[INFO] fetching crate wolfram_alpha 0.4.0...
[INFO] building wolfram_alpha-0.4.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate wolfram_alpha 0.4.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate wolfram_alpha 0.4.0
[INFO] finished tweaking crates.io crate wolfram_alpha 0.4.0
[INFO] tweaked toml for crates.io crate wolfram_alpha 0.4.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate wolfram_alpha 0.4.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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 v0.8.23`
[INFO] [stderr]     ... which satisfies dependency `serde_codegen = "^0.8.23"` of package `wolfram_alpha v0.4.0 (/workspace/builds/worker-2-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 v0.8.23`
        ... which satisfies dependency `serde_codegen = "^0.8.23"` of package `wolfram_alpha v0.4.0 (/workspace/builds/worker-2-tc1/source)`