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Remove unused feature, allowing compilation on stable again. 

There is no evidence that [optin_builtin_traits](https://doc.rust-lang.org/beta/unstable-book/language-features/optin-builtin-traits.html) are used any longer (the keyword `auto` does not even show up in the codebase).

Removing this features allow compilation on stable Rust 1.27 and possible earlier versions.
This commit is contained in:
Marc Brinkmann 2018-07-01 18:09:21 +02:00
parent fd6fefc24b
commit a6c920e88e
1 changed files with 0 additions and 1 deletions
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src/lib.rs
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@ -89,7 +89,6 @@
//! If `serialization-protobuf` is enabled, the message types support serialization with [Google
//! protocol buffers](https://developers.google.com/protocol-buffers/docs/overview).
#![feature(optin_builtin_traits)]
// TODO: Remove this once https://github.com/rust-lang-nursery/error-chain/issues/245 is resolved.
#![allow(renamed_and_removed_lints)]