dist: trusty
sudo: false
group: beta
language: ruby
cache: bundler
before_install:
  # bundler installation needed for jruby-head
  # https://github.com/travis-ci/travis-ci/issues/5861
  - gem update --system
branches:
  only:
    - "master"
rvm:
  - 2.2.9
  - 2.3.6
  - 2.4.3
  - 2.5.0
  - ruby-head
  - jruby-9.1.15.0
  - jruby-head
  - rbx-3
matrix:
  fast_finish: true
  allow_failures:
    - rvm: jruby-head
    - rvm: rbx-3
    - rvm: ruby-head
env:
  global:
    - TESTOPTS="-v"