language: rust

cache: cargo

before_cache: |
    cargo install cargo-tarpaulin
    cargo install cargo-update
    cargo install-update --all


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


rust:
  - stable
  - beta
  - nightly
matrix:
  allow_failures:
    - rust: nightly

script:
- cargo clean
- cargo build
- cargo test

after_success: |
  # this does require a -Z flag for Doctests, which is unstable!
  if [[ "$TRAVIS_RUST_VERSION" == nightly ]]; then
    cargo tarpaulin --run-types Tests Doctests --out Xml
    bash <(curl -s https://codecov.io/bash)
  fi