sudo: false
language: ruby
rvm:
  - 2.4
  - ruby-head
  - jruby
  - jruby-head
matrix:
  allow_failures:
  # Even `rvm use jruby` does not work reliably on Travis:
  # https://travis-ci.org/ruby/ipaddr/jobs/277222999
  - rvm: jruby
  - rvm: jruby-head
before_install: gem install bundler
