[INFO] fetching crate singleflight 0.3.0...
[INFO] checking singleflight-0.3.0 against master#667247db71ea18c4130dd018d060e7f09d589490 for pr-140824
[INFO] extracting crate singleflight 0.3.0 into /workspace/builds/worker-5-tc1/source


unable to download singleflight version 0.3.0

Caused by:
    0: failed to unpack `singleflight-0.3.0/.travis.yml` into `/workspace/builds/worker-5-tc1/source/.travis.yml`
    1: No space left on device (os error 28)