[INFO] fetching crate alloc-singleton 0.1.0...
[INFO] checking alloc-singleton-0.1.0 against master#64b185eddaa1d7ddf5e0c024be23b9cbba6c1722 for pr-143929
[INFO] extracting crate alloc-singleton 0.1.0 into /workspace/builds/worker-3-tc1/source


unable to download alloc-singleton version 0.1.0

Caused by:
    No space left on device (os error 28)