[INFO] cloning repository https://github.com/EngineProgramming/potato
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EngineProgramming/potato" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEngineProgramming%2Fpotato", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEngineProgramming%2Fpotato'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c7a32e4e0674f6a56e2d5795fcaf3d524f36055e
[INFO] documenting EngineProgramming/potato against beta-2026-01-20 for beta-1.94-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEngineProgramming%2Fpotato" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/EngineProgramming/potato
[INFO] finished tweaking git repo https://github.com/EngineProgramming/potato
[INFO] tweaked toml for git repo https://github.com/EngineProgramming/potato written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/EngineProgramming/potato on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/EngineProgramming/potato 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" "+beta-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 459ed35d6da3b82eb7ce696d65cf5021042878b8257d373e7654f3cb7e41a49d
[INFO] running `Command { std: "docker" "start" "-a" "459ed35d6da3b82eb7ce696d65cf5021042878b8257d373e7654f3cb7e41a49d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "459ed35d6da3b82eb7ce696d65cf5021042878b8257d373e7654f3cb7e41a49d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "459ed35d6da3b82eb7ce696d65cf5021042878b8257d373e7654f3cb7e41a49d", kill_on_drop: false }`
[INFO] [stdout] 459ed35d6da3b82eb7ce696d65cf5021042878b8257d373e7654f3cb7e41a49d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b24ba307f45e9144ff9a9f82815eba2e3b883c785a5cf590184ec5bb752cdfb2
[INFO] running `Command { std: "docker" "start" "-a" "b24ba307f45e9144ff9a9f82815eba2e3b883c785a5cf590184ec5bb752cdfb2", kill_on_drop: false }`
[INFO] [stderr]     Checking chess v0.1.0 (/opt/rustwide/workdir/chess)
[INFO] [stderr]  Documenting chess v0.1.0 (/opt/rustwide/workdir/chess)
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> chess/src/mv.rs:53:22
[INFO] [stdout]    |
[INFO] [stdout] 53 |                 Some(c) => return Err(ParseError::IllegalPromo),
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting engine v0.1.0 (/opt/rustwide/workdir/engine)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/chess/index.html and 1 other file
[INFO] running `Command { std: "docker" "inspect" "b24ba307f45e9144ff9a9f82815eba2e3b883c785a5cf590184ec5bb752cdfb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b24ba307f45e9144ff9a9f82815eba2e3b883c785a5cf590184ec5bb752cdfb2", kill_on_drop: false }`
[INFO] [stdout] b24ba307f45e9144ff9a9f82815eba2e3b883c785a5cf590184ec5bb752cdfb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d982f496b5e533187e8b31adc788bc62aca28f5d7934701ea80f94db6e6766a4
[INFO] running `Command { std: "docker" "start" "-a" "d982f496b5e533187e8b31adc788bc62aca28f5d7934701ea80f94db6e6766a4", kill_on_drop: false }`
[INFO] [stderr] error: manifest path `/opt/rustwide/workdir/Cargo.toml` is a virtual manifest, but this command requires running against an actual package in this workspace
[INFO] running `Command { std: "docker" "inspect" "d982f496b5e533187e8b31adc788bc62aca28f5d7934701ea80f94db6e6766a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d982f496b5e533187e8b31adc788bc62aca28f5d7934701ea80f94db6e6766a4", kill_on_drop: false }`
[INFO] [stdout] d982f496b5e533187e8b31adc788bc62aca28f5d7934701ea80f94db6e6766a4