[INFO] fetching crate zerocopy 0.7.28...
[INFO] checking zerocopy-0.7.28 against master#35936c4839dd272646394779d151e060d0f6b3ac for pr-122960-1
[INFO] extracting crate zerocopy 0.7.28 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate zerocopy 0.7.28 on toolchain 35936c4839dd272646394779d151e060d0f6b3ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zerocopy 0.7.28
[INFO] finished tweaking crates.io crate zerocopy 0.7.28
[INFO] tweaked toml for crates.io crate zerocopy 0.7.28 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" "+35936c4839dd272646394779d151e060d0f6b3ac" "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 `zerocopy-derive = "=0.7.28"`
[INFO] [stderr] candidate versions found which didn't match: 0.8.0-alpha.7, 0.8.0-alpha.6, 0.8.0-alpha.5, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `zerocopy v0.7.28 (/workspace/builds/worker-5-tc1/source)`
[INFO] [stderr] if you are looking for the prerelease package it needs to be specified explicitly
[INFO] [stderr]     zerocopy-derive = { version = "0.8.0-alpha.7" }
[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.