[INFO] fetching crate core-nightly 2015.1.7...
[INFO] checking core-nightly-2015.1.7 against master#43ca9d18e333797f0aa3b525501a7cec8d61a96b for pr-136764
[INFO] extracting crate core-nightly 2015.1.7 into /workspace/builds/worker-3-tc1/source


unable to download core-nightly version 2015.1.7

Caused by:
    0: failed to unpack `core-nightly-2015.1.7/src/char.rs` into `/workspace/builds/worker-3-tc1/source/src/char.rs`
    1: No space left on device (os error 28)