[INFO] cloning repository https://github.com/rclayton-the-terrible/solve-tic-tac-toe-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rclayton-the-terrible/solve-tic-tac-toe-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frclayton-the-terrible%2Fsolve-tic-tac-toe-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frclayton-the-terrible%2Fsolve-tic-tac-toe-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 11b4109325bf7d72f95597bc1a1510d989caf7f1
[INFO] checking rclayton-the-terrible/solve-tic-tac-toe-rust against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frclayton-the-terrible%2Fsolve-tic-tac-toe-rust" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rclayton-the-terrible/solve-tic-tac-toe-rust on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rclayton-the-terrible/solve-tic-tac-toe-rust
[INFO] finished tweaking git repo https://github.com/rclayton-the-terrible/solve-tic-tac-toe-rust
[INFO] tweaked toml for git repo https://github.com/rclayton-the-terrible/solve-tic-tac-toe-rust written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/rclayton-the-terrible/solve-tic-tac-toe-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d985e3221f35607db9cc0ba170adb62657c0b0a637c849c954804c9fdc0c61e
[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" "3d985e3221f35607db9cc0ba170adb62657c0b0a637c849c954804c9fdc0c61e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d985e3221f35607db9cc0ba170adb62657c0b0a637c849c954804c9fdc0c61e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d985e3221f35607db9cc0ba170adb62657c0b0a637c849c954804c9fdc0c61e", kill_on_drop: false }`
[INFO] [stdout] 3d985e3221f35607db9cc0ba170adb62657c0b0a637c849c954804c9fdc0c61e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--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] ca1db944b7346f42a3170689cfa646b144c3273cfff95cad70e02c200a5fe78b
[INFO] running `Command { std: "docker" "start" "-a" "ca1db944b7346f42a3170689cfa646b144c3273cfff95cad70e02c200a5fe78b", kill_on_drop: false }`
[INFO] [stderr]     Checking solve-tic-tac-toe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `WINNING_POSITIONS`
[INFO] [stdout]   --> src/loop_strategy.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout] 4  | / const WINNING_POSITIONS: [[u8;9];8] = [
[INFO] [stdout] 5  | |     [1, 1, 1, 0, 0, 0, 0, 0, 0],
[INFO] [stdout] 6  | |     [0, 0, 0, 1, 1, 1, 0, 0, 0],
[INFO] [stdout] 7  | |     [0, 0, 0, 0, 0, 0, 1, 1, 1],
[INFO] [stdout] ...  |
[INFO] [stdout] 12 | |     [0, 0, 1, 0, 1, 0, 1, 0, 0]
[INFO] [stdout] 13 | | ];
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_row_from_index`
[INFO] [stdout]   --> src/loop_strategy.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn get_row_from_index(board: &Board, i: usize) -> [PlaceValue;3] {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `value_on_board`
[INFO] [stdout]   --> src/loop_strategy.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn value_on_board(board: &Board, i: usize) -> PlaceValue {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `eval_winner`
[INFO] [stdout]   --> src/loop_strategy.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn eval_winner(board: &Board) -> Option<PlaceValue> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "ca1db944b7346f42a3170689cfa646b144c3273cfff95cad70e02c200a5fe78b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca1db944b7346f42a3170689cfa646b144c3273cfff95cad70e02c200a5fe78b", kill_on_drop: false }`
[INFO] [stdout] ca1db944b7346f42a3170689cfa646b144c3273cfff95cad70e02c200a5fe78b