[INFO] cloning repository https://github.com/Yao0454/MIDIShift
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Yao0454/MIDIShift" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYao0454%2FMIDIShift", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYao0454%2FMIDIShift'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 69143df944aaa4a996da96d82bc9c070cddc4133
[INFO] checking Yao0454/MIDIShift against a7c37f9f0ee5e93396106e9de20f4a86b4154e63 for pr-129249-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYao0454%2FMIDIShift" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Yao0454/MIDIShift
[INFO] finished tweaking git repo https://github.com/Yao0454/MIDIShift
[INFO] tweaked toml for git repo https://github.com/Yao0454/MIDIShift written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Yao0454/MIDIShift on toolchain a7c37f9f0ee5e93396106e9de20f4a86b4154e63
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7c37f9f0ee5e93396106e9de20f4a86b4154e63" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Yao0454/MIDIShift already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7c37f9f0ee5e93396106e9de20f4a86b4154e63" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused workspace dependency `crossbeam-channel`
[INFO] [stderr]   --> Cargo.toml:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | crossbeam-channel = "0.5"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_workspace_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the workspace dependency `crossbeam-channel`
[INFO] [stderr] warning: unused workspace dependency `tracing`
[INFO] [stderr]   --> Cargo.toml:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | tracing = "0.1"
[INFO] [stderr]    | ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: consider removing the workspace dependency `tracing`
[INFO] [stderr] warning: unused workspace dependency `tracing-subscriber`
[INFO] [stderr]   --> Cargo.toml:29:25
[INFO] [stderr]    |
[INFO] [stderr] 29 | [workspace.dependencies.tracing-subscriber]
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: consider removing the workspace dependency `tracing-subscriber`
[INFO] [stderr] warning: unused workspace dependency `wmidi`
[INFO] [stderr]   --> Cargo.toml:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | wmidi = "4"
[INFO] [stderr]    | ^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: consider removing the workspace dependency `wmidi`
[INFO] [stderr] warning: workspace (manifest) generated 4 warnings
[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