[INFO] fetching crate binoxxo 0.4.0...
[INFO] testing binoxxo-0.4.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate binoxxo 0.4.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate binoxxo 0.4.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate binoxxo 0.4.0
[INFO] finished tweaking crates.io crate binoxxo 0.4.0
[INFO] tweaked toml for crates.io crate binoxxo 0.4.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate binoxxo 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4cca43d9f9a9563ee874eb5777b93dc475715a67db5a7700b6d427e9d948c660
[INFO] running `Command { std: "docker" "start" "-a" "4cca43d9f9a9563ee874eb5777b93dc475715a67db5a7700b6d427e9d948c660", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4cca43d9f9a9563ee874eb5777b93dc475715a67db5a7700b6d427e9d948c660", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cca43d9f9a9563ee874eb5777b93dc475715a67db5a7700b6d427e9d948c660", kill_on_drop: false }`
[INFO] [stdout] 4cca43d9f9a9563ee874eb5777b93dc475715a67db5a7700b6d427e9d948c660
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 939d67ad186b19f123423385d4497ce9024dba49b876706254da07744b7fcdf9
[INFO] running `Command { std: "docker" "start" "-a" "939d67ad186b19f123423385d4497ce9024dba49b876706254da07744b7fcdf9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling binoxxo v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.65s
[INFO] running `Command { std: "docker" "inspect" "939d67ad186b19f123423385d4497ce9024dba49b876706254da07744b7fcdf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "939d67ad186b19f123423385d4497ce9024dba49b876706254da07744b7fcdf9", kill_on_drop: false }`
[INFO] [stdout] 939d67ad186b19f123423385d4497ce9024dba49b876706254da07744b7fcdf9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e3f800fbd0d56f0370a9184d27fe892b200c19a98366020a7dd7aa411e04812
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2e3f800fbd0d56f0370a9184d27fe892b200c19a98366020a7dd7aa411e04812", kill_on_drop: false }`
[INFO] [stderr]    Compiling binoxxo v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.01s
[INFO] running `Command { std: "docker" "inspect" "2e3f800fbd0d56f0370a9184d27fe892b200c19a98366020a7dd7aa411e04812", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e3f800fbd0d56f0370a9184d27fe892b200c19a98366020a7dd7aa411e04812", kill_on_drop: false }`
[INFO] [stdout] 2e3f800fbd0d56f0370a9184d27fe892b200c19a98366020a7dd7aa411e04812
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c6b51102a0f2bb155502e872cac2d3b65605ee23cd6d9de4e315f83d08e9d245
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c6b51102a0f2bb155502e872cac2d3b65605ee23cd6d9de4e315f83d08e9d245", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/binoxxo-e0c735b3157345db
[INFO] [stdout] 
[INFO] [stdout] running 63 tests
[INFO] [stdout] test bruteforce::choose_move::tests::select_none_if_one_impossible_move_in_list ... ok
[INFO] [stdout] test bruteforce::possible_move::tests::get_possible_moves_for_all_empty_fields ... ok
[INFO] [stdout] test bruteforce::possible_move::tests::get_possible_one_moves_for_all_empty_fields ... ok
[INFO] [stdout] test bruteforce::possible_move::tests::get_possible_moves_does_not_change_board ... ok
[INFO] [stdout] test bruteforce::choose_move::tests::select_random_one_move_if_list_of_possible_moves_contains_one_move ... ok
[INFO] [stdout] test bruteforce::choose_move::tests::select_random_two_move_if_list_of_possible_moves_contains_only_two_moves ... ok
[INFO] [stdout] test bruteforce::possible_move::tests::move_not_possible_for_set_field ... ok
[INFO] [stdout] test bruteforce::possible_move::tests::only_option_x_possible ... ok
[INFO] [stdout] test bruteforce::possible_move::tests::only_option_o_possible ... ok
[INFO] [stdout] test bruteforce::rules::tests::calc_column_siganture_of_empty_column ... ok
[INFO] [stdout] test bruteforce::possible_move::tests::next_to_a_single_x_are_two_moves_possible ... ok
[INFO] [stdout] test bruteforce::possible_move::tests::two_options_for_empty_board ... ok
[INFO] [stdout] test bruteforce::rules::tests::has_no_more_than_two_same_neightbors_horz_finds_errors ... ok
[INFO] [stdout] test bruteforce::rules::tests::calc_column_siganture_of_non_empty_column ... ok
[INFO] [stdout] test bruteforce::rules::tests::has_no_more_than_two_same_neightbors_ignores_empty ... ok
[INFO] [stdout] test bruteforce::rules::tests::calc_row_siganture_of_empty_row ... ok
[INFO] [stdout] test bruteforce::rules::tests::has_no_more_than_two_same_neightbors_horz_ignores_empty ... ok
[INFO] [stdout] test bruteforce::rules::tests::empty_column_is_unique ... ok
[INFO] [stdout] test bruteforce::rules::tests::has_no_more_than_two_same_neightbors_top ... ok
[INFO] [stdout] test bruteforce::rules::tests::has_no_more_than_two_same_neightbors_vert_finds_errors ... ok
[INFO] [stdout] test bruteforce::rules::tests::is_board_full_with_full_board ... ok
[INFO] [stdout] test bruteforce::rules::tests::double_column ... ok
[INFO] [stdout] test bruteforce::rules::tests::calc_row_siganture_of_non_empty_row ... ok
[INFO] [stdout] test bruteforce::rules::tests::is_board_full_with_none_full_board ... ok
[INFO] [stdout] test bruteforce::rules::tests::is_board_invalid_for_invalid_board ... ok
[INFO] [stdout] test bruteforce::rules::tests::non_unique_columns ... ok
[INFO] [stdout] test bruteforce::rules::tests::non_unique_rows ... ok
[INFO] [stdout] test bruteforce::rules::tests::not_more_than_half_the_field_per_row_valid ... ok
[INFO] [stdout] test bruteforce::rules::tests::not_more_than_half_the_field_per_column_invalid ... ok
[INFO] [stdout] test bruteforce::rules::tests::not_more_than_half_the_field_per_column_valid ... ok
[INFO] [stdout] test bruteforce::rules::tests::not_more_than_half_the_field_per_row_invalid ... ok
[INFO] [stdout] test bruteforce::rules::tests::regression_board_01 ... ok
[INFO] [stdout] test bruteforce::rules::tests::has_no_more_than_two_same_neightbors_vert_ignores_empty ... ok
[INFO] [stdout] test bruteforce::rules::tests::more_then_two_o_in_a_row ... ok
[INFO] [stdout] test bruteforce::rules::tests::is_board_valid_issue_1 ... ok
[INFO] [stdout] test bruteforce::rules::tests::regression_board_02 ... ok
[INFO] [stdout] test field::tests::board_get_new ... ok
[INFO] [stdout] test bruteforce::rules::tests::unbalanced_rows ... ok
[INFO] [stdout] test bruteforce::rules::tests::is_board_valid_for_incomplete_board ... ok
[INFO] [stdout] test bruteforce::rules::tests::unique_column ... ok
[INFO] [stdout] test bruteforce::rules::tests::valid_move ... ok
[INFO] [stdout] test bruteforce::rules::tests::x_with_surounding_oo_is_valid ... ok
[INFO] [stdout] test bruteforce::rules::tests::is_board_valid_for_valid_board ... ok
[INFO] [stdout] test bruteforce::rules::tests::x_with_adjacent_oo_is_valid ... ok
[INFO] [stdout] test field::tests::board_new ... ok
[INFO] [stdout] test field::tests::board_set ... ok
[INFO] [stdout] test field::tests::board_set_get ... ok
[INFO] [stdout] test field::tests::board_to_string ... ok
[INFO] [stdout] test field::tests::build_from_str ... ok
[INFO] [stdout] test bruteforce::rules::tests::unbalanced_columns ... ok
[INFO] [stdout] test bruteforce::rules::tests::unique_row ... ok
[INFO] [stdout] test bruteforce::rules::tests::x_with_adjacent_xx_is_invalid_horizontally ... ok
[INFO] [stdout] test field::tests::clear_field ... ok
[INFO] [stdout] test bruteforce::rules::tests::x_with_adjacent_xx_is_invalid_vertically ... ok
[INFO] [stdout] test field::tests::field_hashable ... ok
[INFO] [stdout] test field::tests::board_get_y_oob ... ok
[INFO] [stdout] test field::tests::board_set_empty ... ok
[INFO] [stdout] test field::tests::board_get_x_oob ... ok
[INFO] [stdout] test field::tests::board_set_x_oob ... ok
[INFO] [stdout] test field::tests::board_set_y_oob ... ok
[INFO] [stdout] test field::tests::clear_already_empty_field_panics ... ok
[INFO] [stdout] test field::tests::clear_y_oob_panics ... ok
[INFO] [stdout] test field::tests::clear_x_oob_panics ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 63 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/issue_1-b316571de63d1695
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests binoxxo
[INFO] [stdout] test issue_1 ... 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] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 33) ... ok
[INFO] [stdout] test src/lib.rs - (line 17) ... ok
[INFO] [stdout] test src/lib.rs - (line 60) ... ok
[INFO] [stdout] test src/lib.rs - (line 49) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.63s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c6b51102a0f2bb155502e872cac2d3b65605ee23cd6d9de4e315f83d08e9d245", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6b51102a0f2bb155502e872cac2d3b65605ee23cd6d9de4e315f83d08e9d245", kill_on_drop: false }`
[INFO] [stdout] c6b51102a0f2bb155502e872cac2d3b65605ee23cd6d9de4e315f83d08e9d245