[INFO] crate chess 2.0.1 is already in cache
[INFO] extracting crate chess 2.0.1 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/chess/2.0.1
[INFO] extracting crate chess 2.0.1 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/chess/2.0.1
[INFO] validating manifest of chess-2.0.1 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of chess-2.0.1 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing chess-2.0.1
[INFO] finished frobbing chess-2.0.1
[INFO] frobbed toml for chess-2.0.1 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/chess/2.0.1/Cargo.toml
[INFO] started frobbing chess-2.0.1
[INFO] finished frobbing chess-2.0.1
[INFO] frobbed toml for chess-2.0.1 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/chess/2.0.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing chess-2.0.1 against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/chess/2.0.1:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] c0af524dd09e7430f8c9e754c53d5942edf5b55b04d5e31d38217ed78a95946c
[INFO] running `"docker" "start" "-a" "c0af524dd09e7430f8c9e754c53d5942edf5b55b04d5e31d38217ed78a95946c"`
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling chess v2.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/gen_tables/king.rs:96:5
[INFO] [stderr]     |
[INFO] [stderr] 96  | /     write!(
[INFO] [stderr] 97  | |         f,
[INFO] [stderr] 98  | |         "const CASTLE_MOVES: BitBoard = BitBoard({});\n",
[INFO] [stderr] 99  | |         gen_castle_moves().to_size(0)
[INFO] [stderr] 100 | |     );
[INFO] [stderr]     | |______^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/gen_tables/pawns.rs:115:5
[INFO] [stderr]     |
[INFO] [stderr] 115 | /     write!(
[INFO] [stderr] 116 | |         f,
[INFO] [stderr] 117 | |         "const PAWN_SOURCE_DOUBLE_MOVES: BitBoard = BitBoard({0});\n",
[INFO] [stderr] 118 | |         gen_source_double_moves().to_size(0)
[INFO] [stderr] 119 | |     );
[INFO] [stderr]     | |______^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/gen_tables/pawns.rs:121:5
[INFO] [stderr]     |
[INFO] [stderr] 121 | /     write!(
[INFO] [stderr] 122 | |         f,
[INFO] [stderr] 123 | |         "const PAWN_DEST_DOUBLE_MOVES: BitBoard = BitBoard({0});\n",
[INFO] [stderr] 124 | |         gen_dest_double_moves().to_size(0)
[INFO] [stderr] 125 | |     );
[INFO] [stderr]     | |______^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 31.03s
[INFO] running `"docker" "inspect" "c0af524dd09e7430f8c9e754c53d5942edf5b55b04d5e31d38217ed78a95946c"`
[INFO] running `"docker" "rm" "-f" "c0af524dd09e7430f8c9e754c53d5942edf5b55b04d5e31d38217ed78a95946c"`
[INFO] [stdout] c0af524dd09e7430f8c9e754c53d5942edf5b55b04d5e31d38217ed78a95946c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/chess/2.0.1:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] d31e3fa6abaad9340433463fc55d4ccffac90067ed490ab48ddd97ee13f7bdf0
[INFO] running `"docker" "start" "-a" "d31e3fa6abaad9340433463fc55d4ccffac90067ed490ab48ddd97ee13f7bdf0"`
[INFO] [stderr]    Compiling chess v2.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 14.73s
[INFO] running `"docker" "inspect" "d31e3fa6abaad9340433463fc55d4ccffac90067ed490ab48ddd97ee13f7bdf0"`
[INFO] running `"docker" "rm" "-f" "d31e3fa6abaad9340433463fc55d4ccffac90067ed490ab48ddd97ee13f7bdf0"`
[INFO] [stdout] d31e3fa6abaad9340433463fc55d4ccffac90067ed490ab48ddd97ee13f7bdf0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/chess/2.0.1:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] a10475ab26b7d51162cfc5d8d45ae46a75a5ac30a2cc742e968616badd0e06a2
[INFO] running `"docker" "start" "-a" "a10475ab26b7d51162cfc5d8d45ae46a75a5ac30a2cc742e968616badd0e06a2"`
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/chess-7e80cfbd57084b94
[INFO] [stdout] 
[INFO] [stdout] running 54 tests
[INFO] [stdout] test board::perft_16 ... ok
[INFO] [stdout] test board::perft_15 ... ok
[INFO] [stdout] test board::perft_10 ... ok
[INFO] [stdout] test board::perft_1 ... ok
[INFO] [stdout] test board::perft_19 ... ok
[INFO] [stdout] test board::perft_17 ... ok
[INFO] [stdout] test board::perft_12 ... ok
[INFO] [stdout] test board::perft_11 ... ok
[INFO] [stdout] test board::perft_21 ... ok
[INFO] [stdout] test board::perft_20 ... ok
[INFO] [stdout] test board::perft_18 ... ok
[INFO] [stdout] test board::perft_25 ... ok
[INFO] [stdout] test board::perft_22 ... ok
[INFO] [stdout] test board::perft_26 ... ok
[INFO] [stdout] test board::perft_2 ... ok
[INFO] [stdout] test board::perft_24 ... ok
[INFO] [stdout] test board::perft_23 ... ok
[INFO] [stdout] test board::perft_14 ... ok
[INFO] [stdout] test board::perft_6 ... ok
[INFO] [stdout] test board::perft_5 ... ok
[INFO] [stdout] test board::perft_9 ... ok
[INFO] [stdout] test board::perft_7 ... ok
[INFO] [stdout] test board::perft_8 ... ok
[INFO] [stdout] test board::perft_13 ... ok
[INFO] [stdout] test board::perft_4 ... ok
[INFO] [stdout] test board::perft_3 ... ok
[INFO] [stdout] test movegen::movegen::movegen_perft_1 ... ok
[INFO] [stdout] test movegen::movegen::movegen_perft_10 ... ok
[INFO] [stdout] test movegen::movegen::movegen_perft_17 ... ok
[INFO] [stdout] test movegen::movegen::movegen_perft_16 ... ok
[INFO] [stdout] test movegen::movegen::movegen_perft_12 ... ok
[INFO] [stdout] test movegen::movegen::movegen_perft_19 ... ok
[INFO] [stdout] test movegen::movegen::movegen_perft_15 ... ok
[INFO] [stdout] test movegen::movegen::movegen_perft_11 ... ok
[INFO] [stdout] test movegen::movegen::movegen_perft_21 ... ok
[INFO] [stdout] test movegen::movegen::movegen_perft_22 ... ok
[INFO] [stdout] test movegen::movegen::movegen_perft_20 ... ok
[INFO] [stdout] test movegen::movegen::movegen_perft_25 ... ok
[INFO] [stdout] test movegen::movegen::movegen_perft_2 ... ok
[INFO] [stdout] test movegen::movegen::movegen_perft_26 ... ok
[INFO] [stdout] test movegen::movegen::movegen_perft_18 ... ok
[INFO] [stdout] test movegen::movegen::movegen_perft_23 ... ok
[INFO] [stdout] test movegen::movegen::movegen_perft_24 ... ok
[INFO] [stdout] test movegen::movegen::movegen_perft_13 ... ok
[INFO] [stdout] test movegen::movegen::movegen_perft_5 ... ok
[INFO] [stdout] test movegen::movegen::movegen_perft_6 ... ok
[INFO] [stdout] test movegen::movegen::movegen_perft_3 ... ok
[INFO] [stdout] test movegen::movegen::movegen_perft_9 ... ok
[INFO] [stdout] test movegen::movegen::movegen_perft_4 ... ok
[INFO] [stdout] test movegen::movegen::movegen_perft_8 ... ok
[INFO] [stdout] test movegen::movegen::movegen_perft_7 ... ok
[INFO] [stdout] test movegen::movegen::movegen_perft_14 ... ok
[INFO] [stdout] test board::perft_kiwipete ... ok
[INFO] [stdout] test movegen::movegen::movegen_perft_kiwipete ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 54 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests chess
[INFO] [stdout] 
[INFO] [stdout] running 48 tests
[INFO] [stdout] test src/board.rs - board::Board::enumerate_moves (line 1042) ... ok
[INFO] [stdout] test src/board.rs - board::Board::combined (line 490) ... ok
[INFO] [stdout] test src/board.rs - board::Board::color_combined (line 509) ... ok
[INFO] [stdout] test src/bitboard.rs - bitboard::EMPTY (line 31) ... ok
[INFO] [stdout] test src/board.rs - board::Board::clear_square (line 768) ... ok
[INFO] [stdout] test src/bitboard.rs - bitboard::BitBoard (line 11) ... ok
[INFO] [stdout] test src/board.rs - board::Board::castle_rights (line 562) ... ok
[INFO] [stdout] test src/board.rs - board::Board::en_passant (line 1064) ... ok
[INFO] [stdout] test src/board.rs - board::Board::from_fen (line 275) ... ok
[INFO] [stdout] test src/board.rs - board::Board::is_sane (line 838) ... ok
[INFO] [stdout] test src/board.rs - board::Board::legal (line 1110) ... ok
[INFO] [stdout] test src/board.rs - board::Board::king_square (line 529) ... ok
[INFO] [stdout] test src/board.rs - board::Board::make_move (line 1384) ... ok
[INFO] [stdout] test src/board.rs - board::Board::null_move (line 811) ... ok
[INFO] [stdout] test src/board.rs - board::Board::my_castle_rights (line 638) ... ok
[INFO] [stdout] test src/board.rs - board::Board::make_move_new (line 1364) ... ok
[INFO] [stdout] test src/board.rs - board::Board::piece_on (line 968) ... ok
[INFO] [stdout] test src/board.rs - board::Board::remove_castle_rights (line 608) ... ok
[INFO] [stdout] test src/board.rs - board::Board::remove_their_castle_rights (line 696) ... ok
[INFO] [stdout] test src/board.rs - board::Board::pieces (line 543) ... ok
[INFO] [stdout] test src/board.rs - board::Board::side_to_move (line 626) ... ok
[INFO] [stdout] test src/board.rs - board::Board::remove_my_castle_rights (line 659) ... ok
[INFO] [stdout] test src/board.rs - board::Board::their_castle_rights (line 675) ... ok
[INFO] [stdout] test src/board.rs - board::Board::set_piece (line 722) ... ok
[INFO] [stdout] test src/board.rs - board::Board::status (line 436) ... ok
[INFO] [stdout] test src/lib.rs -  (line 11) ... ok
[INFO] [stdout] test src/square.rs - square::Square::default (line 16) ... ok
[INFO] [stdout] test src/movegen/movegen.rs - movegen::movegen::MoveGen (line 176) ... ok
[INFO] [stdout] test src/square.rs - square::Square::backward (line 200) ... ok
[INFO] [stdout] test src/square.rs - square::Square::forward (line 178) ... ok
[INFO] [stdout] test src/square.rs - square::Square::get_file (line 86) ... ok
[INFO] [stdout] test src/square.rs - square::ALL_SQUARES (line 400) ... ok
[INFO] [stdout] test src/square.rs - square::Square::down (line 118) ... ok
[INFO] [stdout] test src/square.rs - square::Square::from_string (line 357) ... ok
[INFO] [stdout] test src/square.rs - square::Square::get_rank (line 73) ... ok
[INFO] [stdout] test src/square.rs - square::Square::left (line 137) ... ok
[INFO] [stdout] test src/square.rs - square::Square::new (line 33) ... ok
[INFO] [stdout] test src/square.rs - square::Square::right (line 156) ... ok
[INFO] [stdout] test src/square.rs - square::Square::make_square (line 52) ... ok
[INFO] [stdout] test src/square.rs - square::Square::to_index (line 343) ... ok
[INFO] [stdout] test src/square.rs - square::Square::udown (line 237) ... ok
[INFO] [stdout] test src/square.rs - square::Square::to_int (line 329) ... ok
[INFO] [stdout] test src/square.rs - square::Square::ubackward (line 307) ... ok
[INFO] [stdout] test src/square.rs - square::Square::uleft (line 252) ... ok
[INFO] [stdout] test src/square.rs - square::Square::uforward (line 284) ... ok
[INFO] [stdout] test src/square.rs - square::Square::uup (line 222) ... ok
[INFO] [stdout] test src/square.rs - square::Square::up (line 99) ... ok
[INFO] [stdout] test src/square.rs - square::Square::uright (line 268) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 48 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "a10475ab26b7d51162cfc5d8d45ae46a75a5ac30a2cc742e968616badd0e06a2"`
[INFO] running `"docker" "rm" "-f" "a10475ab26b7d51162cfc5d8d45ae46a75a5ac30a2cc742e968616badd0e06a2"`
[INFO] [stdout] a10475ab26b7d51162cfc5d8d45ae46a75a5ac30a2cc742e968616badd0e06a2