language: rust
rust:
    - stable
cache:
  cargo: true
  timeout: 1200
addons:
  apt:
    packages:
      - unzip
before_install:
  # The Rust stable toolchain is already installed, ${RUST_NEXT} is added to
  # provide `cargo clippy` and `cargo fmt`.
  - rustup toolchain install ${RUST_NEXT}
  - rustup component add --toolchain=${RUST_NEXT} rustfmt-preview clippy-preview
  # Some symlinking is still necessary for clippy to function properly.
  - ln -sf ${HOME}/.rustup/toolchains/${RUST_NEXT}-x86_64-unknown-linux-gnu/bin/clippy-driver ${HOME}/.rustup/toolchains/${RUST_NEXT}-x86_64-unknown-linux-gnu/bin/cargo-clippy $HOME/.cargo/bin/
env:
  global:
    - RUST_BACKTRACE=1
    # Enables additional cpu-specific optimizations.
    - RUSTFLAGS="-D warnings -C target-cpu=native"
    # Note: `beta` should be removed along with `RUST_NEXT` after the 1.28
    #       stable release on 2018-09-13.
    - RUST_NEXT=beta
script:
  - cargo +${RUST_NEXT} clippy -- --deny clippy
  - cargo +${RUST_NEXT} clippy --tests --examples --benches -- --deny clippy
  - cargo +${RUST_NEXT} clippy --all-features -- --deny clippy
  - cargo +${RUST_NEXT} clippy --all-features --tests -- --deny clippy
  - cargo +${RUST_NEXT} fmt -- --check
  - cargo test --all-features --release