[INFO] fetching crate appc 0.0.1-dev.4...
[INFO] checking appc-0.0.1-dev.4 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate appc 0.0.1-dev.4 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate appc 0.0.1-dev.4
[INFO] finished tweaking crates.io crate appc 0.0.1-dev.4
[INFO] tweaked toml for crates.io crate appc 0.0.1-dev.4 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate appc 0.0.1-dev.4 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for the requirement `sha2 = "^0.5"`
[INFO] [stderr]   version 0.5.0 is yanked
[INFO] [stderr]   version 0.5.1 is yanked
[INFO] [stderr]   version 0.5.2 is yanked
[INFO] [stderr]   version 0.5.3 is yanked
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `appc v0.0.1-dev.4 (/workspace/builds/worker-6-tc1/source)`


overridden task result to broken:yanked

Caused by:
    the crate depends on yanked dependencies: 
    
        Blocking waiting for file lock on package cache
        Updating crates.io index
    error: failed to select a version for the requirement `sha2 = "^0.5"`
      version 0.5.0 is yanked
      version 0.5.1 is yanked
      version 0.5.2 is yanked
      version 0.5.3 is yanked
    location searched: crates.io index
    required by package `appc v0.0.1-dev.4 (/workspace/builds/worker-6-tc1/source)`