[INFO] fetching crate monte-carlo-tree-search 0.3.0...
[INFO] testing monte-carlo-tree-search-0.3.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate monte-carlo-tree-search 0.3.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate monte-carlo-tree-search 0.3.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate monte-carlo-tree-search 0.3.0
[INFO] tweaked toml for crates.io crate monte-carlo-tree-search 0.3.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate monte-carlo-tree-search 0.3.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate monte-carlo-tree-search 0.3.0 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f0e6ab08d95ae9a4bfd5bb90124796b67eb815d18cce7de57fb7ca4f61d1cb1
[INFO] running `Command { std: "docker" "start" "-a" "7f0e6ab08d95ae9a4bfd5bb90124796b67eb815d18cce7de57fb7ca4f61d1cb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f0e6ab08d95ae9a4bfd5bb90124796b67eb815d18cce7de57fb7ca4f61d1cb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f0e6ab08d95ae9a4bfd5bb90124796b67eb815d18cce7de57fb7ca4f61d1cb1", kill_on_drop: false }`
[INFO] [stdout] 7f0e6ab08d95ae9a4bfd5bb90124796b67eb815d18cce7de57fb7ca4f61d1cb1
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c23255a444839e9cc87586d61ec31e5f2b8be5b7327fc93c13016f212070729
[INFO] running `Command { std: "docker" "start" "-a" "0c23255a444839e9cc87586d61ec31e5f2b8be5b7327fc93c13016f212070729", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.15
[INFO] [stderr]    Compiling zerocopy v0.8.14
[INFO] [stderr]    Compiling getrandom v0.3.0
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling rand_core v0.9.0
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.0
[INFO] [stderr]    Compiling monte-carlo-tree-search v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.61s
[INFO] running `Command { std: "docker" "inspect" "0c23255a444839e9cc87586d61ec31e5f2b8be5b7327fc93c13016f212070729", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c23255a444839e9cc87586d61ec31e5f2b8be5b7327fc93c13016f212070729", kill_on_drop: false }`
[INFO] [stdout] 0c23255a444839e9cc87586d61ec31e5f2b8be5b7327fc93c13016f212070729
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59c4a281ab92fc618a45883a74053dbd0c21660d4b513f9183fde21707b6af01
[INFO] running `Command { std: "docker" "start" "-a" "59c4a281ab92fc618a45883a74053dbd0c21660d4b513f9183fde21707b6af01", kill_on_drop: false }`
[INFO] [stderr]    Compiling tic-tac-toe-board v0.2.2
[INFO] [stderr]    Compiling connect-four-solver v0.2.4
[INFO] [stderr]    Compiling monte-carlo-tree-search v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.07s
[INFO] running `Command { std: "docker" "inspect" "59c4a281ab92fc618a45883a74053dbd0c21660d4b513f9183fde21707b6af01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59c4a281ab92fc618a45883a74053dbd0c21660d4b513f9183fde21707b6af01", kill_on_drop: false }`
[INFO] [stdout] 59c4a281ab92fc618a45883a74053dbd0c21660d4b513f9183fde21707b6af01
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d687b3b64087debd3b31898a5c9bff0e785d3e996a5e61e6815ff58c273c6ef5
[INFO] running `Command { std: "docker" "start" "-a" "d687b3b64087debd3b31898a5c9bff0e785d3e996a5e61e6815ff58c273c6ef5", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/monte_carlo_tree_search-279f95ac0571f4ef)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test evaluation::count_wdl_solved::test::compare_evaluations ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/connect-four.rs (/opt/rustwide/target/debug/deps/connect_four-061056811ed61a8e)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test beat_perfect_solver_as_player_one ... ignored, Computes a long time. More a design exploration, than an actual test
[INFO] [stdout] test play_against_yourself ... ignored, Computes a long time. More a design exploration, than an actual test
[INFO] [stdout] test solve_connect_four ... ignored, Not powerful enough to solve the game, yet. Takes a long time.
[INFO] [stdout] test play_move_connect_four ... ok
[INFO] [stdout] test position_424424455557722225141717 ... ok
[INFO] [stdout] test start_from_terminal_position ... ok
[INFO] [stdout] test position_42442445555772222514171 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration.rs (/opt/rustwide/target/debug/deps/integration-89185c8fdbe6dc76)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test player_one_always_wins ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/tic-tac-toe.rs (/opt/rustwide/target/debug/deps/tic_tac_toe-7a15aecfc31066fb)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test prevent_immediate_win_of_player_one ... ok
[INFO] [stdout] test report_win_if_initialized_with_terminal_position ... ok
[INFO] [stdout] test solve_defeat_in_two_moves ... ok
[INFO] [stdout] test solve_draw_in_one_move ... ok
[INFO] [stdout] test solve_draw_in_three_moves ... ok
[INFO] [stdout] test solve_draw_in_two_moves ... ok
[INFO] [stdout] test prevent_immediate_win_of_player_two ... ok
[INFO] [stdout] test solve_win_in_one_move ... ok
[INFO] [stdout] test solve_win_in_five_moves ... ok
[INFO] [stdout] test unexplored_root_childs ... ok
[INFO] [stdout] test backpropagation_of_draw ... ok
[INFO] [stdout] test play_tic_tac_toe_using_ucb_solver ... ok
[INFO] [stdout] test play_tic_tac_toe_using_ucb ... ok
[INFO] [stdout] test solve_tic_tac_toe ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.17s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests monte_carlo_tree_search
[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" "d687b3b64087debd3b31898a5c9bff0e785d3e996a5e61e6815ff58c273c6ef5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d687b3b64087debd3b31898a5c9bff0e785d3e996a5e61e6815ff58c273c6ef5", kill_on_drop: false }`
[INFO] [stdout] d687b3b64087debd3b31898a5c9bff0e785d3e996a5e61e6815ff58c273c6ef5