[INFO] updating cached repository hakos/rustchess
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/hakos/rustchess
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/hakos/rustchess" "work/ex/beta-1.38-1/sources/1.37.0/gh/hakos/rustchess"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/hakos/rustchess'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hakos/rustchess" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hakos/rustchess"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hakos/rustchess'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fd585f51df28bb67af99916b6f6cbb7444207b11
[INFO] sha for GitHub repo hakos/rustchess: fd585f51df28bb67af99916b6f6cbb7444207b11
[INFO] validating manifest of hakos/rustchess on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of hakos/rustchess on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing hakos/rustchess
[INFO] finished frobbing hakos/rustchess
[INFO] frobbed toml for hakos/rustchess written to work/ex/beta-1.38-1/sources/1.37.0/gh/hakos/rustchess/Cargo.toml
[INFO] started frobbing hakos/rustchess
[INFO] finished frobbing hakos/rustchess
[INFO] frobbed toml for hakos/rustchess written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hakos/rustchess/Cargo.toml
[INFO] crate hakos/rustchess already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing hakos/rustchess against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hakos/rustchess:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 1b1c2e53a85dcb54256203707be5f3d8b0835d0ffb5a4b31267fac4e8e306ce3
[INFO] running `"docker" "start" "-a" "1b1c2e53a85dcb54256203707be5f3d8b0835d0ffb5a4b31267fac4e8e306ce3"`
[INFO] [stderr]    Compiling rustchess v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `score`
[INFO] [stderr]   --> src/main.rs:42:22
[INFO] [stderr]    |
[INFO] [stderr] 42 |                 let (score, moves, depth) =
[INFO] [stderr]    |                      ^^^^^ help: consider prefixing with an underscore: `_score`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `depth`
[INFO] [stderr]   --> src/main.rs:42:36
[INFO] [stderr]    |
[INFO] [stderr] 42 |                 let (score, moves, depth) =
[INFO] [stderr]    |                                    ^^^^^ help: consider prefixing with an underscore: `_depth`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `debug`
[INFO] [stderr]    --> src/search.rs:150:5
[INFO] [stderr]     |
[INFO] [stderr] 150 |     debug: bool,
[INFO] [stderr]     |     ^^^^^ help: consider prefixing with an underscore: `_debug`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `cleared`
[INFO] [stderr]    --> src/board.rs:193:5
[INFO] [stderr]     |
[INFO] [stderr] 193 |     fn cleared() -> Pieces {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `count_moves`
[INFO] [stderr]    --> src/board.rs:480:5
[INFO] [stderr]     |
[INFO] [stderr] 480 |     fn count_moves(&self, moves: &[BitBoard; 64], color: Color) -> u32 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `cleared`
[INFO] [stderr]    --> src/board.rs:979:5
[INFO] [stderr]     |
[INFO] [stderr] 979 |     fn cleared() -> Board {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_fen`
[INFO] [stderr]    --> src/board.rs:993:5
[INFO] [stderr]     |
[INFO] [stderr] 993 |     pub fn from_fen(fen: &str) -> Board {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `as_fen`
[INFO] [stderr]     --> src/board.rs:1066:5
[INFO] [stderr]      |
[INFO] [stderr] 1066 |     pub fn as_fen(&self) -> String {
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `as_unicode`
[INFO] [stderr]     --> src/board.rs:1105:5
[INFO] [stderr]      |
[INFO] [stderr] 1105 |     fn as_unicode(&self) -> [char; 64] {
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print`
[INFO] [stderr]     --> src/board.rs:1125:5
[INFO] [stderr]      |
[INFO] [stderr] 1125 |     pub fn print(&self) {
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_moves`
[INFO] [stderr]     --> src/board.rs:1228:5
[INFO] [stderr]      |
[INFO] [stderr] 1228 |     fn get_moves(&self) -> [BitBoard; 64] {
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `count_moves`
[INFO] [stderr]     --> src/board.rs:1238:5
[INFO] [stderr]      |
[INFO] [stderr] 1238 |     pub fn count_moves(&self) -> u32 {
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_check_mated`
[INFO] [stderr]     --> src/board.rs:1254:5
[INFO] [stderr]      |
[INFO] [stderr] 1254 |     pub fn is_check_mated(&self) -> bool {
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_stale_mate`
[INFO] [stderr]     --> src/board.rs:1258:5
[INFO] [stderr]      |
[INFO] [stderr] 1258 |     pub fn is_stale_mate(&self) -> bool {
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `unicode_to_fen`
[INFO] [stderr]     --> src/board.rs:1359:1
[INFO] [stderr]      |
[INFO] [stderr] 1359 | fn unicode_to_fen(c: char) -> char {
[INFO] [stderr]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `merge_spaces`
[INFO] [stderr]     --> src/board.rs:1378:1
[INFO] [stderr]      |
[INFO] [stderr] 1378 | fn merge_spaces(chars: impl Iterator<Item = char>) -> String {
[INFO] [stderr]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.72s
[INFO] running `"docker" "inspect" "1b1c2e53a85dcb54256203707be5f3d8b0835d0ffb5a4b31267fac4e8e306ce3"`
[INFO] running `"docker" "rm" "-f" "1b1c2e53a85dcb54256203707be5f3d8b0835d0ffb5a4b31267fac4e8e306ce3"`
[INFO] [stdout] 1b1c2e53a85dcb54256203707be5f3d8b0835d0ffb5a4b31267fac4e8e306ce3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hakos/rustchess:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1d39c021d6c193b1fef5219abd5eb2aaf2d352148c34792bfb9b467f0d789fa6
[INFO] running `"docker" "start" "-a" "1d39c021d6c193b1fef5219abd5eb2aaf2d352148c34792bfb9b467f0d789fa6"`
[INFO] [stderr]    Compiling rustchess v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `score`
[INFO] [stderr]   --> src/main.rs:42:22
[INFO] [stderr]    |
[INFO] [stderr] 42 |                 let (score, moves, depth) =
[INFO] [stderr]    |                      ^^^^^ help: consider prefixing with an underscore: `_score`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `depth`
[INFO] [stderr]   --> src/main.rs:42:36
[INFO] [stderr]    |
[INFO] [stderr] 42 |                 let (score, moves, depth) =
[INFO] [stderr]    |                                    ^^^^^ help: consider prefixing with an underscore: `_depth`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `debug`
[INFO] [stderr]    --> src/search.rs:150:5
[INFO] [stderr]     |
[INFO] [stderr] 150 |     debug: bool,
[INFO] [stderr]     |     ^^^^^ help: consider prefixing with an underscore: `_debug`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `score`
[INFO] [stderr]    --> src/search.rs:353:14
[INFO] [stderr]     |
[INFO] [stderr] 353 |         let (score, moves) = negamax(&board, 1, true, &[None]);
[INFO] [stderr]     |              ^^^^^ help: consider prefixing with an underscore: `_score`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.86s
[INFO] running `"docker" "inspect" "1d39c021d6c193b1fef5219abd5eb2aaf2d352148c34792bfb9b467f0d789fa6"`
[INFO] running `"docker" "rm" "-f" "1d39c021d6c193b1fef5219abd5eb2aaf2d352148c34792bfb9b467f0d789fa6"`
[INFO] [stdout] 1d39c021d6c193b1fef5219abd5eb2aaf2d352148c34792bfb9b467f0d789fa6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hakos/rustchess:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] cf160625d08fce3099cc92f31dd197f1a07cd418b0659601f344d92446c14b82
[INFO] running `"docker" "start" "-a" "cf160625d08fce3099cc92f31dd197f1a07cd418b0659601f344d92446c14b82"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rustchess-c7af3afb5c0b77dd
[INFO] [stdout] 
[INFO] [stdout] running 71 tests
[INFO] [stdout] test board::tests::capture_bishop ... ok
[INFO] [stdout] test board::tests::black_is_checked ... ok
[INFO] [stdout] test board::tests::capture_rook_loses_castling_rights ... ok
[INFO] [stdout] test board::tests::black_en_passant ... ok
[INFO] [stdout] test board::tests::black_queen_side_castling ... ok
[INFO] [stdout] test board::tests::count_doubled_pawns ... ok
[INFO] [stdout] test board::tests::black_king_side_castling ... ok
[INFO] [stdout] test board::tests::black_pawn_capture ... ok
[INFO] [stdout] test board::tests::max_moves_2 ... ok
[INFO] [stdout] test board::tests::max_moves_1 ... ok
[INFO] [stdout] test board::tests::missing_promotion ... ok
[INFO] [stdout] test board::tests::count_isolated_pawns ... ok
[INFO] [stdout] test board::tests::move_bishop ... ok
[INFO] [stdout] test board::tests::illegal_to_be_checked_after_move ... ok
[INFO] [stdout] test board::tests::move_king_and_lose_castling_rights ... ok
[INFO] [stdout] test board::tests::initial_board_fen ... ok
[INFO] [stdout] test board::tests::move_pawns ... ok
[INFO] [stdout] test board::tests::move_queen ... ok
[INFO] [stdout] test board::tests::initial_board_unicode ... ok
[INFO] [stdout] test board::tests::initial_moves ... ok
[INFO] [stdout] test board::tests::move_knight ... ok
[INFO] [stdout] test board::tests::make_illegal_moves ... ok
[INFO] [stdout] test board::tests::moving_rook_loses_queen_side_castling_rights ... ok
[INFO] [stdout] test board::tests::opening_moves_fen ... ok
[INFO] [stdout] test board::tests::parse_fen ... ok
[INFO] [stdout] test board::tests::moving_rook_loses_king_side_castling_rights ... ok
[INFO] [stdout] test board::tests::promotion_to_bishop ... ok
[INFO] [stdout] test board::tests::promotion_to_king_not_allowed ... ok
[INFO] [stdout] test board::tests::square_is_attacked_by_black_pawn ... ok
[INFO] [stdout] test board::tests::promotion_to_rook ... ok
[INFO] [stdout] test board::tests::square_is_attacked_by_bishop ... ok
[INFO] [stdout] test board::tests::move_rook_and_lose_castling_right ... ok
[INFO] [stdout] test board::tests::scholars_mate ... ok
[INFO] [stdout] test board::tests::promotion_to_queen ... ok
[INFO] [stdout] test board::tests::square_is_attacked_by_king ... ok
[INFO] [stdout] test board::tests::reavealing_own_king_in_check_by_promoting_pawn_not_allowed ... ok
[INFO] [stdout] test board::tests::square_is_attacked_by_white_pawn ... ok
[INFO] [stdout] test board::tests::square_is_attacked_by_knight ... ok
[INFO] [stdout] test board::tests::stale_mate ... ok
[INFO] [stdout] test board::tests::test_str_to_index ... ok
[INFO] [stdout] test board::tests::test_str_to_index_to_str ... ok
[INFO] [stdout] test board::tests::square_is_attacked_by_queen ... ok
[INFO] [stdout] test board::tests::promotion_to_knight ... ok
[INFO] [stdout] test board::tests::square_is_attacked_by_rook ... ok
[INFO] [stdout] test board::tests::white_queen_side_castling ... ok
[INFO] [stdout] test search::tests::mate_in_ply_test ... ok
[INFO] [stdout] test board::tests::white_en_passant ... ok
[INFO] [stdout] test board::tests::white_king_side_castling ... ok
[INFO] [stdout] test board::tests::white_pawn_capture ... ok
[INFO] [stdout] test search::tests::avoid_stale_mate_when_winning ... ok
[INFO] [stdout] test search::tests::negamax_should_not_extend_search ... ok
[INFO] [stdout] test search::tests::peft_test_position_4 ... ok
[INFO] [stdout] test search::tests::peft_test_position_5 ... ok
[INFO] [stdout] test search::tests::negamax_mate_in_one ... ok
[INFO] [stdout] test search::tests::peft_test_position_6 ... ok
[INFO] [stdout] test search::tests::peft_test_position_7 ... ok
[INFO] [stdout] test search::tests::perft_test_position_1 ... ok
[INFO] [stdout] test search::tests::negamax_mate_in_two ... ok
[INFO] [stdout] test search::tests::perft_test_position_11 ... ok
[INFO] [stdout] test search::tests::perft_test_position_12 ... ok
[INFO] [stdout] test search::tests::perft_test_position_2 ... ok
[INFO] [stdout] test search::tests::perft_test_position_3 ... ok
[INFO] [stdout] test search::tests::perft_test_position_8 ... ok
[INFO] [stdout] test search::tests::perft_test_position_10 ... ok
[INFO] [stdout] test search::tests::perft_test_position_9 ... ok
[INFO] [stdout] test search::tests::perft_initial_position ... ok
[INFO] [stdout] test search::tests::negamax_mate_in_three ... ok
[INFO] [stdout] test search::tests::negamax_mate_in_five_with_check_extension ... ok
[INFO] [stdout] test search::tests::negamax_mate_in_six ... ok
[INFO] [stdout] test search::tests::find_shortest_path_to_mate ... ok
[INFO] [stdout] test search::tests::negamax_mate_in_five_with_depth_6 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 71 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "cf160625d08fce3099cc92f31dd197f1a07cd418b0659601f344d92446c14b82"`
[INFO] running `"docker" "rm" "-f" "cf160625d08fce3099cc92f31dd197f1a07cd418b0659601f344d92446c14b82"`
[INFO] [stdout] cf160625d08fce3099cc92f31dd197f1a07cd418b0659601f344d92446c14b82