[INFO] fetching crate singlemap 1.0.0...
[INFO] building singlemap-1.0.0 against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] extracting crate singlemap 1.0.0 into /workspace/builds/worker-2-tc1/source


unable to download singlemap version 1.0.0

Caused by:
    unexpected end of file