[INFO] cloning repository https://github.com/jakub-michalik/cli-utils
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jakub-michalik/cli-utils" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakub-michalik%2Fcli-utils", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakub-michalik%2Fcli-utils'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8a74dd0d6b240f57f0fd74569f3b6563b6cf7047
[INFO] checking jakub-michalik/cli-utils against master#3645249d79dfb136b5d8de3ce153d19d6698d92d for pr-153975
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakub-michalik%2Fcli-utils" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jakub-michalik/cli-utils
[INFO] finished tweaking git repo https://github.com/jakub-michalik/cli-utils
[INFO] tweaked toml for git repo https://github.com/jakub-michalik/cli-utils written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jakub-michalik/cli-utils on toolchain 3645249d79dfb136b5d8de3ce153d19d6698d92d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3645249d79dfb136b5d8de3ce153d19d6698d92d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jakub-michalik/cli-utils 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" "+3645249d79dfb136b5d8de3ce153d19d6698d92d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: failed to parse lock file at: /workspace/builds/worker-0-tc1/source/Cargo.lock
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   TOML parse error at line 1, column 1
[INFO] [stderr]     |
[INFO] [stderr]   1 | [package]
[INFO] [stderr]     | ^^^^^^^^^
[INFO] [stderr]   invalid type: map, expected a sequence


overridden task result to prepare-fail:unknown

Caused by:
    the crate has a broken lockfile: 
    
    error: failed to parse lock file at: /workspace/builds/worker-0-tc1/source/Cargo.lock
    
    Caused by:
      TOML parse error at line 1, column 1
        |
      1 | [package]
        | ^^^^^^^^^
      invalid type: map, expected a sequence