[INFO] fetching crate concgc 0.1.1...
[INFO] documenting concgc-0.1.1 against 1.86.0 for beta-1.87-rustdoc-1
[INFO] extracting crate concgc 0.1.1 into /workspace/builds/worker-7-tc1/source


unable to download concgc version 0.1.1

Caused by:
    unexpected end of file