Auto merge of #2562 - smaximov:doc-add-env-vars, r=alexcrichton
authorbors <bors@rust-lang.org>
Tue, 12 Apr 2016 15:14:33 +0000 (08:14 -0700)
committerbors <bors@rust-lang.org>
Tue, 12 Apr 2016 15:14:33 +0000 (08:14 -0700)
commit88e30811d3f85a881452d22a852714c7e440ddad
treebd838d4511956d7080b735e7af49165249f4454f
parent4e1ffb17e0a9cbc2936ac935ac21dd2d84359493
parent2ef6fcb9db5ce9de312a20dbe311f05e031eded4
Auto merge of #2562 - smaximov:doc-add-env-vars, r=alexcrichton

Document env vars introduced in PR #2523 to the docs

Document environment variables introduced in #2523 (`CARGO_PKG_NAME`, `CARGO_PKG_DESCRIPTION`, `CARGO_PKG_HOMEPAGE`).