language: ruby
rvm:
  # No Enumerator#size in 1.9.3
  # No Set#intersect? in 2.0.0 https://bugs.ruby-lang.org/issues/6588
  - 2.1.0
  - 2.2.0

sudo: false
language: ruby
cache: bundler
rvm:
  # No Enumerator#size in 1.9.3
  # No Set#intersect? in 2.0.0 https://bugs.ruby-lang.org/issues/6588
  - 2.1.0
  - 2.2.0

Use container-based infrastructure, and turn on caching
Travis: Use container-based infrastructure, and turn on caching
