Auto merge of #4345 - froydnj:use-noop-more, r=alexcrichton
authorbors <bors@rust-lang.org>
Mon, 31 Jul 2017 21:31:02 +0000 (21:31 +0000)
committerbors <bors@rust-lang.org>
Mon, 31 Jul 2017 21:31:02 +0000 (21:31 +0000)
use Work::noop() more

Using Work::noop() in these places is clearer.


Trivial merge