Rust travis.yml

sudo: required
language: rust

# Cache cargo symbols for faster build
cache: cargo

# Dependencies of kcov, used by coverage
addons:
  apt:
    packages:
      - libcurl4-openssl-dev
      - libelf-dev
      - libdw-dev
      - binutils-dev
      - cmake # also required for cargo-update
    sources:
      - kalakris-cmake

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

before_script:
  - export PATH=$HOME/.cargo/bin:$PATH
  - rustup component add rustfmt-preview
  - rustup component add clippy-preview
  - cargo install cargo-update || echo "cargo-update already installed"
  - cargo install cargo-travis || echo "cargo-travis already installed"
  - cargo install-update -a # update outdated cached binaries  
script:
  - cargo test
  - cargo fmt -- --check
  - cargo clippy -- -D warnings

after_success:
# measure code coverage and upload to coveralls.io
  - cargo coveralls