[INFO] fetching crate legal_chess 0.4.42...
[INFO] testing legal_chess-0.4.42 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate legal_chess 0.4.42 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate legal_chess 0.4.42 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate legal_chess 0.4.42
[INFO] finished tweaking crates.io crate legal_chess 0.4.42
[INFO] tweaked toml for crates.io crate legal_chess 0.4.42 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f803f2711c2d49f152374d8fdd88bcd4c9f6d671e7b46e47c69ae541979c8d8e
[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" "f803f2711c2d49f152374d8fdd88bcd4c9f6d671e7b46e47c69ae541979c8d8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f803f2711c2d49f152374d8fdd88bcd4c9f6d671e7b46e47c69ae541979c8d8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f803f2711c2d49f152374d8fdd88bcd4c9f6d671e7b46e47c69ae541979c8d8e", kill_on_drop: false }`
[INFO] [stdout] f803f2711c2d49f152374d8fdd88bcd4c9f6d671e7b46e47c69ae541979c8d8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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] e4d28d652dccd085dfc699aa7516700dcc1a9a2f13ec9ee19e595ef9a2e2365e
[INFO] running `Command { std: "docker" "start" "-a" "e4d28d652dccd085dfc699aa7516700dcc1a9a2f13ec9ee19e595ef9a2e2365e", kill_on_drop: false }`
[INFO] [stderr]    Compiling legal_chess v0.4.42 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "e4d28d652dccd085dfc699aa7516700dcc1a9a2f13ec9ee19e595ef9a2e2365e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4d28d652dccd085dfc699aa7516700dcc1a9a2f13ec9ee19e595ef9a2e2365e", kill_on_drop: false }`
[INFO] [stdout] e4d28d652dccd085dfc699aa7516700dcc1a9a2f13ec9ee19e595ef9a2e2365e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--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] dc740976ab91b4d8559aa36ab4e0a4535e71739da19d563891769511944d3583
[INFO] running `Command { std: "docker" "start" "-a" "dc740976ab91b4d8559aa36ab4e0a4535e71739da19d563891769511944d3583", kill_on_drop: false }`
[INFO] [stderr]    Compiling legal_chess v0.4.42 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `Command { std: "docker" "inspect" "dc740976ab91b4d8559aa36ab4e0a4535e71739da19d563891769511944d3583", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc740976ab91b4d8559aa36ab4e0a4535e71739da19d563891769511944d3583", kill_on_drop: false }`
[INFO] [stdout] dc740976ab91b4d8559aa36ab4e0a4535e71739da19d563891769511944d3583
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6042dcc4839c1ffdb856445fb20f71a284be99124980601320ce6a42598a4f6a
[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" "6042dcc4839c1ffdb856445fb20f71a284be99124980601320ce6a42598a4f6a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/legal_chess-199a2464020881b1)
[INFO] [stdout] 
[INFO] [stdout] running 76 tests
[INFO] [stdout] test attack::tests::correct_attacked_board ... ok
[INFO] [stdout] test attack::tests::initial_board_attacks_black ... ok
[INFO] [stdout] test board::tests::initial ... ok
[INFO] [stdout] test attack::tests::initial_board_attacks_white ... ok
[INFO] [stdout] test game::tests::black_can_castle ... ok
[INFO] [stdout] test game::tests::black_cannot_castle_because_it_is_in_check ... ok
[INFO] [stdout] test game::tests::cannot_castle_through_check ... ok
[INFO] [stdout] test game::tests::cannot_castle_through_check_2 ... ok
[INFO] [stdout] test game::tests::castling_queenside_leads_to_pieces_having_moved ... ok
[INFO] [stdout] test game::tests::castling_kingside_leads_to_pieces_having_moved ... ok
[INFO] [stdout] test game::tests::black_can_castle_king_side ... ok
[INFO] [stdout] test game::tests::assert_make_move_moves_piece ... ok
[INFO] [stdout] test game::tests::initial_game_setup_legal_moves ... ok
[INFO] [stdout] test game::tests::king_attacked_by_slider_cannot_move_back ... ok
[INFO] [stdout] test game::tests::check_that_can_be_removed_by_en_passant ... ok
[INFO] [stdout] test game::tests::king_attacked_by_horse_in_initial_pos ... ok
[INFO] [stdout] test game::tests::knight_corner_mate ... ok
[INFO] [stdout] test game::tests::to_game_arr_initial_board ... ok
[INFO] [stdout] test game::tests::scholars_mate_black ... ok
[INFO] [stdout] test game::tests::from_game_arr_initial_board ... ok
[INFO] [stdout] test game::tests::scholars_mate_with_pawn ... ok
[INFO] [stdout] test game::tests::from_game_arr_initial_castling_rights ... ok
[INFO] [stdout] test game::tests::from_game_arr_initial_full_moves ... ok
[INFO] [stdout] test game::tests::scholars_mate ... ok
[INFO] [stdout] test game::tests::two_attackers_king_cannot_capture ... ok
[INFO] [stdout] test game::tests::from_game_arr_initial_side_to_move ... ok
[INFO] [stdout] test pieces::bishop::tests::bishop_bottom_left_empty_board ... ok
[INFO] [stdout] test pieces::bishop::tests::bishop_bottom_left_middle_obstacle_attacks ... ok
[INFO] [stdout] test game::tests::two_attackers_king_can_capture ... ok
[INFO] [stdout] test game::tests::en_passant_anti_check_and_pawn_capture_anti_check ... ok
[INFO] [stdout] test game::tests::undo_last_move ... ok
[INFO] [stdout] test pieces::king::tests::king_bottom_left_moves_white_pawn ... ok
[INFO] [stdout] test game::tests::white_castling_rights_get_removed ... ok
[INFO] [stdout] test pieces::king::tests::king_bottom_left_moves_black_pawn ... ok
[INFO] [stdout] test pieces::bishop::tests::bishop_bottom_left_moves ... ok
[INFO] [stdout] test pieces::king::tests::king_middle_attacks ... ok
[INFO] [stdout] test pieces::king::tests::king_bottom_left_attacks ... ok
[INFO] [stdout] test pieces::knight::tests::all_positions ... ok
[INFO] [stdout] test pieces::pawn::tests::attrs ... ok
[INFO] [stdout] test game::tests::en_passant_is_registered ... ok
[INFO] [stdout] test pieces::knight::tests::in_file_h ... ok
[INFO] [stdout] test pieces::knight::tests::attrs ... ok
[INFO] [stdout] test pieces::pawn::tests::black_pawn_attacks_file_eight ... ok
[INFO] [stdout] test pieces::pawn::tests::black_pawn_attacks_file_one ... ok
[INFO] [stdout] test game::tests::from_game_arr_initial_en_passant ... ok
[INFO] [stdout] test pieces::knight::tests::in_file_g ... ok
[INFO] [stdout] test pieces::pawn::tests::black_pawn_attacks_middle ... ok
[INFO] [stdout] test game::tests::from_game_arr_initial_half_moves ... ok
[INFO] [stdout] test pieces::pawn::tests::black_pawn_blocked ... ok
[INFO] [stdout] test pieces::pawn::tests::invalid_en_passant_because_of_discovered_check_black ... ok
[INFO] [stdout] test pieces::bishop::tests::bishop_middle_obstacle_moves ... ok
[INFO] [stdout] test pieces::bishop::tests::bishop_middle_moves ... ok
[INFO] [stdout] test pieces::pawn::tests::black_pawn_blocked_2 ... ok
[INFO] [stdout] test pieces::pawn::tests::invalid_en_passant_because_of_discovered_check_black_blocked_kingside ... ok
[INFO] [stdout] test game::tests::double_en_passant ... ok
[INFO] [stdout] test pieces::pawn::tests::invalid_en_passant_because_of_discovered_check_black_blocked_queenside ... ok
[INFO] [stdout] test pieces::pawn::tests::black_pawn_moves ... ok
[INFO] [stdout] test pieces::pawn::tests::white_pawn_attacks_file_one ... ok
[INFO] [stdout] test pieces::pawn::tests::invalid_en_passant_because_of_discovered_check_white ... ok
[INFO] [stdout] test pieces::pawn::tests::en_passant ... ok
[INFO] [stdout] test pieces::pawn::tests::white_pawn_attacks_middle ... ok
[INFO] [stdout] test pieces::bishop::tests::bishop_top_middle_with_obstacles_attacks ... ok
[INFO] [stdout] test pieces::pawn::tests::white_pawn_attacks_file_eight ... ok
[INFO] [stdout] test pieces::pawn::tests::white_pawn_blocked_2 ... ok
[INFO] [stdout] test pieces::pawn::tests::white_pawn_blocked ... ok
[INFO] [stdout] test pieces::piece::tests::knight_pinned_by_bishop ... ok
[INFO] [stdout] test pieces::piece::tests::knight_not_pinned_by_bishop ... ok
[INFO] [stdout] test pieces::piece::tests::not_pinned_bishop_1 ... ok
[INFO] [stdout] test pieces::pawn::tests::white_pawn_moves ... ok
[INFO] [stdout] test pieces::piece::tests::not_pinned_knight_no_attacker ... ok
[INFO] [stdout] test pieces::piece::tests::not_pinned_knight_1 ... ok
[INFO] [stdout] test pieces::piece::tests::pinned_knight ... ok
[INFO] [stdout] test pieces::piece::tests::not_pinned_knight_2 ... ok
[INFO] [stdout] test pieces::rook::tests::rook_bottom_left_empty_board ... ok
[INFO] [stdout] test pieces::queen::tests::queen_bottom_left ... ok
[INFO] [stdout] test pieces::rook::tests::rook_middle_with_obstacles ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 76 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/perft.rs (/opt/rustwide/target/debug/deps/perft-c950b1785e19a424)
[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/perft_3.rs (/opt/rustwide/target/debug/deps/perft_3-aae34cf8567a7ac5)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test perft_3_depth_1 ... ok
[INFO] [stdout] test perft_3_depth_2 ... ok
[INFO] [stdout] test perft_3_depth_3 ... ok
[INFO] [stdout] test perft_3_depth_4 ... ok
[INFO] [stderr]      Running tests/perft_4.rs (/opt/rustwide/target/debug/deps/perft_4-4fbd8d1d544d406f)
[INFO] [stdout] test perft_3_depth_5 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 9.74s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test perft_4_depth_1 ... ok
[INFO] [stdout] test perft_4_depth_2 ... ok
[INFO] [stdout] test perft_4_depth_3 ... ok
[INFO] [stdout] test perft_4_depth_4 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.57s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/perft_5.rs (/opt/rustwide/target/debug/deps/perft_5-c1bb1af0c793f402)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test perft_5_depth_1 ... ok
[INFO] [stdout] test perft_5_depth_2 ... ok
[INFO] [stdout] test perft_5_depth_3 ... ok
[INFO] [stdout] test perft_5_depth_4 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 25.12s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/perft_6.rs (/opt/rustwide/target/debug/deps/perft_6-bc04b57937b872f7)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test perft_6_depth_1 ... ok
[INFO] [stdout] test perft_6_depth_2 ... ok
[INFO] [stdout] test perft_6_depth_3 ... ok
[INFO] [stdout] test perft_6_depth_4 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 40.64s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/perft_initial.rs (/opt/rustwide/target/debug/deps/perft_initial-e0814a28e52ee30e)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test perft_initial_depth_1 ... ok
[INFO] [stdout] test perft_initial_depth_2 ... ok
[INFO] [stdout] test perft_initial_depth_3 ... ok
[INFO] [stdout] test perft_initial_depth_4 ... ok
[INFO] [stdout] test perft_initial_depth_5 has been running for over 60 seconds
[INFO] [stdout] test perft_initial_depth_5 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 73.91s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/perft_kiwipete.rs (/opt/rustwide/target/debug/deps/perft_kiwipete-40c2045b43f2cefa)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test perft_kiwipete_depth_1 ... ok
[INFO] [stdout] test perft_kiwipete_depth_2 ... ok
[INFO] [stdout] test perft_kiwipete_depth_3 ... ok
[INFO] [stdout] test perft_kiwipete_depth_4 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 45.50s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests legal_chess
[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" "6042dcc4839c1ffdb856445fb20f71a284be99124980601320ce6a42598a4f6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6042dcc4839c1ffdb856445fb20f71a284be99124980601320ce6a42598a4f6a", kill_on_drop: false }`
[INFO] [stdout] 6042dcc4839c1ffdb856445fb20f71a284be99124980601320ce6a42598a4f6a