[INFO] fetching crate ajsonrpc 0.1.7...
[INFO] checking ajsonrpc-0.1.7 against d8df82673d5911b6112a85bf91d9adefb2c66a1a for pr-162242
[INFO] extracting crate ajsonrpc 0.1.7 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate ajsonrpc 0.1.7
[INFO] finished tweaking crates.io crate ajsonrpc 0.1.7
[INFO] tweaked toml for crates.io crate ajsonrpc 0.1.7 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ajsonrpc 0.1.7 on toolchain d8df82673d5911b6112a85bf91d9adefb2c66a1a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d8df82673d5911b6112a85bf91d9adefb2c66a1a" "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" "+d8df82673d5911b6112a85bf91d9adefb2c66a1a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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