diff --git a/src/fs.rs b/src/fs.rs
index f42ef2e4..14c3818b 100644
--- a/src/fs.rs
+++ b/src/fs.rs
@@ -585,11 +585,13 @@ impl<S: 'static> StaticFiles<S> {
 
     /// Create new `StaticFiles` instance for specified base directory and
     /// `CpuPool`.
-    pub fn with_pool<T: Into<PathBuf>>(dir: T, pool: CpuPool) -> Result<StaticFiles<S>, Error> {
+    pub fn with_pool<T: Into<PathBuf>>(
+        dir: T, pool: CpuPool,
+    ) -> Result<StaticFiles<S>, Error> {
         let dir = dir.into().canonicalize()?;
 
         if !dir.is_dir() {
-            return Err(StaticFileError::IsNotDirectory.into())
+            return Err(StaticFileError::IsNotDirectory.into());
         }
 
         Ok(StaticFiles {
@@ -640,7 +642,9 @@ impl<S: 'static> StaticFiles<S> {
         self
     }
 
-    fn try_handle(&self, req: &HttpRequest<S>) -> Result<AsyncResult<HttpResponse>, Error> {
+    fn try_handle(
+        &self, req: &HttpRequest<S>,
+    ) -> Result<AsyncResult<HttpResponse>, Error> {
         let tail: String = req.match_info().query("tail")?;
         let relpath = PathBuf::from_param(tail.trim_left_matches('/'))?;
 
@@ -971,7 +975,10 @@ mod tests {
     #[test]
     fn test_named_file_ranges_status_code() {
         let mut srv = test::TestServer::with_factory(|| {
-            App::new().handler("test", StaticFiles::new(".").unwrap().index_file("Cargo.toml"))
+            App::new().handler(
+                "test",
+                StaticFiles::new(".").unwrap().index_file("Cargo.toml"),
+            )
         });
 
         // Valid range header
@@ -1001,7 +1008,9 @@ mod tests {
         let mut srv = test::TestServer::with_factory(|| {
             App::new().handler(
                 "test",
-                StaticFiles::new(".").unwrap().index_file("tests/test.binary"),
+                StaticFiles::new(".")
+                    .unwrap()
+                    .index_file("tests/test.binary"),
             )
         });
 
@@ -1049,7 +1058,9 @@ mod tests {
         let mut srv = test::TestServer::with_factory(|| {
             App::new().handler(
                 "test",
-                StaticFiles::new(".").unwrap().index_file("tests/test.binary"),
+                StaticFiles::new(".")
+                    .unwrap()
+                    .index_file("tests/test.binary"),
             )
         });
 
@@ -1167,7 +1178,9 @@ mod tests {
     #[test]
     fn test_static_files() {
         let mut st = StaticFiles::new(".").unwrap().show_files_listing();
-        let req = TestRequest::with_uri("/missing").param("tail", "missing").finish();
+        let req = TestRequest::with_uri("/missing")
+            .param("tail", "missing")
+            .finish();
         let resp = st.handle(&req).respond_to(&req).unwrap();
         let resp = resp.as_msg();
         assert_eq!(resp.status(), StatusCode::NOT_FOUND);
@@ -1202,14 +1215,20 @@ mod tests {
 
     #[test]
     fn test_default_handler_file_missing() {
-        let st = StaticFiles::new(".").unwrap()
+        let st = StaticFiles::new(".")
+            .unwrap()
             .default_handler(|_: &_| "default content");
-        let req = TestRequest::with_uri("/missing").param("tail", "missing").finish();
+        let req = TestRequest::with_uri("/missing")
+            .param("tail", "missing")
+            .finish();
 
         let resp = st.handle(&req).respond_to(&req).unwrap();
         let resp = resp.as_msg();
         assert_eq!(resp.status(), StatusCode::OK);
-        assert_eq!(resp.body(), &Body::Binary(Binary::Slice(b"default content")));
+        assert_eq!(
+            resp.body(),
+            &Body::Binary(Binary::Slice(b"default content"))
+        );
     }
 
     #[test]
@@ -1282,7 +1301,10 @@ mod tests {
     #[test]
     fn integration_redirect_to_index() {
         let mut srv = test::TestServer::with_factory(|| {
-            App::new().handler("test", StaticFiles::new(".").unwrap().index_file("Cargo.toml"))
+            App::new().handler(
+                "test",
+                StaticFiles::new(".").unwrap().index_file("Cargo.toml"),
+            )
         });
 
         let request = srv.get().uri(srv.url("/test")).finish().unwrap();
@@ -1311,7 +1333,10 @@ mod tests {
     #[test]
     fn integration_percent_encoded() {
         let mut srv = test::TestServer::with_factory(|| {
-            App::new().handler("test", StaticFiles::new(".").unwrap().index_file("Cargo.toml"))
+            App::new().handler(
+                "test",
+                StaticFiles::new(".").unwrap().index_file("Cargo.toml"),
+            )
         });
 
         let request = srv
diff --git a/src/lib.rs b/src/lib.rs
index 34dcd718..da2249c8 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -151,7 +151,6 @@ extern crate openssl;
 #[cfg(feature = "openssl")]
 extern crate tokio_openssl;
 
-mod serde_urlencoded;
 mod application;
 mod body;
 mod context;
@@ -174,6 +173,7 @@ mod resource;
 mod route;
 mod router;
 mod scope;
+mod serde_urlencoded;
 mod uri;
 mod with;
 
diff --git a/src/pred.rs b/src/pred.rs
index 432150ef..22f12ac2 100644
--- a/src/pred.rs
+++ b/src/pred.rs
@@ -175,8 +175,7 @@ pub fn Method<S: 'static>(method: http::Method) -> MethodPredicate<S> {
 /// Return predicate that matches if request contains specified header and
 /// value.
 pub fn Header<S: 'static>(
-    name: &'static str,
-    value: &'static str,
+    name: &'static str, value: &'static str,
 ) -> HeaderPredicate<S> {
     HeaderPredicate(
         header::HeaderName::try_from(name).unwrap(),
diff --git a/src/serde_urlencoded/de.rs b/src/serde_urlencoded/de.rs
index affbfb37..ae14afbf 100644
--- a/src/serde_urlencoded/de.rs
+++ b/src/serde_urlencoded/de.rs
@@ -1,13 +1,15 @@
 //! Deserialization support for the `application/x-www-form-urlencoded` format.
 
-use serde::de::{self, DeserializeSeed, EnumAccess, IntoDeserializer, VariantAccess, Visitor};
 use serde::de::Error as de_Error;
+use serde::de::{
+    self, DeserializeSeed, EnumAccess, IntoDeserializer, VariantAccess, Visitor,
+};
 
 use serde::de::value::MapDeserializer;
 use std::borrow::Cow;
 use std::io::Read;
-use url::form_urlencoded::Parse as UrlEncodedParse;
 use url::form_urlencoded::parse;
+use url::form_urlencoded::Parse as UrlEncodedParse;
 
 #[doc(inline)]
 pub use serde::de::value::Error;
@@ -28,7 +30,8 @@ pub use serde::de::value::Error;
 ///     Ok(meal));
 /// ```
 pub fn from_bytes<'de, T>(input: &'de [u8]) -> Result<T, Error>
-    where T: de::Deserialize<'de>,
+where
+    T: de::Deserialize<'de>,
 {
     T::deserialize(Deserializer::new(parse(input)))
 }
@@ -49,7 +52,8 @@ pub fn from_bytes<'de, T>(input: &'de [u8]) -> Result<T, Error>
 ///     Ok(meal));
 /// ```
 pub fn from_str<'de, T>(input: &'de str) -> Result<T, Error>
-    where T: de::Deserialize<'de>,
+where
+    T: de::Deserialize<'de>,
 {
     from_bytes(input.as_bytes())
 }
@@ -58,14 +62,14 @@ pub fn from_str<'de, T>(input: &'de str) -> Result<T, Error>
 /// Convenience function that reads all bytes from `reader` and deserializes
 /// them with `from_bytes`.
 pub fn from_reader<T, R>(mut reader: R) -> Result<T, Error>
-    where T: de::DeserializeOwned,
-          R: Read,
+where
+    T: de::DeserializeOwned,
+    R: Read,
 {
     let mut buf = vec![];
-    reader.read_to_end(&mut buf)
-        .map_err(|e| {
-            de::Error::custom(format_args!("could not read input: {}", e))
-        })?;
+    reader
+        .read_to_end(&mut buf)
+        .map_err(|e| de::Error::custom(format_args!("could not read input: {}", e)))?;
     from_bytes(&buf)
 }
 
@@ -95,25 +99,29 @@ impl<'de> de::Deserializer<'de> for Deserializer<'de> {
     type Error = Error;
 
     fn deserialize_any<V>(self, visitor: V) -> Result<V::Value, Self::Error>
-        where V: de::Visitor<'de>,
+    where
+        V: de::Visitor<'de>,
     {
         self.deserialize_map(visitor)
     }
 
     fn deserialize_map<V>(self, visitor: V) -> Result<V::Value, Self::Error>
-        where V: de::Visitor<'de>,
+    where
+        V: de::Visitor<'de>,
     {
         visitor.visit_map(self.inner)
     }
 
     fn deserialize_seq<V>(self, visitor: V) -> Result<V::Value, Self::Error>
-        where V: de::Visitor<'de>,
+    where
+        V: de::Visitor<'de>,
     {
         visitor.visit_seq(self.inner)
     }
 
     fn deserialize_unit<V>(self, visitor: V) -> Result<V::Value, Self::Error>
-        where V:  de::Visitor<'de>,
+    where
+        V: de::Visitor<'de>,
     {
         self.inner.end()?;
         visitor.visit_unit()
@@ -160,8 +168,7 @@ impl<'de> Iterator for PartIterator<'de> {
 
 struct Part<'de>(Cow<'de, str>);
 
-impl<'de> IntoDeserializer<'de> for Part<'de>
-{
+impl<'de> IntoDeserializer<'de> for Part<'de> {
     type Deserializer = Self;
 
     fn into_deserializer(self) -> Self::Deserializer {
@@ -188,19 +195,24 @@ impl<'de> de::Deserializer<'de> for Part<'de> {
     type Error = Error;
 
     fn deserialize_any<V>(self, visitor: V) -> Result<V::Value, Self::Error>
-        where V: de::Visitor<'de>,
+    where
+        V: de::Visitor<'de>,
     {
         self.0.into_deserializer().deserialize_any(visitor)
     }
 
     fn deserialize_option<V>(self, visitor: V) -> Result<V::Value, Self::Error>
-        where V: de::Visitor<'de>,
+    where
+        V: de::Visitor<'de>,
     {
         visitor.visit_some(self)
     }
 
-    fn deserialize_enum<V>(self, _name: &'static str, _variants: &'static [&'static str], visitor: V) -> Result<V::Value, Self::Error>
-        where V: de::Visitor<'de>,
+    fn deserialize_enum<V>(
+        self, _name: &'static str, _variants: &'static [&'static str], visitor: V,
+    ) -> Result<V::Value, Self::Error>
+    where
+        V: de::Visitor<'de>,
     {
         visitor.visit_enum(ValueEnumAccess { value: self.0 })
     }
@@ -248,11 +260,9 @@ impl<'de> EnumAccess<'de> for ValueEnumAccess<'de> {
     type Error = Error;
     type Variant = UnitOnlyVariantAccess;
 
-    fn variant_seed<V>(
-        self,
-        seed: V,
-    ) -> Result<(V::Value, Self::Variant), Self::Error>
-        where V: DeserializeSeed<'de>,
+    fn variant_seed<V>(self, seed: V) -> Result<(V::Value, Self::Variant), Self::Error>
+    where
+        V: DeserializeSeed<'de>,
     {
         let variant = seed.deserialize(self.value.into_deserializer())?;
         Ok((variant, UnitOnlyVariantAccess))
@@ -271,27 +281,24 @@ impl<'de> VariantAccess<'de> for UnitOnlyVariantAccess {
     }
 
     fn newtype_variant_seed<T>(self, _seed: T) -> Result<T::Value, Self::Error>
-        where T: DeserializeSeed<'de>,
+    where
+        T: DeserializeSeed<'de>,
     {
         Err(Error::custom("expected unit variant"))
     }
 
-    fn tuple_variant<V>(
-        self,
-        _len: usize,
-        _visitor: V,
-    ) -> Result<V::Value, Self::Error>
-        where V: Visitor<'de>,
+    fn tuple_variant<V>(self, _len: usize, _visitor: V) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
     {
         Err(Error::custom("expected unit variant"))
     }
 
     fn struct_variant<V>(
-        self,
-        _fields: &'static [&'static str],
-        _visitor: V,
+        self, _fields: &'static [&'static str], _visitor: V,
     ) -> Result<V::Value, Self::Error>
-        where V: Visitor<'de>,
+    where
+        V: Visitor<'de>,
     {
         Err(Error::custom("expected unit variant"))
     }
diff --git a/src/serde_urlencoded/mod.rs b/src/serde_urlencoded/mod.rs
index 6ee62c2a..7e2cf33a 100644
--- a/src/serde_urlencoded/mod.rs
+++ b/src/serde_urlencoded/mod.rs
@@ -1,15 +1,15 @@
 //! `x-www-form-urlencoded` meets Serde
 
-extern crate itoa;
 extern crate dtoa;
+extern crate itoa;
 
 pub mod de;
 pub mod ser;
 
 #[doc(inline)]
-pub use self::de::{Deserializer, from_bytes, from_reader, from_str};
+pub use self::de::{from_bytes, from_reader, from_str, Deserializer};
 #[doc(inline)]
-pub use self::ser::{Serializer, to_string};
+pub use self::ser::{to_string, Serializer};
 
 #[cfg(test)]
 mod tests {
@@ -17,24 +17,21 @@ mod tests {
     fn deserialize_bytes() {
         let result = vec![("first".to_owned(), 23), ("last".to_owned(), 42)];
 
-        assert_eq!(super::from_bytes(b"first=23&last=42"),
-                   Ok(result));
+        assert_eq!(super::from_bytes(b"first=23&last=42"), Ok(result));
     }
 
     #[test]
     fn deserialize_str() {
         let result = vec![("first".to_owned(), 23), ("last".to_owned(), 42)];
 
-        assert_eq!(super::from_str("first=23&last=42"),
-                   Ok(result));
+        assert_eq!(super::from_str("first=23&last=42"), Ok(result));
     }
 
     #[test]
     fn deserialize_reader() {
         let result = vec![("first".to_owned(), 23), ("last".to_owned(), 42)];
 
-        assert_eq!(super::from_reader(b"first=23&last=42" as &[_]),
-                   Ok(result));
+        assert_eq!(super::from_reader(b"first=23&last=42" as &[_]), Ok(result));
     }
 
     #[test]
@@ -66,7 +63,7 @@ mod tests {
         let result = vec![
             ("one".to_owned(), X::A),
             ("two".to_owned(), X::B),
-            ("three".to_owned(), X::C)
+            ("three".to_owned(), X::C),
         ];
 
         assert_eq!(super::from_str("one=A&two=B&three=C"), Ok(result));
@@ -76,39 +73,49 @@ mod tests {
     fn serialize_option_map_int() {
         let params = &[("first", Some(23)), ("middle", None), ("last", Some(42))];
 
-        assert_eq!(super::to_string(params),
-                   Ok("first=23&last=42".to_owned()));
+        assert_eq!(super::to_string(params), Ok("first=23&last=42".to_owned()));
     }
 
     #[test]
     fn serialize_option_map_string() {
-        let params =
-            &[("first", Some("hello")), ("middle", None), ("last", Some("world"))];
+        let params = &[
+            ("first", Some("hello")),
+            ("middle", None),
+            ("last", Some("world")),
+        ];
 
-        assert_eq!(super::to_string(params),
-                   Ok("first=hello&last=world".to_owned()));
+        assert_eq!(
+            super::to_string(params),
+            Ok("first=hello&last=world".to_owned())
+        );
     }
 
     #[test]
     fn serialize_option_map_bool() {
         let params = &[("one", Some(true)), ("two", Some(false))];
 
-        assert_eq!(super::to_string(params),
-                   Ok("one=true&two=false".to_owned()));
+        assert_eq!(
+            super::to_string(params),
+            Ok("one=true&two=false".to_owned())
+        );
     }
 
     #[test]
     fn serialize_map_bool() {
         let params = &[("one", true), ("two", false)];
 
-        assert_eq!(super::to_string(params),
-                   Ok("one=true&two=false".to_owned()));
+        assert_eq!(
+            super::to_string(params),
+            Ok("one=true&two=false".to_owned())
+        );
     }
 
     #[test]
     fn serialize_unit_enum() {
         let params = &[("one", X::A), ("two", X::B), ("three", X::C)];
-        assert_eq!(super::to_string(params),
-                   Ok("one=A&two=B&three=C".to_owned()));
+        assert_eq!(
+            super::to_string(params),
+            Ok("one=A&two=B&three=C".to_owned())
+        );
     }
 }
diff --git a/src/serde_urlencoded/ser/key.rs b/src/serde_urlencoded/ser/key.rs
index 2d138f18..48497a55 100644
--- a/src/serde_urlencoded/ser/key.rs
+++ b/src/serde_urlencoded/ser/key.rs
@@ -1,5 +1,5 @@
-use super::super::ser::Error;
 use super::super::ser::part::Sink;
+use super::super::ser::Error;
 use serde::Serialize;
 use std::borrow::Cow;
 use std::ops::Deref;
@@ -34,21 +34,21 @@ pub struct KeySink<End> {
 }
 
 impl<End, Ok> KeySink<End>
-    where End: for<'key> FnOnce(Key<'key>) -> Result<Ok, Error>
+where
+    End: for<'key> FnOnce(Key<'key>) -> Result<Ok, Error>,
 {
     pub fn new(end: End) -> Self {
-        KeySink { end: end }
+        KeySink { end }
     }
 }
 
 impl<End, Ok> Sink for KeySink<End>
-    where End: for<'key> FnOnce(Key<'key>) -> Result<Ok, Error>
+where
+    End: for<'key> FnOnce(Key<'key>) -> Result<Ok, Error>,
 {
     type Ok = Ok;
 
-    fn serialize_static_str(self,
-                            value: &'static str)
-                            -> Result<Ok, Error> {
+    fn serialize_static_str(self, value: &'static str) -> Result<Ok, Error> {
         (self.end)(Key::Static(value))
     }
 
@@ -64,9 +64,7 @@ impl<End, Ok> Sink for KeySink<End>
         Err(self.unsupported())
     }
 
-    fn serialize_some<T: ?Sized + Serialize>(self,
-                                             _value: &T)
-                                             -> Result<Ok, Error> {
+    fn serialize_some<T: ?Sized + Serialize>(self, _value: &T) -> Result<Ok, Error> {
         Err(self.unsupported())
     }
 
diff --git a/src/serde_urlencoded/ser/mod.rs b/src/serde_urlencoded/ser/mod.rs
index f8d5e13e..b4022d56 100644
--- a/src/serde_urlencoded/ser/mod.rs
+++ b/src/serde_urlencoded/ser/mod.rs
@@ -49,7 +49,7 @@ pub struct Serializer<'output, Target: 'output + UrlEncodedTarget> {
 impl<'output, Target: 'output + UrlEncodedTarget> Serializer<'output, Target> {
     /// Returns a new `Serializer`.
     pub fn new(urlencoder: &'output mut UrlEncodedSerializer<Target>) -> Self {
-        Serializer { urlencoder: urlencoder }
+        Serializer { urlencoder }
     }
 }
 
@@ -137,7 +137,8 @@ pub struct StructVariantSerializer<'output, T: 'output + UrlEncodedTarget> {
 }
 
 impl<'output, Target> ser::Serializer for Serializer<'output, Target>
-    where Target: 'output + UrlEncodedTarget,
+where
+    Target: 'output + UrlEncodedTarget,
 {
     type Ok = &'output mut UrlEncodedSerializer<Target>;
     type Error = Error;
@@ -225,38 +226,29 @@ impl<'output, Target> ser::Serializer for Serializer<'output, Target>
     }
 
     /// Returns an error.
-    fn serialize_unit_struct(self,
-                             _name: &'static str)
-                             -> Result<Self::Ok, Error> {
+    fn serialize_unit_struct(self, _name: &'static str) -> Result<Self::Ok, Error> {
         Err(Error::top_level())
     }
 
     /// Returns an error.
-    fn serialize_unit_variant(self,
-                              _name: &'static str,
-                              _variant_index: u32,
-                              _variant: &'static str)
-                              -> Result<Self::Ok, Error> {
+    fn serialize_unit_variant(
+        self, _name: &'static str, _variant_index: u32, _variant: &'static str,
+    ) -> Result<Self::Ok, Error> {
         Err(Error::top_level())
     }
 
     /// Serializes the inner value, ignoring the newtype name.
-    fn serialize_newtype_struct<T: ?Sized + ser::Serialize>
-        (self,
-         _name: &'static str,
-         value: &T)
-         -> Result<Self::Ok, Error> {
+    fn serialize_newtype_struct<T: ?Sized + ser::Serialize>(
+        self, _name: &'static str, value: &T,
+    ) -> Result<Self::Ok, Error> {
         value.serialize(self)
     }
 
     /// Returns an error.
-    fn serialize_newtype_variant<T: ?Sized + ser::Serialize>
-        (self,
-         _name: &'static str,
-         _variant_index: u32,
-         _variant: &'static str,
-         _value: &T)
-         -> Result<Self::Ok, Error> {
+    fn serialize_newtype_variant<T: ?Sized + ser::Serialize>(
+        self, _name: &'static str, _variant_index: u32, _variant: &'static str,
+        _value: &T,
+    ) -> Result<Self::Ok, Error> {
         Err(Error::top_level())
     }
 
@@ -266,50 +258,43 @@ impl<'output, Target> ser::Serializer for Serializer<'output, Target>
     }
 
     /// Serializes the given value.
-    fn serialize_some<T: ?Sized + ser::Serialize>
-        (self,
-         value: &T)
-         -> Result<Self::Ok, Error> {
+    fn serialize_some<T: ?Sized + ser::Serialize>(
+        self, value: &T,
+    ) -> Result<Self::Ok, Error> {
         value.serialize(self)
     }
 
     /// Serialize a sequence, given length (if any) is ignored.
-    fn serialize_seq(self,
-                     _len: Option<usize>)
-                     -> Result<Self::SerializeSeq, Error> {
-        Ok(SeqSerializer { urlencoder: self.urlencoder })
+    fn serialize_seq(self, _len: Option<usize>) -> Result<Self::SerializeSeq, Error> {
+        Ok(SeqSerializer {
+            urlencoder: self.urlencoder,
+        })
     }
 
     /// Returns an error.
-    fn serialize_tuple(self,
-                       _len: usize)
-                       -> Result<Self::SerializeTuple, Error> {
-        Ok(TupleSerializer { urlencoder: self.urlencoder })
+    fn serialize_tuple(self, _len: usize) -> Result<Self::SerializeTuple, Error> {
+        Ok(TupleSerializer {
+            urlencoder: self.urlencoder,
+        })
     }
 
     /// Returns an error.
-    fn serialize_tuple_struct(self,
-                              _name: &'static str,
-                              _len: usize)
-                              -> Result<Self::SerializeTupleStruct, Error> {
+    fn serialize_tuple_struct(
+        self, _name: &'static str, _len: usize,
+    ) -> Result<Self::SerializeTupleStruct, Error> {
         Err(Error::top_level())
     }
 
     /// Returns an error.
-    fn serialize_tuple_variant
-        (self,
-         _name: &'static str,
-         _variant_index: u32,
-         _variant: &'static str,
-         _len: usize)
-         -> Result<Self::SerializeTupleVariant, Error> {
+    fn serialize_tuple_variant(
+        self, _name: &'static str, _variant_index: u32, _variant: &'static str,
+        _len: usize,
+    ) -> Result<Self::SerializeTupleVariant, Error> {
         Err(Error::top_level())
     }
 
     /// Serializes a map, given length is ignored.
-    fn serialize_map(self,
-                     _len: Option<usize>)
-                     -> Result<Self::SerializeMap, Error> {
+    fn serialize_map(self, _len: Option<usize>) -> Result<Self::SerializeMap, Error> {
         Ok(MapSerializer {
             urlencoder: self.urlencoder,
             key: None,
@@ -317,34 +302,33 @@ impl<'output, Target> ser::Serializer for Serializer<'output, Target>
     }
 
     /// Serializes a struct, given length is ignored.
-    fn serialize_struct(self,
-                        _name: &'static str,
-                        _len: usize)
-                        -> Result<Self::SerializeStruct, Error> {
-        Ok(StructSerializer { urlencoder: self.urlencoder })
+    fn serialize_struct(
+        self, _name: &'static str, _len: usize,
+    ) -> Result<Self::SerializeStruct, Error> {
+        Ok(StructSerializer {
+            urlencoder: self.urlencoder,
+        })
     }
 
     /// Returns an error.
-    fn serialize_struct_variant
-        (self,
-         _name: &'static str,
-         _variant_index: u32,
-         _variant: &'static str,
-         _len: usize)
-         -> Result<Self::SerializeStructVariant, Error> {
+    fn serialize_struct_variant(
+        self, _name: &'static str, _variant_index: u32, _variant: &'static str,
+        _len: usize,
+    ) -> Result<Self::SerializeStructVariant, Error> {
         Err(Error::top_level())
     }
 }
 
 impl<'output, Target> ser::SerializeSeq for SeqSerializer<'output, Target>
-    where Target: 'output + UrlEncodedTarget,
+where
+    Target: 'output + UrlEncodedTarget,
 {
     type Ok = &'output mut UrlEncodedSerializer<Target>;
     type Error = Error;
 
-    fn serialize_element<T: ?Sized + ser::Serialize>(&mut self,
-                                                     value: &T)
-                                                     -> Result<(), Error> {
+    fn serialize_element<T: ?Sized + ser::Serialize>(
+        &mut self, value: &T,
+    ) -> Result<(), Error> {
         value.serialize(pair::PairSerializer::new(self.urlencoder))
     }
 
@@ -354,14 +338,15 @@ impl<'output, Target> ser::SerializeSeq for SeqSerializer<'output, Target>
 }
 
 impl<'output, Target> ser::SerializeTuple for TupleSerializer<'output, Target>
-    where Target: 'output + UrlEncodedTarget,
+where
+    Target: 'output + UrlEncodedTarget,
 {
     type Ok = &'output mut UrlEncodedSerializer<Target>;
     type Error = Error;
 
-    fn serialize_element<T: ?Sized + ser::Serialize>(&mut self,
-                                                     value: &T)
-                                                     -> Result<(), Error> {
+    fn serialize_element<T: ?Sized + ser::Serialize>(
+        &mut self, value: &T,
+    ) -> Result<(), Error> {
         value.serialize(pair::PairSerializer::new(self.urlencoder))
     }
 
@@ -371,16 +356,16 @@ impl<'output, Target> ser::SerializeTuple for TupleSerializer<'output, Target>
 }
 
 impl<'output, Target> ser::SerializeTupleStruct
-    for
-    TupleStructSerializer<'output, Target>
-    where Target: 'output + UrlEncodedTarget,
+    for TupleStructSerializer<'output, Target>
+where
+    Target: 'output + UrlEncodedTarget,
 {
     type Ok = &'output mut UrlEncodedSerializer<Target>;
     type Error = Error;
 
-    fn serialize_field<T: ?Sized + ser::Serialize>(&mut self,
-                                                   value: &T)
-                                                   -> Result<(), Error> {
+    fn serialize_field<T: ?Sized + ser::Serialize>(
+        &mut self, value: &T,
+    ) -> Result<(), Error> {
         self.inner.serialize_field(value)
     }
 
@@ -390,16 +375,16 @@ impl<'output, Target> ser::SerializeTupleStruct
 }
 
 impl<'output, Target> ser::SerializeTupleVariant
-    for
-    TupleVariantSerializer<'output, Target>
-    where Target: 'output + UrlEncodedTarget,
+    for TupleVariantSerializer<'output, Target>
+where
+    Target: 'output + UrlEncodedTarget,
 {
     type Ok = &'output mut UrlEncodedSerializer<Target>;
     type Error = Error;
 
-    fn serialize_field<T: ?Sized + ser::Serialize>(&mut self,
-                                                   value: &T)
-                                                   -> Result<(), Error> {
+    fn serialize_field<T: ?Sized + ser::Serialize>(
+        &mut self, value: &T,
+    ) -> Result<(), Error> {
         self.inner.serialize_field(value)
     }
 
@@ -409,16 +394,15 @@ impl<'output, Target> ser::SerializeTupleVariant
 }
 
 impl<'output, Target> ser::SerializeMap for MapSerializer<'output, Target>
-    where Target: 'output + UrlEncodedTarget,
+where
+    Target: 'output + UrlEncodedTarget,
 {
     type Ok = &'output mut UrlEncodedSerializer<Target>;
     type Error = Error;
 
-    fn serialize_entry<K: ?Sized + ser::Serialize, V: ?Sized + ser::Serialize>
-        (&mut self,
-         key: &K,
-         value: &V)
-         -> Result<(), Error> {
+    fn serialize_entry<K: ?Sized + ser::Serialize, V: ?Sized + ser::Serialize>(
+        &mut self, key: &K, value: &V,
+    ) -> Result<(), Error> {
         let key_sink = key::KeySink::new(|key| {
             let value_sink = value::ValueSink::new(self.urlencoder, &key);
             value.serialize(part::PartSerializer::new(value_sink))?;
@@ -429,20 +413,20 @@ impl<'output, Target> ser::SerializeMap for MapSerializer<'output, Target>
         key.serialize(entry_serializer)
     }
 
-    fn serialize_key<T: ?Sized + ser::Serialize>(&mut self,
-                                                 key: &T)
-                                                 -> Result<(), Error> {
+    fn serialize_key<T: ?Sized + ser::Serialize>(
+        &mut self, key: &T,
+    ) -> Result<(), Error> {
         let key_sink = key::KeySink::new(|key| Ok(key.into()));
         let key_serializer = part::PartSerializer::new(key_sink);
         self.key = Some(key.serialize(key_serializer)?);
         Ok(())
     }
 
-    fn serialize_value<T: ?Sized + ser::Serialize>(&mut self,
-                                                   value: &T)
-                                                   -> Result<(), Error> {
+    fn serialize_value<T: ?Sized + ser::Serialize>(
+        &mut self, value: &T,
+    ) -> Result<(), Error> {
         {
-            let key = self.key.as_ref().ok_or_else(|| Error::no_key())?;
+            let key = self.key.as_ref().ok_or_else(Error::no_key)?;
             let value_sink = value::ValueSink::new(self.urlencoder, &key);
             value.serialize(part::PartSerializer::new(value_sink))?;
         }
@@ -456,15 +440,15 @@ impl<'output, Target> ser::SerializeMap for MapSerializer<'output, Target>
 }
 
 impl<'output, Target> ser::SerializeStruct for StructSerializer<'output, Target>
-    where Target: 'output + UrlEncodedTarget,
+where
+    Target: 'output + UrlEncodedTarget,
 {
     type Ok = &'output mut UrlEncodedSerializer<Target>;
     type Error = Error;
 
-    fn serialize_field<T: ?Sized + ser::Serialize>(&mut self,
-                                                   key: &'static str,
-                                                   value: &T)
-                                                   -> Result<(), Error> {
+    fn serialize_field<T: ?Sized + ser::Serialize>(
+        &mut self, key: &'static str, value: &T,
+    ) -> Result<(), Error> {
         let value_sink = value::ValueSink::new(self.urlencoder, key);
         value.serialize(part::PartSerializer::new(value_sink))
     }
@@ -475,17 +459,16 @@ impl<'output, Target> ser::SerializeStruct for StructSerializer<'output, Target>
 }
 
 impl<'output, Target> ser::SerializeStructVariant
-    for
-    StructVariantSerializer<'output, Target>
-    where Target: 'output + UrlEncodedTarget,
+    for StructVariantSerializer<'output, Target>
+where
+    Target: 'output + UrlEncodedTarget,
 {
     type Ok = &'output mut UrlEncodedSerializer<Target>;
     type Error = Error;
 
-    fn serialize_field<T: ?Sized + ser::Serialize>(&mut self,
-                                                   key: &'static str,
-                                                   value: &T)
-                                                   -> Result<(), Error> {
+    fn serialize_field<T: ?Sized + ser::Serialize>(
+        &mut self, key: &'static str, value: &T,
+    ) -> Result<(), Error> {
         self.inner.serialize_field(key, value)
     }
 
diff --git a/src/serde_urlencoded/ser/pair.rs b/src/serde_urlencoded/ser/pair.rs
index 37f98475..68db144f 100644
--- a/src/serde_urlencoded/ser/pair.rs
+++ b/src/serde_urlencoded/ser/pair.rs
@@ -1,7 +1,7 @@
-use super::super::ser::Error;
 use super::super::ser::key::KeySink;
 use super::super::ser::part::PartSerializer;
 use super::super::ser::value::ValueSink;
+use super::super::ser::Error;
 use serde::ser;
 use std::borrow::Cow;
 use std::mem;
@@ -14,18 +14,20 @@ pub struct PairSerializer<'target, Target: 'target + UrlEncodedTarget> {
 }
 
 impl<'target, Target> PairSerializer<'target, Target>
-    where Target: 'target + UrlEncodedTarget,
+where
+    Target: 'target + UrlEncodedTarget,
 {
     pub fn new(urlencoder: &'target mut UrlEncodedSerializer<Target>) -> Self {
         PairSerializer {
-            urlencoder: urlencoder,
+            urlencoder,
             state: PairState::WaitingForKey,
         }
     }
 }
 
 impl<'target, Target> ser::Serializer for PairSerializer<'target, Target>
-    where Target: 'target + UrlEncodedTarget,
+where
+    Target: 'target + UrlEncodedTarget,
 {
     type Ok = ();
     type Error = Error;
@@ -101,29 +103,22 @@ impl<'target, Target> ser::Serializer for PairSerializer<'target, Target>
         Err(Error::unsupported_pair())
     }
 
-    fn serialize_unit_variant(self,
-                              _name: &'static str,
-                              _variant_index: u32,
-                              _variant: &'static str)
-                              -> Result<(), Error> {
+    fn serialize_unit_variant(
+        self, _name: &'static str, _variant_index: u32, _variant: &'static str,
+    ) -> Result<(), Error> {
         Err(Error::unsupported_pair())
     }
 
-    fn serialize_newtype_struct<T: ?Sized + ser::Serialize>
-        (self,
-         _name: &'static str,
-         value: &T)
-         -> Result<(), Error> {
+    fn serialize_newtype_struct<T: ?Sized + ser::Serialize>(
+        self, _name: &'static str, value: &T,
+    ) -> Result<(), Error> {
         value.serialize(self)
     }
 
-    fn serialize_newtype_variant<T: ?Sized + ser::Serialize>
-        (self,
-         _name: &'static str,
-         _variant_index: u32,
-         _variant: &'static str,
-         _value: &T)
-         -> Result<(), Error> {
+    fn serialize_newtype_variant<T: ?Sized + ser::Serialize>(
+        self, _name: &'static str, _variant_index: u32, _variant: &'static str,
+        _value: &T,
+    ) -> Result<(), Error> {
         Err(Error::unsupported_pair())
     }
 
@@ -131,15 +126,11 @@ impl<'target, Target> ser::Serializer for PairSerializer<'target, Target>
         Ok(())
     }
 
-    fn serialize_some<T: ?Sized + ser::Serialize>(self,
-                                                  value: &T)
-                                                  -> Result<(), Error> {
+    fn serialize_some<T: ?Sized + ser::Serialize>(self, value: &T) -> Result<(), Error> {
         value.serialize(self)
     }
 
-    fn serialize_seq(self,
-                     _len: Option<usize>)
-                     -> Result<Self::SerializeSeq, Error> {
+    fn serialize_seq(self, _len: Option<usize>) -> Result<Self::SerializeSeq, Error> {
         Err(Error::unsupported_pair())
     }
 
@@ -151,56 +142,47 @@ impl<'target, Target> ser::Serializer for PairSerializer<'target, Target>
         }
     }
 
-    fn serialize_tuple_struct(self,
-                              _name: &'static str,
-                              _len: usize)
-                              -> Result<Self::SerializeTupleStruct, Error> {
+    fn serialize_tuple_struct(
+        self, _name: &'static str, _len: usize,
+    ) -> Result<Self::SerializeTupleStruct, Error> {
         Err(Error::unsupported_pair())
     }
 
-    fn serialize_tuple_variant
-        (self,
-         _name: &'static str,
-         _variant_index: u32,
-         _variant: &'static str,
-         _len: usize)
-         -> Result<Self::SerializeTupleVariant, Error> {
+    fn serialize_tuple_variant(
+        self, _name: &'static str, _variant_index: u32, _variant: &'static str,
+        _len: usize,
+    ) -> Result<Self::SerializeTupleVariant, Error> {
         Err(Error::unsupported_pair())
     }
 
-    fn serialize_map(self,
-                     _len: Option<usize>)
-                     -> Result<Self::SerializeMap, Error> {
+    fn serialize_map(self, _len: Option<usize>) -> Result<Self::SerializeMap, Error> {
         Err(Error::unsupported_pair())
     }
 
-    fn serialize_struct(self,
-                        _name: &'static str,
-                        _len: usize)
-                        -> Result<Self::SerializeStruct, Error> {
+    fn serialize_struct(
+        self, _name: &'static str, _len: usize,
+    ) -> Result<Self::SerializeStruct, Error> {
         Err(Error::unsupported_pair())
     }
 
-    fn serialize_struct_variant
-        (self,
-         _name: &'static str,
-         _variant_index: u32,
-         _variant: &'static str,
-         _len: usize)
-         -> Result<Self::SerializeStructVariant, Error> {
+    fn serialize_struct_variant(
+        self, _name: &'static str, _variant_index: u32, _variant: &'static str,
+        _len: usize,
+    ) -> Result<Self::SerializeStructVariant, Error> {
         Err(Error::unsupported_pair())
     }
 }
 
 impl<'target, Target> ser::SerializeTuple for PairSerializer<'target, Target>
-    where Target: 'target + UrlEncodedTarget,
+where
+    Target: 'target + UrlEncodedTarget,
 {
     type Ok = ();
     type Error = Error;
 
-    fn serialize_element<T: ?Sized + ser::Serialize>(&mut self,
-                                                     value: &T)
-                                                     -> Result<(), Error> {
+    fn serialize_element<T: ?Sized + ser::Serialize>(
+        &mut self, value: &T,
+    ) -> Result<(), Error> {
         match mem::replace(&mut self.state, PairState::Done) {
             PairState::WaitingForKey => {
                 let key_sink = KeySink::new(|key| Ok(key.into()));
@@ -209,7 +191,7 @@ impl<'target, Target> ser::SerializeTuple for PairSerializer<'target, Target>
                     key: value.serialize(key_serializer)?,
                 };
                 Ok(())
-            },
+            }
             PairState::WaitingForValue { key } => {
                 let result = {
                     let value_sink = ValueSink::new(self.urlencoder, &key);
@@ -219,10 +201,10 @@ impl<'target, Target> ser::SerializeTuple for PairSerializer<'target, Target>
                 if result.is_ok() {
                     self.state = PairState::Done;
                 } else {
-                    self.state = PairState::WaitingForValue { key: key };
+                    self.state = PairState::WaitingForValue { key };
                 }
                 result
-            },
+            }
             PairState::Done => Err(Error::done()),
         }
     }
diff --git a/src/serde_urlencoded/ser/part.rs b/src/serde_urlencoded/ser/part.rs
index 2ce352d2..4874dd34 100644
--- a/src/serde_urlencoded/ser/part.rs
+++ b/src/serde_urlencoded/ser/part.rs
@@ -1,4 +1,4 @@
-use ::serde;
+use serde;
 
 use super::super::dtoa;
 use super::super::itoa;
@@ -11,25 +11,22 @@ pub struct PartSerializer<S> {
 
 impl<S: Sink> PartSerializer<S> {
     pub fn new(sink: S) -> Self {
-        PartSerializer { sink: sink }
+        PartSerializer { sink }
     }
 }
 
 pub trait Sink: Sized {
     type Ok;
 
-    fn serialize_static_str(self,
-                            value: &'static str)
-                            -> Result<Self::Ok, Error>;
+    fn serialize_static_str(self, value: &'static str) -> Result<Self::Ok, Error>;
 
     fn serialize_str(self, value: &str) -> Result<Self::Ok, Error>;
     fn serialize_string(self, value: String) -> Result<Self::Ok, Error>;
     fn serialize_none(self) -> Result<Self::Ok, Error>;
 
-    fn serialize_some<T: ?Sized + serde::ser::Serialize>
-        (self,
-         value: &T)
-         -> Result<Self::Ok, Error>;
+    fn serialize_some<T: ?Sized + serde::ser::Serialize>(
+        self, value: &T,
+    ) -> Result<Self::Ok, Error>;
 
     fn unsupported(self) -> Error;
 }
@@ -46,7 +43,8 @@ impl<S: Sink> serde::ser::Serializer for PartSerializer<S> {
     type SerializeStructVariant = serde::ser::Impossible<S::Ok, Error>;
 
     fn serialize_bool(self, v: bool) -> Result<S::Ok, Error> {
-        self.sink.serialize_static_str(if v { "true" } else { "false" })
+        self.sink
+            .serialize_static_str(if v { "true" } else { "false" })
     }
 
     fn serialize_i8(self, v: i8) -> Result<S::Ok, Error> {
@@ -109,32 +107,25 @@ impl<S: Sink> serde::ser::Serializer for PartSerializer<S> {
     }
 
     fn serialize_unit_struct(self, name: &'static str) -> Result<S::Ok, Error> {
-        self.sink.serialize_static_str(name.into())
+        self.sink.serialize_static_str(name)
     }
 
-    fn serialize_unit_variant(self,
-                              _name: &'static str,
-                              _variant_index: u32,
-                              variant: &'static str)
-                              -> Result<S::Ok, Error> {
-        self.sink.serialize_static_str(variant.into())
+    fn serialize_unit_variant(
+        self, _name: &'static str, _variant_index: u32, variant: &'static str,
+    ) -> Result<S::Ok, Error> {
+        self.sink.serialize_static_str(variant)
     }
 
-    fn serialize_newtype_struct<T: ?Sized + serde::ser::Serialize>
-        (self,
-         _name: &'static str,
-         value: &T)
-         -> Result<S::Ok, Error> {
+    fn serialize_newtype_struct<T: ?Sized + serde::ser::Serialize>(
+        self, _name: &'static str, value: &T,
+    ) -> Result<S::Ok, Error> {
         value.serialize(self)
     }
 
-    fn serialize_newtype_variant<T: ?Sized + serde::ser::Serialize>
-        (self,
-         _name: &'static str,
-         _variant_index: u32,
-         _variant: &'static str,
-         _value: &T)
-         -> Result<S::Ok, Error> {
+    fn serialize_newtype_variant<T: ?Sized + serde::ser::Serialize>(
+        self, _name: &'static str, _variant_index: u32, _variant: &'static str,
+        _value: &T,
+    ) -> Result<S::Ok, Error> {
         Err(self.sink.unsupported())
     }
 
@@ -142,68 +133,55 @@ impl<S: Sink> serde::ser::Serializer for PartSerializer<S> {
         self.sink.serialize_none()
     }
 
-    fn serialize_some<T: ?Sized + serde::ser::Serialize>(self,
-                                                  value: &T)
-                                                  -> Result<S::Ok, Error> {
+    fn serialize_some<T: ?Sized + serde::ser::Serialize>(
+        self, value: &T,
+    ) -> Result<S::Ok, Error> {
         self.sink.serialize_some(value)
     }
 
-    fn serialize_seq(self,
-                     _len: Option<usize>)
-                     -> Result<Self::SerializeSeq, Error> {
+    fn serialize_seq(self, _len: Option<usize>) -> Result<Self::SerializeSeq, Error> {
         Err(self.sink.unsupported())
     }
 
-    fn serialize_tuple(self,
-                       _len: usize)
-                       -> Result<Self::SerializeTuple, Error> {
+    fn serialize_tuple(self, _len: usize) -> Result<Self::SerializeTuple, Error> {
         Err(self.sink.unsupported())
     }
 
-    fn serialize_tuple_struct(self,
-                              _name: &'static str,
-                              _len: usize)
-                              -> Result<Self::SerializeTuple, Error> {
+    fn serialize_tuple_struct(
+        self, _name: &'static str, _len: usize,
+    ) -> Result<Self::SerializeTuple, Error> {
         Err(self.sink.unsupported())
     }
 
-    fn serialize_tuple_variant
-        (self,
-         _name: &'static str,
-         _variant_index: u32,
-         _variant: &'static str,
-         _len: usize)
-         -> Result<Self::SerializeTupleVariant, Error> {
+    fn serialize_tuple_variant(
+        self, _name: &'static str, _variant_index: u32, _variant: &'static str,
+        _len: usize,
+    ) -> Result<Self::SerializeTupleVariant, Error> {
         Err(self.sink.unsupported())
     }
 
-    fn serialize_map(self,
-                     _len: Option<usize>)
-                     -> Result<Self::SerializeMap, Error> {
+    fn serialize_map(self, _len: Option<usize>) -> Result<Self::SerializeMap, Error> {
         Err(self.sink.unsupported())
     }
 
-    fn serialize_struct(self,
-                        _name: &'static str,
-                        _len: usize)
-                        -> Result<Self::SerializeStruct, Error> {
+    fn serialize_struct(
+        self, _name: &'static str, _len: usize,
+    ) -> Result<Self::SerializeStruct, Error> {
         Err(self.sink.unsupported())
     }
 
-    fn serialize_struct_variant
-        (self,
-         _name: &'static str,
-         _variant_index: u32,
-         _variant: &'static str,
-         _len: usize)
-         -> Result<Self::SerializeStructVariant, Error> {
+    fn serialize_struct_variant(
+        self, _name: &'static str, _variant_index: u32, _variant: &'static str,
+        _len: usize,
+    ) -> Result<Self::SerializeStructVariant, Error> {
         Err(self.sink.unsupported())
     }
 }
 
 impl<S: Sink> PartSerializer<S> {
     fn serialize_integer<I>(self, value: I) -> Result<S::Ok, Error>
-        where I: itoa::Integer,
+    where
+        I: itoa::Integer,
     {
         let mut buf = [b'\0'; 20];
         let len = itoa::write(&mut buf[..], value).unwrap();
@@ -212,7 +190,8 @@ impl<S: Sink> PartSerializer<S> {
     }
 
     fn serialize_floating<F>(self, value: F) -> Result<S::Ok, Error>
-        where F: dtoa::Floating,
+    where
+        F: dtoa::Floating,
     {
         let mut buf = [b'\0'; 24];
         let len = dtoa::write(&mut buf[..], value).unwrap();
diff --git a/src/serde_urlencoded/ser/value.rs b/src/serde_urlencoded/ser/value.rs
index ef63b010..3c47739f 100644
--- a/src/serde_urlencoded/ser/value.rs
+++ b/src/serde_urlencoded/ser/value.rs
@@ -1,32 +1,32 @@
-use super::super::ser::Error;
 use super::super::ser::part::{PartSerializer, Sink};
+use super::super::ser::Error;
 use serde::ser::Serialize;
 use std::str;
 use url::form_urlencoded::Serializer as UrlEncodedSerializer;
 use url::form_urlencoded::Target as UrlEncodedTarget;
 
 pub struct ValueSink<'key, 'target, Target>
-    where Target: 'target + UrlEncodedTarget,
+where
+    Target: 'target + UrlEncodedTarget,
 {
     urlencoder: &'target mut UrlEncodedSerializer<Target>,
     key: &'key str,
 }
 
 impl<'key, 'target, Target> ValueSink<'key, 'target, Target>
-    where Target: 'target + UrlEncodedTarget,
+where
+    Target: 'target + UrlEncodedTarget,
 {
-    pub fn new(urlencoder: &'target mut UrlEncodedSerializer<Target>,
-               key: &'key str)
-               -> Self {
-        ValueSink {
-            urlencoder: urlencoder,
-            key: key,
-        }
+    pub fn new(
+        urlencoder: &'target mut UrlEncodedSerializer<Target>, key: &'key str,
+    ) -> Self {
+        ValueSink { urlencoder, key }
     }
 }
 
 impl<'key, 'target, Target> Sink for ValueSink<'key, 'target, Target>
-    where Target: 'target + UrlEncodedTarget,
+where
+    Target: 'target + UrlEncodedTarget,
 {
     type Ok = ();
 
@@ -47,9 +47,9 @@ impl<'key, 'target, Target> Sink for ValueSink<'key, 'target, Target>
         Ok(())
     }
 
-    fn serialize_some<T: ?Sized + Serialize>(self,
-                                             value: &T)
-                                             -> Result<Self::Ok, Error> {
+    fn serialize_some<T: ?Sized + Serialize>(
+        self, value: &T,
+    ) -> Result<Self::Ok, Error> {
         value.serialize(PartSerializer::new(self))
     }
 
diff --git a/tests/test_client.rs b/tests/test_client.rs
index d128fa31..cf20fb8b 100644
--- a/tests/test_client.rs
+++ b/tests/test_client.rs
@@ -443,7 +443,12 @@ fn test_default_headers() {
         "\""
     )));
 
-    let request_override = srv.get().header("User-Agent", "test").header("Accept-Encoding", "over_test").finish().unwrap();
+    let request_override = srv
+        .get()
+        .header("User-Agent", "test")
+        .header("Accept-Encoding", "over_test")
+        .finish()
+        .unwrap();
     let repr_override = format!("{:?}", request_override);
     assert!(repr_override.contains("\"user-agent\": \"test\""));
     assert!(repr_override.contains("\"accept-encoding\": \"over_test\""));
diff --git a/tests/test_handlers.rs b/tests/test_handlers.rs
index bc65b93f..c86a3e9c 100644
--- a/tests/test_handlers.rs
+++ b/tests/test_handlers.rs
@@ -94,7 +94,7 @@ fn test_query_extractor() {
 #[derive(Deserialize, Debug)]
 pub enum ResponseType {
     Token,
-    Code
+    Code,
 }
 
 #[derive(Debug, Deserialize)]
@@ -122,13 +122,24 @@ fn test_query_enum_extractor() {
 
     // read response
     let bytes = srv.execute(response.body()).unwrap();
-    assert_eq!(bytes, Bytes::from_static(b"AuthRequest { id: 64, response_type: Code }"));
+    assert_eq!(
+        bytes,
+        Bytes::from_static(b"AuthRequest { id: 64, response_type: Code }")
+    );
 
-    let request = srv.get().uri(srv.url("/index.html?id=64&response_type=Co")).finish().unwrap();
+    let request = srv
+        .get()
+        .uri(srv.url("/index.html?id=64&response_type=Co"))
+        .finish()
+        .unwrap();
     let response = srv.execute(request.send()).unwrap();
     assert_eq!(response.status(), StatusCode::BAD_REQUEST);
 
-    let request = srv.get().uri(srv.url("/index.html?response_type=Code")).finish().unwrap();
+    let request = srv
+        .get()
+        .uri(srv.url("/index.html?response_type=Code"))
+        .finish()
+        .unwrap();
     let response = srv.execute(request.send()).unwrap();
     assert_eq!(response.status(), StatusCode::BAD_REQUEST);
 }