Auto merge of #2281 - rillian:doc-nocapture, r=alexcrichton
authorbors <bors@rust-lang.org>
Fri, 15 Jan 2016 21:36:03 +0000 (21:36 +0000)
committerbors <bors@rust-lang.org>
Fri, 15 Jan 2016 21:36:03 +0000 (21:36 +0000)
Although this is a feature of rustc's test harness and
not cargo's test driver, I can never remember how to
invoke it. Describing the switch in `cargo test --help`
makes it more discoverable.


Trivial merge