[INFO] fetching crate single_thread_cell 0.3.0...
[INFO] building single_thread_cell-0.3.0 against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] extracting crate single_thread_cell 0.3.0 into /workspace/builds/worker-4-tc1/source


unable to download single_thread_cell version 0.3.0

Caused by:
    unexpected end of file