[INFO] cloning repository https://github.com/dicksonch/2048-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dicksonch/2048-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdicksonch%2F2048-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdicksonch%2F2048-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b3bbc3a290c7ec3e8930b4eb1217cf233b5256c4
[INFO] testing dicksonch/2048-rust against 1.98.0-beta.1 for beta-1.98-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdicksonch%2F2048-rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dicksonch/2048-rust
[INFO] finished tweaking git repo https://github.com/dicksonch/2048-rust
[INFO] tweaked toml for git repo https://github.com/dicksonch/2048-rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dicksonch/2048-rust on toolchain 1.98.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dicksonch/2048-rust 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" "+1.98.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] b4503bff8b45d31796c08bb341cfa04f87e079676c7db81f1afe344563c7d5ae
[INFO] running `Command { std: "docker" "start" "b4503bff8b45d31796c08bb341cfa04f87e079676c7db81f1afe344563c7d5ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4503bff8b45d31796c08bb341cfa04f87e079676c7db81f1afe344563c7d5ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b4503bff8b45d31796c08bb341cfa04f87e079676c7db81f1afe344563c7d5ae" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4503bff8b45d31796c08bb341cfa04f87e079676c7db81f1afe344563c7d5ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b4503bff8b45d31796c08bb341cfa04f87e079676c7db81f1afe344563c7d5ae" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling mio v1.2.0
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling unicode-segmentation v1.13.2
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling lru v0.12.5
[INFO] [stderr]    Compiling unicode-width v0.2.0
[INFO] [stderr]    Compiling darling_core v0.23.0
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]    Compiling compact_str v0.8.1
[INFO] [stderr]    Compiling clap_derive v4.6.1
[INFO] [stderr]    Compiling cassowary v0.3.0
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling rand v0.8.6
[INFO] [stderr]    Compiling signal-hook-mio v0.2.5
[INFO] [stderr]    Compiling crossterm v0.28.1
[INFO] [stderr]    Compiling strum v0.26.3
[INFO] [stderr]    Compiling clap v4.6.1
[INFO] [stderr]    Compiling unicode-truncate v1.1.0
[INFO] [stderr]    Compiling darling_macro v0.23.0
[INFO] [stderr]    Compiling darling v0.23.0
[INFO] [stderr]    Compiling instability v0.3.12
[INFO] [stderr]    Compiling ratatui v0.29.0
[INFO] [stderr]    Compiling twenty48 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.01s
[INFO] running `Command { std: "docker" "inspect" "b4503bff8b45d31796c08bb341cfa04f87e079676c7db81f1afe344563c7d5ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b4503bff8b45d31796c08bb341cfa04f87e079676c7db81f1afe344563c7d5ae" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling twenty48 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "b4503bff8b45d31796c08bb341cfa04f87e079676c7db81f1afe344563c7d5ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b4503bff8b45d31796c08bb341cfa04f87e079676c7db81f1afe344563c7d5ae" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/twenty48-6f4743f61e41efef)
[INFO] [stdout] running 27 tests
[INFO] [stdout] test ai::heuristic::tests::empty_util_is_non_decreasing ... ok
[INFO] [stdout] test ai::heuristic::tests::evaluate_empty_board_is_finite_and_positive ... ok
[INFO] [stdout] test ai::heuristic::tests::max_tile_at_corner_beats_center ... ok
[INFO] [stdout] test ai::heuristic::tests::mirror_snake_boards_score_equally ... ok
[INFO] [stdout] test ai::heuristic::tests::snake_board_scores_higher_than_random_shuffle ... ok
[INFO] [stdout] test board::bitboard::tests::count_empty_cases ... ok
[INFO] [stdout] test board::bitboard::tests::empties_counts_correct ... ok
[INFO] [stdout] test board::bitboard::tests::from_array_to_array_round_trip ... ok
[INFO] [stdout] test board::bitboard::tests::get_and_set_row ... ok
[INFO] [stdout] test ai::heuristic::tests::evaluate_terminal_board_no_panic ... ok
[INFO] [stdout] test board::bitboard::tests::transpose_correctness ... ok
[INFO] [stdout] test game::spawn::tests::empties_counts_correct ... ok
[INFO] [stdout] test game::spawn::tests::spawn_on_full_board_returns_none ... ok
[INFO] [stdout] test board::tables::tests::reverse_row_involution ... ok
[INFO] [stdout] test board::bitboard::tests::max_cell_cases ... ok
[INFO] [stdout] test game::spawn::tests::spawn_on_empty_board_succeeds ... ok
[INFO] [stdout] test tui::app::tests::illegal_move_does_not_push_history ... ok
[INFO] [stdout] test board::bitboard::tests::illegal_move_returns_none ... ok
[INFO] [stdout] test board::bitboard::tests::legal_moves_on_sparse_board ... ok
[INFO] [stdout] test game::state::tests::legal_moves_all_on_empty ... ok
[INFO] [stdout] test tui::app::tests::reset_clears_history_and_hint ... ok
[INFO] [stdout] test board::bitboard::tests::up_down_via_transpose ... ok
[INFO] [stdout] test board::bitboard::tests::has_move_and_terminal ... ok
[INFO] [stdout] test tui::app::tests::undo_restores_board_and_score ... ok
[INFO] [stdout] test board::bitboard::tests::slide_cases ... ok
[INFO] [stdout] test board::tables::tests::canonical_move_cases ... ok
[INFO] [stdout] test game::spawn::tests::spawn_probability_matches_p_tile_4 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 27 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.30s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/twenty48-72caa9c94ccf76f3)
[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] [stderr]      Running tests/ai_search.rs (/opt/rustwide/target/debug/deps/ai_search-70a9bbfbc0789ace)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test best_move_terminal_returns_none ... ok
[INFO] [stdout] test best_move_legal_on_mid_game_board ... ok
[INFO] [stdout] test best_move_legal_on_simple_board ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/game_rules.rs (/opt/rustwide/target/debug/deps/game_rules-5cacfb123b5f219a)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test different_seeds_give_different_boards ... ok
[INFO] [stdout] test new_game_score_and_moves_are_zero ... ok
[INFO] [stdout] test regression_seeds_all_start_with_some_tiles ... ok
[INFO] [stdout] test illegal_move_returns_err_and_no_side_effects ... ok
[INFO] [stdout] test score_increases_on_merge ... ok
[INFO] [stdout] test new_game_is_not_terminal ... ok
[INFO] [stdout] test board_with_one_merge_is_not_terminal ... ok
[INFO] [stdout] test terminal_board_detected_correctly ... ok
[INFO] [stdout] test valid_move_changes_board ... ok
[INFO] [stdout] test valid_move_increments_move_counter ... ok
[INFO] [stdout] test same_moves_same_outcome_across_clones ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests twenty48
[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" "b4503bff8b45d31796c08bb341cfa04f87e079676c7db81f1afe344563c7d5ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4503bff8b45d31796c08bb341cfa04f87e079676c7db81f1afe344563c7d5ae", kill_on_drop: false }`
[INFO] [stdout] b4503bff8b45d31796c08bb341cfa04f87e079676c7db81f1afe344563c7d5ae