[INFO] fetching crate ref_arena 0.1.1...
[INFO] building ref_arena-0.1.1 against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] extracting crate ref_arena 0.1.1 into /workspace/builds/worker-1-tc1/source


unable to download ref_arena version 0.1.1

Caused by:
    unexpected end of file