avoid interrupting configure step since it also does git work
avoid interrupting configure step since it also does git work

rust-lang/rust-buildbot,rust-lang/rust-buildbot,edunham/rust-buildbot,aidanhs/rust-buildbot,aidanhs/rust-buildbot,rust-lang-deprecated/rust-buildbot,rust-lang/rust-buildbot,edunham/rust-buildbot,rust-lang-deprecated/rust-buildbot,edunham/rust-buildbot,aidanhs/rust-buildbot,rust-lang-deprecated/rust-buildbot