language: rust
rust:
- stable
- beta
- nightly
matrix:
allow_failures:
- rust: beta
- rust: nightly
dist: trusty
sudo: false
before_script:
# If an old version of rustfmt from cargo is already installed, uninstall
# it, since it can prevent the installation of the new version from rustup.
- cargo uninstall rustfmt || true
- cargo install --list
# If we're testing beta or nightly, we still need to install the stable
# toolchain so that we can run the stable version of rustfmt.
- rustup toolchain install stable
# Install the stable version of rustfmt.
- rustup component add --toolchain=stable rustfmt-preview
- rustup component list --toolchain=stable
- rustup show
- rustfmt +stable --version || echo fail
# Sometimes the component isn't actually ready after being installed, and
# rustup update makes it ready.
- rustup update
- rustfmt +stable --version
script: cargo test
cache:
cargo: true