language: rust
rust:
    - stable
    - beta
    - nightly
matrix:
    allow_failures:
        - rust: nightly
notifications:
    email: no

language: rust
rust:
    - stable
    - beta
    - nightly
    - 1.15.0 # Minimum supported version
matrix:
    allow_failures:
        - rust: nightly
notifications:
    email: no

Add testing via TravisCI on the minimum supported version of rustc
Add testing via TravisCI on the minimum supported version of rustc
