Auto merge of #4472 - alexcrichton:update, r=matklad
authorbors <bors@rust-lang.org>
Wed, 6 Sep 2017 19:54:15 +0000 (19:54 +0000)
committerbors <bors@rust-lang.org>
Wed, 6 Sep 2017 19:54:15 +0000 (19:54 +0000)
Update dependencies

Just a usual `cargo update` plus moving over some major versions


Trivial merge