[INFO] fetching crate rustc-ap-rustc_cratesio_shim 520.0.0...
[INFO] checking rustc-ap-rustc_cratesio_shim-520.0.0 against master#613bdd49978298648ed05ace086bd1ecad54b44a for pr-136458
[INFO] extracting crate rustc-ap-rustc_cratesio_shim 520.0.0 into /workspace/builds/worker-4-tc1/source


unable to download rustc-ap-rustc_cratesio_shim version 520.0.0

Caused by:
    unexpected end of file