[INFO] fetching crate s2tw 1.0.21...
[INFO] testing s2tw-1.0.21 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate s2tw 1.0.21 into /workspace/builds/worker-7-tc2/source
[INFO] testing s2tw-1.0.21 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate s2tw 1.0.21 into /workspace/builds/worker-7-tc2/source
[INFO] testing s2tw-1.0.21 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate s2tw 1.0.21 into /workspace/builds/worker-7-tc2/source
[INFO] testing s2tw-1.0.21 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate s2tw 1.0.21 into /workspace/builds/worker-7-tc2/source
[INFO] testing s2tw-1.0.21 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate s2tw 1.0.21 into /workspace/builds/worker-7-tc2/source


overridden task result to prepare-fail:unknown

Caused by:
    0: uncategorized prepare error
    1: unable to download s2tw version 1.0.21
    2: No space left on device (os error 28)