[INFO] fetching crate unicode_extension 0.4.0...
[INFO] testing unicode_extension-0.4.0 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739
[INFO] extracting crate unicode_extension 0.4.0 into /workspace/builds/worker-0-tc1/source


overridden task result to prepare-fail:unknown

Caused by:
    0: uncategorized prepare error
    1: unable to download unicode_extension version 0.4.0
    2: unexpected end of file