[INFO] cloning repository https://github.com/memoriesadrift/mini-blockchain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/memoriesadrift/mini-blockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmemoriesadrift%2Fmini-blockchain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmemoriesadrift%2Fmini-blockchain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e29a6bcbec816340ff3602e0d862700b6962cf76
[INFO] checking memoriesadrift/mini-blockchain against 4fcf39725a9c99bd495d8c73af83628a256ff9a9 for pr-162233-crater-rollup
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmemoriesadrift%2Fmini-blockchain" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/memoriesadrift/mini-blockchain
[INFO] finished tweaking git repo https://github.com/memoriesadrift/mini-blockchain
[INFO] tweaked toml for git repo https://github.com/memoriesadrift/mini-blockchain written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/memoriesadrift/mini-blockchain on toolchain 4fcf39725a9c99bd495d8c73af83628a256ff9a9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4fcf39725a9c99bd495d8c73af83628a256ff9a9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/memoriesadrift/mini-blockchain 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" "+4fcf39725a9c99bd495d8c73af83628a256ff9a9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: binary `mini_blockchain` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-1-tc1/source/target/.../mini_blockchain
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `mini-blockchain`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:38:8
[INFO] [stderr]    |
[INFO] [stderr] 38 - name = "mini_blockchain"
[INFO] [stderr] 38 + name = "mini-blockchain"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `mini-blockchain`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:39:19
[INFO] [stderr]    |
[INFO] [stderr] 39 ~ version = "0.1.0"
[INFO] [stderr] 40 + [[bin]]
[INFO] [stderr] 41 + name = "mini-blockchain"
[INFO] [stderr] 42 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `mini_blockchain` (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