[INFO] fetching crate qt_build_tools 0.2.4...
[INFO] testing qt_build_tools-0.2.4 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] extracting crate qt_build_tools 0.2.4 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate qt_build_tools 0.2.4
[INFO] finished tweaking crates.io crate qt_build_tools 0.2.4
[INFO] tweaked toml for crates.io crate qt_build_tools 0.2.4 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate qt_build_tools 0.2.4 on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "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 v0.9.0`
[INFO] [stderr]     ... which satisfies dependency `serde_codegen = "^0.9"` of package `cpp_to_rust_common v0.2.3`
[INFO] [stderr]     ... which satisfies dependency `cpp_to_rust_common = "^0.2.3"` of package `cpp_to_rust_build_tools v0.2.3`
[INFO] [stderr]     ... which satisfies dependency `cpp_to_rust_build_tools = "^0.2.3"` of package `qt_build_tools v0.2.4 (/workspace/builds/worker-4-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 v0.9.0`
        ... which satisfies dependency `serde_codegen = "^0.9"` of package `cpp_to_rust_common v0.2.3`
        ... which satisfies dependency `cpp_to_rust_common = "^0.2.3"` of package `cpp_to_rust_build_tools v0.2.3`
        ... which satisfies dependency `cpp_to_rust_build_tools = "^0.2.3"` of package `qt_build_tools v0.2.4 (/workspace/builds/worker-4-tc1/source)`