[INFO] cloning repository https://github.com/cabellwg/deeprust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cabellwg/deeprust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcabellwg%2Fdeeprust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcabellwg%2Fdeeprust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a7b91db4aa2a21ad933b5a192709188ec4fe8b27
[INFO] checking cabellwg/deeprust against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcabellwg%2Fdeeprust" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cabellwg/deeprust on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cabellwg/deeprust
[INFO] finished tweaking git repo https://github.com/cabellwg/deeprust
[INFO] tweaked toml for git repo https://github.com/cabellwg/deeprust written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/cabellwg/deeprust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8bc329f4714f8d77e82ecbf56ebbf23c6f5ab5f4920356ea52087c0899cac4fd
[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" "8bc329f4714f8d77e82ecbf56ebbf23c6f5ab5f4920356ea52087c0899cac4fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bc329f4714f8d77e82ecbf56ebbf23c6f5ab5f4920356ea52087c0899cac4fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bc329f4714f8d77e82ecbf56ebbf23c6f5ab5f4920356ea52087c0899cac4fd", kill_on_drop: false }`
[INFO] [stdout] 8bc329f4714f8d77e82ecbf56ebbf23c6f5ab5f4920356ea52087c0899cac4fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f612d00fc96efec940dab89cabcf01a29cfa549df7906205b1d608071ef3d94
[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" "7f612d00fc96efec940dab89cabcf01a29cfa549df7906205b1d608071ef3d94", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking alexander v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/board.rs:80:24
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub struct _8x8Board([[(Option<Piece>); 8]; 8]);
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/board.rs:80:24
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub struct _8x8Board([[(Option<Piece>); 8]; 8]);
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/board.rs:80:24
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub struct _8x8Board([[(Option<Piece>); 8]; 8]);
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/board.rs:80:24
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub struct _8x8Board([[(Option<Piece>); 8]; 8]);
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `WHITE_PAWN_START_POS`
[INFO] [stdout]   --> src/board.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | const WHITE_PAWN_START_POS: u64 = 0x000000000000ff00;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `WHITE_KNIGHT_START_POS`
[INFO] [stdout]   --> src/board.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | const WHITE_KNIGHT_START_POS: u64 = 0x0000000000000042;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `WHITE_BISHOP_START_POS`
[INFO] [stdout]   --> src/board.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | const WHITE_BISHOP_START_POS: u64 = 0x0000000000000024;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `WHITE_ROOK_START_POS`
[INFO] [stdout]   --> src/board.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | const WHITE_ROOK_START_POS: u64 = 0x0000000000000081;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `WHITE_QUEEN_START_POS`
[INFO] [stdout]   --> src/board.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | const WHITE_QUEEN_START_POS: u64 = 0x0000000000000010;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `WHITE_KING_START_POS`
[INFO] [stdout]   --> src/board.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | const WHITE_KING_START_POS: u64 = 0x0000000000000008;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `BLACK_PAWN_START_POS`
[INFO] [stdout]   --> src/board.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | const BLACK_PAWN_START_POS: u64 = 0x00ff000000000000;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `BLACK_KNIGHT_START_POS`
[INFO] [stdout]   --> src/board.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | const BLACK_KNIGHT_START_POS: u64 = 0x4200000000000000;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `BLACK_BISHOP_START_POS`
[INFO] [stdout]   --> src/board.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | const BLACK_BISHOP_START_POS: u64 = 0x2400000000000000;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `BLACK_ROOK_START_POS`
[INFO] [stdout]   --> src/board.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | const BLACK_ROOK_START_POS: u64 = 0x8100000000000000;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `BLACK_QUEEN_START_POS`
[INFO] [stdout]   --> src/board.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | const BLACK_QUEEN_START_POS: u64 = 0x1000000000000000;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `BLACK_KING_START_POS`
[INFO] [stdout]   --> src/board.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | const BLACK_KING_START_POS: u64 = 0x0800000000000000;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_square`
[INFO] [stdout]    --> src/board.rs:104:12
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub fn set_square(
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_square`
[INFO] [stdout]    --> src/board.rs:115:12
[INFO] [stdout]     |
[INFO] [stdout] 115 |     pub fn get_square(&self, square: &str) -> Option<Piece> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `PieceSet`
[INFO] [stdout]    --> src/board.rs:161:12
[INFO] [stdout]     |
[INFO] [stdout] 161 | pub struct PieceSet {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/board.rs:172:8
[INFO] [stdout]     |
[INFO] [stdout] 172 |     fn new(side: Side) -> PieceSet {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `bit_board_for`
[INFO] [stdout]    --> src/board.rs:193:8
[INFO] [stdout]     |
[INFO] [stdout] 193 |     fn bit_board_for(&self, piece: PieceType) -> BitBoard {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_bit_board`
[INFO] [stdout]    --> src/board.rs:204:8
[INFO] [stdout]     |
[INFO] [stdout] 204 |     fn set_bit_board(&mut self, bit_board: BitBoard, piece: PieceType) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Board`
[INFO] [stdout]    --> src/board.rs:229:12
[INFO] [stdout]     |
[INFO] [stdout] 229 | pub struct Board {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/board.rs:236:12
[INFO] [stdout]     |
[INFO] [stdout] 236 |     pub fn new() -> Board {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `bit_board_for`
[INFO] [stdout]    --> src/board.rs:244:12
[INFO] [stdout]     |
[INFO] [stdout] 244 |     pub fn bit_board_for(&self, piece: Piece) -> BitBoard {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_bit_board`
[INFO] [stdout]    --> src/board.rs:251:12
[INFO] [stdout]     |
[INFO] [stdout] 251 |     pub fn set_bit_board(&mut self, bit_board: BitBoard, piece: Piece) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_square`
[INFO] [stdout]    --> src/board.rs:262:12
[INFO] [stdout]     |
[INFO] [stdout] 262 |     pub fn get_square(&self, square: &str) -> Option<Piece> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_square`
[INFO] [stdout]    --> src/board.rs:266:12
[INFO] [stdout]     |
[INFO] [stdout] 266 |     pub fn set_square(
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `file_for_index`
[INFO] [stdout]    --> src/board.rs:332:8
[INFO] [stdout]     |
[INFO] [stdout] 332 | pub fn file_for_index(index: u8) -> Result<String, InvalidFileError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `CAPTURE_FLAG`
[INFO] [stdout]  --> src/movegen.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | const CAPTURE_FLAG: u8 = 0x04;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Quiet`
[INFO] [stdout]   --> src/movegen.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Quiet = 0,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `DoublePawnPush`
[INFO] [stdout]   --> src/movegen.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     DoublePawnPush,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `KingsideCastle`
[INFO] [stdout]   --> src/movegen.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     KingsideCastle,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `QueensideCastle`
[INFO] [stdout]   --> src/movegen.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     QueensideCastle,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Capture`
[INFO] [stdout]   --> src/movegen.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Capture,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `EnPassant`
[INFO] [stdout]   --> src/movegen.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     EnPassant,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `KnightPromote`
[INFO] [stdout]   --> src/movegen.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     KnightPromote = 8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BishopPromote`
[INFO] [stdout]   --> src/movegen.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     BishopPromote,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RookPromote`
[INFO] [stdout]   --> src/movegen.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     RookPromote,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `QueenPromote`
[INFO] [stdout]   --> src/movegen.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     QueenPromote,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `KnightPromoteCapture`
[INFO] [stdout]   --> src/movegen.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     KnightPromoteCapture,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BishopPromoteCapture`
[INFO] [stdout]   --> src/movegen.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     BishopPromoteCapture,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RookPromoteCapture`
[INFO] [stdout]   --> src/movegen.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     RookPromoteCapture,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `QueenPromoteCapture`
[INFO] [stdout]   --> src/movegen.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     QueenPromoteCapture,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_capture`
[INFO] [stdout]   --> src/movegen.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn is_capture(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Move`
[INFO] [stdout]   --> src/movegen.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct Move {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_capture`
[INFO] [stdout]   --> src/movegen.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn is_capture(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `apply`
[INFO] [stdout]   --> src/movegen.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn apply(&self, board: &mut Board) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 46 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `file_for_index`
[INFO] [stdout]    --> src/board.rs:332:8
[INFO] [stdout]     |
[INFO] [stdout] 332 | pub fn file_for_index(index: u8) -> Result<String, InvalidFileError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `KingsideCastle`
[INFO] [stdout]   --> src/movegen.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     KingsideCastle,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `QueensideCastle`
[INFO] [stdout]   --> src/movegen.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     QueensideCastle,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `EnPassant`
[INFO] [stdout]   --> src/movegen.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     EnPassant,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `KnightPromote`
[INFO] [stdout]   --> src/movegen.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     KnightPromote = 8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BishopPromote`
[INFO] [stdout]   --> src/movegen.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     BishopPromote,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RookPromote`
[INFO] [stdout]   --> src/movegen.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     RookPromote,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `QueenPromote`
[INFO] [stdout]   --> src/movegen.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     QueenPromote,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BishopPromoteCapture`
[INFO] [stdout]   --> src/movegen.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     BishopPromoteCapture,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RookPromoteCapture`
[INFO] [stdout]   --> src/movegen.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     RookPromoteCapture,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `QueenPromoteCapture`
[INFO] [stdout]   --> src/movegen.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     QueenPromoteCapture,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_capture`
[INFO] [stdout]   --> src/movegen.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn is_capture(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.11s
[INFO] running `Command { std: "docker" "inspect" "7f612d00fc96efec940dab89cabcf01a29cfa549df7906205b1d608071ef3d94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f612d00fc96efec940dab89cabcf01a29cfa549df7906205b1d608071ef3d94", kill_on_drop: false }`
[INFO] [stdout] 7f612d00fc96efec940dab89cabcf01a29cfa549df7906205b1d608071ef3d94