version: 2.0

jobs:
  build_stable:
    docker:
      - image: debian
    steps:
      - restore_cache:
          key: rust
      - checkout
      - run: ~/.circleci/run-tests.sh
      - save_cache:
          key: rustup
          paths:
            - ~/.rustup
            - ~/.cargo

  build_beta:
    docker:
      - image: debian
    steps:
      - restore_cache:
          key: rust
      - checkout
      - run: ~/.circleci/run-tests.sh
      - save_cache:
          key: rustup
          paths:
            - ~/.rustup
            - ~/.cargo

  build_nightly:
    docker:
      - image: debian
    steps:
      - restore_cache:
          key: rust
      - checkout
      - run: ~/.circleci/run-tests.sh
      - save_cache:
          key: rustup
          paths:
            - ~/.rustup
            - ~/.cargo

workflows:
  version: 2
  build:
    jobs:
      build_stable:
        filters:
          tags:
            ignore: /*/
      build_beta:
        filters:
          tags:
            ignore: /*/
      build_nightly:
        filters:
          tags:
            ignore: /*/