.travis.yml

language: rust

cache:
  directories:
    - /home/travis/.cargo

before_cache:
  - rm -rf /home/travis/.cargo/registry

rust:
  - stable
  - beta
  - nightly

env:
os:
  - linux
  - osx

matrix:
  allow_failures:
    - rust: nightly
  fast_finish: true
  include:
    - rust: stable
      env: NAME='linting'
      before_script:
        - rustup component add rustfmt-preview
        - rustup component add clippy-preview
      script:
        - cargo fmt --all -- --check
        - cargo clippy

    - env: NAME='cargo-travis'
      sudo: required # travis-ci/travis-ci#9061
      before_script:
        - cargo install cargo-update || echo "cargo-update already installed"
        - cargo install cargo-travis || echo "cargo-travis already installed"
        - cargo install-update -a
      script: # rm lock file https://github.com/rust-lang/rust/issues/67423
        - |
          cargo build --verbose &&
          rm -rf Cargo.lock &&
          cargo coverage --verbose &&
          bash <(curl -s https://codecov.io/bash) -s target/kcov
      addons: # required for kcov
        apt:
          packages:
            - libcurl4-openssl-dev
            - libelf-dev
            - libdw-dev
            - binutils-dev
            - cmake