[INFO] fetching crate spooky_connect4 0.7.0...
[INFO] testing spooky_connect4-0.7.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate spooky_connect4 0.7.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate spooky_connect4 0.7.0
[INFO] finished tweaking crates.io crate spooky_connect4 0.7.0
[INFO] tweaked toml for crates.io crate spooky_connect4 0.7.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate spooky_connect4 0.7.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate spooky_connect4 0.7.0 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-2026-04-21" "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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00c2c3af54dc17421f7c22d7f0ff91d4c3e56a2fdbdd39e200e592731af877cf
[INFO] running `Command { std: "docker" "start" "-a" "00c2c3af54dc17421f7c22d7f0ff91d4c3e56a2fdbdd39e200e592731af877cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00c2c3af54dc17421f7c22d7f0ff91d4c3e56a2fdbdd39e200e592731af877cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00c2c3af54dc17421f7c22d7f0ff91d4c3e56a2fdbdd39e200e592731af877cf", kill_on_drop: false }`
[INFO] [stdout] 00c2c3af54dc17421f7c22d7f0ff91d4c3e56a2fdbdd39e200e592731af877cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eafaba5000ac35d994cb4ccae4277f0f93a03e1847658b0fcbec9c78e98bacb0
[INFO] running `Command { std: "docker" "start" "-a" "eafaba5000ac35d994cb4ccae4277f0f93a03e1847658b0fcbec9c78e98bacb0", kill_on_drop: false }`
[INFO] [stderr]    Compiling spooky_connect4 v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "eafaba5000ac35d994cb4ccae4277f0f93a03e1847658b0fcbec9c78e98bacb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eafaba5000ac35d994cb4ccae4277f0f93a03e1847658b0fcbec9c78e98bacb0", kill_on_drop: false }`
[INFO] [stdout] eafaba5000ac35d994cb4ccae4277f0f93a03e1847658b0fcbec9c78e98bacb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7bf6fd7960253a5020f8fbcebe87e719da2ea15baa348bce57a5b7d302b6dce5
[INFO] running `Command { std: "docker" "start" "-a" "7bf6fd7960253a5020f8fbcebe87e719da2ea15baa348bce57a5b7d302b6dce5", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling libc v0.2.185
[INFO] [stderr]    Compiling zerocopy-derive v0.8.48
[INFO] [stderr]    Compiling cc v1.2.60
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling rand_core v0.10.1
[INFO] [stderr]    Compiling clap_builder v4.6.0
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling cpufeatures v0.3.0
[INFO] [stderr]    Compiling chacha20 v0.10.0
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling alloca v0.4.0
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling page_size v0.6.0
[INFO] [stderr]    Compiling rand v0.10.1
[INFO] [stderr]    Compiling criterion-plot v0.8.2
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling clap v4.6.0
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling criterion v0.8.2
[INFO] [stderr]    Compiling spooky_connect4 v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 22.25s
[INFO] running `Command { std: "docker" "inspect" "7bf6fd7960253a5020f8fbcebe87e719da2ea15baa348bce57a5b7d302b6dce5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bf6fd7960253a5020f8fbcebe87e719da2ea15baa348bce57a5b7d302b6dce5", kill_on_drop: false }`
[INFO] [stdout] 7bf6fd7960253a5020f8fbcebe87e719da2ea15baa348bce57a5b7d302b6dce5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f93d81d5c418c60df3def2c8e574e4775c4e49d327071aeb4372614d46d441a6
[INFO] running `Command { std: "docker" "start" "-a" "f93d81d5c418c60df3def2c8e574e4775c4e49d327071aeb4372614d46d441a6", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/spooky_connect4-0158a08ae711b354)
[INFO] [stdout] 
[INFO] [stdout] running 62 tests
[INFO] [stdout] test bitboard::tests::test_andnot ... ok
[INFO] [stdout] test bitboard::tests::test_empty ... ok
[INFO] [stdout] test bitboard::tests::test_bitwise_ops ... ok
[INFO] [stdout] test bitboard::tests::test_has_four_diagonal_ascending ... ok
[INFO] [stdout] test bitboard::tests::test_geometry_7x6 ... ok
[INFO] [stdout] test bitboard::tests::test_iter_ones ... ok
[INFO] [stdout] test bitboard::tests::test_iter_ones_empty ... ok
[INFO] [stdout] test bitboard::tests::test_no_wraparound_horizontal ... ok
[INFO] [stdout] test bitboard::tests::test_no_wraparound_diagonal ... ok
[INFO] [stdout] test bitboard::tests::test_nw_values ... ok
[INFO] [stdout] test bitboard::tests::test_has_four_horizontal ... ok
[INFO] [stdout] test bitboard::tests::test_set_clear ... ok
[INFO] [stdout] test bitboard::tests::test_shift_left ... ok
[INFO] [stdout] test bitboard::tests::test_has_four_vertical ... ok
[INFO] [stdout] test board::tests::test_column_full ... ok
[INFO] [stdout] test bitboard::tests::test_shift_by_width ... ok
[INFO] [stdout] test board::tests::test_diagonal_win_descending ... ok
[INFO] [stdout] test bitboard::tests::test_not ... ok
[INFO] [stdout] test board::tests::test_diagonal_win_ascending ... ok
[INFO] [stdout] test board::tests::test_board_full ... ok
[INFO] [stdout] test board::tests::test_drop_multiple_pieces ... ok
[INFO] [stdout] test board::tests::test_empty_board_creation_10x10 ... ok
[INFO] [stdout] test bitboard::tests::test_single ... ok
[INFO] [stdout] test board::tests::test_board_sizes ... ok
[INFO] [stdout] test board::tests::test_get_set ... ok
[INFO] [stdout] test encode::tests::test_encode_decode_move ... ok
[INFO] [stdout] test encode::tests::test_encode_arbitrary_board_size_10x8 ... ok
[INFO] [stdout] test board::tests::test_horizontal_win ... ok
[INFO] [stdout] test encode::tests::test_encode_game_empty ... ok
[INFO] [stdout] test encode::tests::test_encode_game_with_pieces ... ok
[INFO] [stdout] test encode::tests::test_encoding_after_undo ... ok
[INFO] [stdout] test board::tests::test_invalid_column ... ok
[INFO] [stdout] test encode::tests::test_encode_arbitrary_board_size_5x5 ... ok
[INFO] [stdout] test bitboard::tests::test_shift_right ... ok
[INFO] [stdout] test board::tests::test_vertical_win ... ok
[INFO] [stdout] test bitboard::tests::test_has_four_diagonal_descending ... ok
[INFO] [stdout] test encode::tests::test_encoding_full_column ... ok
[INFO] [stdout] test encode::tests::test_encode_different_board_sizes_different_encodings ... ok
[INFO] [stdout] test board::tests::test_out_of_bounds ... ok
[INFO] [stdout] test board::tests::test_no_win ... ok
[INFO] [stdout] test encode::tests::test_encoding_consistency ... ok
[INFO] [stdout] test game::tests::test_clone ... ok
[INFO] [stdout] test encode::tests::test_encoding_different_positions ... ok
[INFO] [stdout] test game::tests::test_legal_moves_when_column_full ... ok
[INFO] [stdout] test game::tests::test_make_move ... ok
[INFO] [stdout] test game::tests::test_make_invalid_move ... ok
[INFO] [stdout] test game::tests::test_is_legal_move_after_column_full ... ok
[INFO] [stdout] test game::tests::test_legal_moves_initial ... ok
[INFO] [stdout] test game::tests::test_multiple_unmakes ... ok
[INFO] [stdout] test game::tests::test_unmake_move ... ok
[INFO] [stdout] test game::tests::test_legal_moves_when_game_over ... ok
[INFO] [stdout] test game::tests::test_vertical_win ... ok
[INFO] [stdout] test game::tests::test_new_game ... ok
[INFO] [stdout] test game::tests::test_horizontal_win ... ok
[INFO] [stdout] test game::tests::test_unmake_when_empty ... ok
[INFO] [stdout] test board::tests::test_empty_board_creation ... ok
[INFO] [stdout] test board::tests::test_drop_piece ... ok
[INFO] [stdout] test bitboard::tests::test_assign_ops ... ok
[INFO] [stdout] test encode::tests::test_invalid_action_decoding ... ok
[INFO] [stdout] test game::tests::test_draw ... ok
[INFO] [stdout] test game::tests::test_move_history ... ok
[INFO] [stdout] test encode::tests::test_fuzz_encoding_random_games ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 62 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.34s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests spooky_connect4
[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" "f93d81d5c418c60df3def2c8e574e4775c4e49d327071aeb4372614d46d441a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f93d81d5c418c60df3def2c8e574e4775c4e49d327071aeb4372614d46d441a6", kill_on_drop: false }`
[INFO] [stdout] f93d81d5c418c60df3def2c8e574e4775c4e49d327071aeb4372614d46d441a6
