language: rust
rust:
  - stable
env:
  - RUST_BACKTRACE=1
cache:
  directories:
    - /home/travis/.cargo
before_cache:
  - cargo cache -r registry
before_script:
  - rustup component add rustfmt
  - (test -x $HOME/.cargo/bin/cargo-cache || cargo install cargo-cache)
script:
  - cargo fmt --all -- --check
  - cargo test --no-default-features
  - cargo test --no-default-features --features alloc
  - cargo test --all-targets --all-features