[INFO] crate prefetch 0.2.0 is already in cache
[INFO] checking prefetch-0.2.0 against master#0c478fdfe138a8b09744798c85fe2be657768b00 for pr-139419
[INFO] extracting crate prefetch 0.2.0 into /workspace/builds/worker-3-tc1/source


unable to download prefetch version 0.2.0

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