language: ruby
sudo: false
cache: bundler
rvm:
  - 1.9.3
  - 2.0.0
  - 2.1.8
  - 2.2.4
  - 2.3.3
  - 2.4.0
  - ruby-head
gemfile:
  - gemfiles/rails32.gemfile
  - gemfiles/rails40.gemfile
  - gemfiles/rails41.gemfile
  - gemfiles/rails42.gemfile
  - gemfiles/rails50.gemfile
matrix:
  allow_failures:
    - rvm: 1.9.3
    - rvm: ruby-head
  fast_finish: true
  exclude:
    - rvm: 1.9.3
      gemfile: gemfiles/rails50.gemfile
    - rvm: 2.0.0
      gemfile: gemfiles/rails50.gemfile
    - rvm: 2.1.8
      gemfile: gemfiles/rails50.gemfile
    - rvm: 2.4.0
      gemfile: gemfiles/rails41.gemfile
    - rvm: 2.4.0
      gemfile: gemfiles/rails42.gemfile
notifications:
  email:
    - false

language: ruby
sudo: false
cache: bundler
rvm:
  - 1.9.3
  - 2.0.0
  - 2.1.8
  - 2.2.4
  - 2.3.3
  - 2.4.0
  - ruby-head
gemfile:
  - gemfiles/rails32.gemfile
  - gemfiles/rails40.gemfile
  - gemfiles/rails41.gemfile
  - gemfiles/rails42.gemfile
  - gemfiles/rails50.gemfile
matrix:
  allow_failures:
    - rvm: 1.9.3
    - rvm: ruby-head
  fast_finish: true
  exclude:
    - rvm: 1.9.3
      gemfile: gemfiles/rails50.gemfile
    - rvm: 2.0.0
      gemfile: gemfiles/rails50.gemfile
    - rvm: 2.1.8
      gemfile: gemfiles/rails50.gemfile
notifications:
  email:
    - false

Revert "Travis: Ruby 2.4 と Rails 4.1, 4.2 の組み合わせのテストを一時的に除外"
Revert "Travis: Ruby 2.4 と Rails 4.1, 4.2 の組み合わせのテストを一時的に除外"

This reverts commit 1128b01d82169b260282d521492225bdcfdd7d83.

json gem 1.8.6 でインストールできない不具合が解消した
