language: ruby rvm: - 2.3.8 - 2.5.4 - 2.6.3 gemfile: - gemfiles/activerecord_4.2.gemfile - gemfiles/activerecord_5.gemfile - gemfiles/activerecord_6.gemfile matrix: exclude: - rvm: 2.3.8 gemfile: gemfiles/activerecord_6.gemfile