Merge #198

198: Add MSRV configuration to CI r=therealprof a=eldruin

The compatibility with the MSRV should be checked by the CI. At the moment that is Rust 1.35.0 due to [this issue](rust-lang/rust#54973).
The MSRV and its update process should probably also be documented in the README.

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

Author: bors[bot]

.travis.yml

@@ -17,6 +17,11 @@ matrix:
       rust: nightly
       if: (branch = staging OR branch = trying) OR (type = pull_request AND branch = master)
 
+    # Minimum supported Rust version
+    - env: TARGET=x86_64-unknown-linux-gnu
+      rust: 1.35.0
+      if: (branch = staging OR branch = trying) OR (type = pull_request AND branch = master)
+
 before_install: set -e
 
 install:

README.md

@@ -43,6 +43,11 @@ list.
 
 [awesome-embedded-rust]: https://github.com/rust-embedded/awesome-embedded-rust#driver-crates
 
+# Minimum Supported Rust Version (MSRV)
+
+This crate is guaranteed to compile on stable Rust 1.35 and up. It *might*
+compile with older versions but that may change in any new patch release.
+
 ## License
 
 Licensed under either of