language: ruby
before_install:
  - gem install bundler --version="~> 1.10"
cache: bundler
rvm:
  - 1.9.3
  - 2.0.0
  - 2.1.8
  - 2.2.4
  - 2.3.0

language: ruby
sudo: false
before_install:
  - gem install bundler --version="~> 1.10"
bundler_args: --without guard
cache: bundler
rvm:
  - 1.9.3
  - 2.0.0
  - 2.1.8
  - 2.2.4
  - 2.3.0

Speed up our Travis build
Speed up our Travis build

...by switching to their container-based architecture, and not installing guard gems.
