[INFO] fetching crate core-error 0.0.1-rc4...
[INFO] documenting core-error-0.0.1-rc4 against 1.86.0 for beta-1.87-rustdoc-1
[INFO] extracting crate core-error 0.0.1-rc4 into /workspace/builds/worker-0-tc1/source


unable to download core-error version 0.0.1-rc4

Caused by:
    unexpected end of file