[INFO] fetching crate rustc-ap-rustc_cratesio_shim 520.0.0...
[INFO] checking rustc-ap-rustc_cratesio_shim-520.0.0 against try#901e6d56697c79b2e80df6a487b2318ec6f57ee3 for pr-142287
[INFO] extracting crate rustc-ap-rustc_cratesio_shim 520.0.0 into /workspace/builds/worker-0-tc2/source
[INFO] checking rustc-ap-rustc_cratesio_shim-520.0.0 against try#901e6d56697c79b2e80df6a487b2318ec6f57ee3 for pr-142287
[INFO] extracting crate rustc-ap-rustc_cratesio_shim 520.0.0 into /workspace/builds/worker-0-tc2/source
[INFO] checking rustc-ap-rustc_cratesio_shim-520.0.0 against try#901e6d56697c79b2e80df6a487b2318ec6f57ee3 for pr-142287
[INFO] extracting crate rustc-ap-rustc_cratesio_shim 520.0.0 into /workspace/builds/worker-0-tc2/source
[INFO] checking rustc-ap-rustc_cratesio_shim-520.0.0 against try#901e6d56697c79b2e80df6a487b2318ec6f57ee3 for pr-142287
[INFO] extracting crate rustc-ap-rustc_cratesio_shim 520.0.0 into /workspace/builds/worker-0-tc2/source
[INFO] checking rustc-ap-rustc_cratesio_shim-520.0.0 against try#901e6d56697c79b2e80df6a487b2318ec6f57ee3 for pr-142287
[INFO] extracting crate rustc-ap-rustc_cratesio_shim 520.0.0 into /workspace/builds/worker-0-tc2/source


unable to download rustc-ap-rustc_cratesio_shim version 520.0.0

Caused by:
    unexpected end of file