actix-http: Remove failure support (#1449)

Cargo.toml

@@ -42,7 +42,7 @@ members = [
 ]
 
 [features]
-default = ["compress", "failure"]
+default = ["compress"]
 
 # content-encoding support
 compress = ["actix-http/compress", "awc/compress"]
@@ -50,8 +50,6 @@ compress = ["actix-http/compress", "awc/compress"]
 # sessions feature, session require "ring" crate and c compiler
 secure-cookies = ["actix-http/secure-cookies"]
 
-failure = ["actix-http/failure"]
-
 # openssl
 openssl = ["actix-tls/openssl", "awc/openssl", "open-ssl"]
 

actix-http/CHANGES.md

@@ -5,6 +5,8 @@
 ### Changed
 
 * Implement `std::error::Error` for our custom errors [#1422]
+* Remove `failure` support for `ResponseError` since that crate
+  will be deprecated in the near future.
 
 [#1422]: https://github.com/actix/actix-web/pull/1422
 

actix-http/Cargo.toml

@@ -15,7 +15,7 @@ license = "MIT/Apache-2.0"
 edition = "2018"
 
 [package.metadata.docs.rs]
-features = ["openssl", "rustls", "failure", "compress", "secure-cookies","actors"]
+features = ["openssl", "rustls", "compress", "secure-cookies", "actors"]
 
 [lib]
 name = "actix_http"
@@ -33,9 +33,6 @@ rustls = ["actix-tls/rustls", "actix-connect/rustls"]
 # enable compressison support
 compress = ["flate2", "brotli2"]
 
-# failure integration. actix does not use failure anymore
-failure = ["fail-ure"]
-
 # support for secure cookies
 secure-cookies = ["ring"]
 
@@ -89,9 +86,6 @@ ring = { version = "0.16.9", optional = true }
 brotli2 = { version="0.3.2", optional = true }
 flate2 = { version = "1.0.13", optional = true }
 
-# optional deps
-fail-ure = { version = "0.1.5", package="failure", optional = true }
-
 [dev-dependencies]
 actix-server = "1.0.1"
 actix-connect = { version = "2.0.0-alpha.2", features=["openssl"] }

actix-http/src/error.rs

@@ -34,7 +34,7 @@ pub type Result<T, E = Error> = result::Result<T, E>;
 
 /// General purpose actix web error.
 ///
-/// An actix web error is used to carry errors from `failure` or `std::error`
+/// An actix web error is used to carry errors from `std::error`
 /// through actix in a convenient way.  It can be created through
 /// converting errors with `into()`.
 ///
@@ -950,10 +950,6 @@ where
     InternalError::new(err, StatusCode::NETWORK_AUTHENTICATION_REQUIRED).into()
 }
 
-#[cfg(feature = "failure")]
-/// Compatibility for `failure::Error`
-impl ResponseError for fail_ure::Error {}
-
 #[cfg(feature = "actors")]
 /// `InternalServerError` for `actix::MailboxError`
 /// This is supported on feature=`actors` only