jnicklas/capybara — pull request #669 by joliss (2012-03-17 17:54:25+00:00)
Title: Remove rbx-18mode from Travis build matrix

Something seems to go wrong, perhaps with the RSpec exit handler:
http://travis-ci.org/#!/jnicklas/capybara/jobs/887918

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I'm not in the mood for tracking this down, especially since it affects the tests only, and I've never seen anybody complain about Rubinius support. So unless someone else is volunteering, I say we go the easy route and remove it from the build.