[INFO] fetching crate tokio-http2 0.1.9...
[INFO] checking tokio-http2-0.1.9 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate tokio-http2 0.1.9 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate tokio-http2 0.1.9 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tokio-http2 0.1.9
[INFO] finished tweaking crates.io crate tokio-http2 0.1.9
[INFO] tweaked toml for crates.io crate tokio-http2 0.1.9 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "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 `spmc = "^0.2"`
[INFO] [stderr] candidate versions found which didn't match: 0.3.0
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `tokio-http2 v0.1.9 (/workspace/builds/worker-0-tc1/source)`
[INFO] [stderr] perhaps a crate was updated and forgotten to be re-vendored?
[ERROR] this task or one of its parent failed!
[ERROR] overridden task result to broken:yanked
[ERROR] caused by: the crate depends on yanked dependencies
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
