Auto merge of #2852 - alexcrichton:doc-env-vars, r=alexcrichton
authorbors <bors@rust-lang.org>
Mon, 11 Jul 2016 16:57:49 +0000 (09:57 -0700)
committerGitHub <noreply@github.com>
Mon, 11 Jul 2016 16:57:49 +0000 (09:57 -0700)
commit7d079dc13bfca872925b1eb355c0bd242adf8d58
treed726e97033b994d675d4165e05a5693f652ad0d0
parent350232ba8ff818be3705848eb3bc119ac9afe607
parent665b2890d8795e2e9236bea01ffc49f561585af4
Auto merge of #2852 - alexcrichton:doc-env-vars, r=alexcrichton

Document the RUSTC/RUSTDOC build script env vars