scalaz/scalaz — pull request #500 by S11001001 (2013-08-30 02:35:46+00:00)
Title: Test binary compatibility with releases after 7.0.0.

It's possible to introduce a change binary-incompatible with, say, 7.0.3, but not 7.0.0. This change catches those too.

Assuming I'm guessing right about travis syntax. It works great in Bash.