[INFO] fetching crate servo-dwrote 0.2.0... [INFO] checking servo-dwrote-0.2.0 against master#d49be02cf6d2e2a01264fcdef1e20c826710c0f5 for pr-133570-1 [INFO] extracting crate servo-dwrote 0.2.0 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate servo-dwrote 0.2.0 on toolchain d49be02cf6d2e2a01264fcdef1e20c826710c0f5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d49be02cf6d2e2a01264fcdef1e20c826710c0f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-5-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d49be02cf6d2e2a01264fcdef1e20c826710c0f5" "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] candidate versions found which didn't match: 2.0.90, 2.0.89, 2.0.88, ... [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-5-tc1/source)` YankedDependencies overridden task result to broken:yanked