Update to the last rust-nightly.
Update to the last rust-nightly.

Version of rustc: 0.11.0-pre-nightly (5d5c20647f45f2eb74f337e5434bbe63b0c43345 2014-07-03 21:46:47 +0000)

steveklabnik/ncollide,MichaelRiss/ncollide,sebcrozet/ncollide,MichaelRiss/ncollide,steveklabnik/ncollide,sebcrozet/ncollide