
 
     #[test]
@@ -1013,9 +1033,17 @@ mod tests {
         assert!(req.chunked().unwrap());
 
         buf.extend(b"4;test\r\ndata\r\n4\r\nline\r\n0\r\n\r\n"); // test: test\r\n\r\n")
-        let chunk = reader.decode(&mut buf, &settings).unwrap().unwrap().chunk();
+        let chunk = reader
+            .decode(&mut buf, &settings)
+            .unwrap()
+            .unwrap()
+            .chunk();
         assert_eq!(chunk, Bytes::from_static(b"data"));
-        let chunk = reader.decode(&mut buf, &settings).unwrap().unwrap().chunk();
+        let chunk = reader
+            .decode(&mut buf, &settings)
+            .unwrap()
+            .unwrap()
+            .chunk();
         assert_eq!(chunk, Bytes::from_static(b"line"));
         let msg = reader.decode(&mut buf, &settings).unwrap().unwrap();
         assert!(msg.eof());

src/server/h1decoder.rs

@@ -41,9 +41,7 @@ impl From<io::Error> for DecoderError {
 
 impl H1Decoder {
     pub fn new() -> H1Decoder {
-        H1Decoder {
-            decoder: None,
-        }
+        H1Decoder { decoder: None }
     }
 
     pub fn decode<H>(
@@ -61,7 +59,9 @@ impl H1Decoder {
             }
         }
 
-        match self.parse_message(src, settings).map_err(DecoderError::Error)? {
+        match self.parse_message(src, settings)
+            .map_err(DecoderError::Error)?
+        {
             Async::Ready((msg, decoder)) => {
                 if let Some(decoder) = decoder {
                     self.decoder = Some(decoder);
@@ -415,9 +415,10 @@ impl ChunkedState {
         match byte!(rdr) {
             b'\n' if *size > 0 => Ok(Async::Ready(ChunkedState::Body)),
             b'\n' if *size == 0 => Ok(Async::Ready(ChunkedState::EndCr)),
-            _ => {
-                Err(io::Error::new(io::ErrorKind::InvalidInput, "Invalid chunk size LF"))
-            }
+            _ => Err(io::Error::new(
+                io::ErrorKind::InvalidInput,
+                "Invalid chunk size LF",
+            )),
         }
     }
 
@@ -450,33 +451,37 @@ impl ChunkedState {
     fn read_body_cr(rdr: &mut BytesMut) -> Poll<ChunkedState, io::Error> {
         match byte!(rdr) {
             b'\r' => Ok(Async::Ready(ChunkedState::BodyLf)),
-            _ => {
-                Err(io::Error::new(io::ErrorKind::InvalidInput, "Invalid chunk body CR"))
-            }
+            _ => Err(io::Error::new(
+                io::ErrorKind::InvalidInput,
+                "Invalid chunk body CR",
+            )),
         }
     }
     fn read_body_lf(rdr: &mut BytesMut) -> Poll<ChunkedState, io::Error> {
         match byte!(rdr) {
             b'\n' => Ok(Async::Ready(ChunkedState::Size)),
-            _ => {
-                Err(io::Error::new(io::ErrorKind::InvalidInput, "Invalid chunk body LF"))
-            }
+            _ => Err(io::Error::new(
+                io::ErrorKind::InvalidInput,
+                "Invalid chunk body LF",
+            )),
         }
     }
     fn read_end_cr(rdr: &mut BytesMut) -> Poll<ChunkedState, io::Error> {
         match byte!(rdr) {
             b'\r' => Ok(Async::Ready(ChunkedState::EndLf)),
-            _ => {
-                Err(io::Error::new(io::ErrorKind::InvalidInput, "Invalid chunk end CR"))
-            }
+            _ => Err(io::Error::new(
+                io::ErrorKind::InvalidInput,
+                "Invalid chunk end CR",
+            )),
         }
     }
     fn read_end_lf(rdr: &mut BytesMut) -> Poll<ChunkedState, io::Error> {
         match byte!(rdr) {
             b'\n' => Ok(Async::Ready(ChunkedState::End)),
-            _ => {
-                Err(io::Error::new(io::ErrorKind::InvalidInput, "Invalid chunk end LF"))
-            }
+            _ => Err(io::Error::new(
+                io::ErrorKind::InvalidInput,
+                "Invalid chunk end LF",
+            )),
         }
     }
 }

src/server/h1writer.rs

@@ -117,7 +117,8 @@ impl<T: AsyncWrite, H: 'static> Writer for H1Writer<T, H> {
         let version = msg.version().unwrap_or_else(|| req.version);
         if msg.upgrade() {
             self.flags.insert(Flags::UPGRADE);
-            msg.headers_mut().insert(CONNECTION, HeaderValue::from_static("upgrade"));
+            msg.headers_mut()
+                .insert(CONNECTION, HeaderValue::from_static("upgrade"));
         }
         // keep-alive
         else if self.flags.contains(Flags::KEEPALIVE) {
@@ -126,7 +127,8 @@ impl<T: AsyncWrite, H: 'static> Writer for H1Writer<T, H> {
                     .insert(CONNECTION, HeaderValue::from_static("keep-alive"));
             }
         } else if version >= Version::HTTP_11 {
-            msg.headers_mut().insert(CONNECTION, HeaderValue::from_static("close"));
+            msg.headers_mut()
+                .insert(CONNECTION, HeaderValue::from_static("close"));
         }
         let body = msg.replace_body(Body::Empty);
 

src/server/h2writer.rs

@@ -107,7 +107,8 @@ impl<H: 'static> Writer for H2Writer<H> {
                 );
             }
             Body::Empty => {
-                msg.headers_mut().insert(CONTENT_LENGTH, HeaderValue::from_static("0"));
+                msg.headers_mut()
+                    .insert(CONTENT_LENGTH, HeaderValue::from_static("0"));
             }
             _ => (),
         }
@@ -119,7 +120,9 @@ impl<H: 'static> Writer for H2Writer<H> {
             resp.headers_mut().insert(key, value.clone());
         }
 
-        match self.respond.send_response(resp, self.flags.contains(Flags::EOF)) {
+        match self.respond
+            .send_response(resp, self.flags.contains(Flags::EOF))
+        {
             Ok(stream) => self.stream = Some(stream),
             Err(_) => return Err(io::Error::new(io::ErrorKind::Other, "err")),
         }

src/server/helpers.rs

@@ -96,8 +96,9 @@ const DEC_DIGITS_LUT: &[u8] = b"0001020304050607080910111213141516171819\
       8081828384858687888990919293949596979899";
 
 pub(crate) fn write_status_line(version: Version, mut n: u16, bytes: &mut BytesMut) {
-    let mut buf: [u8; 13] =
-        [b'H', b'T', b'T', b'P', b'/', b'1', b'.', b'1', b' ', b' ', b' ', b' ', b' '];
+    let mut buf: [u8; 13] = [
+        b'H', b'T', b'T', b'P', b'/', b'1', b'.', b'1', b' ', b' ', b' ', b' ', b' ',
+    ];
     match version {
         Version::HTTP_2 => buf[5] = b'2',
         Version::HTTP_10 => buf[7] = b'0',
@@ -250,33 +251,63 @@ mod tests {
         let mut bytes = BytesMut::new();
         bytes.reserve(50);
         write_content_length(0, &mut bytes);
-        assert_eq!(bytes.take().freeze(), b"\r\ncontent-length: 0\r\n"[..]);
+        assert_eq!(
+            bytes.take().freeze(),
+            b"\r\ncontent-length: 0\r\n"[..]
+        );
         bytes.reserve(50);
         write_content_length(9, &mut bytes);
-        assert_eq!(bytes.take().freeze(), b"\r\ncontent-length: 9\r\n"[..]);
+        assert_eq!(
+            bytes.take().freeze(),
+            b"\r\ncontent-length: 9\r\n"[..]
+        );
         bytes.reserve(50);
         write_content_length(10, &mut bytes);
-        assert_eq!(bytes.take().freeze(), b"\r\ncontent-length: 10\r\n"[..]);
+        assert_eq!(
+            bytes.take().freeze(),
+            b"\r\ncontent-length: 10\r\n"[..]
+        );
         bytes.reserve(50);
         write_content_length(99, &mut bytes);
-        assert_eq!(bytes.take().freeze(), b"\r\ncontent-length: 99\r\n"[..]);
+        assert_eq!(
+            bytes.take().freeze(),
+            b"\r\ncontent-length: 99\r\n"[..]
+        );
         bytes.reserve(50);
         write_content_length(100, &mut bytes);
-        assert_eq!(bytes.take().freeze(), b"\r\ncontent-length: 100\r\n"[..]);
+        assert_eq!(
+            bytes.take().freeze(),
+            b"\r\ncontent-length: 100\r\n"[..]
+        );
         bytes.reserve(50);
         write_content_length(101, &mut bytes);
-        assert_eq!(bytes.take().freeze(), b"\r\ncontent-length: 101\r\n"[..]);
+        assert_eq!(
+            bytes.take().freeze(),
+            b"\r\ncontent-length: 101\r\n"[..]
+        );
         bytes.reserve(50);
         write_content_length(998, &mut bytes);
-        assert_eq!(bytes.take().freeze(), b"\r\ncontent-length: 998\r\n"[..]);
+        assert_eq!(
+            bytes.take().freeze(),
+            b"\r\ncontent-length: 998\r\n"[..]
+        );
         bytes.reserve(50);
         write_content_length(1000, &mut bytes);
-        assert_eq!(bytes.take().freeze(), b"\r\ncontent-length: 1000\r\n"[..]);
+        assert_eq!(
+            bytes.take().freeze(),
+            b"\r\ncontent-length: 1000\r\n"[..]
+        );
         bytes.reserve(50);
         write_content_length(1001, &mut bytes);
-        assert_eq!(bytes.take().freeze(), b"\r\ncontent-length: 1001\r\n"[..]);
+        assert_eq!(
+            bytes.take().freeze(),
+            b"\r\ncontent-length: 1001\r\n"[..]
+        );
         bytes.reserve(50);
         write_content_length(5909, &mut bytes);
-        assert_eq!(bytes.take().freeze(), b"\r\ncontent-length: 5909\r\n"[..]);
+        assert_eq!(
+            bytes.take().freeze(),
+            b"\r\ncontent-length: 5909\r\n"[..]
+        );
     }
 }

src/server/settings.rs

@@ -255,7 +255,10 @@ mod tests {
 
     #[test]
     fn test_date_len() {
-        assert_eq!(DATE_VALUE_LENGTH, "Sun, 06 Nov 1994 08:49:37 GMT".len());
+        assert_eq!(
+            DATE_VALUE_LENGTH,
+            "Sun, 06 Nov 1994 08:49:37 GMT".len()
+        );
     }
 
     #[test]

src/server/srv.rs

@@ -219,7 +219,10 @@ where
             if let Some(e) = err.take() {
                 Err(e)
             } else {
-                Err(io::Error::new(io::ErrorKind::Other, "Can not bind to address."))
+                Err(io::Error::new(
+                    io::ErrorKind::Other,
+                    "Can not bind to address.",
+                ))
             }
         } else {
             Ok(self)
@@ -375,7 +378,10 @@ impl<H: IntoHttpHandler> HttpServer<H> {
     /// Start listening for incoming tls connections.
     pub fn start_tls(mut self, acceptor: TlsAcceptor) -> io::Result<Addr<Syn, Self>> {
         if self.sockets.is_empty() {
-            Err(io::Error::new(io::ErrorKind::Other, "No socket addresses are bound"))
+            Err(io::Error::new(
+                io::ErrorKind::Other,
+                "No socket addresses are bound",
+            ))
         } else {
             let (tx, rx) = mpsc::unbounded();
             let addrs: Vec<(net::SocketAddr, net::TcpListener)> =
@@ -424,7 +430,10 @@ impl<H: IntoHttpHandler> HttpServer<H> {
         mut self, mut builder: SslAcceptorBuilder,
     ) -> io::Result<Addr<Syn, Self>> {
         if self.sockets.is_empty() {
-            Err(io::Error::new(io::ErrorKind::Other, "No socket addresses are bound"))
+            Err(io::Error::new(
+                io::ErrorKind::Other,
+                "No socket addresses are bound",
+            ))
         } else {
             // alpn support
             if !self.no_http2 {
@@ -554,35 +563,17 @@ impl<H: IntoHttpHandler> Handler<signal::Signal> for HttpServer<H> {
             signal::SignalType::Int => {
                 info!("SIGINT received, exiting");
                 self.exit = true;
-                Handler::<StopServer>::handle(
-                    self,
-                    StopServer {
-                        graceful: false,
-                    },
-                    ctx,
-                );
+                Handler::<StopServer>::handle(self, StopServer { graceful: false }, ctx);
             }
             signal::SignalType::Term => {
                 info!("SIGTERM received, stopping");
                 self.exit = true;
-                Handler::<StopServer>::handle(
-                    self,
-                    StopServer {
-                        graceful: true,
-                    },
-                    ctx,
-                );
+                Handler::<StopServer>::handle(self, StopServer { graceful: true }, ctx);
             }
             signal::SignalType::Quit => {
                 info!("SIGQUIT received, exiting");
                 self.exit = true;
-                Handler::<StopServer>::handle(
-                    self,
-                    StopServer {
-                        graceful: false,
-                    },
-                    ctx,
-                );
+                Handler::<StopServer>::handle(self, StopServer { graceful: false }, ctx);
             }
             _ => (),
         }
@@ -706,9 +697,7 @@ impl<H: IntoHttpHandler> Handler<StopServer> for HttpServer<H> {
             let tx2 = tx.clone();
             worker
                 .1
-                .send(StopWorker {
-                    graceful: dur,
-                })
+                .send(StopWorker { graceful: dur })
                 .into_actor(self)
                 .then(move |_, slf, ctx| {
                     slf.workers.pop();
@@ -758,8 +747,9 @@ fn start_accept_thread(
 
     // start accept thread
     #[cfg_attr(feature = "cargo-clippy", allow(cyclomatic_complexity))]
-    let _ = thread::Builder::new().name(format!("Accept on {}", addr)).spawn(
-        move || {
+    let _ = thread::Builder::new()
+        .name(format!("Accept on {}", addr))
+        .spawn(move || {
             const SRV: mio::Token = mio::Token(0);
             const CMD: mio::Token = mio::Token(1);
 
@@ -784,9 +774,12 @@ fn start_accept_thread(
             }
 
             // Start listening for incoming commands
-            if let Err(err) =
-                poll.register(&reg, CMD, mio::Ready::readable(), mio::PollOpt::edge())
-            {
+            if let Err(err) = poll.register(
+                &reg,
+                CMD,
+                mio::Ready::readable(),
+                mio::PollOpt::edge(),
+            ) {
                 panic!("Can not register Registration: {}", err);
             }
 
@@ -917,8 +910,7 @@ fn start_accept_thread(
                     }
                 }
             }
-        },
-    );
+        });
 
     (readiness, tx)
 }

src/server/worker.rs

@@ -77,7 +77,9 @@ impl<H: HttpHandler + 'static> Worker<H> {
 
     fn update_time(&self, ctx: &mut Context<Self>) {
         self.settings.update_date();
-        ctx.run_later(time::Duration::new(1, 0), |slf, ctx| slf.update_time(ctx));
+        ctx.run_later(time::Duration::new(1, 0), |slf, ctx| {
+            slf.update_time(ctx)
+        });
     }
 
     fn shutdown_timeout(
@@ -122,7 +124,8 @@ where
         if self.tcp_ka.is_some() && msg.io.set_keepalive(self.tcp_ka).is_err() {
             error!("Can not set socket keep-alive option");
         }
-        self.handler.handle(Rc::clone(&self.settings), &self.hnd, msg);
+        self.handler
+            .handle(Rc::clone(&self.settings), &self.hnd, msg);
     }
 }
 
@@ -174,57 +177,52 @@ impl StreamHandlerType {
             }
             #[cfg(feature = "tls")]
             StreamHandlerType::Tls(ref acceptor) => {
-                let Conn {
-                    io,
-                    peer,
-                    http2,
-                } = msg;
+                let Conn { io, peer, http2 } = msg;
                 let _ = io.set_nodelay(true);
                 let io = TcpStream::from_stream(io, hnd)
                     .expect("failed to associate TCP stream");
 
-                hnd.spawn(TlsAcceptorExt::accept_async(acceptor, io).then(move |res| {
-                    match res {
-                        Ok(io) => {
-                            Arbiter::handle().spawn(HttpChannel::new(h, io, peer, http2))
-                        }
-                        Err(err) => {
-                            trace!("Error during handling tls connection: {}", err)
-                        }
-                    };
-                    future::result(Ok(()))
-                }));
+                hnd.spawn(
+                    TlsAcceptorExt::accept_async(acceptor, io).then(move |res| {
+                        match res {
+                            Ok(io) => Arbiter::handle()
+                                .spawn(HttpChannel::new(h, io, peer, http2)),
+                            Err(err) => {
+                                trace!("Error during handling tls connection: {}", err)
+                            }
+                        };
+                        future::result(Ok(()))
+                    }),
+                );
             }
             #[cfg(feature = "alpn")]
             StreamHandlerType::Alpn(ref acceptor) => {
-                let Conn {
-                    io,
-                    peer,
-                    ..
-                } = msg;
+                let Conn { io, peer, .. } = msg;
                 let _ = io.set_nodelay(true);
                 let io = TcpStream::from_stream(io, hnd)
                     .expect("failed to associate TCP stream");
 
-                hnd.spawn(SslAcceptorExt::accept_async(acceptor, io).then(move |res| {
-                    match res {
-                        Ok(io) => {
-                            let http2 = if let Some(p) =
-                                io.get_ref().ssl().selected_alpn_protocol()
-                            {
-                                p.len() == 2 && &p == b"h2"
-                            } else {
-                                false
-                            };
-                            Arbiter::handle()
-                                .spawn(HttpChannel::new(h, io, peer, http2));
-                        }
-                        Err(err) => {
-                            trace!("Error during handling tls connection: {}", err)
-                        }
-                    };
-                    future::result(Ok(()))
-                }));
+                hnd.spawn(
+                    SslAcceptorExt::accept_async(acceptor, io).then(move |res| {
+                        match res {
+                            Ok(io) => {
+                                let http2 = if let Some(p) =
+                                    io.get_ref().ssl().selected_alpn_protocol()
+                                {
+                                    p.len() == 2 && &p == b"h2"
+                                } else {
+                                    false
+                                };
+                                Arbiter::handle()
+                                    .spawn(HttpChannel::new(h, io, peer, http2));
+                            }
+                            Err(err) => {
+                                trace!("Error during handling tls connection: {}", err)
+                            }
+                        };
+                        future::result(Ok(()))
+                    }),
+                );
             }
         }
     }

src/test.rs

@@ -170,22 +170,14 @@ impl TestServer {
         if uri.starts_with('/') {
             format!(
                 "{}://{}{}",
-                if self.ssl {
-                    "https"
-                } else {
-                    "http"
-                },
+                if self.ssl { "https" } else { "http" },
                 self.addr,
                 uri
             )
         } else {
             format!(
                 "{}://{}/{}",
-                if self.ssl {
-                    "https"
-                } else {
-                    "http"
-                },
+                if self.ssl { "https" } else { "http" },
                 self.addr,
                 uri
             )
@@ -358,14 +350,17 @@ pub struct TestApp<S = ()> {
 impl<S: 'static> TestApp<S> {
     fn new(state: S) -> TestApp<S> {
         let app = App::with_state(state);
-        TestApp {
-            app: Some(app),
-        }
+        TestApp { app: Some(app) }
     }
 
     /// Register handler for "/"
     pub fn handler<H: Handler<S>>(&mut self, handler: H) {
-        self.app = Some(self.app.take().unwrap().resource("/", |r| r.h(handler)));
+        self.app = Some(
+            self.app
+                .take()
+                .unwrap()
+                .resource("/", |r| r.h(handler)),
+        );
     }
 
     /// Register middleware

src/uri.rs

@@ -44,10 +44,7 @@ impl Url {
     pub fn new(uri: Uri) -> Url {
         let path = DEFAULT_QUOTER.requote(uri.path().as_bytes());
 
-        Url {
-            uri,
-            path,
-        }
+        Url { uri, path }
     }
 
     pub fn uri(&self) -> &Uri {

src/with.rs

@@ -307,8 +307,10 @@ where
                 Async::Ready(item) => {
                     self.item = Some(item);
                     self.fut1.take();
-                    self.fut2 =
-                        Some(Box::new(T2::from_request(&self.req, self.cfg2.as_ref())));
+                    self.fut2 = Some(Box::new(T2::from_request(
+                        &self.req,
+                        self.cfg2.as_ref(),
+                    )));
                 }
                 Async::NotReady => return Ok(Async::NotReady),
             }
@@ -508,8 +510,10 @@ where
                 Async::Ready(item) => {
                     self.item1 = Some(item);
                     self.fut1.take();
-                    self.fut2 =
-                        Some(Box::new(T2::from_request(&self.req, self.cfg2.as_ref())));
+                    self.fut2 = Some(Box::new(T2::from_request(
+                        &self.req,
+                        self.cfg2.as_ref(),
+                    )));
                 }
                 Async::NotReady => return Ok(Async::NotReady),
             }
@@ -520,8 +524,10 @@ where
                 Async::Ready(item) => {
                     self.item2 = Some(item);
                     self.fut2.take();
-                    self.fut3 =
-                        Some(Box::new(T3::from_request(&self.req, self.cfg3.as_ref())));
+                    self.fut3 = Some(Box::new(T3::from_request(
+                        &self.req,
+                        self.cfg3.as_ref(),
+                    )));
                 }
                 Async::NotReady => return Ok(Async::NotReady),
             }
@@ -533,13 +539,15 @@ where
         };
 
         let hnd: &mut F = unsafe { &mut *self.hnd.get() };
-        let item =
-            match (*hnd)(self.item1.take().unwrap(), self.item2.take().unwrap(), item)
-                .respond_to(self.req.drop_state())
-            {
-                Ok(item) => item.into(),
-                Err(err) => return Err(err.into()),
-            };
+        let item = match (*hnd)(
+            self.item1.take().unwrap(),
+            self.item2.take().unwrap(),
+            item,
+        ).respond_to(self.req.drop_state())
+        {
+            Ok(item) => item.into(),
+            Err(err) => return Err(err.into()),
+        };
 
         match item.into() {
             ReplyItem::Message(resp) => return Ok(Async::Ready(resp)),

src/ws/client.rs

@@ -142,8 +142,9 @@ impl Client {
         U: IntoIterator<Item = V> + 'static,
         V: AsRef<str>,
     {
-        let mut protos =
-            protos.into_iter().fold(String::new(), |acc, s| acc + s.as_ref() + ",");
+        let mut protos = protos
+            .into_iter()
+            .fold(String::new(), |acc, s| acc + s.as_ref() + ",");
         protos.pop();
         self.protocols = Some(protos);
         self
@@ -217,7 +218,8 @@ impl Client {
             self.request.upgrade();
             self.request.set_header(header::UPGRADE, "websocket");
             self.request.set_header(header::CONNECTION, "upgrade");
-            self.request.set_header(header::SEC_WEBSOCKET_VERSION, "13");
+            self.request
+                .set_header(header::SEC_WEBSOCKET_VERSION, "13");
             self.request.with_connector(self.conn.clone());
 
             if let Some(protocols) = self.protocols.take() {
@@ -392,7 +394,10 @@ impl Future for ClientHandshake {
                     encoded,
                     key
                 );
-                return Err(ClientError::InvalidChallengeResponse(encoded, key.clone()));
+                return Err(ClientError::InvalidChallengeResponse(
+                    encoded,
+                    key.clone(),
+                ));
             }
         } else {
             trace!("Missing SEC-WEBSOCKET-ACCEPT header");
@@ -411,9 +416,7 @@ impl Future for ClientHandshake {
                 inner: Rc::clone(&inner),
                 max_size: self.max_size,
             },
-            ClientWriter {
-                inner,
-            },
+            ClientWriter { inner },
         )))
     }
 }
@@ -533,13 +536,23 @@ impl ClientWriter {
     /// Send ping frame
     #[inline]
     pub fn ping(&mut self, message: &str) {
-        self.write(Frame::message(Vec::from(message), OpCode::Ping, true, true));
+        self.write(Frame::message(
+            Vec::from(message),
+            OpCode::Ping,
+            true,
+            true,
+        ));
     }
 
     /// Send pong frame
     #[inline]
     pub fn pong(&mut self, message: &str) {
-        self.write(Frame::message(Vec::from(message), OpCode::Pong, true, true));
+        self.write(Frame::message(
+            Vec::from(message),
+            OpCode::Pong,
+            true,
+            true,
+        ));
     }
 
     /// Send close frame

src/ws/context.rs

@@ -2,7 +2,6 @@ use futures::sync::oneshot::Sender;
 use futures::unsync::oneshot;
 use futures::{Async, Poll};
 use smallvec::SmallVec;
-use std::mem;
 
 use actix::dev::{ContextImpl, SyncEnvelope, ToEnvelope};
 use actix::fut::ActorFuture;
@@ -156,13 +155,23 @@ where
     /// Send ping frame
     #[inline]
     pub fn ping(&mut self, message: &str) {
-        self.write(Frame::message(Vec::from(message), OpCode::Ping, true, false));
+        self.write(Frame::message(
+            Vec::from(message),
+            OpCode::Ping,
+            true,
+            false,
+        ));
     }
 
     /// Send pong frame
     #[inline]
     pub fn pong(&mut self, message: &str) {
-        self.write(Frame::message(Vec::from(message), OpCode::Pong, true, false));
+        self.write(Frame::message(
+            Vec::from(message),
+            OpCode::Pong,
+            true,
+            false,
+        ));
     }
 
     /// Send close frame
@@ -190,7 +199,9 @@ where
         if self.stream.is_none() {
             self.stream = Some(SmallVec::new());
         }
-        self.stream.as_mut().map(|s| s.push(frame));
+        if let Some(s) = self.stream.as_mut() {
+            s.push(frame)
+        }
         self.inner.modify();
     }
 
@@ -214,8 +225,7 @@ where
     }
 
     fn poll(&mut self) -> Poll<Option<SmallVec<[ContextFrame; 4]>>, Error> {
-        let ctx: &mut WebsocketContext<A, S> =
-            unsafe { mem::transmute(self as &mut WebsocketContext<A, S>) };
+        let ctx: &mut WebsocketContext<A, S> = unsafe { &mut *(self as *mut _) };
 
         if self.inner.alive() && self.inner.poll(ctx).is_err() {
             return Err(ErrorInternalServerError("error"));

src/ws/frame.rs

@@ -1,8 +1,9 @@
+#![cfg_attr(feature = "cargo-clippy", allow(cast_ptr_alignment))]
 use byteorder::{BigEndian, ByteOrder, NetworkEndian};
 use bytes::{BufMut, Bytes, BytesMut};
 use futures::{Async, Poll, Stream};
 use rand;
-use std::{fmt, mem, ptr};
+use std::{fmt, ptr};
 
 use body::Binary;
 use error::PayloadError;
@@ -122,7 +123,9 @@ impl Frame {
             None
         };
 
-        Ok(Async::Ready(Some((idx, finished, opcode, length, mask))))
+        Ok(Async::Ready(Some((
+            idx, finished, opcode, length, mask,
+        ))))
     }
 
     fn read_chunk_md(
@@ -257,10 +260,9 @@ impl Frame {
 
         // unmask
         if let Some(mask) = mask {
-            #[allow(mutable_transmutes)]
             let p: &mut [u8] = unsafe {
                 let ptr: &[u8] = &data;
-                mem::transmute(ptr)
+                &mut *(ptr as *const _ as *mut _)
             };
             apply_mask(p, mask);
         }

src/ws/mask.rs

@@ -1,4 +1,5 @@
 //! This is code from [Tungstenite project](https://github.com/snapview/tungstenite-rs)
+#![cfg_attr(feature = "cargo-clippy", allow(cast_ptr_alignment))]
 use std::cmp::min;
 use std::mem::uninitialized;
 use std::ptr::copy_nonoverlapping;
@@ -28,11 +29,7 @@ fn apply_mask_fast32(buf: &mut [u8], mask_u32: u32) {
     // Possible first unaligned block.
     let head = min(len, (8 - (ptr as usize & 0x7)) & 0x3);
     let mask_u32 = if head > 0 {
-        let n = if head > 4 {
-            head - 4
-        } else {
-            head
-        };
+        let n = if head > 4 { head - 4 } else { head };
 
         let mask_u32 = if n > 0 {
             unsafe {

src/ws/mod.rs

@@ -133,24 +133,24 @@ pub enum HandshakeError {
 impl ResponseError for HandshakeError {
     fn error_response(&self) -> HttpResponse {
         match *self {
-            HandshakeError::GetMethodRequired => {
-                HttpResponse::MethodNotAllowed().header(header::ALLOW, "GET").finish()
-            }
+            HandshakeError::GetMethodRequired => HttpResponse::MethodNotAllowed()
+                .header(header::ALLOW, "GET")
+                .finish(),
             HandshakeError::NoWebsocketUpgrade => HttpResponse::BadRequest()
                 .reason("No WebSocket UPGRADE header found")
                 .finish(),
-            HandshakeError::NoConnectionUpgrade => {
-                HttpResponse::BadRequest().reason("No CONNECTION upgrade").finish()
-            }
+            HandshakeError::NoConnectionUpgrade => HttpResponse::BadRequest()
+                .reason("No CONNECTION upgrade")
+                .finish(),
             HandshakeError::NoVersionHeader => HttpResponse::BadRequest()
                 .reason("Websocket version header is required")
                 .finish(),
-            HandshakeError::UnsupportedVersion => {
-                HttpResponse::BadRequest().reason("Unsupported version").finish()
-            }
-            HandshakeError::BadWebsocketKey => {
-                HttpResponse::BadRequest().reason("Handshake error").finish()
-            }
+            HandshakeError::UnsupportedVersion => HttpResponse::BadRequest()
+                .reason("Unsupported version")
+                .finish(),
+            HandshakeError::BadWebsocketKey => HttpResponse::BadRequest()
+                .reason("Handshake error")
+                .finish(),
         }
     }
 }
@@ -216,7 +216,9 @@ pub fn handshake<S>(
     }
 
     // check supported version
-    if !req.headers().contains_key(header::SEC_WEBSOCKET_VERSION) {
+    if !req.headers()
+        .contains_key(header::SEC_WEBSOCKET_VERSION)
+    {
         return Err(HandshakeError::NoVersionHeader);
     }
     let supported_ver = {
@@ -353,7 +355,10 @@ mod tests {
             HeaderMap::new(),
             None,
         );
-        assert_eq!(HandshakeError::GetMethodRequired, handshake(&req).err().unwrap());
+        assert_eq!(
+            HandshakeError::GetMethodRequired,
+            handshake(&req).err().unwrap()
+        );
 
         let req = HttpRequest::new(
             Method::GET,
@@ -362,10 +367,16 @@ mod tests {
             HeaderMap::new(),
             None,
         );
-        assert_eq!(HandshakeError::NoWebsocketUpgrade, handshake(&req).err().unwrap());
+        assert_eq!(
+            HandshakeError::NoWebsocketUpgrade,
+            handshake(&req).err().unwrap()
+        );
 
         let mut headers = HeaderMap::new();
-        headers.insert(header::UPGRADE, header::HeaderValue::from_static("test"));
+        headers.insert(
+            header::UPGRADE,
+            header::HeaderValue::from_static("test"),
+        );
         let req = HttpRequest::new(
             Method::GET,
             Uri::from_str("/").unwrap(),
@@ -373,10 +384,16 @@ mod tests {
             headers,
             None,
         );
-        assert_eq!(HandshakeError::NoWebsocketUpgrade, handshake(&req).err().unwrap());
+        assert_eq!(
+            HandshakeError::NoWebsocketUpgrade,
+            handshake(&req).err().unwrap()
+        );
 
         let mut headers = HeaderMap::new();
-        headers.insert(header::UPGRADE, header::HeaderValue::from_static("websocket"));
+        headers.insert(
+            header::UPGRADE,
+            header::HeaderValue::from_static("websocket"),
+        );
         let req = HttpRequest::new(
             Method::GET,
             Uri::from_str("/").unwrap(),
@@ -384,11 +401,20 @@ mod tests {
             headers,
             None,
         );
-        assert_eq!(HandshakeError::NoConnectionUpgrade, handshake(&req).err().unwrap());
+        assert_eq!(
+            HandshakeError::NoConnectionUpgrade,
+            handshake(&req).err().unwrap()
+        );
 
         let mut headers = HeaderMap::new();
-        headers.insert(header::UPGRADE, header::HeaderValue::from_static("websocket"));
-        headers.insert(header::CONNECTION, header::HeaderValue::from_static("upgrade"));
+        headers.insert(
+            header::UPGRADE,
+            header::HeaderValue::from_static("websocket"),
+        );
+        headers.insert(
+            header::CONNECTION,
+            header::HeaderValue::from_static("upgrade"),
+        );
         let req = HttpRequest::new(
             Method::GET,
             Uri::from_str("/").unwrap(),
@@ -396,11 +422,20 @@ mod tests {
             headers,
             None,
         );
-        assert_eq!(HandshakeError::NoVersionHeader, handshake(&req).err().unwrap());
+        assert_eq!(
+            HandshakeError::NoVersionHeader,
+            handshake(&req).err().unwrap()
+        );
 
         let mut headers = HeaderMap::new();
-        headers.insert(header::UPGRADE, header::HeaderValue::from_static("websocket"));
-        headers.insert(header::CONNECTION, header::HeaderValue::from_static("upgrade"));
+        headers.insert(
+            header::UPGRADE,
+            header::HeaderValue::from_static("websocket"),
+        );
+        headers.insert(
+            header::CONNECTION,
+            header::HeaderValue::from_static("upgrade"),
+        );
         headers.insert(
             header::SEC_WEBSOCKET_VERSION,
             header::HeaderValue::from_static("5"),
@@ -412,11 +447,20 @@ mod tests {
             headers,
             None,
         );
-        assert_eq!(HandshakeError::UnsupportedVersion, handshake(&req).err().unwrap());
+        assert_eq!(
+            HandshakeError::UnsupportedVersion,
+            handshake(&req).err().unwrap()
+        );
 
         let mut headers = HeaderMap::new();
-        headers.insert(header::UPGRADE, header::HeaderValue::from_static("websocket"));
-        headers.insert(header::CONNECTION, header::HeaderValue::from_static("upgrade"));
+        headers.insert(
+            header::UPGRADE,
+            header::HeaderValue::from_static("websocket"),
+        );
+        headers.insert(
+            header::CONNECTION,
+            header::HeaderValue::from_static("upgrade"),
+        );
         headers.insert(
             header::SEC_WEBSOCKET_VERSION,
             header::HeaderValue::from_static("13"),
@@ -428,17 +472,28 @@ mod tests {
             headers,
             None,
         );
-        assert_eq!(HandshakeError::BadWebsocketKey, handshake(&req).err().unwrap());
+        assert_eq!(
+            HandshakeError::BadWebsocketKey,
+            handshake(&req).err().unwrap()
+        );
 
         let mut headers = HeaderMap::new();
-        headers.insert(header::UPGRADE, header::HeaderValue::from_static("websocket"));
-        headers.insert(header::CONNECTION, header::HeaderValue::from_static("upgrade"));
+        headers.insert(
+            header::UPGRADE,
+            header::HeaderValue::from_static("websocket"),
+        );
+        headers.insert(
+            header::CONNECTION,
+            header::HeaderValue::from_static("upgrade"),
+        );
         headers.insert(
             header::SEC_WEBSOCKET_VERSION,
             header::HeaderValue::from_static("13"),
         );
-        headers
-            .insert(header::SEC_WEBSOCKET_KEY, header::HeaderValue::from_static("13"));
+        headers.insert(
+            header::SEC_WEBSOCKET_KEY,
+            header::HeaderValue::from_static("13"),
+        );
         let req = HttpRequest::new(
             Method::GET,
             Uri::from_str("/").unwrap(),

tests/test_client.rs

@@ -72,7 +72,10 @@ fn test_with_query_parameter() {
         })
     });
 
-    let request = srv.get().uri(srv.url("/?qp=5").as_str()).finish().unwrap();
+    let request = srv.get()
+        .uri(srv.url("/?qp=5").as_str())
+        .finish()
+        .unwrap();
 
     let response = srv.execute(request.send()).unwrap();
     assert!(response.status().is_success());
@@ -121,8 +124,10 @@ fn test_client_gzip_encoding() {
     });
 
     // client request
-    let request =
-        srv.post().content_encoding(http::ContentEncoding::Gzip).body(STR).unwrap();
+    let request = srv.post()
+        .content_encoding(http::ContentEncoding::Gzip)
+        .body(STR)
+        .unwrap();
     let response = srv.execute(request.send()).unwrap();
     assert!(response.status().is_success());
 
@@ -162,7 +167,10 @@ fn test_client_gzip_encoding_large() {
 
 #[test]
 fn test_client_gzip_encoding_large_random() {
-    let data = rand::thread_rng().gen_ascii_chars().take(100_000).collect::<String>();
+    let data = rand::thread_rng()
+        .gen_ascii_chars()
+        .take(100_000)
+        .collect::<String>();
 
     let mut srv = test::TestServer::new(|app| {
         app.handler(|req: HttpRequest| {
@@ -220,7 +228,10 @@ fn test_client_brotli_encoding() {
 #[cfg(feature = "brotli")]
 #[test]
 fn test_client_brotli_encoding_large_random() {
-    let data = rand::thread_rng().gen_ascii_chars().take(70_000).collect::<String>();
+    let data = rand::thread_rng()
+        .gen_ascii_chars()
+        .take(70_000)
+        .collect::<String>();
 
     let mut srv = test::TestServer::new(|app| {
         app.handler(|req: HttpRequest| {
@@ -264,8 +275,10 @@ fn test_client_deflate_encoding() {
     });
 
     // client request
-    let request =
-        srv.post().content_encoding(http::ContentEncoding::Deflate).body(STR).unwrap();
+    let request = srv.post()
+        .content_encoding(http::ContentEncoding::Deflate)
+        .body(STR)
+        .unwrap();
     let response = srv.execute(request.send()).unwrap();
     assert!(response.status().is_success());
 
@@ -277,7 +290,10 @@ fn test_client_deflate_encoding() {
 #[cfg(feature = "brotli")]
 #[test]
 fn test_client_deflate_encoding_large_random() {
-    let data = rand::thread_rng().gen_ascii_chars().take(70_000).collect::<String>();
+    let data = rand::thread_rng()
+        .gen_ascii_chars()
+        .take(70_000)
+        .collect::<String>();
 
     let mut srv = test::TestServer::new(|app| {
         app.handler(|req: HttpRequest| {
@@ -322,7 +338,9 @@ fn test_client_streaming_explicit() {
 
     let body = once(Ok(Bytes::from_static(STR.as_ref())));
 
-    let request = srv.get().body(Body::Streaming(Box::new(body))).unwrap();
+    let request = srv.get()
+        .body(Body::Streaming(Box::new(body)))
+        .unwrap();
     let response = srv.execute(request.send()).unwrap();
     assert!(response.status().is_success());
 
@@ -395,8 +413,11 @@ fn test_client_cookie_handling() {
         })
     });
 
-    let request =
-        srv.get().cookie(cookie1.clone()).cookie(cookie2.clone()).finish().unwrap();
+    let request = srv.get()
+        .cookie(cookie1.clone())
+        .cookie(cookie2.clone())
+        .finish()
+        .unwrap();
     let response = srv.execute(request.send()).unwrap();
     assert!(response.status().is_success());
     let c1 = response.cookie("cookie1").expect("Missing cookie1");

tests/test_handlers.rs

@@ -26,7 +26,10 @@ fn test_path_extractor() {
     });
 
     // client request
-    let request = srv.get().uri(srv.url("/test/index.html")).finish().unwrap();
+    let request = srv.get()
+        .uri(srv.url("/test/index.html"))
+        .finish()
+        .unwrap();
     let response = srv.execute(request.send()).unwrap();
     assert!(response.status().is_success());
 
@@ -44,7 +47,10 @@ fn test_query_extractor() {
     });
 
     // client request
-    let request = srv.get().uri(srv.url("/index.html?username=test")).finish().unwrap();
+    let request = srv.get()
+        .uri(srv.url("/index.html?username=test"))
+        .finish()
+        .unwrap();
     let response = srv.execute(request.send()).unwrap();
     assert!(response.status().is_success());
 
@@ -53,7 +59,10 @@ fn test_query_extractor() {
     assert_eq!(bytes, Bytes::from_static(b"Welcome test!"));
 
     // client request
-    let request = srv.get().uri(srv.url("/index.html")).finish().unwrap();
+    let request = srv.get()
+        .uri(srv.url("/index.html"))
+        .finish()
+        .unwrap();
     let response = srv.execute(request.send()).unwrap();
     assert_eq!(response.status(), StatusCode::BAD_REQUEST);
 }
@@ -69,8 +78,10 @@ fn test_path_and_query_extractor() {
     });
 
     // client request
-    let request =
-        srv.get().uri(srv.url("/test1/index.html?username=test2")).finish().unwrap();
+    let request = srv.get()
+        .uri(srv.url("/test1/index.html?username=test2"))
+        .finish()
+        .unwrap();
     let response = srv.execute(request.send()).unwrap();
     assert!(response.status().is_success());
 
@@ -79,7 +90,10 @@ fn test_path_and_query_extractor() {
     assert_eq!(bytes, Bytes::from_static(b"Welcome test1 - test2!"));
 
     // client request
-    let request = srv.get().uri(srv.url("/test1/index.html")).finish().unwrap();
+    let request = srv.get()
+        .uri(srv.url("/test1/index.html"))
+        .finish()
+        .unwrap();
     let response = srv.execute(request.send()).unwrap();
     assert_eq!(response.status(), StatusCode::BAD_REQUEST);
 }
@@ -88,15 +102,18 @@ fn test_path_and_query_extractor() {
 fn test_path_and_query_extractor2() {
     let mut srv = test::TestServer::new(|app| {
         app.resource("/{username}/index.html", |r| {
-            r.route().with3(|_: HttpRequest, p: Path<PParam>, q: Query<PParam>| {
-                format!("Welcome {} - {}!", p.username, q.username)
-            })
+            r.route()
+                .with3(|_: HttpRequest, p: Path<PParam>, q: Query<PParam>| {
+                    format!("Welcome {} - {}!", p.username, q.username)
+                })
         });
     });
 
     // client request
-    let request =
-        srv.get().uri(srv.url("/test1/index.html?username=test2")).finish().unwrap();
+    let request = srv.get()
+        .uri(srv.url("/test1/index.html?username=test2"))
+        .finish()
+        .unwrap();
     let response = srv.execute(request.send()).unwrap();
     assert!(response.status().is_success());
 
@@ -105,7 +122,10 @@ fn test_path_and_query_extractor2() {
     assert_eq!(bytes, Bytes::from_static(b"Welcome test1 - test2!"));
 
     // client request
-    let request = srv.get().uri(srv.url("/test1/index.html")).finish().unwrap();
+    let request = srv.get()
+        .uri(srv.url("/test1/index.html"))
+        .finish()
+        .unwrap();
     let response = srv.execute(request.send()).unwrap();
     assert_eq!(response.status(), StatusCode::BAD_REQUEST);
 }
@@ -117,7 +137,10 @@ fn test_non_ascii_route() {
     });
 
     // client request
-    let request = srv.get().uri(srv.url("/中文/index.html")).finish().unwrap();
+    let request = srv.get()
+        .uri(srv.url("/中文/index.html"))
+        .finish()
+        .unwrap();
     let response = srv.execute(request.send()).unwrap();
     assert!(response.status().is_success());
 
@@ -135,12 +158,17 @@ fn test_unsafe_path_route() {
     });
 
     // client request
-    let request =
-        srv.get().uri(srv.url("/test/http%3A%2F%2Fexample.com")).finish().unwrap();
+    let request = srv.get()
+        .uri(srv.url("/test/http%3A%2F%2Fexample.com"))
+        .finish()
+        .unwrap();
     let response = srv.execute(request.send()).unwrap();
     assert!(response.status().is_success());
 
     // read response
     let bytes = srv.execute(response.body()).unwrap();
-    assert_eq!(bytes, Bytes::from_static(b"success: http:%2F%2Fexample.com"));
+    assert_eq!(
+        bytes,
+        Bytes::from_static(b"success: http:%2F%2Fexample.com")
+    );
 }

tests/test_server.rs

@@ -131,9 +131,7 @@ fn test_shutdown() {
             .finish()
             .unwrap();
         let response = sys.run_until_complete(req.send()).unwrap();
-        srv_addr.do_send(server::StopServer {
-            graceful: true,
-        });
+        srv_addr.do_send(server::StopServer { graceful: true });
         assert!(response.status().is_success());
     }
 
@@ -206,7 +204,9 @@ fn test_body() {
 fn test_body_gzip() {
     let mut srv = test::TestServer::new(|app| {
         app.handler(|_| {
-            HttpResponse::Ok().content_encoding(http::ContentEncoding::Gzip).body(STR)
+            HttpResponse::Ok()
+                .content_encoding(http::ContentEncoding::Gzip)
+                .body(STR)
         })
     });
 
@@ -254,7 +254,10 @@ fn test_body_gzip_large() {
 
 #[test]
 fn test_body_gzip_large_random() {
-    let data = rand::thread_rng().gen_ascii_chars().take(70_000).collect::<String>();
+    let data = rand::thread_rng()
+        .gen_ascii_chars()
+        .take(70_000)
+        .collect::<String>();
     let srv_data = Arc::new(data.clone());
 
     let mut srv = test::TestServer::new(move |app| {
@@ -335,7 +338,11 @@ fn test_body_br_streaming() {
 #[test]
 fn test_head_empty() {
     let mut srv = test::TestServer::new(|app| {
-        app.handler(|_| HttpResponse::Ok().content_length(STR.len() as u64).finish())
+        app.handler(|_| {
+            HttpResponse::Ok()
+                .content_length(STR.len() as u64)
+                .finish()
+        })
     });
 
     let request = srv.head().finish().unwrap();
@@ -343,7 +350,10 @@ fn test_head_empty() {
     assert!(response.status().is_success());
 
     {
-        let len = response.headers().get(http::header::CONTENT_LENGTH).unwrap();
+        let len = response
+            .headers()
+            .get(http::header::CONTENT_LENGTH)
+            .unwrap();
         assert_eq!(format!("{}", STR.len()), len.to_str().unwrap());
     }
 
@@ -368,7 +378,10 @@ fn test_head_binary() {
     assert!(response.status().is_success());
 
     {
-        let len = response.headers().get(http::header::CONTENT_LENGTH).unwrap();
+        let len = response
+            .headers()
+            .get(http::header::CONTENT_LENGTH)
+            .unwrap();
         assert_eq!(format!("{}", STR.len()), len.to_str().unwrap());
     }
 
@@ -392,7 +405,10 @@ fn test_head_binary2() {
     assert!(response.status().is_success());
 
     {
-        let len = response.headers().get(http::header::CONTENT_LENGTH).unwrap();
+        let len = response
+            .headers()
+            .get(http::header::CONTENT_LENGTH)
+            .unwrap();
         assert_eq!(format!("{}", STR.len()), len.to_str().unwrap());
     }
 }
@@ -448,7 +464,9 @@ fn test_body_chunked_explicit() {
 fn test_body_deflate() {
     let mut srv = test::TestServer::new(|app| {
         app.handler(|_| {
-            HttpResponse::Ok().content_encoding(http::ContentEncoding::Deflate).body(STR)
+            HttpResponse::Ok()
+                .content_encoding(http::ContentEncoding::Deflate)
+                .body(STR)
         })
     });
 
@@ -472,7 +490,9 @@ fn test_body_deflate() {
 fn test_body_brotli() {
     let mut srv = test::TestServer::new(|app| {
         app.handler(|_| {
-            HttpResponse::Ok().content_encoding(http::ContentEncoding::Br).body(STR)
+            HttpResponse::Ok()
+                .content_encoding(http::ContentEncoding::Br)
+                .body(STR)
         })
     });
 
@@ -556,7 +576,10 @@ fn test_gzip_encoding_large() {
 
 #[test]
 fn test_reading_gzip_encoding_large_random() {
-    let data = rand::thread_rng().gen_ascii_chars().take(60_000).collect::<String>();
+    let data = rand::thread_rng()
+        .gen_ascii_chars()
+        .take(60_000)
+        .collect::<String>();
 
     let mut srv = test::TestServer::new(|app| {
         app.handler(|req: HttpRequest| {
@@ -607,8 +630,10 @@ fn test_reading_deflate_encoding() {
     let enc = e.finish().unwrap();
 
     // client request
-    let request =
-        srv.post().header(http::header::CONTENT_ENCODING, "deflate").body(enc).unwrap();
+    let request = srv.post()
+        .header(http::header::CONTENT_ENCODING, "deflate")
+        .body(enc)
+        .unwrap();
     let response = srv.execute(request.send()).unwrap();
     assert!(response.status().is_success());
 
@@ -637,8 +662,10 @@ fn test_reading_deflate_encoding_large() {
     let enc = e.finish().unwrap();
 
     // client request
-    let request =
-        srv.post().header(http::header::CONTENT_ENCODING, "deflate").body(enc).unwrap();
+    let request = srv.post()
+        .header(http::header::CONTENT_ENCODING, "deflate")
+        .body(enc)
+        .unwrap();
     let response = srv.execute(request.send()).unwrap();
     assert!(response.status().is_success());
 
@@ -649,7 +676,10 @@ fn test_reading_deflate_encoding_large() {
 
 #[test]
 fn test_reading_deflate_encoding_large_random() {
-    let data = rand::thread_rng().gen_ascii_chars().take(160_000).collect::<String>();
+    let data = rand::thread_rng()
+        .gen_ascii_chars()
+        .take(160_000)
+        .collect::<String>();
 
     let mut srv = test::TestServer::new(|app| {
         app.handler(|req: HttpRequest| {
@@ -668,8 +698,10 @@ fn test_reading_deflate_encoding_large_random() {
     let enc = e.finish().unwrap();
 
     // client request
-    let request =
-        srv.post().header(http::header::CONTENT_ENCODING, "deflate").body(enc).unwrap();
+    let request = srv.post()
+        .header(http::header::CONTENT_ENCODING, "deflate")
+        .body(enc)
+        .unwrap();
     let response = srv.execute(request.send()).unwrap();
     assert!(response.status().is_success());
 
@@ -699,8 +731,10 @@ fn test_brotli_encoding() {
     let enc = e.finish().unwrap();
 
     // client request
-    let request =
-        srv.post().header(http::header::CONTENT_ENCODING, "br").body(enc).unwrap();
+    let request = srv.post()
+        .header(http::header::CONTENT_ENCODING, "br")
+        .body(enc)
+        .unwrap();
     let response = srv.execute(request.send()).unwrap();
     assert!(response.status().is_success());
 
@@ -730,8 +764,10 @@ fn test_brotli_encoding_large() {
     let enc = e.finish().unwrap();
 
     // client request
-    let request =
-        srv.post().header(http::header::CONTENT_ENCODING, "br").body(enc).unwrap();
+    let request = srv.post()
+        .header(http::header::CONTENT_ENCODING, "br")
+        .body(enc)
+        .unwrap();
     let response = srv.execute(request.send()).unwrap();
     assert!(response.status().is_success());
 
@@ -749,29 +785,30 @@ fn test_h2() {
     let handle = core.handle();
     let tcp = TcpStream::connect(&addr, &handle);
 
-    let tcp = tcp.then(|res| h2client::handshake(res.unwrap())).then(move |res| {
-        let (mut client, h2) = res.unwrap();
+    let tcp = tcp.then(|res| h2client::handshake(res.unwrap()))
+        .then(move |res| {
+            let (mut client, h2) = res.unwrap();
 
-        let request = Request::builder()
-            .uri(format!("https://{}/", addr).as_str())
-            .body(())
-            .unwrap();
-        let (response, _) = client.send_request(request, false).unwrap();
+            let request = Request::builder()
+                .uri(format!("https://{}/", addr).as_str())
+                .body(())
+                .unwrap();
+            let (response, _) = client.send_request(request, false).unwrap();
 
-        // Spawn a task to run the conn...
-        handle.spawn(h2.map_err(|e| println!("GOT ERR={:?}", e)));
+            // Spawn a task to run the conn...
+            handle.spawn(h2.map_err(|e| println!("GOT ERR={:?}", e)));
 
-        response.and_then(|response| {
-            assert_eq!(response.status(), http::StatusCode::OK);
+            response.and_then(|response| {
+                assert_eq!(response.status(), http::StatusCode::OK);
 
-            let (_, body) = response.into_parts();
+                let (_, body) = response.into_parts();
 
-            body.fold(BytesMut::new(), |mut b, c| -> Result<_, h2::Error> {
-                b.extend(c);
-                Ok(b)
+                body.fold(BytesMut::new(), |mut b, c| -> Result<_, h2::Error> {
+                    b.extend(c);
+                    Ok(b)
+                })
             })
-        })
-    });
+        });
     let _res = core.run(tcp);
     // assert_eq!(res.unwrap(), Bytes::from_static(STR.as_ref()));
 }
@@ -795,20 +832,28 @@ struct MiddlewareTest {
 
 impl<S> middleware::Middleware<S> for MiddlewareTest {
     fn start(&self, _: &mut HttpRequest<S>) -> Result<middleware::Started> {
-        self.start.store(self.start.load(Ordering::Relaxed) + 1, Ordering::Relaxed);
+        self.start.store(
+            self.start.load(Ordering::Relaxed) + 1,
+            Ordering::Relaxed,
+        );
         Ok(middleware::Started::Done)
     }
 
     fn response(
         &self, _: &mut HttpRequest<S>, resp: HttpResponse,
     ) -> Result<middleware::Response> {
-        self.response
-            .store(self.response.load(Ordering::Relaxed) + 1, Ordering::Relaxed);
+        self.response.store(
+            self.response.load(Ordering::Relaxed) + 1,
+            Ordering::Relaxed,
+        );
         Ok(middleware::Response::Done(resp))
     }
 
     fn finish(&self, _: &mut HttpRequest<S>, _: &HttpResponse) -> middleware::Finished {
-        self.finish.store(self.finish.load(Ordering::Relaxed) + 1, Ordering::Relaxed);
+        self.finish.store(
+            self.finish.load(Ordering::Relaxed) + 1,
+            Ordering::Relaxed,
+        );
         middleware::Finished::Done
     }
 }

tests/test_ws.rs

@@ -44,7 +44,12 @@ fn test_simple() {
 
     writer.binary(b"text".as_ref());
     let (item, reader) = srv.execute(reader.into_future()).unwrap();
-    assert_eq!(item, Some(ws::Message::Binary(Bytes::from_static(b"text").into())));
+    assert_eq!(
+        item,
+        Some(ws::Message::Binary(
+            Bytes::from_static(b"text").into()
+        ))
+    );
 
     writer.ping("ping");
     let (item, reader) = srv.execute(reader.into_future()).unwrap();
@@ -52,7 +57,10 @@ fn test_simple() {
 
     writer.close(Some(ws::CloseCode::Normal.into()));
     let (item, _) = srv.execute(reader.into_future()).unwrap();
-    assert_eq!(item, Some(ws::Message::Close(Some(ws::CloseCode::Normal.into()))));
+    assert_eq!(
+        item,
+        Some(ws::Message::Close(Some(ws::CloseCode::Normal.into())))
+    );
 }
 
 #[test]
@@ -79,7 +87,10 @@ fn test_close_description() {
 
 #[test]
 fn test_large_text() {
-    let data = rand::thread_rng().gen_ascii_chars().take(65_536).collect::<String>();
+    let data = rand::thread_rng()
+        .gen_ascii_chars()
+        .take(65_536)
+        .collect::<String>();
 
     let mut srv = test::TestServer::new(|app| app.handler(|req| ws::start(req, Ws)));
     let (mut reader, mut writer) = srv.ws().unwrap();
@@ -94,7 +105,10 @@ fn test_large_text() {
 
 #[test]
 fn test_large_bin() {
-    let data = rand::thread_rng().gen_ascii_chars().take(65_536).collect::<String>();
+    let data = rand::thread_rng()
+        .gen_ascii_chars()
+        .take(65_536)
+        .collect::<String>();
 
     let mut srv = test::TestServer::new(|app| app.handler(|req| ws::start(req, Ws)));
     let (mut reader, mut writer) = srv.ws().unwrap();
@@ -103,7 +117,10 @@ fn test_large_bin() {
         writer.binary(data.clone());
         let (item, r) = srv.execute(reader.into_future()).unwrap();
         reader = r;
-        assert_eq!(item, Some(ws::Message::Binary(Binary::from(data.clone()))));
+        assert_eq!(
+            item,
+            Some(ws::Message::Binary(Binary::from(data.clone())))
+        );
     }
 }
 
@@ -207,20 +224,26 @@ fn test_ws_server_ssl() {
 
     // load ssl keys
     let mut builder = SslAcceptor::mozilla_intermediate(SslMethod::tls()).unwrap();
-    builder.set_private_key_file("tests/key.pem", SslFiletype::PEM).unwrap();
-    builder.set_certificate_chain_file("tests/cert.pem").unwrap();
+    builder
+        .set_private_key_file("tests/key.pem", SslFiletype::PEM)
+        .unwrap();
+    builder
+        .set_certificate_chain_file("tests/cert.pem")
+        .unwrap();
 
-    let mut srv = test::TestServer::build().ssl(builder.build()).start(|app| {
-        app.handler(|req| {
-            ws::start(
-                req,
-                Ws2 {
-                    count: 0,
-                    bin: false,
-                },
-            )
-        })
-    });
+    let mut srv = test::TestServer::build()
+        .ssl(builder.build())
+        .start(|app| {
+            app.handler(|req| {
+                ws::start(
+                    req,
+                    Ws2 {
+                        count: 0,
+                        bin: false,
+                    },
+                )
+            })
+        });
     let (mut reader, _writer) = srv.ws().unwrap();
 
     let data = Some(ws::Message::Text("0".repeat(65_536)));

tools/wsload/src/wsclient.rs

@@ -61,8 +61,12 @@ fn main() {
     let sample_rate = parse_u64_default(matches.value_of("sample-rate"), 1) as usize;
 
     let perf_counters = Arc::new(PerfCounters::new());
-    let payload =
-        Arc::new(thread_rng().gen_ascii_chars().take(payload_size).collect::<String>());
+    let payload = Arc::new(
+        thread_rng()
+            .gen_ascii_chars()
+            .take(payload_size)
+            .collect::<String>(),
+    );
 
     let sys = actix::System::new("ws-client");
 
@@ -78,40 +82,43 @@ fn main() {
         let perf = perf_counters.clone();
         let addr = Arbiter::new(format!("test {}", t));
 
-        addr.do_send(actix::msgs::Execute::new(move || -> Result<(), ()> {
-            for _ in 0..concurrency {
-                let pl2 = pl.clone();
-                let perf2 = perf.clone();
-                let ws2 = ws.clone();
+        addr.do_send(actix::msgs::Execute::new(
+            move || -> Result<(), ()> {
+                for _ in 0..concurrency {
+                    let pl2 = pl.clone();
+                    let perf2 = perf.clone();
+                    let ws2 = ws.clone();
 
-                Arbiter::handle().spawn(
-                    ws::Client::new(&ws)
-                        .write_buffer_capacity(0)
-                        .connect()
-                        .map_err(|e| {
-                            println!("Error: {}", e);
-                            //Arbiter::system().do_send(actix::msgs::SystemExit(0));
-                            ()
-                        })
-                        .map(move |(reader, writer)| {
-                            let addr: Addr<Syn, _> = ChatClient::create(move |ctx| {
-                                ChatClient::add_stream(reader, ctx);
-                                ChatClient {
-                                    url: ws2,
-                                    conn: writer,
-                                    payload: pl2,
-                                    bin: bin,
-                                    ts: time::precise_time_ns(),
-                                    perf_counters: perf2,
-                                    sent: 0,
-                                    max_payload_size: max_payload_size,
-                                }
-                            });
-                        }),
-                );
-            }
-            Ok(())
-        }));
+                    Arbiter::handle().spawn(
+                        ws::Client::new(&ws)
+                            .write_buffer_capacity(0)
+                            .connect()
+                            .map_err(|e| {
+                                println!("Error: {}", e);
+                                //Arbiter::system().do_send(actix::msgs::SystemExit(0));
+                                ()
+                            })
+                            .map(move |(reader, writer)| {
+                                let addr: Addr<Syn, _> =
+                                    ChatClient::create(move |ctx| {
+                                        ChatClient::add_stream(reader, ctx);
+                                        ChatClient {
+                                            url: ws2,
+                                            conn: writer,
+                                            payload: pl2,
+                                            bin: bin,
+                                            ts: time::precise_time_ns(),
+                                            perf_counters: perf2,
+                                            sent: 0,
+                                            max_payload_size: max_payload_size,
+                                        }
+                                    });
+                            }),
+                    );
+                }
+                Ok(())
+            },
+        ));
     }
 
     let res = sys.run();
@@ -119,7 +126,10 @@ fn main() {
 
 fn parse_u64_default(input: Option<&str>, default: u64) -> u64 {
     input
-        .map(|v| v.parse().expect(&format!("not a valid number: {}", v)))
+        .map(|v| {
+            v.parse()
+                .expect(&format!("not a valid number: {}", v))
+        })
         .unwrap_or(default)
 }
 
@@ -139,13 +149,15 @@ impl Actor for Perf {
 
 impl Perf {
     fn sample_rate(&self, ctx: &mut Context<Self>) {
-        ctx.run_later(Duration::new(self.sample_rate_secs as u64, 0), |act, ctx| {
-            let req_count = act.counters.pull_request_count();
-            if req_count != 0 {
-                let conns = act.counters.pull_connections_count();
-                let latency = act.counters.pull_latency_ns();
-                let latency_max = act.counters.pull_latency_max_ns();
-                println!(
+        ctx.run_later(
+            Duration::new(self.sample_rate_secs as u64, 0),
+            |act, ctx| {
+                let req_count = act.counters.pull_request_count();
+                if req_count != 0 {
+                    let conns = act.counters.pull_connections_count();
+                    let latency = act.counters.pull_latency_ns();
+                    let latency_max = act.counters.pull_latency_max_ns();
+                    println!(
                         "rate: {}, conns: {}, throughput: {:?} kb, latency: {}, latency max: {}",
                         req_count / act.sample_rate_secs,
                         conns / act.sample_rate_secs,
@@ -154,10 +166,11 @@ impl Perf {
                         time::Duration::nanoseconds((latency / req_count as u64) as i64),
                         time::Duration::nanoseconds(latency_max as i64)
                     );
-            }
+                }
 
-            act.sample_rate(ctx);
-        });
+                act.sample_rate(ctx);
+            },
+        );
     }
 }
 
@@ -301,7 +314,8 @@ impl PerfCounters {
         loop {
             let current = self.lat_max.load(Ordering::SeqCst);
             if current >= nanos
-                || self.lat_max.compare_and_swap(current, nanos, Ordering::SeqCst)
+                || self.lat_max
+                    .compare_and_swap(current, nanos, Ordering::SeqCst)
                     == current
             {
                 break;