language: elixir
elixir:
  - 1.7.4
  - 1.8.2
  - 1.9.0
otp_release:
  - 20.3
  - 20.3
  - 22.0
sudo: false
cache:
  directories:
    - _build
    - deps
script:
  - travis_wait mix dialyzer --plt
  - mix test