[INFO] cloning repository https://github.com/dns2utf8/rustdoc_demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dns2utf8/rustdoc_demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdns2utf8%2Frustdoc_demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdns2utf8%2Frustdoc_demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f7a03948e0c587e8abbb31dbc44101b3d78041ce
[INFO] checking dns2utf8/rustdoc_demo against 656a9da186dacaf3bf8f7f7296a825d256cb4ae3 for pr-158915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdns2utf8%2Frustdoc_demo" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dns2utf8/rustdoc_demo
[INFO] finished tweaking git repo https://github.com/dns2utf8/rustdoc_demo
[INFO] tweaked toml for git repo https://github.com/dns2utf8/rustdoc_demo written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dns2utf8/rustdoc_demo on toolchain 656a9da186dacaf3bf8f7f7296a825d256cb4ae3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+656a9da186dacaf3bf8f7f7296a825d256cb4ae3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dns2utf8/rustdoc_demo 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" "+656a9da186dacaf3bf8f7f7296a825d256cb4ae3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.documentation`
[INFO] [stderr]   --> Cargo.toml:11:12
[INFO] [stderr]    |
[INFO] [stderr]  9 | documentation = "https://docs.rs/rustdoc_demo"
[INFO] [stderr]    |                 ------------------------------
[INFO] [stderr] 10 | edition = "2018"
[INFO] [stderr] 11 | homepage = "https://docs.rs/rustdoc_demo"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `rustdoc_demo` (manifest) generated 1 warning
[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