[INFO] fetching crate xo-core 0.2.0-alpha...
[INFO] testing xo-core-0.2.0-alpha against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate xo-core 0.2.0-alpha into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate xo-core 0.2.0-alpha
[INFO] finished tweaking crates.io crate xo-core 0.2.0-alpha
[INFO] tweaked toml for crates.io crate xo-core 0.2.0-alpha written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate xo-core 0.2.0-alpha on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate xo-core 0.2.0-alpha 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e58cb500421409791aed313c5107606a75efc5663eded36c2b03e4f6cc963854
[INFO] running `Command { std: "docker" "start" "-a" "e58cb500421409791aed313c5107606a75efc5663eded36c2b03e4f6cc963854", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e58cb500421409791aed313c5107606a75efc5663eded36c2b03e4f6cc963854", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e58cb500421409791aed313c5107606a75efc5663eded36c2b03e4f6cc963854", kill_on_drop: false }`
[INFO] [stdout] e58cb500421409791aed313c5107606a75efc5663eded36c2b03e4f6cc963854
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aec304dc0aca640e91f18568f928a3be83dd0b593dddc831818ba3a623dc8df7
[INFO] running `Command { std: "docker" "start" "-a" "aec304dc0aca640e91f18568f928a3be83dd0b593dddc831818ba3a623dc8df7", kill_on_drop: false }`
[INFO] [stderr]    Compiling xo-core v0.2.0-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "aec304dc0aca640e91f18568f928a3be83dd0b593dddc831818ba3a623dc8df7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aec304dc0aca640e91f18568f928a3be83dd0b593dddc831818ba3a623dc8df7", kill_on_drop: false }`
[INFO] [stdout] aec304dc0aca640e91f18568f928a3be83dd0b593dddc831818ba3a623dc8df7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 459304ea5ef0b3064073c3868aa1d97589d3587694ab99ebe41a491f68716668
[INFO] running `Command { std: "docker" "start" "-a" "459304ea5ef0b3064073c3868aa1d97589d3587694ab99ebe41a491f68716668", kill_on_drop: false }`
[INFO] [stderr]    Compiling xo-core v0.2.0-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "459304ea5ef0b3064073c3868aa1d97589d3587694ab99ebe41a491f68716668", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "459304ea5ef0b3064073c3868aa1d97589d3587694ab99ebe41a491f68716668", kill_on_drop: false }`
[INFO] [stdout] 459304ea5ef0b3064073c3868aa1d97589d3587694ab99ebe41a491f68716668
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6dae8562f1b086d71fe7494a89b69482ab7d0a5a07acb6d23718fd0358812dc2
[INFO] running `Command { std: "docker" "start" "-a" "6dae8562f1b086d71fe7494a89b69482ab7d0a5a07acb6d23718fd0358812dc2", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/xo_core-edb1d9c81889982a)
[INFO] [stdout] running 14 tests
[INFO] [stdout] test game_engine::tests::human_vs_human_mode ... ok
[INFO] [stdout] test game_engine::tests::invalid_move_out_of_bounds ... ok
[INFO] [stdout] test game_engine::tests::x_can_win ... ok
[INFO] [stdout] test tests::board_updates_correctly ... ok
[INFO] [stdout] test tests::ai_blocks_win ... ok
[INFO] [stdout] test tests::ai_chooses_winning_move ... ok
[INFO] [stdout] test tests::cannot_play_on_occupied_cell ... ok
[INFO] [stdout] test tests::cannot_play_out_of_bounds ... ok
[INFO] [stdout] test tests::tie_game ... ok
[INFO] [stdout] test tests::x_wins_top_row ... ok
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/xo_core-0f8285c4ed1d6c88)
[INFO] [stdout] test game_engine::tests::invalid_move_occupied ... ok
[INFO] [stdout] test tests::o_wins_diagonal ... ok
[INFO] [stdout] test game_engine::tests::tie_game ... ok
[INFO] [stdout] test game_engine::tests::minimax_ai_blocks_win ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests xo_core
[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] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/game_engine.rs - game_engine::GameEngine (line 28) ... ok
[INFO] [stdout] test src/game_engine.rs - game_engine::GameEngine::get_best_move (line 176) ... ok
[INFO] [stdout] test src/game_engine.rs - game_engine::GameEngine (line 40) ... ok
[INFO] [stdout] test src/game_engine.rs - game_engine::GameEngine::with_ai (line 93) ... ok
[INFO] [stdout] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] test src/game_engine.rs - game_engine::GameEngine::new (line 69) ... ok
[INFO] [stdout] test src/game_engine.rs - game_engine::GameEngine::make_move (line 124) ... ok
[INFO] [stdout] test src/game_engine.rs - game_engine::GameEngine::get_best_move (line 183) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6dae8562f1b086d71fe7494a89b69482ab7d0a5a07acb6d23718fd0358812dc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dae8562f1b086d71fe7494a89b69482ab7d0a5a07acb6d23718fd0358812dc2", kill_on_drop: false }`
[INFO] [stdout] 6dae8562f1b086d71fe7494a89b69482ab7d0a5a07acb6d23718fd0358812dc2