dist: trusty
language: ruby
script: "bundle exec rake"
rvm:
  - 2.1
  - 2.2
  - 2.3
  - 2.4
  - 2.5
  - ruby-head
  - jruby-9.1.9.0 # https://github.com/travis-ci/travis-ci/issues/8446
  - jruby-head
  - rbx-3

matrix:
  allow_failures:
    - rvm: ruby-head
    - rvm: jruby-head
    - rvm: rbx-3