[INFO] fetching crate cargo-toolchain 0.1.0...
[INFO] checking cargo-toolchain-0.1.0 against master#cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9 for pr-136968
[INFO] extracting crate cargo-toolchain 0.1.0 into /workspace/builds/worker-1-tc1/source


unable to download cargo-toolchain version 0.1.0

Caused by:
    unexpected end of file