[INFO] fetching crate serial-io 0.3.0...
[INFO] testing serial-io-0.3.0 against 1.95.0 for beta-1.96-1
[INFO] extracting crate serial-io 0.3.0 into /workspace/builds/worker-5-tc1/source


overridden task result to prepare-fail:unknown

Caused by:
    0: uncategorized prepare error
    1: unable to download serial-io version 0.3.0
    2: failed to unpack `serial-io-0.3.0/src/unix.rs` into `/workspace/builds/worker-5-tc1/source/src/unix.rs`
    3: unexpected end of file