Auto merge of #3399 - alexcrichton:fix-nightly, r=alexcrichton
authorbors <bors@rust-lang.org>
Wed, 14 Dec 2016 02:30:46 +0000 (02:30 +0000)
committerbors <bors@rust-lang.org>
Wed, 14 Dec 2016 02:30:46 +0000 (02:30 +0000)
Fix compatibility with Rust nightly

These two tests actually shouldn't have ever passed, but nightly Rust is more
principled about "$OUT_DIR" and doesn't leak it where possible, so these two
tests were accidentally compiling due to leaking '$OUT_DIR' for Cargo itself.


Trivial merge