[INFO] fetching crate cpp_to_rust_build_tools 0.2.3...
[INFO] checking cpp_to_rust_build_tools-0.2.3 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate cpp_to_rust_build_tools 0.2.3 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate cpp_to_rust_build_tools 0.2.3
[INFO] finished tweaking crates.io crate cpp_to_rust_build_tools 0.2.3
[INFO] tweaked toml for crates.io crate cpp_to_rust_build_tools 0.2.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cpp_to_rust_build_tools 0.2.3 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 (/workspace/builds/worker-4-tc1/source)`


overridden task result to broken:yanked

Caused by:
    the crate depends on yanked dependencies: 
    
        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 (/workspace/builds/worker-4-tc1/source)`