rails/arel — pull request #114 by benmoss (2012-03-31 22:44:39+00:00)
Title: Update travis.yml to use the right Rubinius versions

It looks like "rbx" and "rbx-2.0" are no longer supported on Travis, in favor of "rbx-18mode" and "rbx-19mode".

http://about.travis-ci.org/docs/user/ci-environment/

rbx-19 is incidentally failing, due to something upstream with Hoe.