language: ruby
matrix:
  fast_finish: true
  include:
    - os: linux
      dist: xenial
      rvm: 3.4-preview2
    - os: linux
      dist: xenial
      rvm: 3.3
    - os: linux
      dist: xenial
      rvm: 3.2
    - os: linux
      dist: xenial
      rvm: 3.1
    - os: linux
      dist: xenial
      rvm: 3.0
    - os: linux
      dist: xenial
      rvm: 2.7
    - os: linux
      dist: xenial
      rvm: 2.6
    - os: linux
      dist: xenial
      rvm: 2.5
    - os: linux
      dist: xenial
      rvm: 2.4
    - os: linux
      dist: xenial
      rvm: 2.3
    - os: linux
      dist: xenial
      rvm: 2.2
    - os: linux
      dist: xenial
      rvm: 2.1
    - os: linux
      dist: bionic
      rvm: 3.4-preview2
    - os: linux
      dist: bionic
      rvm: 3.3
    - os: linux
      dist: bionic
      rvm: 3.2
    - os: linux
      dist: bionic
      rvm: 3.1
    - os: linux
      dist: bionic
      rvm: 3.0
    - os: linux
      dist: bionic
      rvm: 2.7
    - os: linux
      dist: bionic
      rvm: 2.6
    - os: linux
      dist: bionic
      rvm: 2.5
    - os: linux
      dist: bionic
      rvm: 2.4
    - os: linux
      dist: bionic
      rvm: 2.3
    - os: linux
      dist: focal
      rvm: 3.4-preview2
    - os: linux
      dist: focal
      rvm: 3.3
    - os: linux
      dist: focal
      rvm: 3.2
    - os: linux
      dist: focal
      rvm: 3.1
    - os: linux
      dist: focal
      rvm: 3.0
    - os: linux
      dist: focal
      rvm: 2.7
    - os: linux
      dist: focal
      rvm: 2.6
    - os: linux
      dist: focal
      rvm: 2.5
    - os: linux
      dist: focal
      rvm: 2.4
    - os: osx
      osx_image: xcode11.3
      rvm: 3.4-preview2
    - os: osx
      osx_image: xcode11.3
      rvm: 3.3
    - os: osx
      osx_image: xcode11.3
      rvm: 3.2
    - os: osx
      osx_image: xcode11.3
      rvm: 3.1
    - os: osx
      osx_image: xcode11.3
      rvm: 3.0
    - os: osx
      osx_image: xcode11.3
      rvm: 2.7
    - os: osx
      osx_image: xcode11.3
      rvm: 2.6
    - os: osx
      osx_image: xcode11.3
      rvm: 2.5
    - os: osx
      osx_image: xcode11.3
      rvm: 2.4
    - os: osx
      osx_image: xcode12.2
      rvm: 3.4-preview2
    - os: osx
      osx_image: xcode12.2
      rvm: 3.3
    - os: osx
      osx_image: xcode12.2
      rvm: 3.2
    - os: osx
      osx_image: xcode12.2
      rvm: 3.1
    - os: osx
      osx_image: xcode12.2
      rvm: 3.0
    - os: osx
      osx_image: xcode12.2
      rvm: 2.7
    - os: osx
      osx_image: xcode12.2
      rvm: 2.6
    - os: osx
      osx_image: xcode12.2
      rvm: 2.5
    - os: osx
      osx_image: xcode12.2
      rvm: 2.4
    - os: osx
      osx_image: xcode12.2
      rvm: ruby-head