[INFO] fetching crate proc-macro3 0.1.1...
[INFO] testing proc-macro3-0.1.1 against 1.95.0 for beta-1.96-2
[INFO] extracting crate proc-macro3 0.1.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate proc-macro3 0.1.1
[INFO] finished tweaking crates.io crate proc-macro3 0.1.1
[INFO] tweaked toml for crates.io crate proc-macro3 0.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate proc-macro3 0.1.1 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "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" "+1.95.0" "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]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds


overridden task result to prepare-fail:timeout

Caused by:
    0: uncategorized prepare error
    1: no output for 300 seconds