[INFO] cloning repository https://github.com/TristanFloch/chess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TristanFloch/chess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTristanFloch%2Fchess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTristanFloch%2Fchess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5aa9f96e92ed3e27e0adb536e24194a12badec92
[INFO] testing TristanFloch/chess against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTristanFloch%2Fchess" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TristanFloch/chess on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TristanFloch/chess
[INFO] finished tweaking git repo https://github.com/TristanFloch/chess
[INFO] tweaked toml for git repo https://github.com/TristanFloch/chess written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/TristanFloch/chess already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2360b08d8a3d395bcfb3d79bc66f8abcb5e874efc6b40bfd2313d039c5c9c881
[INFO] running `Command { std: "docker" "start" "-a" "2360b08d8a3d395bcfb3d79bc66f8abcb5e874efc6b40bfd2313d039c5c9c881", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2360b08d8a3d395bcfb3d79bc66f8abcb5e874efc6b40bfd2313d039c5c9c881", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2360b08d8a3d395bcfb3d79bc66f8abcb5e874efc6b40bfd2313d039c5c9c881", kill_on_drop: false }`
[INFO] [stdout] 2360b08d8a3d395bcfb3d79bc66f8abcb5e874efc6b40bfd2313d039c5c9c881
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ee005042ea94ee27af6bcc6ddf9e1a0d66f0f4f91ee828d2d8ae42a009b6004
[INFO] running `Command { std: "docker" "start" "-a" "0ee005042ea94ee27af6bcc6ddf9e1a0d66f0f4f91ee828d2d8ae42a009b6004", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling chess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `pos`
[INFO] [stdout]   --> src/engine/board.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn index(&self, pos: Position) -> &Self::Output {
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_pos`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board`
[INFO] [stdout]   --> src/engine/rules.rs:30:28
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn generate_pawn_moves(board: &Board) -> Vec<Move> {
[INFO] [stdout]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board`
[INFO] [stdout]   --> src/engine/rules.rs:64:30
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub fn generate_bishop_moves(board: &Board) -> Vec<Move> {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board`
[INFO] [stdout]   --> src/engine/rules.rs:95:29
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub fn generate_queen_moves(board: &Board) -> Vec<Move> {
[INFO] [stdout]    |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `turn`
[INFO] [stdout]  --> src/engine/board.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     turn: u32,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `white_king_castling`
[INFO] [stdout]   --> src/engine/board.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     white_king_castling: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `white_queen_castling`
[INFO] [stdout]   --> src/engine/board.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     white_queen_castling: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `black_king_castling`
[INFO] [stdout]   --> src/engine/board.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     black_king_castling: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `black_queen_castling`
[INFO] [stdout]   --> src/engine/board.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     black_queen_castling: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.60s
[INFO] running `Command { std: "docker" "inspect" "0ee005042ea94ee27af6bcc6ddf9e1a0d66f0f4f91ee828d2d8ae42a009b6004", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ee005042ea94ee27af6bcc6ddf9e1a0d66f0f4f91ee828d2d8ae42a009b6004", kill_on_drop: false }`
[INFO] [stdout] 0ee005042ea94ee27af6bcc6ddf9e1a0d66f0f4f91ee828d2d8ae42a009b6004
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a254fcb53f80a2adb4f8d147ee421104190bc492fcb7ddf6038a3f59642f56f1
[INFO] running `Command { std: "docker" "start" "-a" "a254fcb53f80a2adb4f8d147ee421104190bc492fcb7ddf6038a3f59642f56f1", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `pos`
[INFO] [stdout]   --> src/engine/board.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn index(&self, pos: Position) -> &Self::Output {
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_pos`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board`
[INFO] [stdout]   --> src/engine/rules.rs:30:28
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn generate_pawn_moves(board: &Board) -> Vec<Move> {
[INFO] [stdout]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board`
[INFO] [stdout]   --> src/engine/rules.rs:64:30
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub fn generate_bishop_moves(board: &Board) -> Vec<Move> {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board`
[INFO] [stdout]   --> src/engine/rules.rs:95:29
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub fn generate_queen_moves(board: &Board) -> Vec<Move> {
[INFO] [stdout]    |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling chess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `turn`
[INFO] [stdout]  --> src/engine/board.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     turn: u32,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `white_king_castling`
[INFO] [stdout]   --> src/engine/board.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     white_king_castling: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `white_queen_castling`
[INFO] [stdout]   --> src/engine/board.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     white_queen_castling: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `black_king_castling`
[INFO] [stdout]   --> src/engine/board.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     black_king_castling: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `black_queen_castling`
[INFO] [stdout]   --> src/engine/board.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     black_queen_castling: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pos`
[INFO] [stdout]   --> src/engine/board.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn index(&self, pos: Position) -> &Self::Output {
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_pos`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board`
[INFO] [stdout]   --> src/engine/rules.rs:30:28
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn generate_pawn_moves(board: &Board) -> Vec<Move> {
[INFO] [stdout]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board`
[INFO] [stdout]   --> src/engine/rules.rs:64:30
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub fn generate_bishop_moves(board: &Board) -> Vec<Move> {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board`
[INFO] [stdout]   --> src/engine/rules.rs:95:29
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub fn generate_queen_moves(board: &Board) -> Vec<Move> {
[INFO] [stdout]    |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/engine/rules.rs:179:13
[INFO] [stdout]     |
[INFO] [stdout] 179 |         let mut res = generate_rook_moves(&board);
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `turn`
[INFO] [stdout]  --> src/engine/board.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     turn: u32,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `white_king_castling`
[INFO] [stdout]   --> src/engine/board.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     white_king_castling: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `white_queen_castling`
[INFO] [stdout]   --> src/engine/board.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     white_queen_castling: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `black_king_castling`
[INFO] [stdout]   --> src/engine/board.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     black_king_castling: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `black_queen_castling`
[INFO] [stdout]   --> src/engine/board.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     black_queen_castling: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_moves`
[INFO] [stdout]    --> src/engine/rules.rs:131:8
[INFO] [stdout]     |
[INFO] [stdout] 131 |     fn print_moves(moves: &Vec<Move>) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "a254fcb53f80a2adb4f8d147ee421104190bc492fcb7ddf6038a3f59642f56f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a254fcb53f80a2adb4f8d147ee421104190bc492fcb7ddf6038a3f59642f56f1", kill_on_drop: false }`
[INFO] [stdout] a254fcb53f80a2adb4f8d147ee421104190bc492fcb7ddf6038a3f59642f56f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] be0ff896f108782f44cb0e42f553bf785d85dda2cf6cfb6d001f24bf52fa280d
[INFO] running `Command { std: "docker" "start" "-a" "be0ff896f108782f44cb0e42f553bf785d85dda2cf6cfb6d001f24bf52fa280d", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `pos`
[INFO] [stderr]   --> src/engine/board.rs:66:21
[INFO] [stderr]    |
[INFO] [stderr] 66 |     fn index(&self, pos: Position) -> &Self::Output {
[INFO] [stderr]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_pos`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]   --> src/engine/rules.rs:30:28
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub fn generate_pawn_moves(board: &Board) -> Vec<Move> {
[INFO] [stderr]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]   --> src/engine/rules.rs:64:30
[INFO] [stderr]    |
[INFO] [stderr] 64 | pub fn generate_bishop_moves(board: &Board) -> Vec<Move> {
[INFO] [stderr]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]   --> src/engine/rules.rs:95:29
[INFO] [stderr]    |
[INFO] [stderr] 95 | pub fn generate_queen_moves(board: &Board) -> Vec<Move> {
[INFO] [stderr]    |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `turn`
[INFO] [stderr]  --> src/engine/board.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     turn: u32,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `white_king_castling`
[INFO] [stderr]   --> src/engine/board.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     white_king_castling: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `white_queen_castling`
[INFO] [stderr]   --> src/engine/board.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     white_queen_castling: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `black_king_castling`
[INFO] [stderr]   --> src/engine/board.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     black_king_castling: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `black_queen_castling`
[INFO] [stderr]   --> src/engine/board.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     black_queen_castling: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `chess` (lib) generated 9 warnings
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stdout] 
[INFO] [stderr]    --> src/engine/rules.rs:179:13
[INFO] [stdout] running 3 tests
[INFO] [stderr]     |
[INFO] [stdout] test engine::rules::tests::knight_moves ... ok
[INFO] [stderr] 179 |         let mut res = generate_rook_moves(&board);
[INFO] [stdout] test engine::rules::tests::king_moves ... ok
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_moves`
[INFO] [stderr]    --> src/engine/rules.rs:131:8
[INFO] [stderr]     |
[INFO] [stderr] 131 |     fn print_moves(moves: &Vec<Move>) {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `chess` (lib test) generated 11 warnings (9 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chess-dd4027f5d6ee3367)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chess-04eb015331a2c56c)
[INFO] [stdout] test engine::rules::tests::rook_moves ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests chess
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "be0ff896f108782f44cb0e42f553bf785d85dda2cf6cfb6d001f24bf52fa280d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be0ff896f108782f44cb0e42f553bf785d85dda2cf6cfb6d001f24bf52fa280d", kill_on_drop: false }`
[INFO] [stdout] be0ff896f108782f44cb0e42f553bf785d85dda2cf6cfb6d001f24bf52fa280d