[INFO] fetching crate servo-dwrote 0.2.0...
[INFO] testing servo-dwrote-0.2.0 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate servo-dwrote 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate servo-dwrote 0.2.0
[INFO] finished tweaking crates.io crate servo-dwrote 0.2.0
[INFO] tweaked toml for crates.io crate servo-dwrote 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate servo-dwrote 0.2.0 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 v0.9.0`
[INFO] [stderr]     ... which satisfies dependency `serde_codegen = "^0.9"` of package `servo-dwrote v0.2.0 (/workspace/builds/worker-3-tc2/source)`
[INFO] testing servo-dwrote-0.2.0 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate servo-dwrote 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate servo-dwrote 0.2.0
[INFO] finished tweaking crates.io crate servo-dwrote 0.2.0
[INFO] tweaked toml for crates.io crate servo-dwrote 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate servo-dwrote 0.2.0 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 v0.9.0`
[INFO] [stderr]     ... which satisfies dependency `serde_codegen = "^0.9"` of package `servo-dwrote v0.2.0 (/workspace/builds/worker-3-tc2/source)`
[INFO] testing servo-dwrote-0.2.0 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate servo-dwrote 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate servo-dwrote 0.2.0
[INFO] finished tweaking crates.io crate servo-dwrote 0.2.0
[INFO] tweaked toml for crates.io crate servo-dwrote 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate servo-dwrote 0.2.0 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 v0.9.0`
[INFO] [stderr]     ... which satisfies dependency `serde_codegen = "^0.9"` of package `servo-dwrote v0.2.0 (/workspace/builds/worker-3-tc2/source)`
[INFO] testing servo-dwrote-0.2.0 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate servo-dwrote 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate servo-dwrote 0.2.0
[INFO] finished tweaking crates.io crate servo-dwrote 0.2.0
[INFO] tweaked toml for crates.io crate servo-dwrote 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate servo-dwrote 0.2.0 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]     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 `servo-dwrote v0.2.0 (/workspace/builds/worker-3-tc2/source)`
[INFO] testing servo-dwrote-0.2.0 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate servo-dwrote 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate servo-dwrote 0.2.0
[INFO] finished tweaking crates.io crate servo-dwrote 0.2.0
[INFO] tweaked toml for crates.io crate servo-dwrote 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate servo-dwrote 0.2.0 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]     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 `servo-dwrote v0.2.0 (/workspace/builds/worker-3-tc2/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 `servo-dwrote v0.2.0 (/workspace/builds/worker-3-tc2/source)`