[INFO] cloning repository https://github.com/Jetpuffed/chess-engine-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jetpuffed/chess-engine-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJetpuffed%2Fchess-engine-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJetpuffed%2Fchess-engine-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 810333e0ce5b0b23382405df44ee223220ccf691
[INFO] documenting Jetpuffed/chess-engine-rs against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJetpuffed%2Fchess-engine-rs" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Jetpuffed/chess-engine-rs on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Jetpuffed/chess-engine-rs
[INFO] finished tweaking git repo https://github.com/Jetpuffed/chess-engine-rs
[INFO] tweaked toml for git repo https://github.com/Jetpuffed/chess-engine-rs written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Jetpuffed/chess-engine-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 046fe4d352491945c2287dfadebb8b6ee92c28690e698d17ab2f2e03c0a41537
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "046fe4d352491945c2287dfadebb8b6ee92c28690e698d17ab2f2e03c0a41537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "046fe4d352491945c2287dfadebb8b6ee92c28690e698d17ab2f2e03c0a41537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "046fe4d352491945c2287dfadebb8b6ee92c28690e698d17ab2f2e03c0a41537", kill_on_drop: false }`
[INFO] [stdout] 046fe4d352491945c2287dfadebb8b6ee92c28690e698d17ab2f2e03c0a41537
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1593bcfc1ff690302de60b5c2ca449be9bb9567c3e63db1e28cc04d11874c477
[INFO] running `Command { std: "docker" "start" "-a" "1593bcfc1ff690302de60b5c2ca449be9bb9567c3e63db1e28cc04d11874c477", 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] [stderr]     Checking chess-engine-rs v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting chess-engine-rs v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `BISHOP_ATTACK_LUT`, `BISHOP_ATTACK_OFFSET`, `KING_ATTACK_LUT`, `KING_ATTACK_OFFSET`, `KNIGHT_ATTACK_LUT`, `KNIGHT_ATTACK_OFFSET`, `ROOK_ATTACK_LUT`, `ROOK_ATTACK_OFFSET`
[INFO] [stdout]   --> src/bitboard.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 8  |     BISHOP_ATTACK_LUT,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 9  |     BISHOP_ATTACK_OFFSET,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 10 |     BISHOP_MASK_LUT,
[INFO] [stdout] 11 |     KING_ATTACK_LUT,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 12 |     KING_ATTACK_OFFSET,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 13 |     KING_MASK_LUT,
[INFO] [stdout] 14 |     KNIGHT_ATTACK_LUT,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 15 |     KNIGHT_ATTACK_OFFSET,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 16 |     KNIGHT_MASK_LUT,
[INFO] [stdout] 17 |     ROOK_ATTACK_LUT,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 18 |     ROOK_ATTACK_OFFSET,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `sq_to_bb`
[INFO] [stdout]   --> src/bitboard.rs:26:14
[INFO] [stdout]    |
[INFO] [stdout] 26 | macro_rules! sq_to_bb { ($sq:tt) => { 1 << $sq as Bitboard } }
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sq`
[INFO] [stdout]   --> src/bitboard.rs:86:37
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub fn get_pawn_blockers(&self, sq: Square) -> Bitboard { todo!() }
[INFO] [stdout]    |                                     ^^ help: if this is intentional, prefix it with an underscore: `_sq`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.89s
[INFO] running `Command { std: "docker" "inspect" "1593bcfc1ff690302de60b5c2ca449be9bb9567c3e63db1e28cc04d11874c477", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1593bcfc1ff690302de60b5c2ca449be9bb9567c3e63db1e28cc04d11874c477", kill_on_drop: false }`
[INFO] [stdout] 1593bcfc1ff690302de60b5c2ca449be9bb9567c3e63db1e28cc04d11874c477
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e5ac1435099ef3d8ec044d4ecf9b2ded45b93f617c22e5a1201271f06ca49540
[INFO] running `Command { std: "docker" "start" "-a" "e5ac1435099ef3d8ec044d4ecf9b2ded45b93f617c22e5a1201271f06ca49540", kill_on_drop: false }`
[INFO] [stderr]  Documenting chess-engine-rs v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.17s
[INFO] running `Command { std: "docker" "inspect" "e5ac1435099ef3d8ec044d4ecf9b2ded45b93f617c22e5a1201271f06ca49540", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5ac1435099ef3d8ec044d4ecf9b2ded45b93f617c22e5a1201271f06ca49540", kill_on_drop: false }`
[INFO] [stdout] e5ac1435099ef3d8ec044d4ecf9b2ded45b93f617c22e5a1201271f06ca49540