[INFO] fetching crate carbon-macros 0.4.0...
[INFO] checking carbon-macros-0.4.0 against master#01706e1a34c87656fcbfce198608f4cd2ac6461a for pr-135272
[INFO] extracting crate carbon-macros 0.4.0 into /workspace/builds/worker-7-tc1/source


unable to download carbon-macros version 0.4.0

Caused by:
    unexpected end of file