[INFO] fetching crate wolfram_alpha 0.4.0...
[INFO] testing wolfram_alpha-0.4.0 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate wolfram_alpha 0.4.0 into /workspace/builds/worker-2-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wolfram_alpha 0.4.0 on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "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" "+33835004928d3bf65db4d4712e1330766263b0bd" "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-tc2/source)`
[INFO] testing wolfram_alpha-0.4.0 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate wolfram_alpha 0.4.0 into /workspace/builds/worker-2-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wolfram_alpha 0.4.0 on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "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" "+33835004928d3bf65db4d4712e1330766263b0bd" "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-tc2/source)`
[INFO] testing wolfram_alpha-0.4.0 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate wolfram_alpha 0.4.0 into /workspace/builds/worker-2-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wolfram_alpha 0.4.0 on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "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" "+33835004928d3bf65db4d4712e1330766263b0bd" "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-tc2/source)`
[INFO] testing wolfram_alpha-0.4.0 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate wolfram_alpha 0.4.0 into /workspace/builds/worker-2-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wolfram_alpha 0.4.0 on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "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" "+33835004928d3bf65db4d4712e1330766263b0bd" "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-tc2/source)`
[INFO] testing wolfram_alpha-0.4.0 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate wolfram_alpha 0.4.0 into /workspace/builds/worker-2-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wolfram_alpha 0.4.0 on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "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" "+33835004928d3bf65db4d4712e1330766263b0bd" "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-tc2/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-tc2/source)`