[INFO] fetching crate dancing_links_sudoku 1.0.0...
[INFO] testing dancing_links_sudoku-1.0.0 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate dancing_links_sudoku 1.0.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate dancing_links_sudoku 1.0.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate dancing_links_sudoku 1.0.0
[INFO] tweaked toml for crates.io crate dancing_links_sudoku 1.0.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dancing_links_sudoku 1.0.0 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate dancing_links_sudoku 1.0.0 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" "+1.100.0-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-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] db2a0bd93e85e7a75d3dc3899fff457de7e1221755b822327e1aae0b90089d59
[INFO] running `Command { std: "docker" "start" "db2a0bd93e85e7a75d3dc3899fff457de7e1221755b822327e1aae0b90089d59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db2a0bd93e85e7a75d3dc3899fff457de7e1221755b822327e1aae0b90089d59", 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" "db2a0bd93e85e7a75d3dc3899fff457de7e1221755b822327e1aae0b90089d59" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db2a0bd93e85e7a75d3dc3899fff457de7e1221755b822327e1aae0b90089d59", 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" "db2a0bd93e85e7a75d3dc3899fff457de7e1221755b822327e1aae0b90089d59" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.182
[INFO] [stderr]    Compiling zerocopy v0.8.40
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling dancing_links_sudoku v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 7.62s
[INFO] running `Command { std: "docker" "inspect" "db2a0bd93e85e7a75d3dc3899fff457de7e1221755b822327e1aae0b90089d59", 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" "db2a0bd93e85e7a75d3dc3899fff457de7e1221755b822327e1aae0b90089d59" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.120
[INFO] [stderr]    Compiling bumpalo v3.20.2
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling futures-core v0.3.32
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling wasm-bindgen v0.2.120
[INFO] [stderr]    Compiling nu-ansi-term v0.50.3
[INFO] [stderr]    Compiling wasm-bindgen-test-shared v0.2.120
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.120
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.70
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.120
[INFO] [stderr]    Compiling js-sys v0.3.97
[INFO] [stderr]    Compiling wasm-bindgen-futures v0.4.70
[INFO] [stderr]    Compiling wasm-bindgen-test v0.3.70
[INFO] [stderr]    Compiling dancing_links_sudoku v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 28.99s
[INFO] running `Command { std: "docker" "inspect" "db2a0bd93e85e7a75d3dc3899fff457de7e1221755b822327e1aae0b90089d59", 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" "db2a0bd93e85e7a75d3dc3899fff457de7e1221755b822327e1aae0b90089d59" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/build/dancing_links_sudoku/f17741f0e53a0240/out/dancing_links_sudoku-f17741f0e53a0240)
[INFO] [stdout] 
[INFO] [stdout] running 39 tests
[INFO] [stdout] test algorithm_x::algorithm_x_tests::test_detects_sub_grid_constraints ... ok
[INFO] [stdout] test algorithm_x::algorithm_x_tests::test_detects_two_random_column_constraints ... ok
[INFO] [stdout] test algorithm_x::algorithm_x_tests::on_an_empty_board_it_returns_the_correct_constraints ... ok
[INFO] [stdout] test algorithm_x::algorithm_x_tests::test_no_false_positives ... ok
[INFO] [stdout] test algorithm_x::algorithm_x_tests::test_detects_all_constraints_satisfied ... ok
[INFO] [stdout] test algorithm_x::algorithm_x_tests::test_pick_row ... ok
[INFO] [stdout] test algorithm_x::algorithm_x_tests::correctly_resolves_first_row ... ok
[INFO] [stdout] test algorithm_x::algorithm_x_tests::test_generate_constraint_table ... ok
[INFO] [stdout] test algorithm_x::algorithm_x_tests::correctly_resolves_two_rows ... ok
[INFO] [stdout] test algorithm_x::algorithm_x_tests::test_get_conflicting_rows ... ok
[INFO] [stdout] test algorithm_x::algorithm_x_tests::test_map_solution_set_to_board ... ok
[INFO] [stdout] test board::tests::it_sets ... ok
[INFO] [stdout] test algorithm_x::algorithm_x_tests::test_find_satisfying_row_scenarios ... ok
[INFO] [stdout] test algorithm_x::algorithm_x_tests::test_detects_first_column_constraints ... ok
[INFO] [stdout] test algorithm_x::algorithm_x_tests::test_generate_initial_state ... ok
[INFO] [stdout] test board::tests::board_get_column ... ok
[INFO] [stdout] test algorithm_x::algorithm_x_tests::test_no_unnecessary_backtracks ... ok
[INFO] [stdout] test algorithm_x::algorithm_x_tests::test_algorithm_x ... ok
[INFO] [stdout] test dancing_links::dancing_links_test::it_reveals_all_columns_for_a_row ... ok
[INFO] [stdout] test algorithm_x::algorithm_x_tests::test_backtracking ... ok
[INFO] [stdout] test dancing_links::dancing_links_test::it_can_construct_an_empty_table ... ok
[INFO] [stdout] test dancing_links::dancing_links_test::it_reveals_multiple_hidden_rows_in_reverse_order ... ok
[INFO] [stdout] test algorithm_x::algorithm_x_tests::returns_unique_solutions_when_many_are_requested ... ok
[INFO] [stdout] test dancing_links::dancing_links_test::it_returns_none_when_column_has_no_cells ... ok
[INFO] [stdout] test dancing_links::dancing_links_test::test_generate_column_headers ... ok
[INFO] [stdout] test dancing_links::dancing_links_test::it_coveres_all_columns_for_a_row ... ok
[INFO] [stdout] test dancing_links::dancing_links_test::it_links_the_rows_in_an_uninitialized_table ... ok
[INFO] [stdout] test dancing_links::dancing_links_test::it_covers_a_column ... ok
[INFO] [stdout] test dancing_links::dancing_links_test::it_links_the_columns_in_an_uninitlized_table ... ok
[INFO] [stdout] test dancing_links::dancing_links_test::it_finds_all_expected_rows ... ok
[INFO] [stdout] test dancing_links::dancing_links_test::it_selects_first_column_simple ... ok
[INFO] [stdout] test dancing_links::dancing_links_test::launch_dancing_links_returns_an_exact_cover_solution ... ok
[INFO] [stdout] test dancing_links::dancing_links_test::linked_row_indexes_are_offset_by_column_header_row ... ok
[INFO] [stdout] test dancing_links::dancing_links_test::it_generates_a_linked_table ... ok
[INFO] [stdout] test dancing_links::dancing_links_test::it_hides_a_cell ... ok
[INFO] [stdout] test dancing_links::dancing_links_test::it_selects_optimal_column ... ok
[INFO] [stdout] test dancing_links::dancing_links_test::it_selects_random_column_simple ... ok
[INFO] [stdout] test dancing_links::dancing_links_test::it_hides_column_headers ... ok
[INFO] [stdout] test dancing_links::dancing_links_test::it_generates_unlinked_rows ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 39 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.39s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/generates_board_test.rs (/opt/rustwide/target/release/build/dancing_links_sudoku/bb2a02ff9d47ccab/out/generates_board_test-bb2a02ff9d47ccab)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test it_generates_a_board ... ok
[INFO] [stdout] test it_generates_many_sequential_boards ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dancing_links_sudoku
[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" "db2a0bd93e85e7a75d3dc3899fff457de7e1221755b822327e1aae0b90089d59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db2a0bd93e85e7a75d3dc3899fff457de7e1221755b822327e1aae0b90089d59", kill_on_drop: false }`
[INFO] [stdout] db2a0bd93e85e7a75d3dc3899fff457de7e1221755b822327e1aae0b90089d59
