[INFO] cloning repository https://github.com/seclab-fudan/Khost
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/seclab-fudan/Khost" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseclab-fudan%2FKhost", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseclab-fudan%2FKhost'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7f47e429b8ce53b300b9be5074f1956a418238ab
[INFO] documenting seclab-fudan/Khost against 1.98.0-beta.8 for beta-rustdoc-1.99-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseclab-fudan%2FKhost" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  78% (5511/7047)
Updating files:  79% (5568/7047)
Updating files:  80% (5638/7047)
Updating files:  81% (5709/7047)
Updating files:  82% (5779/7047)
Updating files:  83% (5850/7047)
Updating files:  84% (5920/7047)
Updating files:  85% (5990/7047)
Updating files:  86% (6061/7047)
Updating files:  87% (6131/7047)
Updating files:  88% (6202/7047)
Updating files:  89% (6272/7047)
Updating files:  90% (6343/7047)
Updating files:  91% (6413/7047)
Updating files:  92% (6484/7047)
Updating files:  93% (6554/7047)
Updating files:  94% (6625/7047)
Updating files:  95% (6695/7047)
Updating files:  96% (6766/7047)
Updating files:  97% (6836/7047)
Updating files:  98% (6907/7047)
Updating files:  99% (6977/7047)
Updating files: 100% (7047/7047)
Updating files: 100% (7047/7047), done.
[INFO] removed /workspace/builds/worker-2-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/seclab-fudan/Khost
[INFO] finished tweaking git repo https://github.com/seclab-fudan/Khost
[INFO] tweaked toml for git repo https://github.com/seclab-fudan/Khost written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/seclab-fudan/Khost on toolchain 1.98.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/seclab-fudan/Khost 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" "+1.98.0-beta.8" "fetch" "--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