Workaround for a deprecation in error_chain!

Author: dwijnand

src/download/src/lib.rs

@@ -3,6 +3,7 @@
 use std::path::Path;
 use url::Url;
 
+#[allow(deprecated)] // WORKAROUND https://github.com/rust-lang-nursery/error-chain/issues/254
 mod errors;
 pub use crate::errors::*;
 

src/rustup-cli/main.rs

@@ -18,6 +18,7 @@
 mod log;
 mod common;
 mod download_tracker;
+#[allow(deprecated)] // WORKAROUND https://github.com/rust-lang-nursery/error-chain/issues/254
 mod errors;
 mod help;
 mod job;

src/rustup-dist/src/lib.rs

@@ -9,6 +9,7 @@ pub mod component;
 pub mod config;
 pub mod dist;
 pub mod download;
+#[allow(deprecated)] // WORKAROUND https://github.com/rust-lang-nursery/error-chain/issues/254
 pub mod errors;
 pub mod manifest;
 pub mod manifestation;

src/rustup-utils/src/lib.rs

@@ -1,5 +1,6 @@
 #![recursion_limit = "1024"] // for error_chain!
 
+#[allow(deprecated)] // WORKAROUND https://github.com/rust-lang-nursery/error-chain/issues/254
 pub mod errors;
 pub mod notifications;
 pub mod raw;

src/rustup/lib.rs

@@ -50,6 +50,7 @@ fn component_for_bin(binary: &str) -> Option<&'static str> {
 pub mod command;
 mod config;
 pub mod env_var;
+#[allow(deprecated)] // WORKAROUND https://github.com/rust-lang-nursery/error-chain/issues/254
 mod errors;
 mod install;
 mod notifications;