Auto merge of #1845 - steveklabnik:env_vars, r=alexcrichton
authorbors <bors@rust-lang.org>
Tue, 25 Aug 2015 16:31:53 +0000 (16:31 +0000)
committerbors <bors@rust-lang.org>
Tue, 25 Aug 2015 16:31:53 +0000 (16:31 +0000)
These were spread out before, now they're in one place.

Fixes #1538

r? @alexcrichton

I'm also missing an entry on `CARGO_PROFILE`, what does it do?


Trivial merge