Get some more diagnostic output on Travis.
Get some more diagnostic output on Travis.

nedbat/coveragepy,hugovk/coveragepy,larsbutler/coveragepy,jayhetee/coveragepy,7WebPages/coveragepy,blueyed/coveragepy,nedbat/coveragepy,blueyed/coveragepy,larsbutler/coveragepy,7WebPages/coveragepy,blueyed/coveragepy,jayhetee/coveragepy,hugovk/coveragepy,hugovk/coveragepy,jayhetee/coveragepy,7WebPages/coveragepy,larsbutler/coveragepy,hugovk/coveragepy,blueyed/coveragepy,nedbat/coveragepy,larsbutler/coveragepy,jayhetee/coveragepy,nedbat/coveragepy,jayhetee/coveragepy,7WebPages/coveragepy,nedbat/coveragepy,blueyed/coveragepy,larsbutler/coveragepy,hugovk/coveragepy