[INFO] fetching crate crates-api 0.1.0...
[INFO] checking crates-api-0.1.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate crates-api 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate crates-api 0.1.0
[INFO] finished tweaking crates.io crate crates-api 0.1.0
[INFO] tweaked toml for crates.io crate crates-api 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate crates-api 0.1.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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 `syn = "^0.10"`
[INFO] [stderr]   version 0.10.0 is yanked
[INFO] [stderr]   version 0.10.1 is yanked
[INFO] [stderr]   version 0.10.2 is yanked
[INFO] [stderr]   version 0.10.3 is yanked
[INFO] [stderr]   version 0.10.4 is yanked
[INFO] [stderr]   version 0.10.5 is yanked
[INFO] [stderr]   version 0.10.6 is yanked
[INFO] [stderr]   version 0.10.7 is yanked
[INFO] [stderr]   version 0.10.8 is yanked
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `serde_codegen v0.8.21`
[INFO] [stderr]     ... which satisfies dependency `serde_codegen = "=0.8.21"` of package `serde_derive v0.8.21`
[INFO] [stderr]     ... which satisfies dependency `serde_derive = "^0.8.21"` of package `crates-api v0.1.0 (/workspace/builds/worker-7-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 `syn = "^0.10"`
      version 0.10.0 is yanked
      version 0.10.1 is yanked
      version 0.10.2 is yanked
      version 0.10.3 is yanked
      version 0.10.4 is yanked
      version 0.10.5 is yanked
      version 0.10.6 is yanked
      version 0.10.7 is yanked
      version 0.10.8 is yanked
    location searched: crates.io index
    required by package `serde_codegen v0.8.21`
        ... which satisfies dependency `serde_codegen = "=0.8.21"` of package `serde_derive v0.8.21`
        ... which satisfies dependency `serde_derive = "^0.8.21"` of package `crates-api v0.1.0 (/workspace/builds/worker-7-tc1/source)`