[INFO] cloning repository https://github.com/ayg9172/ChessEngine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ayg9172/ChessEngine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayg9172%2FChessEngine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayg9172%2FChessEngine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9379105fd256a5948569784d0430eacc963e9ec5
[INFO] checking ayg9172/ChessEngine/9379105fd256a5948569784d0430eacc963e9ec5 against master#1f81f906893d166d05fb4839f169983f2b564cc7 for pr-135167
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayg9172%2FChessEngine" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ayg9172/ChessEngine on toolchain 1f81f906893d166d05fb4839f169983f2b564cc7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f81f906893d166d05fb4839f169983f2b564cc7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ayg9172/ChessEngine
[INFO] finished tweaking git repo https://github.com/ayg9172/ChessEngine
[INFO] tweaked toml for git repo https://github.com/ayg9172/ChessEngine written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ayg9172/ChessEngine 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" "+1f81f906893d166d05fb4839f169983f2b564cc7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1f81f906893d166d05fb4839f169983f2b564cc7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ae0a56312d05bf432d386fd2603b7ad1e96d96d65c408b84729d2754c54117f
[INFO] running `Command { std: "docker" "start" "-a" "6ae0a56312d05bf432d386fd2603b7ad1e96d96d65c408b84729d2754c54117f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ae0a56312d05bf432d386fd2603b7ad1e96d96d65c408b84729d2754c54117f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ae0a56312d05bf432d386fd2603b7ad1e96d96d65c408b84729d2754c54117f", kill_on_drop: false }`
[INFO] [stdout] 6ae0a56312d05bf432d386fd2603b7ad1e96d96d65c408b84729d2754c54117f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1f81f906893d166d05fb4839f169983f2b564cc7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8a9ba6d9cfc214ef62a276a06f72f78c4fda564db3740878690a2b42d227b11
[INFO] running `Command { std: "docker" "start" "-a" "a8a9ba6d9cfc214ef62a276a06f72f78c4fda564db3740878690a2b42d227b11", kill_on_drop: false }`
[INFO] [stderr]     Checking chess_engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/chess/board.rs:187:44
[INFO] [stdout]     |
[INFO] [stdout] 187 |             (Piece::Pawn, Color::White) => (self.pawns & self.white_pieces),
[INFO] [stdout]     |                                            ^                              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 187 -             (Piece::Pawn, Color::White) => (self.pawns & self.white_pieces),
[INFO] [stdout] 187 +             (Piece::Pawn, Color::White) => self.pawns & self.white_pieces,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/chess/board.rs:188:46
[INFO] [stdout]     |
[INFO] [stdout] 188 |             (Piece::Knight, Color::White) => (self.knights & self.white_pieces),
[INFO] [stdout]     |                                              ^                                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 188 -             (Piece::Knight, Color::White) => (self.knights & self.white_pieces),
[INFO] [stdout] 188 +             (Piece::Knight, Color::White) => self.knights & self.white_pieces,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/chess/board.rs:189:46
[INFO] [stdout]     |
[INFO] [stdout] 189 |             (Piece::Bishop, Color::White) => (self.bishops & self.white_pieces),
[INFO] [stdout]     |                                              ^                                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 189 -             (Piece::Bishop, Color::White) => (self.bishops & self.white_pieces),
[INFO] [stdout] 189 +             (Piece::Bishop, Color::White) => self.bishops & self.white_pieces,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/chess/board.rs:190:44
[INFO] [stdout]     |
[INFO] [stdout] 190 |             (Piece::Rook, Color::White) => (self.rooks & self.white_pieces),
[INFO] [stdout]     |                                            ^                              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 190 -             (Piece::Rook, Color::White) => (self.rooks & self.white_pieces),
[INFO] [stdout] 190 +             (Piece::Rook, Color::White) => self.rooks & self.white_pieces,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/chess/board.rs:191:45
[INFO] [stdout]     |
[INFO] [stdout] 191 |             (Piece::Queen, Color::White) => (self.queens & self.white_pieces),
[INFO] [stdout]     |                                             ^                               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 191 -             (Piece::Queen, Color::White) => (self.queens & self.white_pieces),
[INFO] [stdout] 191 +             (Piece::Queen, Color::White) => self.queens & self.white_pieces,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/chess/board.rs:192:44
[INFO] [stdout]     |
[INFO] [stdout] 192 |             (Piece::King, Color::White) => (self.kings & self.white_pieces),
[INFO] [stdout]     |                                            ^                              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 192 -             (Piece::King, Color::White) => (self.kings & self.white_pieces),
[INFO] [stdout] 192 +             (Piece::King, Color::White) => self.kings & self.white_pieces,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/chess/board.rs:193:44
[INFO] [stdout]     |
[INFO] [stdout] 193 |             (Piece::Pawn, Color::Black) => (self.pawns & self.black_pieces),
[INFO] [stdout]     |                                            ^                              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 193 -             (Piece::Pawn, Color::Black) => (self.pawns & self.black_pieces),
[INFO] [stdout] 193 +             (Piece::Pawn, Color::Black) => self.pawns & self.black_pieces,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/chess/board.rs:194:46
[INFO] [stdout]     |
[INFO] [stdout] 194 |             (Piece::Knight, Color::Black) => (self.knights & self.black_pieces),
[INFO] [stdout]     |                                              ^                                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 194 -             (Piece::Knight, Color::Black) => (self.knights & self.black_pieces),
[INFO] [stdout] 194 +             (Piece::Knight, Color::Black) => self.knights & self.black_pieces,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/chess/board.rs:195:46
[INFO] [stdout]     |
[INFO] [stdout] 195 |             (Piece::Bishop, Color::Black) => (self.bishops & self.black_pieces),
[INFO] [stdout]     |                                              ^                                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 195 -             (Piece::Bishop, Color::Black) => (self.bishops & self.black_pieces),
[INFO] [stdout] 195 +             (Piece::Bishop, Color::Black) => self.bishops & self.black_pieces,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/chess/board.rs:196:44
[INFO] [stdout]     |
[INFO] [stdout] 196 |             (Piece::Rook, Color::Black) => (self.rooks & self.black_pieces),
[INFO] [stdout]     |                                            ^                              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 196 -             (Piece::Rook, Color::Black) => (self.rooks & self.black_pieces),
[INFO] [stdout] 196 +             (Piece::Rook, Color::Black) => self.rooks & self.black_pieces,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/chess/board.rs:197:45
[INFO] [stdout]     |
[INFO] [stdout] 197 |             (Piece::Queen, Color::Black) => (self.queens & self.black_pieces),
[INFO] [stdout]     |                                             ^                               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 197 -             (Piece::Queen, Color::Black) => (self.queens & self.black_pieces),
[INFO] [stdout] 197 +             (Piece::Queen, Color::Black) => self.queens & self.black_pieces,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/chess/board.rs:198:44
[INFO] [stdout]     |
[INFO] [stdout] 198 |             (Piece::King, Color::Black) => (self.kings & self.black_pieces),
[INFO] [stdout]     |                                            ^                              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 198 -             (Piece::King, Color::Black) => (self.kings & self.black_pieces),
[INFO] [stdout] 198 +             (Piece::King, Color::Black) => self.kings & self.black_pieces,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/chess/board.rs:187:44
[INFO] [stdout]     |
[INFO] [stdout] 187 |             (Piece::Pawn, Color::White) => (self.pawns & self.white_pieces),
[INFO] [stdout]     |                                            ^                              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 187 -             (Piece::Pawn, Color::White) => (self.pawns & self.white_pieces),
[INFO] [stdout] 187 +             (Piece::Pawn, Color::White) => self.pawns & self.white_pieces,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/chess/board.rs:188:46
[INFO] [stdout]     |
[INFO] [stdout] 188 |             (Piece::Knight, Color::White) => (self.knights & self.white_pieces),
[INFO] [stdout]     |                                              ^                                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 188 -             (Piece::Knight, Color::White) => (self.knights & self.white_pieces),
[INFO] [stdout] 188 +             (Piece::Knight, Color::White) => self.knights & self.white_pieces,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/chess/board.rs:189:46
[INFO] [stdout]     |
[INFO] [stdout] 189 |             (Piece::Bishop, Color::White) => (self.bishops & self.white_pieces),
[INFO] [stdout]     |                                              ^                                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 189 -             (Piece::Bishop, Color::White) => (self.bishops & self.white_pieces),
[INFO] [stdout] 189 +             (Piece::Bishop, Color::White) => self.bishops & self.white_pieces,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/chess/board.rs:190:44
[INFO] [stdout]     |
[INFO] [stdout] 190 |             (Piece::Rook, Color::White) => (self.rooks & self.white_pieces),
[INFO] [stdout]     |                                            ^                              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 190 -             (Piece::Rook, Color::White) => (self.rooks & self.white_pieces),
[INFO] [stdout] 190 +             (Piece::Rook, Color::White) => self.rooks & self.white_pieces,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/chess/board.rs:191:45
[INFO] [stdout]     |
[INFO] [stdout] 191 |             (Piece::Queen, Color::White) => (self.queens & self.white_pieces),
[INFO] [stdout]     |                                             ^                               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 191 -             (Piece::Queen, Color::White) => (self.queens & self.white_pieces),
[INFO] [stdout] 191 +             (Piece::Queen, Color::White) => self.queens & self.white_pieces,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/chess/board.rs:192:44
[INFO] [stdout]     |
[INFO] [stdout] 192 |             (Piece::King, Color::White) => (self.kings & self.white_pieces),
[INFO] [stdout]     |                                            ^                              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 192 -             (Piece::King, Color::White) => (self.kings & self.white_pieces),
[INFO] [stdout] 192 +             (Piece::King, Color::White) => self.kings & self.white_pieces,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/chess/board.rs:193:44
[INFO] [stdout]     |
[INFO] [stdout] 193 |             (Piece::Pawn, Color::Black) => (self.pawns & self.black_pieces),
[INFO] [stdout]     |                                            ^                              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 193 -             (Piece::Pawn, Color::Black) => (self.pawns & self.black_pieces),
[INFO] [stdout] 193 +             (Piece::Pawn, Color::Black) => self.pawns & self.black_pieces,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/chess/board.rs:194:46
[INFO] [stdout]     |
[INFO] [stdout] 194 |             (Piece::Knight, Color::Black) => (self.knights & self.black_pieces),
[INFO] [stdout]     |                                              ^                                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 194 -             (Piece::Knight, Color::Black) => (self.knights & self.black_pieces),
[INFO] [stdout] 194 +             (Piece::Knight, Color::Black) => self.knights & self.black_pieces,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/chess/board.rs:195:46
[INFO] [stdout]     |
[INFO] [stdout] 195 |             (Piece::Bishop, Color::Black) => (self.bishops & self.black_pieces),
[INFO] [stdout]     |                                              ^                                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 195 -             (Piece::Bishop, Color::Black) => (self.bishops & self.black_pieces),
[INFO] [stdout] 195 +             (Piece::Bishop, Color::Black) => self.bishops & self.black_pieces,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/chess/board.rs:196:44
[INFO] [stdout]     |
[INFO] [stdout] 196 |             (Piece::Rook, Color::Black) => (self.rooks & self.black_pieces),
[INFO] [stdout]     |                                            ^                              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 196 -             (Piece::Rook, Color::Black) => (self.rooks & self.black_pieces),
[INFO] [stdout] 196 +             (Piece::Rook, Color::Black) => self.rooks & self.black_pieces,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/chess/board.rs:197:45
[INFO] [stdout]     |
[INFO] [stdout] 197 |             (Piece::Queen, Color::Black) => (self.queens & self.black_pieces),
[INFO] [stdout]     |                                             ^                               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 197 -             (Piece::Queen, Color::Black) => (self.queens & self.black_pieces),
[INFO] [stdout] 197 +             (Piece::Queen, Color::Black) => self.queens & self.black_pieces,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/chess/board.rs:198:44
[INFO] [stdout]     |
[INFO] [stdout] 198 |             (Piece::King, Color::Black) => (self.kings & self.black_pieces),
[INFO] [stdout]     |                                            ^                              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 198 -             (Piece::King, Color::Black) => (self.kings & self.black_pieces),
[INFO] [stdout] 198 +             (Piece::King, Color::Black) => self.kings & self.black_pieces,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `now`
[INFO] [stdout]   --> src/chess/move_api.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 |             let now = Instant::now();
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board`
[INFO] [stdout]    --> src/chess/move_generator.rs:309:35
[INFO] [stdout]     |
[INFO] [stdout] 309 |     pub fn is_pinned_piece(&self, board: &Board, piece: Piece) -> Option<Direction> {
[INFO] [stdout]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `piece`
[INFO] [stdout]    --> src/chess/move_generator.rs:309:50
[INFO] [stdout]     |
[INFO] [stdout] 309 |     pub fn is_pinned_piece(&self, board: &Board, piece: Piece) -> Option<Direction> {
[INFO] [stdout]     |                                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_piece`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `now`
[INFO] [stdout]   --> src/chess/move_api.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 |             let now = Instant::now();
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/chess.rs:34:10
[INFO] [stdout]    |
[INFO] [stdout] 34 |     Info(String),
[INFO] [stdout]    |     ---- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 34 |     Info(()),
[INFO] [stdout]    |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/chess.rs:35:11
[INFO] [stdout]    |
[INFO] [stdout] 35 |     Error(String),
[INFO] [stdout]    |     ----- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 35 |     Error(()),
[INFO] [stdout]    |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `try_move`, `try_undo`, `get_state`, `get_outcome`, and `get_legal_moves` are never used
[INFO] [stdout]   --> src/chess.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub trait GameAPI {
[INFO] [stdout]    |           ------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 42 |     fn try_move(&mut self, m: Move) -> Message;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     fn try_undo(&mut self) -> Message;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     fn get_state(&self) -> [[(Option<Piece>, Option<Color>); 8]; 8];
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     fn get_outcome(&mut self) -> Message;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     fn get_legal_moves(&mut self) -> Vec<Move>;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_pinned_piece` is never used
[INFO] [stdout]    --> src/chess/move_generator.rs:309:12
[INFO] [stdout]     |
[INFO] [stdout] 29  | impl MoveGenerator {
[INFO] [stdout]     | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 309 |     pub fn is_pinned_piece(&self, board: &Board, piece: Piece) -> Option<Direction> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board`
[INFO] [stdout]    --> src/chess/move_generator.rs:309:35
[INFO] [stdout]     |
[INFO] [stdout] 309 |     pub fn is_pinned_piece(&self, board: &Board, piece: Piece) -> Option<Direction> {
[INFO] [stdout]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `piece`
[INFO] [stdout]    --> src/chess/move_generator.rs:309:50
[INFO] [stdout]     |
[INFO] [stdout] 309 |     pub fn is_pinned_piece(&self, board: &Board, piece: Piece) -> Option<Direction> {
[INFO] [stdout]     |                                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_piece`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/chess.rs:34:10
[INFO] [stdout]    |
[INFO] [stdout] 34 |     Info(String),
[INFO] [stdout]    |     ---- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 34 |     Info(()),
[INFO] [stdout]    |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/chess.rs:35:11
[INFO] [stdout]    |
[INFO] [stdout] 35 |     Error(String),
[INFO] [stdout]    |     ----- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 35 |     Error(()),
[INFO] [stdout]    |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `try_move`, `try_undo`, `get_state`, `get_outcome`, and `get_legal_moves` are never used
[INFO] [stdout]   --> src/chess.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub trait GameAPI {
[INFO] [stdout]    |           ------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 42 |     fn try_move(&mut self, m: Move) -> Message;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     fn try_undo(&mut self) -> Message;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     fn get_state(&self) -> [[(Option<Piece>, Option<Color>); 8]; 8];
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     fn get_outcome(&mut self) -> Message;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     fn get_legal_moves(&mut self) -> Vec<Move>;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_pinned_piece` is never used
[INFO] [stdout]    --> src/chess/move_generator.rs:309:12
[INFO] [stdout]     |
[INFO] [stdout] 29  | impl MoveGenerator {
[INFO] [stdout]     | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 309 |     pub fn is_pinned_piece(&self, board: &Board, piece: Piece) -> Option<Direction> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "a8a9ba6d9cfc214ef62a276a06f72f78c4fda564db3740878690a2b42d227b11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8a9ba6d9cfc214ef62a276a06f72f78c4fda564db3740878690a2b42d227b11", kill_on_drop: false }`
[INFO] [stdout] a8a9ba6d9cfc214ef62a276a06f72f78c4fda564db3740878690a2b42d227b11