[INFO] cloning repository https://github.com/rustnn/servo-ml
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rustnn/servo-ml" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustnn%2Fservo-ml", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustnn%2Fservo-ml'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0cb38eeed96b3b0e5fa0ad9538964ac66370547b
[INFO] checking rustnn/servo-ml/0cb38eeed96b3b0e5fa0ad9538964ac66370547b against ed77b7b8699e342c2dc842c83cb5fe4025252ee8 for pr-158915-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustnn%2Fservo-ml" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
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[INFO] removed /workspace/builds/worker-3-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-3-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/rustnn/servo-ml
[INFO] finished tweaking git repo https://github.com/rustnn/servo-ml
[INFO] tweaked toml for git repo https://github.com/rustnn/servo-ml written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rustnn/servo-ml on toolchain ed77b7b8699e342c2dc842c83cb5fe4025252ee8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed77b7b8699e342c2dc842c83cb5fe4025252ee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rustnn/servo-ml 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" "+ed77b7b8699e342c2dc842c83cb5fe4025252ee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused workspace dependency `gstreamer-gl-sys`
[INFO] [stderr]   --> Cargo.toml:93:1
[INFO] [stderr]    |
[INFO] [stderr] 93 | gstreamer-gl-sys = "0.25"
[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 `gstreamer-gl-sys`
[INFO] [stderr] warning: unused workspace dependency `utf-8`
[INFO] [stderr]    --> Cargo.toml:175:1
[INFO] [stderr]     |
[INFO] [stderr] 175 | utf-8 = "0.7"
[INFO] [stderr]     | ^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: consider removing the workspace dependency `utf-8`
[INFO] [stderr] warning: workspace (manifest) generated 2 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