Merge #56

56: Remove #[deny(warnings)] r=jonas-schievink a=eldruin

`#[deny(warnings)]` is considered an [anti-pattern](https://github.com/rust-unofficial/patterns/blob/master/anti_patterns/deny-warnings.md).

Co-authored-by: Diego Barrios Romero <eldruin@gmail.com>

Author: bors[bot]

.travis.yml

@@ -1,5 +1,9 @@
 language: rust
 
+env:
+  global:
+    - RUSTFLAGS="-D warnings"
+
 matrix:
   include:
     - env: TARGET=x86_64-unknown-linux-gnu

src/lib.rs

@@ -181,7 +181,6 @@
 
 #![cfg_attr(feature = "inline-asm", feature(llvm_asm))]
 #![deny(missing_docs)]
-#![deny(warnings)]
 #![no_std]
 
 #[macro_use]