[INFO] cloning repository https://github.com/ryanseipp/fern
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ryanseipp/fern" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanseipp%2Ffern", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanseipp%2Ffern'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1703e4f7b53cc8ff1e2e3b1d04cc7954fd379a32
[INFO] checking ryanseipp/fern against 7211ea594cbf137ef6118b1752b959dea7cb9088 for pr-164148-crater-rollup
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanseipp%2Ffern" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ryanseipp/fern
[INFO] finished tweaking git repo https://github.com/ryanseipp/fern
[INFO] tweaked toml for git repo https://github.com/ryanseipp/fern written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ryanseipp/fern on toolchain 7211ea594cbf137ef6118b1752b959dea7cb9088
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7211ea594cbf137ef6118b1752b959dea7cb9088" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ryanseipp/fern 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" "+7211ea594cbf137ef6118b1752b959dea7cb9088" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: fern-benchmarks/Cargo.toml: `lints.clippy.cargo-common-metadata` is deprecated in favor of `lints.clippy.cargo_common_metadata` and will not work in a future edition
[INFO] [stderr] warning: `fern-benchmarks` (manifest) generated 1 warning
[INFO] [stderr] warning: missing `[lints]` to inherit `[workspace.lints]`
[INFO] [stderr]   --> fern-test/Cargo.toml
[INFO] [stderr]    = note: `cargo::missing_lints_inheritance` is set to `warn` by default
[INFO] [stderr] help: to inherit `workspace.lints, add:
[INFO] [stderr]    |
[INFO] [stderr] 14 ~ [dependencies]
[INFO] [stderr] 15 + [lints]
[INFO] [stderr] 16 + workspace = true
[INFO] [stderr]    |
[INFO] [stderr] help: to clarify your intent to not inherit, add:
[INFO] [stderr]    |
[INFO] [stderr] 14 ~ [dependencies]
[INFO] [stderr] 15 + [lints]
[INFO] [stderr]    |
[INFO] [stderr] warning: `fern-test` (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