[INFO] cloning repository https://github.com/SebastianMygind/chess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SebastianMygind/chess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSebastianMygind%2Fchess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSebastianMygind%2Fchess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 47050c43a3dc4bcb23a5e54e46e3df4c8cbd322f
[INFO] checking SebastianMygind/chess against master#3350c1eb3fd8fe1bee1ed4c76944d707bd256876 for pr-140558
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSebastianMygind%2Fchess" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SebastianMygind/chess on toolchain 3350c1eb3fd8fe1bee1ed4c76944d707bd256876
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3350c1eb3fd8fe1bee1ed4c76944d707bd256876" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SebastianMygind/chess
[INFO] finished tweaking git repo https://github.com/SebastianMygind/chess
[INFO] tweaked toml for git repo https://github.com/SebastianMygind/chess written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/SebastianMygind/chess 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" "+3350c1eb3fd8fe1bee1ed4c76944d707bd256876" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simplecss v0.2.2
[INFO] [stderr]   Downloaded kurbo v0.11.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+3350c1eb3fd8fe1bee1ed4c76944d707bd256876" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb06903fe73cec73e5dd78db86cdd954d1b4148d9311dee1fd041d5ca1c0e634
[INFO] running `Command { std: "docker" "start" "-a" "cb06903fe73cec73e5dd78db86cdd954d1b4148d9311dee1fd041d5ca1c0e634", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb06903fe73cec73e5dd78db86cdd954d1b4148d9311dee1fd041d5ca1c0e634", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb06903fe73cec73e5dd78db86cdd954d1b4148d9311dee1fd041d5ca1c0e634", kill_on_drop: false }`
[INFO] [stdout] cb06903fe73cec73e5dd78db86cdd954d1b4148d9311dee1fd041d5ca1c0e634
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+3350c1eb3fd8fe1bee1ed4c76944d707bd256876" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42e0b633a2d12a1daf44c5e5709014fa79ac0d21320fdc3e45901078c52024e8
[INFO] running `Command { std: "docker" "start" "-a" "42e0b633a2d12a1daf44c5e5709014fa79ac0d21320fdc3e45901078c52024e8", kill_on_drop: false }`
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[INFO] [stderr]     Checking chess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `fen_string`
[INFO] [stdout]   --> src/fen.rs:82:39
[INFO] [stdout]    |
[INFO] [stdout] 82 |                         given_string: fen_string,
[INFO] [stdout]    |                                       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fen_string`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/fen.rs:121:19
[INFO] [stdout]     |
[INFO] [stdout] 121 |     fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Start`, `Reset`, and `Move` are never constructed
[INFO] [stdout]   --> src/chess_game.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub enum Message {
[INFO] [stdout]    |          ------- variants in this enum
[INFO] [stdout] 8  |     Start,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 9  |     Reset,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 10 |     Move((usize, usize)),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Message` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/chess_game.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct SvgPieces {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 14 |     pub white_king: &'static [u8],
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 15 |     pub white_queen: &'static [u8],
[INFO] [stdout] 16 |     pub white_rook: &'static [u8],
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 17 |     pub white_bishop: &'static [u8],
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 18 |     pub white_knight: &'static [u8],
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 19 |     pub white_pawn: &'static [u8],
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 20 |     pub black_king: &'static [u8],
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 21 |     pub black_queen: &'static [u8],
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 22 |     pub black_rook: &'static [u8],
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 23 |     pub black_bishop: &'static [u8],
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 24 |     pub black_knight: &'static [u8],
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 25 |     pub black_pawn: &'static [u8],
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `perspective` is never read
[INFO] [stdout]   --> src/chess_game.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub struct ChessGame {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 60 |     game: Option<ChessBoard>,
[INFO] [stdout] 61 |     perspective: Players,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAIL_BOX_120` is never used
[INFO] [stdout]   --> src/chessboard.rs:43:11
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub const MAIL_BOX_120: [i8; (BOARD_WIDTH + 2) * (BOARD_HEIGHT + 4)] = [
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAIL_BOX_64` is never used
[INFO] [stdout]   --> src/chessboard.rs:51:11
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub const MAIL_BOX_64: [i8; 64] = [
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `side_to_move`, `castling_ability`, `en_passant_target_square`, `half_move_clock`, and `full_move_counter` are never read
[INFO] [stdout]   --> src/chessboard.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub struct ChessBoard {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 65 |     pub board: [i8; BOARD_WIDTH * BOARD_HEIGHT],
[INFO] [stdout] 66 |     side_to_move: Players,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 67 |     castling_ability: [bool; 4], /* WKing, WQueen, BKing, BQueen */
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 68 |     en_passant_target_square: Option<i8>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 69 |     half_move_clock: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 70 |     full_move_counter: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ChessBoard` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Move` is never constructed
[INFO] [stdout]   --> src/chessboard.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub struct Move {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Move` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MoveError` is never constructed
[INFO] [stdout]   --> src/fen.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct MoveError {}
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MoveError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `parser_error` is never used
[INFO] [stdout]    --> src/fen.rs:115:12
[INFO] [stdout]     |
[INFO] [stdout] 107 | impl FenError {
[INFO] [stdout]     | ------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 115 |     pub fn parser_error(arguments: FenArguments, given_string: String) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `WPAWN_START_MOVES` is never used
[INFO] [stdout]  --> src/legal_moves.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const WPAWN_START_MOVES: [Move; 2] = [Move { dx: 0, dy: 1 }, Move { dx: 0, dy: 2 }];
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `WPAWN_MOVE` is never used
[INFO] [stdout]  --> src/legal_moves.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const WPAWN_MOVE: Move = Move { dx: 0, dy: 1 };
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `WPAWN_ATTACK_MOVES` is never used
[INFO] [stdout]  --> src/legal_moves.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const WPAWN_ATTACK_MOVES: [Move; 2] = [Move { dx: 1, dy: 1 }, Move { dx: -1, dy: 1 }];
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BPAWN_START_MOVES` is never used
[INFO] [stdout]  --> src/legal_moves.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const BPAWN_START_MOVES: [Move; 2] = [Move { dx: 0, dy: -1 }, Move { dx: 0, dy: -2 }];
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BPAWN_MOVE` is never used
[INFO] [stdout]  --> src/legal_moves.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const BPAWN_MOVE: Move = Move { dx: 0, dy: -1 };
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BPAWN_ATTACK_MOVES` is never used
[INFO] [stdout]  --> src/legal_moves.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const BPAWN_ATTACK_MOVES: [Move; 2] = [Move { dx: 1, dy: -1 }, Move { dx: -1, dy: -1 }];
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `KNIGHT_MOVES` is never used
[INFO] [stdout]   --> src/legal_moves.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const KNIGHT_MOVES: [Move; 8] = [
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DIAGONAL_MOVES` is never used
[INFO] [stdout]   --> src/legal_moves.rs:22:7
[INFO] [stdout]    |
[INFO] [stdout] 22 | const DIAGONAL_MOVES: [Move; 4] = [
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ANTI_DIAGONAL_MOVES` is never used
[INFO] [stdout]   --> src/legal_moves.rs:29:7
[INFO] [stdout]    |
[INFO] [stdout] 29 | const ANTI_DIAGONAL_MOVES: [Move; 4] = [
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ALL_DIRECTION_MOVES` is never used
[INFO] [stdout]   --> src/legal_moves.rs:36:7
[INFO] [stdout]    |
[INFO] [stdout] 36 | const ALL_DIRECTION_MOVES: [Move; 8] = concat_const_arrays(DIAGONAL_MOVES, ANTI_DIAGONAL_MOVES);
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_new_position` is never used
[INFO] [stdout]   --> src/legal_moves.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn get_new_position(current_board_position: usize, chess_move: Move) -> Option<i8> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `concat_const_arrays` is never used
[INFO] [stdout]   --> src/legal_moves.rs:53:10
[INFO] [stdout]    |
[INFO] [stdout] 53 | const fn concat_const_arrays(arr_1: [Move; 4], arr_2: [Move; 4]) -> [Move; 8] {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LEGAL_POS1` is never used
[INFO] [stdout]  --> src/tests/fen_test.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub const LEGAL_POS1: &str = "rnbqkbnr/pp1ppppp/8/2p5/4P3/5N2/PPPP1PPP/RNBQKB1R b KQkq - 1 2";
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LEGAL_POS2` is never used
[INFO] [stdout]  --> src/tests/fen_test.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub const LEGAL_POS2: &str = "rnbq1k1r/pp1Pbppp/2p5/8/2B5/8/PPP1NnPP/RNBQK2R w KQ - 1 8";
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `KIWI_PETE` is never used
[INFO] [stdout]  --> src/tests/fen_test.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const KIWI_PETE: &str = "r3k2r/p1ppqpb1/bn2pnp1/3PN3/1p2P3/2N2Q1p/PPPBBPPP/R3K2R w KQkq -";
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fen_string`
[INFO] [stdout]   --> src/fen.rs:82:39
[INFO] [stdout]    |
[INFO] [stdout] 82 |                         given_string: fen_string,
[INFO] [stdout]    |                                       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fen_string`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/fen.rs:121:19
[INFO] [stdout]     |
[INFO] [stdout] 121 |     fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Start`, `Reset`, and `Move` are never constructed
[INFO] [stdout]   --> src/chess_game.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub enum Message {
[INFO] [stdout]    |          ------- variants in this enum
[INFO] [stdout] 8  |     Start,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 9  |     Reset,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 10 |     Move((usize, usize)),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Message` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/chess_game.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct SvgPieces {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 14 |     pub white_king: &'static [u8],
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 15 |     pub white_queen: &'static [u8],
[INFO] [stdout] 16 |     pub white_rook: &'static [u8],
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 17 |     pub white_bishop: &'static [u8],
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 18 |     pub white_knight: &'static [u8],
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 19 |     pub white_pawn: &'static [u8],
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 20 |     pub black_king: &'static [u8],
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 21 |     pub black_queen: &'static [u8],
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 22 |     pub black_rook: &'static [u8],
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 23 |     pub black_bishop: &'static [u8],
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 24 |     pub black_knight: &'static [u8],
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 25 |     pub black_pawn: &'static [u8],
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `perspective` is never read
[INFO] [stdout]   --> src/chess_game.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub struct ChessGame {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 60 |     game: Option<ChessBoard>,
[INFO] [stdout] 61 |     perspective: Players,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `side_to_move`, `castling_ability`, `en_passant_target_square`, `half_move_clock`, and `full_move_counter` are never read
[INFO] [stdout]   --> src/chessboard.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub struct ChessBoard {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 65 |     pub board: [i8; BOARD_WIDTH * BOARD_HEIGHT],
[INFO] [stdout] 66 |     side_to_move: Players,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 67 |     castling_ability: [bool; 4], /* WKing, WQueen, BKing, BQueen */
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 68 |     en_passant_target_square: Option<i8>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 69 |     half_move_clock: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 70 |     full_move_counter: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ChessBoard` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MoveError` is never constructed
[INFO] [stdout]   --> src/fen.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct MoveError {}
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MoveError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `parser_error` is never used
[INFO] [stdout]    --> src/fen.rs:115:12
[INFO] [stdout]     |
[INFO] [stdout] 107 | impl FenError {
[INFO] [stdout]     | ------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 115 |     pub fn parser_error(arguments: FenArguments, given_string: String) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `WPAWN_START_MOVES` is never used
[INFO] [stdout]  --> src/legal_moves.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const WPAWN_START_MOVES: [Move; 2] = [Move { dx: 0, dy: 1 }, Move { dx: 0, dy: 2 }];
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `WPAWN_MOVE` is never used
[INFO] [stdout]  --> src/legal_moves.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const WPAWN_MOVE: Move = Move { dx: 0, dy: 1 };
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `WPAWN_ATTACK_MOVES` is never used
[INFO] [stdout]  --> src/legal_moves.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const WPAWN_ATTACK_MOVES: [Move; 2] = [Move { dx: 1, dy: 1 }, Move { dx: -1, dy: 1 }];
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BPAWN_START_MOVES` is never used
[INFO] [stdout]  --> src/legal_moves.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const BPAWN_START_MOVES: [Move; 2] = [Move { dx: 0, dy: -1 }, Move { dx: 0, dy: -2 }];
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BPAWN_MOVE` is never used
[INFO] [stdout]  --> src/legal_moves.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const BPAWN_MOVE: Move = Move { dx: 0, dy: -1 };
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BPAWN_ATTACK_MOVES` is never used
[INFO] [stdout]  --> src/legal_moves.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const BPAWN_ATTACK_MOVES: [Move; 2] = [Move { dx: 1, dy: -1 }, Move { dx: -1, dy: -1 }];
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `KNIGHT_MOVES` is never used
[INFO] [stdout]   --> src/legal_moves.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const KNIGHT_MOVES: [Move; 8] = [
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DIAGONAL_MOVES` is never used
[INFO] [stdout]   --> src/legal_moves.rs:22:7
[INFO] [stdout]    |
[INFO] [stdout] 22 | const DIAGONAL_MOVES: [Move; 4] = [
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ANTI_DIAGONAL_MOVES` is never used
[INFO] [stdout]   --> src/legal_moves.rs:29:7
[INFO] [stdout]    |
[INFO] [stdout] 29 | const ANTI_DIAGONAL_MOVES: [Move; 4] = [
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ALL_DIRECTION_MOVES` is never used
[INFO] [stdout]   --> src/legal_moves.rs:36:7
[INFO] [stdout]    |
[INFO] [stdout] 36 | const ALL_DIRECTION_MOVES: [Move; 8] = concat_const_arrays(DIAGONAL_MOVES, ANTI_DIAGONAL_MOVES);
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `concat_const_arrays` is never used
[INFO] [stdout]   --> src/legal_moves.rs:53:10
[INFO] [stdout]    |
[INFO] [stdout] 53 | const fn concat_const_arrays(arr_1: [Move; 4], arr_2: [Move; 4]) -> [Move; 8] {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3m 16s
[INFO] running `Command { std: "docker" "inspect" "42e0b633a2d12a1daf44c5e5709014fa79ac0d21320fdc3e45901078c52024e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42e0b633a2d12a1daf44c5e5709014fa79ac0d21320fdc3e45901078c52024e8", kill_on_drop: false }`
[INFO] [stdout] 42e0b633a2d12a1daf44c5e5709014fa79ac0d21320fdc3e45901078c52024e8
