language: ruby
bundler_args: --without debug
rvm:
  - 2.2.4
  - 2.3.1
  - 2.4.1
  - 2.5.1
  - ruby-head
  - jruby-head
  - rbx-3
cache: bundler
before_install:
  - gem update bundler
before_script:
  - support/travis.sh
dist: trusty