use external shared_failure crate

Cargo.lock

@@ -684,8 +684,9 @@ dependencies = [
 ]
 
 [[package]]
-name = "shared-failure"
+name = "shared_failure"
 version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "failure 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -711,7 +712,7 @@ dependencies = [
  "serde 1.0.27 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_derive 1.0.27 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "shared-failure 0.1.0",
+ "shared_failure 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog 2.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog-json 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-core 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1038,6 +1039,7 @@ dependencies = [
 "checksum serde_derive 1.0.27 (registry+https://github.com/rust-lang/crates.io-index)" = "f4ba7591cfe93755e89eeecdbcc668885624829b020050e6aec99c2a03bd3fd0"
 "checksum serde_derive_internals 0.19.0 (registry+https://github.com/rust-lang/crates.io-index)" = "6e03f1c9530c3fb0a0a5c9b826bdd9246a5921ae995d75f512ac917fc4dd55b5"
 "checksum serde_json 1.0.9 (registry+https://github.com/rust-lang/crates.io-index)" = "c9db7266c7d63a4c4b7fe8719656ccdd51acf1bed6124b174f933b009fb10bcb"
+"checksum shared_failure 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "95950ce835eb54ad4d85f5f597a3d7f78cb0f6622f65dabc2dac915d9edc404a"
 "checksum slab 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "17b4fcaed89ab08ef143da37bc52adbcc04d4a69014f4c1208d6b51f0c47bc23"
 "checksum slab 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "fdeff4cd9ecff59ec7e3744cbca73dfe5ac35c2aedb2cfba8a1c715a18912e9d"
 "checksum slog 2.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "0a6b13b17f4225771f7f15cece704a4e68d3a5f31278ed26367f497133398a18"

Cargo.toml

@@ -19,6 +19,7 @@ semver = { version = "0.9.0", features = ["serde"] }
 serde = "1.0.27"
 serde_derive = "1.0.27"
 serde_json = "1.0.9"
+shared_failure = "0.1.0"
 slog = "2.1.1"
 slog-json = "2.2.0"
 tokio-core = "0.1.12"
@@ -29,9 +30,5 @@ toml = "0.4.5"
 version = "0.2.0"
 path = "libs/badge"
 
-[dependencies.shared-failure]
-version = "0.1.0"
-path = "libs/shared-failure"
-
 [build-dependencies]
 sass-rs = "0.2.1"

libs/shared-failure/Cargo.toml

@@ -1,7 +0,0 @@
-[package]
-name = "shared-failure"
-version = "0.1.0"
-authors = ["Sam Rijs <srijs@airpost.net>"]
-
-[dependencies]
-failure = "0.1.1"

libs/shared-failure/src/lib.rs

@@ -1,37 +0,0 @@
-extern crate failure;
-
-use std::fmt::{Display, Formatter, Result as FmtResult};
-use std::sync::Arc;
-
-use failure::{Backtrace, Error, Fail};
-
-#[derive(Clone, Debug)]
-pub struct SharedFailure(Arc<Error>);
-
-impl SharedFailure {
-    pub fn downcast_ref<T: Fail>(&self) -> Option<&T> {
-        self.0.downcast_ref()
-    }
-}
-
-impl Fail for SharedFailure {
-    fn cause(&self) -> Option<&Fail> {
-        Some(self.0.cause())
-    }
-
-    fn backtrace(&self) -> Option<&Backtrace> {
-        Some(self.0.backtrace())
-    }
-}
-
-impl Display for SharedFailure {
-    fn fmt(&self, f: &mut Formatter) -> FmtResult {
-        self.0.fmt(f)
-    }
-}
-
-impl From<Error> for SharedFailure {
-    fn from(err: Error) -> SharedFailure {
-        SharedFailure(Arc::new(err))
-    }
-}