.travis.yml

language: rust
sudo: false

rust:
# Explicitly test against minimum Rust version to avoid accidentally breaking
# compatibility.
- 1.25.0
- stable
- beta
- nightly
env:
- FEATURE_ARGS=""
- FEATURE_ARGS="--lib --no-default-features"
- FEATURE_ARGS="--features alloc --lib --no-default-features"

matrix:
  include:
  # `rustfmt` verification.
  - rust: stable
    before_script:
    - rustup component add rustfmt
    script:
    - cargo fmt -- --check
  # `clippy` lint tests.
  - rust: stable
    before_script:
    - rustup component add clippy
    script:
    - cargo clippy -- -Dwarnings
  - rust: nightly
    env: FEATURE_ARGS="--features unstable"
  - rust: nightly
    env: FEATURE_ARGS="--features unstable --lib --no-default-features"
  - rust: nightly
    env: FEATURE_ARGS="--features alloc,unstable --lib --no-default-features"
  exclude:
  - rust: 1.25.0
    env: FEATURE_ARGS="--features alloc --lib --no-default-features"

script:
- cargo test $FEATURE_ARGS --verbose
- cargo test $FEATURE_ARGS --verbose --release

notifications:
  email:
    on_success: never