language: ruby
rvm:
  - 2.0
  - 2.1
  - 2.2
  - 2.3
  - 2.4
  - 2.5
  - 2.6
  - ruby-head
bundler_args: "--jobs=2"
before_install:
  - gem install bundler --no-document
script: bundle exec rspec
branches:
  only:
    - master
notifications:
  email: false
  slack:
    secure: A2NfkamFIfgKSrV3KFMW+vYsCt9H9WgXJf6A4T+aAi8d/2WjeXbl0jB7FYBT8ut1Xgi43TrmoqDqvWSv9ly7yc0qFfIG4dtb8THmUJ+P11UDWPQXt40IFX/zX8ueQs9MA8h1sgtPyvenM7pRpKG+r6ooRHErPcYpx0zCb6JbDhY=
matrix:
  allow_failures:
    - rvm: ruby-head
  include:
    - rvm: 2.6
      env: RUBYOPT="--jit"
    - rvm: ruby-head
      env: RUBYOPT="--jit"
  

language: ruby
rvm:
  - 2.0
  - 2.1
  - 2.2
  - 2.3
  - 2.4
  - 2.5
  - 2.6
  - ruby-head
bundler_args: "--jobs=2"
before_install:
  - travis_retry gem update --system || travis_retry gem update --system 2.7.8
  - travis_retry gem install bundler --no-document || travis_retry gem install bundler --no-document -v 1.17.3
script: bundle exec rspec
branches:
  only:
    - master
notifications:
  email: false
  slack:
    secure: A2NfkamFIfgKSrV3KFMW+vYsCt9H9WgXJf6A4T+aAi8d/2WjeXbl0jB7FYBT8ut1Xgi43TrmoqDqvWSv9ly7yc0qFfIG4dtb8THmUJ+P11UDWPQXt40IFX/zX8ueQs9MA8h1sgtPyvenM7pRpKG+r6ooRHErPcYpx0zCb6JbDhY=
matrix:
  allow_failures:
    - rvm: ruby-head
  include:
    - rvm: 2.6
      env: RUBYOPT="--jit"
    - rvm: ruby-head
      env: RUBYOPT="--jit"
  

Fix CI for bundler v2
Fix CI for bundler v2