version: 2
jobs:
  build:
    docker:
      - image: rust
    steps:
      - checkout
      - restore_cache:
          keys:
            - cache-{{ checksum "circle.yml" }}
      - run:
          name: Install Dependencies
          command: |
            rustup install stable nightly
            rustup default stable
            rustup component add rustfmt-preview
            cargo +nightly install clippy --force
      - save_cache:
          key: cache-{{ checksum "circle.yml" }}
          paths:
            - /usr/local/cargo
      - run:
          name: Check Code Style
          command: cargo fmt -- --error-on-unformatted --write-mode diff
      - run:
          name: Run Clippy Lints
          command: cargo +nightly clippy
      - run:
          name: Run Test Suite
          command: cargo test