Auto merge of #2991 - matklad:deadlocks, r=alexcrichton
authorbors <bors@rust-lang.org>
Mon, 15 Aug 2016 21:13:39 +0000 (14:13 -0700)
committerGitHub <noreply@github.com>
Mon, 15 Aug 2016 21:13:39 +0000 (14:13 -0700)
Deadlocks with git dependencies

Only a test for now to verify that it actually fails on Travis.

Hopefully will close #2987


Trivial merge