[INFO] cloning repository https://github.com/kgtkr/othello
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kgtkr/othello" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkgtkr%2Fothello", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkgtkr%2Fothello'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 98701536d5c8700feaae439a78d0c4d6a7c0425f
[INFO] testing kgtkr/othello against beta-2025-04-13 for beta-1.87-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkgtkr%2Fothello" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kgtkr/othello on toolchain beta-2025-04-13
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-04-13" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kgtkr/othello
[INFO] finished tweaking git repo https://github.com/kgtkr/othello
[INFO] tweaked toml for git repo https://github.com/kgtkr/othello written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kgtkr/othello 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-2025-04-13" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a49592b94e1b80129b258bcc70fd00b474a6cd74534f18168f6b2a13d708e78
[INFO] running `Command { std: "docker" "start" "-a" "5a49592b94e1b80129b258bcc70fd00b474a6cd74534f18168f6b2a13d708e78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a49592b94e1b80129b258bcc70fd00b474a6cd74534f18168f6b2a13d708e78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a49592b94e1b80129b258bcc70fd00b474a6cd74534f18168f6b2a13d708e78", kill_on_drop: false }`
[INFO] [stdout] 5a49592b94e1b80129b258bcc70fd00b474a6cd74534f18168f6b2a13d708e78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 975cec0abda17e4946ccc61cb6e240591ba7b994b031266f25d0ba1815df0df6
[INFO] running `Command { std: "docker" "start" "-a" "975cec0abda17e4946ccc61cb6e240591ba7b994b031266f25d0ba1815df0df6", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling othello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `Piece` is never used
[INFO] [stdout]  --> src/game.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum Piece {
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Cell` is never used
[INFO] [stdout]  --> src/game.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | type Cell = Option<Piece>;
[INFO] [stdout]   |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Board` is never used
[INFO] [stdout]  --> src/game.rs:8:6
[INFO] [stdout]   |
[INFO] [stdout] 8 | type Board = [[Cell; 8]; 8];
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `GameResult` is never used
[INFO] [stdout]   --> src/game.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum GameResult {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Game` is never constructed
[INFO] [stdout]   --> src/game.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct Game {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `size`, `new`, and `next` are never used
[INFO] [stdout]   --> src/game.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl Game {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 26 |   const size: usize = 8;
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 27 |
[INFO] [stdout] 28 |   pub fn new() -> Game {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |   pub fn next() -> GameResult {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant `size` should have an upper case name
[INFO] [stdout]   --> src/game.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |   const size: usize = 8;
[INFO] [stdout]    |         ^^^^ help: convert the identifier to upper case: `SIZE`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "975cec0abda17e4946ccc61cb6e240591ba7b994b031266f25d0ba1815df0df6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "975cec0abda17e4946ccc61cb6e240591ba7b994b031266f25d0ba1815df0df6", kill_on_drop: false }`
[INFO] [stdout] 975cec0abda17e4946ccc61cb6e240591ba7b994b031266f25d0ba1815df0df6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d095693ef695d639da6d6bf2bd5aac1556f213d7f456b513bce3ab777e826b7
[INFO] running `Command { std: "docker" "start" "-a" "3d095693ef695d639da6d6bf2bd5aac1556f213d7f456b513bce3ab777e826b7", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling othello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `Piece` is never used
[INFO] [stdout]  --> src/game.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum Piece {
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Cell` is never used
[INFO] [stdout]  --> src/game.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | type Cell = Option<Piece>;
[INFO] [stdout]   |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Board` is never used
[INFO] [stdout]  --> src/game.rs:8:6
[INFO] [stdout]   |
[INFO] [stdout] 8 | type Board = [[Cell; 8]; 8];
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `GameResult` is never used
[INFO] [stdout]   --> src/game.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum GameResult {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Game` is never constructed
[INFO] [stdout]   --> src/game.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct Game {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `size`, `new`, and `next` are never used
[INFO] [stdout]   --> src/game.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl Game {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 26 |   const size: usize = 8;
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 27 |
[INFO] [stdout] 28 |   pub fn new() -> Game {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |   pub fn next() -> GameResult {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant `size` should have an upper case name
[INFO] [stdout]   --> src/game.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |   const size: usize = 8;
[INFO] [stdout]    |         ^^^^ help: convert the identifier to upper case: `SIZE`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "3d095693ef695d639da6d6bf2bd5aac1556f213d7f456b513bce3ab777e826b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d095693ef695d639da6d6bf2bd5aac1556f213d7f456b513bce3ab777e826b7", kill_on_drop: false }`
[INFO] [stdout] 3d095693ef695d639da6d6bf2bd5aac1556f213d7f456b513bce3ab777e826b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 82e20be886f41b32e9655211ac3d4dfa495b7a7bef3f8acbc64ac9ee606d25ac
[INFO] running `Command { std: "docker" "start" "-a" "82e20be886f41b32e9655211ac3d4dfa495b7a7bef3f8acbc64ac9ee606d25ac", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: enum `Piece` is never used
[INFO] [stderr]  --> src/game.rs:2:6
[INFO] [stderr]   |
[INFO] [stderr] 2 | enum Piece {
[INFO] [stderr]   |      ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `Cell` is never used
[INFO] [stderr]  --> src/game.rs:7:6
[INFO] [stderr]   |
[INFO] [stderr] 7 | type Cell = Option<Piece>;
[INFO] [stderr]   |      ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `Board` is never used
[INFO] [stderr]  --> src/game.rs:8:6
[INFO] [stderr]   |
[INFO] [stderr] 8 | type Board = [[Cell; 8]; 8];
[INFO] [stderr]   |      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `GameResult` is never used
[INFO] [stderr]   --> src/game.rs:11:6
[INFO] [stderr]    |
[INFO] [stderr] 11 | enum GameResult {
[INFO] [stderr]    |      ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Game` is never constructed
[INFO] [stderr]   --> src/game.rs:20:8
[INFO] [stderr]    |
[INFO] [stderr] 20 | struct Game {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `size`, `new`, and `next` are never used
[INFO] [stderr]   --> src/game.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 25 | impl Game {
[INFO] [stderr]    | --------- associated items in this implementation
[INFO] [stderr] 26 |   const size: usize = 8;
[INFO] [stderr]    |         ^^^^
[INFO] [stderr] 27 |
[INFO] [stderr] 28 |   pub fn new() -> Game {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] ...
[INFO] [stderr] 63 |   pub fn next() -> GameResult {
[INFO] [stderr]    |          ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant `size` should have an upper case name
[INFO] [stderr]   --> src/game.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |   const size: usize = 8;
[INFO] [stderr]    |         ^^^^ help: convert the identifier to upper case: `SIZE`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `othello` (bin "othello" test) generated 7 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/othello-89f3162ba3833660)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "82e20be886f41b32e9655211ac3d4dfa495b7a7bef3f8acbc64ac9ee606d25ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82e20be886f41b32e9655211ac3d4dfa495b7a7bef3f8acbc64ac9ee606d25ac", kill_on_drop: false }`
[INFO] [stdout] 82e20be886f41b32e9655211ac3d4dfa495b7a7bef3f8acbc64ac9ee606d25ac