Auto merge of #3590 - dgellow:fix-3536, r=alexcrichton
authorbors <bors@rust-lang.org>
Fri, 27 Jan 2017 21:35:09 +0000 (21:35 +0000)
committerbors <bors@rust-lang.org>
Fri, 27 Jan 2017 21:35:09 +0000 (21:35 +0000)
When an error occured in a JobQueue print it directly

Fix #3536


Trivial merge