Auto merge of #4951 - sfackler:log-bump, r=alexcrichton
authorbors <bors@rust-lang.org>
Thu, 18 Jan 2018 06:19:55 +0000 (06:19 +0000)
committerbors <bors@rust-lang.org>
Thu, 18 Jan 2018 06:19:55 +0000 (06:19 +0000)
Upgrade env_logger

0.4 depends on log 0.3 and so misses out on module names.


Trivial merge