Auto merge of #3175 - alexcrichton:bench-abort, r=brson
authorbors <bors@rust-lang.org>
Thu, 3 Nov 2016 00:21:23 +0000 (17:21 -0700)
committerGitHub <noreply@github.com>
Thu, 3 Nov 2016 00:21:23 +0000 (17:21 -0700)
Ignore `panic` configuration for test/bench profiles

Both of these profiles link to libtest, so it's invalid to configure them with
`panic="abort"`. To prevent confusing errors just ignore the configuration for
now.

Closes #3166


Trivial merge