language: rust
rust:
  - stable
  - beta
  - nightly
matrix:
  allow_failures:
    - rust: nightly
language: rust
rust:
  - stable
  - beta
  - nightly
matrix:
  allow_failures:
    - rust: stable
    - rust: beta
    # stables and betas are allowed to fail because the project used #![feature]
Allow stables and betas to fail the build
Allow stables and betas to fail the build
