sudo: required
language: rust
rust:
  - stable
  - beta
  - nightly
os:
 - osx
 - linux
matrix:
  allow_failures:
    - rust: nightly
# Only build direct changes to master branch.  PRs still built.
branches:
  only:
    - "master"
osx_image: xcode8.3
install:
- curl https://static.rust-lang.org/rustup.sh |
    sh -s -- --prefix=$HOME/rust