[INFO] fetching crate pipe-op 0.0.1...
[INFO] testing pipe-op-0.0.1 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210
[INFO] extracting crate pipe-op 0.0.1 into /workspace/builds/worker-6-tc2/source
[INFO] testing pipe-op-0.0.1 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210
[INFO] extracting crate pipe-op 0.0.1 into /workspace/builds/worker-6-tc2/source
[INFO] testing pipe-op-0.0.1 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210
[INFO] extracting crate pipe-op 0.0.1 into /workspace/builds/worker-6-tc2/source
[INFO] testing pipe-op-0.0.1 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210
[INFO] extracting crate pipe-op 0.0.1 into /workspace/builds/worker-6-tc2/source
[INFO] testing pipe-op-0.0.1 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210
[INFO] extracting crate pipe-op 0.0.1 into /workspace/builds/worker-6-tc2/source


overridden task result to prepare-fail:unknown

Caused by:
    0: uncategorized prepare error
    1: unable to download pipe-op version 0.0.1
    2: unexpected end of file