[INFO] cloning repository https://github.com/aryavsaigal/dragonclash
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aryavsaigal/dragonclash" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faryavsaigal%2Fdragonclash", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faryavsaigal%2Fdragonclash'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0faa19b8e75df0dc418e0d827dfb0e5e9eda6764
[INFO] linting aryavsaigal/dragonclash against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faryavsaigal%2Fdragonclash" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/aryavsaigal/dragonclash
[INFO] finished tweaking git repo https://github.com/aryavsaigal/dragonclash
[INFO] tweaked toml for git repo https://github.com/aryavsaigal/dragonclash written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/aryavsaigal/dragonclash on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/aryavsaigal/dragonclash 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" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 133d49a9ad3063f917fd7f0214436da6cb82faecc07643141606f19f7e43ff64
[INFO] running `Command { std: "docker" "start" "-a" "133d49a9ad3063f917fd7f0214436da6cb82faecc07643141606f19f7e43ff64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "133d49a9ad3063f917fd7f0214436da6cb82faecc07643141606f19f7e43ff64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "133d49a9ad3063f917fd7f0214436da6cb82faecc07643141606f19f7e43ff64", kill_on_drop: false }`
[INFO] [stdout] 133d49a9ad3063f917fd7f0214436da6cb82faecc07643141606f19f7e43ff64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "clippy" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24b56196be5de7ca71270d72db6cde59342f6d6fa88d26ba6860a73bd14ce01d
[INFO] running `Command { std: "docker" "start" "-a" "24b56196be5de7ca71270d72db6cde59342f6d6fa88d26ba6860a73bd14ce01d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking dragonclash v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: operator precedence might not be obvious
[INFO] [stdout]    --> src/board.rs:352:33
[INFO] [stdout]     |
[INFO] [stdout] 352 |             let possible_move = rook << 8 * c;
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^ help: consider parenthesizing your expression: `rook << (8 * c)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stdout]     = note: `#[warn(clippy::precedence)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: operator precedence might not be obvious
[INFO] [stdout]    --> src/board.rs:365:33
[INFO] [stdout]     |
[INFO] [stdout] 365 |             let possible_move = rook >> 8 * c;
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^ help: consider parenthesizing your expression: `rook >> (8 * c)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: operator precedence might not be obvious
[INFO] [stdout]    --> src/board.rs:411:33
[INFO] [stdout]     |
[INFO] [stdout] 411 |             let possible_move = bishop << 9 * c;
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^ help: consider parenthesizing your expression: `bishop << (9 * c)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: operator precedence might not be obvious
[INFO] [stdout]    --> src/board.rs:424:33
[INFO] [stdout]     |
[INFO] [stdout] 424 |             let possible_move = bishop >> 9 * c;
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^ help: consider parenthesizing your expression: `bishop >> (9 * c)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: operator precedence might not be obvious
[INFO] [stdout]    --> src/board.rs:437:33
[INFO] [stdout]     |
[INFO] [stdout] 437 |             let possible_move = bishop << 7 * c;
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^ help: consider parenthesizing your expression: `bishop << (7 * c)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: operator precedence might not be obvious
[INFO] [stdout]    --> src/board.rs:450:33
[INFO] [stdout]     |
[INFO] [stdout] 450 |             let possible_move = bishop >> 7 * c;
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^ help: consider parenthesizing your expression: `bishop >> (7 * c)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `time::Duration`
[INFO] [stdout]  --> src/engine.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{i32, time::Duration};
[INFO] [stdout]   |                ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `>= y + 1` or `x - 1 >=`
[INFO] [stdout]    --> src/engine.rs:297:12
[INFO] [stdout]     |
[INFO] [stdout] 297 |         if depth >= R+1 && !board.is_check(board.turn) && !Engine::endgame(board.bitboards) {
[INFO] [stdout]     |            ^^^^^^^^^^^^ help: change it to: `depth > R`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#int_plus_one
[INFO] [stdout]     = note: `#[warn(clippy::int_plus_one)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: operator precedence might not be obvious
[INFO] [stdout]    --> src/board.rs:352:33
[INFO] [stdout]     |
[INFO] [stdout] 352 |             let possible_move = rook << 8 * c;
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^ help: consider parenthesizing your expression: `rook << (8 * c)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stdout]     = note: `#[warn(clippy::precedence)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: operator precedence might not be obvious
[INFO] [stdout]    --> src/board.rs:365:33
[INFO] [stdout]     |
[INFO] [stdout] 365 |             let possible_move = rook >> 8 * c;
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^ help: consider parenthesizing your expression: `rook >> (8 * c)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: operator precedence might not be obvious
[INFO] [stdout]    --> src/board.rs:411:33
[INFO] [stdout]     |
[INFO] [stdout] 411 |             let possible_move = bishop << 9 * c;
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^ help: consider parenthesizing your expression: `bishop << (9 * c)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: operator precedence might not be obvious
[INFO] [stdout]    --> src/board.rs:424:33
[INFO] [stdout]     |
[INFO] [stdout] 424 |             let possible_move = bishop >> 9 * c;
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^ help: consider parenthesizing your expression: `bishop >> (9 * c)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: operator precedence might not be obvious
[INFO] [stdout]    --> src/board.rs:437:33
[INFO] [stdout]     |
[INFO] [stdout] 437 |             let possible_move = bishop << 7 * c;
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^ help: consider parenthesizing your expression: `bishop << (7 * c)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: operator precedence might not be obvious
[INFO] [stdout]    --> src/board.rs:450:33
[INFO] [stdout]     |
[INFO] [stdout] 450 |             let possible_move = bishop >> 7 * c;
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^ help: consider parenthesizing your expression: `bishop >> (7 * c)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `time::Duration`
[INFO] [stdout]  --> src/engine.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{i32, time::Duration};
[INFO] [stdout]   |                ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `>= y + 1` or `x - 1 >=`
[INFO] [stdout]    --> src/engine.rs:297:12
[INFO] [stdout]     |
[INFO] [stdout] 297 |         if depth >= R+1 && !board.is_check(board.turn) && !Engine::endgame(board.bitboards) {
[INFO] [stdout]     |            ^^^^^^^^^^^^ help: change it to: `depth > R`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#int_plus_one
[INFO] [stdout]     = note: `#[warn(clippy::int_plus_one)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/main.rs:8:21
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::io::{self, BufRead};
[INFO] [stdout]   |                     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/main.rs:8:21
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::io::{self, BufRead};
[INFO] [stdout]   |                     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `redo` is assigned to, but never used
[INFO] [stdout]   --> src/engine.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let mut redo = 0;
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_redo` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `redo` is never read
[INFO] [stdout]    --> src/engine.rs:108:21
[INFO] [stdout]     |
[INFO] [stdout] 108 |                     redo += 1;
[INFO] [stdout]     |                     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `redo` is never read
[INFO] [stdout]    --> src/engine.rs:102:21
[INFO] [stdout]     |
[INFO] [stdout] 102 |                     redo += 1;
[INFO] [stdout]     |                     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `redo` is assigned to, but never used
[INFO] [stdout]   --> src/engine.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let mut redo = 0;
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_redo` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `redo` is never read
[INFO] [stdout]    --> src/engine.rs:108:21
[INFO] [stdout]     |
[INFO] [stdout] 108 |                     redo += 1;
[INFO] [stdout]     |                     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `redo` is never read
[INFO] [stdout]    --> src/engine.rs:102:21
[INFO] [stdout]     |
[INFO] [stdout] 102 |                     redo += 1;
[INFO] [stdout]     |                     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ranks` is never used
[INFO] [stdout]   --> src/board.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn ranks<I: IntoIterator<Item = usize>>(c: I) -> Bitboard {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `move_history_to_algebraic`, `empty`, `display_from_bitboards`, `display_bitboard`, and `find_bitboard` are never used
[INFO] [stdout]     --> src/board.rs:620:12
[INFO] [stdout]      |
[INFO] [stdout]   56 | impl Board {
[INFO] [stdout]      | ---------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  620 |     pub fn move_history_to_algebraic(&self) -> String {
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  819 |     pub fn empty(&self) -> Bitboard {
[INFO] [stdout]      |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1088 |     pub fn display_from_bitboards(&mut self) {
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1122 |     pub fn display_bitboard(bitboard: Bitboard) {
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1150 |     pub fn find_bitboard(&self, bit_position: usize, colour: Colour) -> Option<Pieces> {
[INFO] [stdout]      |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `map_piece` is never used
[INFO] [stdout]     --> src/board.rs:1640:4
[INFO] [stdout]      |
[INFO] [stdout] 1640 | fn map_piece(colour: Colour, piece: Pieces) -> char {
[INFO] [stdout]      |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_num` is never used
[INFO] [stdout]     --> src/board.rs:1733:12
[INFO] [stdout]      |
[INFO] [stdout] 1732 | impl Pieces {
[INFO] [stdout]      | ----------- associated function in this implementation
[INFO] [stdout] 1733 |     pub fn from_num(num: usize) -> Option<Pieces> {
[INFO] [stdout]      |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_num` is never used
[INFO] [stdout]     --> src/board.rs:1765:8
[INFO] [stdout]      |
[INFO] [stdout] 1764 | impl Colour {
[INFO] [stdout]      | ----------- associated function in this implementation
[INFO] [stdout] 1765 |     fn from_num(num: usize) -> Option<Colour> {
[INFO] [stdout]      |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Draw` is never constructed
[INFO] [stdout]     --> src/board.rs:1889:5
[INFO] [stdout]      |
[INFO] [stdout] 1886 | pub enum State {
[INFO] [stdout]      |          ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 1889 |     Draw,
[INFO] [stdout]      |     ^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `State` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `is_repetition` and `score` are never used
[INFO] [stdout]    --> src/engine.rs:244:8
[INFO] [stdout]     |
[INFO] [stdout]  27 | impl Engine {
[INFO] [stdout]     | ----------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 244 |     fn is_repetition(board: &mut Board,) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 470 |     fn score(piece: Pieces) -> u32 {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is used to index `bitboards_copy`
[INFO] [stdout]    --> src/board.rs:148:18
[INFO] [stdout]     |
[INFO] [stdout] 148 |         for i in 0..bitboards_copy.len() {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout]     = note: `#[warn(clippy::needless_range_loop)]` on by default
[INFO] [stdout] help: consider using an iterator and enumerate()
[INFO] [stdout]     |
[INFO] [stdout] 148 -         for i in 0..bitboards_copy.len() {
[INFO] [stdout] 148 +         for (i, <item>) in bitboards_copy.iter().enumerate() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ranks` is never used
[INFO] [stdout]   --> src/board.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn ranks<I: IntoIterator<Item = usize>>(c: I) -> Bitboard {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `move_history_to_algebraic`, `empty`, `display_from_bitboards`, `display_bitboard`, and `find_bitboard` are never used
[INFO] [stdout]     --> src/board.rs:620:12
[INFO] [stdout]      |
[INFO] [stdout]   56 | impl Board {
[INFO] [stdout]      | ---------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  620 |     pub fn move_history_to_algebraic(&self) -> String {
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  819 |     pub fn empty(&self) -> Bitboard {
[INFO] [stdout]      |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1088 |     pub fn display_from_bitboards(&mut self) {
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1122 |     pub fn display_bitboard(bitboard: Bitboard) {
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1150 |     pub fn find_bitboard(&self, bit_position: usize, colour: Colour) -> Option<Pieces> {
[INFO] [stdout]      |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `map_piece` is never used
[INFO] [stdout]     --> src/board.rs:1640:4
[INFO] [stdout]      |
[INFO] [stdout] 1640 | fn map_piece(colour: Colour, piece: Pieces) -> char {
[INFO] [stdout]      |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_num` is never used
[INFO] [stdout]     --> src/board.rs:1733:12
[INFO] [stdout]      |
[INFO] [stdout] 1732 | impl Pieces {
[INFO] [stdout]      | ----------- associated function in this implementation
[INFO] [stdout] 1733 |     pub fn from_num(num: usize) -> Option<Pieces> {
[INFO] [stdout]      |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_num` is never used
[INFO] [stdout]     --> src/board.rs:1765:8
[INFO] [stdout]      |
[INFO] [stdout] 1764 | impl Colour {
[INFO] [stdout]      | ----------- associated function in this implementation
[INFO] [stdout] 1765 |     fn from_num(num: usize) -> Option<Colour> {
[INFO] [stdout]      |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Draw` is never constructed
[INFO] [stdout]     --> src/board.rs:1889:5
[INFO] [stdout]      |
[INFO] [stdout] 1886 | pub enum State {
[INFO] [stdout]      |          ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 1889 |     Draw,
[INFO] [stdout]      |     ^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `State` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `is_repetition` and `score` are never used
[INFO] [stdout]    --> src/engine.rs:244:8
[INFO] [stdout]     |
[INFO] [stdout]  27 | impl Engine {
[INFO] [stdout]     | ----------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 244 |     fn is_repetition(board: &mut Board,) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 470 |     fn score(piece: Pieces) -> u32 {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `&Box<T>`. Consider using just `&T`
[INFO] [stdout]    --> src/board.rs:526:24
[INFO] [stdout]     |
[INFO] [stdout] 526 |         ttable: Option<&Box<[TTEntry]>>,
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^ help: try: `&[TTEntry]`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#borrowed_box
[INFO] [stdout]     = note: `#[warn(clippy::borrowed_box)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is used to index `bitboards_copy`
[INFO] [stdout]    --> src/board.rs:148:18
[INFO] [stdout]     |
[INFO] [stdout] 148 |         for i in 0..bitboards_copy.len() {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout]     = note: `#[warn(clippy::needless_range_loop)]` on by default
[INFO] [stdout] help: consider using an iterator and enumerate()
[INFO] [stdout]     |
[INFO] [stdout] 148 -         for i in 0..bitboards_copy.len() {
[INFO] [stdout] 148 +         for (i, <item>) in bitboards_copy.iter().enumerate() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]    --> src/board.rs:552:21
[INFO] [stdout]     |
[INFO] [stdout] 552 | /                     if entry.valid {
[INFO] [stdout] 553 | |                         if entry.hash == self.hash && entry.best_move == Some(*m) {
[INFO] [stdout] 554 | |                             m.score += 20000;
[INFO] [stdout] 555 | |                         }
[INFO] [stdout] 556 | |                     }
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout]     = note: `#[warn(clippy::collapsible_if)]` on by default
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]     |
[INFO] [stdout] 552 ~                     if entry.valid
[INFO] [stdout] 553 ~                         && entry.hash == self.hash && entry.best_move == Some(*m) {
[INFO] [stdout] 554 |                             m.score += 20000;
[INFO] [stdout] 555 ~                         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `char::is_digit` with literal radix of 10
[INFO] [stdout]    --> src/board.rs:912:35
[INFO] [stdout]     |
[INFO] [stdout] 912 |                         } else if c.is_digit(10) {
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^ help: try: `c.is_ascii_digit()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#is_digit_ascii_radix
[INFO] [stdout]     = note: `#[warn(clippy::is_digit_ascii_radix)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `&Box<T>`. Consider using just `&T`
[INFO] [stdout]    --> src/board.rs:526:24
[INFO] [stdout]     |
[INFO] [stdout] 526 |         ttable: Option<&Box<[TTEntry]>>,
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^ help: try: `&[TTEntry]`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#borrowed_box
[INFO] [stdout]     = note: `#[warn(clippy::borrowed_box)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of `.is_multiple_of()`
[INFO] [stdout]     --> src/board.rs:1041:12
[INFO] [stdout]      |
[INFO] [stdout] 1041 |         if (file % 2 == 0) ^ (rank % 2 == 0) {
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^ help: replace with: `file.is_multiple_of(2)`
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_is_multiple_of
[INFO] [stdout]      = note: `#[warn(clippy::manual_is_multiple_of)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of `.is_multiple_of()`
[INFO] [stdout]     --> src/board.rs:1041:30
[INFO] [stdout]      |
[INFO] [stdout] 1041 |         if (file % 2 == 0) ^ (rank % 2 == 0) {
[INFO] [stdout]      |                              ^^^^^^^^^^^^^^^ help: replace with: `rank.is_multiple_of(2)`
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_is_multiple_of
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]    --> src/board.rs:552:21
[INFO] [stdout]     |
[INFO] [stdout] 552 | /                     if entry.valid {
[INFO] [stdout] 553 | |                         if entry.hash == self.hash && entry.best_move == Some(*m) {
[INFO] [stdout] 554 | |                             m.score += 20000;
[INFO] [stdout] 555 | |                         }
[INFO] [stdout] 556 | |                     }
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout]     = note: `#[warn(clippy::collapsible_if)]` on by default
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]     |
[INFO] [stdout] 552 ~                     if entry.valid
[INFO] [stdout] 553 ~                         && entry.hash == self.hash && entry.best_move == Some(*m) {
[INFO] [stdout] 554 |                             m.score += 20000;
[INFO] [stdout] 555 ~                         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]     --> src/board.rs:1070:17
[INFO] [stdout]      |
[INFO] [stdout] 1070 | /                 if let Some((c, Pieces::King)) = self.pieces[Board::get_bit_position(rank, file)] {
[INFO] [stdout] 1071 | |                     if self.is_check(c) {
[INFO] [stdout] 1072 | |                         highlight = "\x1b[48;2;180;30;30m";
[INFO] [stdout] 1073 | |                     }
[INFO] [stdout] 1074 | |                 }
[INFO] [stdout]      | |_________________^
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]      |
[INFO] [stdout] 1070 ~                 if let Some((c, Pieces::King)) = self.pieces[Board::get_bit_position(rank, file)]
[INFO] [stdout] 1071 ~                     && self.is_check(c) {
[INFO] [stdout] 1072 |                         highlight = "\x1b[48;2;180;30;30m";
[INFO] [stdout] 1073 ~                     }
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]     --> src/board.rs:1197:9
[INFO] [stdout]      |
[INFO] [stdout] 1197 | /         if validate {
[INFO] [stdout] 1198 | |             if !self.get_legal_moves(m.piece.0, None, false).contains(&m) {
[INFO] [stdout] 1199 | |                 return Err("Invalid move".to_string());
[INFO] [stdout] 1200 | |             };
[INFO] [stdout] 1201 | |         }
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]      |
[INFO] [stdout] 1197 ~         if validate
[INFO] [stdout] 1198 ~             && !self.get_legal_moves(m.piece.0, None, false).contains(&m) {
[INFO] [stdout] 1199 |                 return Err("Invalid move".to_string());
[INFO] [stdout] 1200 ~             };
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `char::is_digit` with literal radix of 10
[INFO] [stdout]    --> src/board.rs:912:35
[INFO] [stdout]     |
[INFO] [stdout] 912 |                         } else if c.is_digit(10) {
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^ help: try: `c.is_ascii_digit()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#is_digit_ascii_radix
[INFO] [stdout]     = note: `#[warn(clippy::is_digit_ascii_radix)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of `.is_multiple_of()`
[INFO] [stdout]     --> src/board.rs:1041:12
[INFO] [stdout]      |
[INFO] [stdout] 1041 |         if (file % 2 == 0) ^ (rank % 2 == 0) {
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^ help: replace with: `file.is_multiple_of(2)`
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_is_multiple_of
[INFO] [stdout]      = note: `#[warn(clippy::manual_is_multiple_of)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of `.is_multiple_of()`
[INFO] [stdout]     --> src/board.rs:1041:30
[INFO] [stdout]      |
[INFO] [stdout] 1041 |         if (file % 2 == 0) ^ (rank % 2 == 0) {
[INFO] [stdout]      |                              ^^^^^^^^^^^^^^^ help: replace with: `rank.is_multiple_of(2)`
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_is_multiple_of
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]     --> src/board.rs:1070:17
[INFO] [stdout]      |
[INFO] [stdout] 1070 | /                 if let Some((c, Pieces::King)) = self.pieces[Board::get_bit_position(rank, file)] {
[INFO] [stdout] 1071 | |                     if self.is_check(c) {
[INFO] [stdout] 1072 | |                         highlight = "\x1b[48;2;180;30;30m";
[INFO] [stdout] 1073 | |                     }
[INFO] [stdout] 1074 | |                 }
[INFO] [stdout]      | |_________________^
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]      |
[INFO] [stdout] 1070 ~                 if let Some((c, Pieces::King)) = self.pieces[Board::get_bit_position(rank, file)]
[INFO] [stdout] 1071 ~                     && self.is_check(c) {
[INFO] [stdout] 1072 |                         highlight = "\x1b[48;2;180;30;30m";
[INFO] [stdout] 1073 ~                     }
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]     --> src/board.rs:1588:9
[INFO] [stdout]      |
[INFO] [stdout] 1588 | /         if !self.turn == Colour::Black {
[INFO] [stdout] 1589 | |             if self.full_moves > 0 {
[INFO] [stdout] 1590 | |                 self.full_moves -= 1
[INFO] [stdout] 1591 | |             };
[INFO] [stdout] 1592 | |         }
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]      |
[INFO] [stdout] 1588 ~         if !self.turn == Colour::Black
[INFO] [stdout] 1589 ~             && self.full_moves > 0 {
[INFO] [stdout] 1590 |                 self.full_moves -= 1
[INFO] [stdout] 1591 ~             };
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]     --> src/board.rs:1613:13
[INFO] [stdout]      |
[INFO] [stdout] 1613 |             return State::Checkmate(Colour::White);
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]      = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]      |
[INFO] [stdout] 1613 -             return State::Checkmate(Colour::White);
[INFO] [stdout] 1613 +             State::Checkmate(Colour::White)
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]     --> src/board.rs:1615:13
[INFO] [stdout]      |
[INFO] [stdout] 1615 |             return State::Checkmate(Colour::Black);
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]      |
[INFO] [stdout] 1615 -             return State::Checkmate(Colour::Black);
[INFO] [stdout] 1615 +             State::Checkmate(Colour::Black)
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]     --> src/board.rs:1617:13
[INFO] [stdout]      |
[INFO] [stdout] 1617 |             return State::Stalemate;
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]      |
[INFO] [stdout] 1617 -             return State::Stalemate;
[INFO] [stdout] 1617 +             State::Stalemate
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]     --> src/board.rs:1607:9
[INFO] [stdout]      |
[INFO] [stdout] 1607 | /         if validate_no_moves {
[INFO] [stdout] 1608 | |             if self.get_legal_moves(self.turn, None, false).len() != 0 {
[INFO] [stdout] 1609 | |                 return State::Continue;
[INFO] [stdout] 1610 | |             }
[INFO] [stdout] 1611 | |         }
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]      |
[INFO] [stdout] 1607 ~         if validate_no_moves
[INFO] [stdout] 1608 ~             && self.get_legal_moves(self.turn, None, false).len() != 0 {
[INFO] [stdout] 1609 |                 return State::Continue;
[INFO] [stdout] 1610 ~             }
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]     --> src/board.rs:1608:16
[INFO] [stdout]      |
[INFO] [stdout] 1608 |             if self.get_legal_moves(self.turn, None, false).len() != 0 {
[INFO] [stdout]      |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!self.get_legal_moves(self.turn, None, false).is_empty()`
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout]      = note: `#[warn(clippy::len_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]     --> src/board.rs:1197:9
[INFO] [stdout]      |
[INFO] [stdout] 1197 | /         if validate {
[INFO] [stdout] 1198 | |             if !self.get_legal_moves(m.piece.0, None, false).contains(&m) {
[INFO] [stdout] 1199 | |                 return Err("Invalid move".to_string());
[INFO] [stdout] 1200 | |             };
[INFO] [stdout] 1201 | |         }
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]      |
[INFO] [stdout] 1197 ~         if validate
[INFO] [stdout] 1198 ~             && !self.get_legal_moves(m.piece.0, None, false).contains(&m) {
[INFO] [stdout] 1199 |                 return Err("Invalid move".to_string());
[INFO] [stdout] 1200 ~             };
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: importing legacy numeric constants
[INFO] [stdout]  --> src/engine.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{i32, time::Duration};
[INFO] [stdout]   |           ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: remove this import
[INFO] [stdout]   = note: then `i32::<CONST>` will resolve to the respective associated constant
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#legacy_numeric_constants
[INFO] [stdout]   = note: `#[warn(clippy::legacy_numeric_constants)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/engine.rs:143:16
[INFO] [stdout]     |
[INFO] [stdout] 143 | ...   if !best_move.is_none() { println!("info depth {} score {} nodes {} nps {} time {} pv {}", max_depth, format!("{} {}", s, e),...
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^ help: try: `best_move.is_some()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]     = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `unwrap` on `best_move` after checking its variant with `is_none`
[INFO] [stdout]    --> src/engine.rs:143:285
[INFO] [stdout]     |
[INFO] [stdout] 143 | ...f !best_move.is_none() { println!("info depth {} score {} nodes {} nps {} time {} pv {}", max_depth, format!("{} {}", s, e), nodes_checked, (nodes_checked as f64 / duration.as_secs_f64()).round() as u64, duration.as_millis(), format!("{}{}", Board::bit_to_algebraic(1 << best_move.unwrap().fr...
[INFO] [stdout]     |       ------------------- the check is happening here                                                                                                                                                                                                                             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: try using `if let` or `match`
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_unwrap
[INFO] [stdout]     = note: `#[warn(clippy::unnecessary_unwrap)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `unwrap` on `best_move` after checking its variant with `is_none`
[INFO] [stdout]    --> src/engine.rs:143:340
[INFO] [stdout]     |
[INFO] [stdout] 143 | ...f !best_move.is_none() { println!("info depth {} score {} nodes {} nps {} time {} pv {}", max_depth, format!("{} {}", s, e), nodes_checked, (nodes_checked as f64 / duration.as_secs_f64()).round() as u64, duration.as_millis(), format!("{}{}", Board::bit_to_algebraic(1 << best_move.unwrap().from), Board::bit_to_algebraic(1 << best_move.unwrap().to...
[INFO] [stdout]     |       ------------------- the check is happening here                                                                                                                                                                                                                                                                                    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: try using `if let` or `match`
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_unwrap
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]   --> src/engine.rs:68:13
[INFO] [stdout]    |
[INFO] [stdout] 68 | /             if let Some(prev) = best_move {
[INFO] [stdout] 69 | |                 if let Some(pos) = moves.iter().position(|&m| m == prev) {
[INFO] [stdout] 70 | |                     let swap = moves.remove(pos);
[INFO] [stdout] 71 | |                     moves.insert(0, swap);
[INFO] [stdout] 72 | |                 }
[INFO] [stdout] 73 | |             }
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]    |
[INFO] [stdout] 68 ~             if let Some(prev) = best_move
[INFO] [stdout] 69 ~                 && let Some(pos) = moves.iter().position(|&m| m == prev) {
[INFO] [stdout] 70 |                     let swap = moves.remove(pos);
[INFO] [stdout] 71 |                     moves.insert(0, swap);
[INFO] [stdout] 72 ~                 }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]   --> src/engine.rs:92:21
[INFO] [stdout]    |
[INFO] [stdout] 92 | /                     if let Some(dl) = deadline {
[INFO] [stdout] 93 | |                         if Instant::now() >= dl {
[INFO] [stdout] 94 | |                             break 'm;
[INFO] [stdout] 95 | |                         }
[INFO] [stdout] 96 | |                     }
[INFO] [stdout]    | |_____________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]    |
[INFO] [stdout] 92 ~                     if let Some(dl) = deadline
[INFO] [stdout] 93 ~                         && Instant::now() >= dl {
[INFO] [stdout] 94 |                             break 'm;
[INFO] [stdout] 95 ~                         }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]    --> src/engine.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 | /             if let Some(dl) = deadline {
[INFO] [stdout] 114 | |                 if Instant::now() >= dl {
[INFO] [stdout] 115 | |                     break;
[INFO] [stdout] 116 | |                 }
[INFO] [stdout] 117 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]     |
[INFO] [stdout] 113 ~             if let Some(dl) = deadline
[INFO] [stdout] 114 ~                 && Instant::now() >= dl {
[INFO] [stdout] 115 |                     break;
[INFO] [stdout] 116 ~                 }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `format!` in `println!` args
[INFO] [stdout]    --> src/engine.rs:143:39
[INFO] [stdout]     |
[INFO] [stdout] 143 | ... { println!("info depth {} score {} nodes {} nps {} time {} pv {}", max_d...ove.unwrap().to))) };
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^...^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: combine the `format!(..)` arguments with the outer `println!(..)` call
[INFO] [stdout]     = help: or consider changing `format!` to `format_args!`
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#format_in_format_args
[INFO] [stdout]     = note: `#[warn(clippy::format_in_format_args)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]     --> src/board.rs:1588:9
[INFO] [stdout]      |
[INFO] [stdout] 1588 | /         if !self.turn == Colour::Black {
[INFO] [stdout] 1589 | |             if self.full_moves > 0 {
[INFO] [stdout] 1590 | |                 self.full_moves -= 1
[INFO] [stdout] 1591 | |             };
[INFO] [stdout] 1592 | |         }
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]      |
[INFO] [stdout] 1588 ~         if !self.turn == Colour::Black
[INFO] [stdout] 1589 ~             && self.full_moves > 0 {
[INFO] [stdout] 1590 |                 self.full_moves -= 1
[INFO] [stdout] 1591 ~             };
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]     --> src/board.rs:1613:13
[INFO] [stdout]      |
[INFO] [stdout] 1613 |             return State::Checkmate(Colour::White);
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]      = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]      |
[INFO] [stdout] 1613 -             return State::Checkmate(Colour::White);
[INFO] [stdout] 1613 +             State::Checkmate(Colour::White)
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]     --> src/board.rs:1615:13
[INFO] [stdout]      |
[INFO] [stdout] 1615 |             return State::Checkmate(Colour::Black);
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]      |
[INFO] [stdout] 1615 -             return State::Checkmate(Colour::Black);
[INFO] [stdout] 1615 +             State::Checkmate(Colour::Black)
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]     --> src/board.rs:1617:13
[INFO] [stdout]      |
[INFO] [stdout] 1617 |             return State::Stalemate;
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]      |
[INFO] [stdout] 1617 -             return State::Stalemate;
[INFO] [stdout] 1617 +             State::Stalemate
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]     --> src/board.rs:1607:9
[INFO] [stdout]      |
[INFO] [stdout] 1607 | /         if validate_no_moves {
[INFO] [stdout] 1608 | |             if self.get_legal_moves(self.turn, None, false).len() != 0 {
[INFO] [stdout] 1609 | |                 return State::Continue;
[INFO] [stdout] 1610 | |             }
[INFO] [stdout] 1611 | |         }
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]      |
[INFO] [stdout] 1607 ~         if validate_no_moves
[INFO] [stdout] 1608 ~             && self.get_legal_moves(self.turn, None, false).len() != 0 {
[INFO] [stdout] 1609 |                 return State::Continue;
[INFO] [stdout] 1610 ~             }
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]     --> src/board.rs:1608:16
[INFO] [stdout]      |
[INFO] [stdout] 1608 |             if self.get_legal_moves(self.turn, None, false).len() != 0 {
[INFO] [stdout]      |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!self.get_legal_moves(self.turn, None, false).is_empty()`
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout]      = note: `#[warn(clippy::len_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `colour` is only used to index `bb`
[INFO] [stdout]    --> src/engine.rs:235:23
[INFO] [stdout]     |
[INFO] [stdout] 235 |         for colour in 0..=1 {
[INFO] [stdout]     |                       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]     |
[INFO] [stdout] 235 -         for colour in 0..=1 {
[INFO] [stdout] 235 +         for <item> in &bb {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this function has too many arguments (10/7)
[INFO] [stdout]    --> src/engine.rs:253:5
[INFO] [stdout]     |
[INFO] [stdout] 253 | /     fn negamax(
[INFO] [stdout] 254 | |         &mut self,
[INFO] [stdout] 255 | |         board: &mut Board,
[INFO] [stdout] 256 | |         depth: u32,
[INFO] [stdout] ...   |
[INFO] [stdout] 263 | |         ply: i32
[INFO] [stdout] 264 | |     ) -> i32 {
[INFO] [stdout]     | |____________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#too_many_arguments
[INFO] [stdout]     = note: `#[warn(clippy::too_many_arguments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]    --> src/engine.rs:289:12
[INFO] [stdout]     |
[INFO] [stdout] 289 |         if moves.len() == 0 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `moves.is_empty()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]    --> src/engine.rs:291:44
[INFO] [stdout]     |
[INFO] [stdout] 291 |             return Engine::evaluate(board, moves.len() == 0, false, ply);
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `moves.is_empty()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is only used to index `moves`
[INFO] [stdout]    --> src/engine.rs:310:18
[INFO] [stdout]     |
[INFO] [stdout] 310 |         for i in 0..moves.len() {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]     |
[INFO] [stdout] 310 -         for i in 0..moves.len() {
[INFO] [stdout] 310 +         for <item> in &moves {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: importing legacy numeric constants
[INFO] [stdout]  --> src/engine.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{i32, time::Duration};
[INFO] [stdout]   |           ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: remove this import
[INFO] [stdout]   = note: then `i32::<CONST>` will resolve to the respective associated constant
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#legacy_numeric_constants
[INFO] [stdout]   = note: `#[warn(clippy::legacy_numeric_constants)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/engine.rs:143:16
[INFO] [stdout]     |
[INFO] [stdout] 143 | ...   if !best_move.is_none() { println!("info depth {} score {} nodes {} nps {} time {} pv {}", max_depth, format!("{} {}", s, e),...
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^ help: try: `best_move.is_some()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]     = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `unwrap` on `best_move` after checking its variant with `is_none`
[INFO] [stdout]    --> src/engine.rs:143:285
[INFO] [stdout]     |
[INFO] [stdout] 143 | ...f !best_move.is_none() { println!("info depth {} score {} nodes {} nps {} time {} pv {}", max_depth, format!("{} {}", s, e), nodes_checked, (nodes_checked as f64 / duration.as_secs_f64()).round() as u64, duration.as_millis(), format!("{}{}", Board::bit_to_algebraic(1 << best_move.unwrap().fr...
[INFO] [stdout]     |       ------------------- the check is happening here                                                                                                                                                                                                                             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: try using `if let` or `match`
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_unwrap
[INFO] [stdout]     = note: `#[warn(clippy::unnecessary_unwrap)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `unwrap` on `best_move` after checking its variant with `is_none`
[INFO] [stdout]    --> src/engine.rs:143:340
[INFO] [stdout]     |
[INFO] [stdout] 143 | ...f !best_move.is_none() { println!("info depth {} score {} nodes {} nps {} time {} pv {}", max_depth, format!("{} {}", s, e), nodes_checked, (nodes_checked as f64 / duration.as_secs_f64()).round() as u64, duration.as_millis(), format!("{}{}", Board::bit_to_algebraic(1 << best_move.unwrap().from), Board::bit_to_algebraic(1 << best_move.unwrap().to...
[INFO] [stdout]     |       ------------------- the check is happening here                                                                                                                                                                                                                                                                                    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: try using `if let` or `match`
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_unwrap
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]    --> src/engine.rs:358:13
[INFO] [stdout]     |
[INFO] [stdout] 358 | /             if let Some(dl) = deadline {
[INFO] [stdout] 359 | |                 if Instant::now() >= dl {
[INFO] [stdout] 360 | |                     return if best_score == MIN {
[INFO] [stdout] 361 | |                         alpha
[INFO] [stdout] ...   |
[INFO] [stdout] 366 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]     |
[INFO] [stdout] 358 ~             if let Some(dl) = deadline
[INFO] [stdout] 359 ~                 && Instant::now() >= dl {
[INFO] [stdout] 360 |                     return if best_score == MIN {
[INFO] [stdout] ...
[INFO] [stdout] 364 |                     }
[INFO] [stdout] 365 ~                 }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]   --> src/engine.rs:68:13
[INFO] [stdout]    |
[INFO] [stdout] 68 | /             if let Some(prev) = best_move {
[INFO] [stdout] 69 | |                 if let Some(pos) = moves.iter().position(|&m| m == prev) {
[INFO] [stdout] 70 | |                     let swap = moves.remove(pos);
[INFO] [stdout] 71 | |                     moves.insert(0, swap);
[INFO] [stdout] 72 | |                 }
[INFO] [stdout] 73 | |             }
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]    |
[INFO] [stdout] 68 ~             if let Some(prev) = best_move
[INFO] [stdout] 69 ~                 && let Some(pos) = moves.iter().position(|&m| m == prev) {
[INFO] [stdout] 70 |                     let swap = moves.remove(pos);
[INFO] [stdout] 71 |                     moves.insert(0, swap);
[INFO] [stdout] 72 ~                 }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]   --> src/engine.rs:92:21
[INFO] [stdout]    |
[INFO] [stdout] 92 | /                     if let Some(dl) = deadline {
[INFO] [stdout] 93 | |                         if Instant::now() >= dl {
[INFO] [stdout] 94 | |                             break 'm;
[INFO] [stdout] 95 | |                         }
[INFO] [stdout] 96 | |                     }
[INFO] [stdout]    | |_____________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]    |
[INFO] [stdout] 92 ~                     if let Some(dl) = deadline
[INFO] [stdout] 93 ~                         && Instant::now() >= dl {
[INFO] [stdout] 94 |                             break 'm;
[INFO] [stdout] 95 ~                         }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]    --> src/engine.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 | /             if let Some(dl) = deadline {
[INFO] [stdout] 114 | |                 if Instant::now() >= dl {
[INFO] [stdout] 115 | |                     break;
[INFO] [stdout] 116 | |                 }
[INFO] [stdout] 117 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]     |
[INFO] [stdout] 113 ~             if let Some(dl) = deadline
[INFO] [stdout] 114 ~                 && Instant::now() >= dl {
[INFO] [stdout] 115 |                     break;
[INFO] [stdout] 116 ~                 }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `format!` in `println!` args
[INFO] [stdout]    --> src/engine.rs:143:39
[INFO] [stdout]     |
[INFO] [stdout] 143 | ... { println!("info depth {} score {} nodes {} nps {} time {} pv {}", max_d...ove.unwrap().to))) };
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^...^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: combine the `format!(..)` arguments with the outer `println!(..)` call
[INFO] [stdout]     = help: or consider changing `format!` to `format_args!`
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#format_in_format_args
[INFO] [stdout]     = note: `#[warn(clippy::format_in_format_args)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `c` is only used to index `pieces`
[INFO] [stdout]    --> src/engine.rs:486:18
[INFO] [stdout]     |
[INFO] [stdout] 486 |         for c in 0..=1 {
[INFO] [stdout]     |                  ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]     |
[INFO] [stdout] 486 -         for c in 0..=1 {
[INFO] [stdout] 486 +         for <item> in &mut pieces {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `piece` is only used to index `pieces`
[INFO] [stdout]    --> src/engine.rs:487:26
[INFO] [stdout]     |
[INFO] [stdout] 487 |             for piece in 0..=5 {
[INFO] [stdout]     |                          ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]     |
[INFO] [stdout] 487 -             for piece in 0..=5 {
[INFO] [stdout] 487 +             for <item> in &mut pieces {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `sq` is only used to index `pieces`
[INFO] [stdout]    --> src/engine.rs:488:27
[INFO] [stdout]     |
[INFO] [stdout] 488 |                 for sq in 0..=63 {
[INFO] [stdout]     |                           ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]     |
[INFO] [stdout] 488 -                 for sq in 0..=63 {
[INFO] [stdout] 488 +                 for <item> in &mut pieces {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `colour` is only used to index `bb`
[INFO] [stdout]    --> src/engine.rs:235:23
[INFO] [stdout]     |
[INFO] [stdout] 235 |         for colour in 0..=1 {
[INFO] [stdout]     |                       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]     |
[INFO] [stdout] 235 -         for colour in 0..=1 {
[INFO] [stdout] 235 +         for <item> in &bb {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this function has too many arguments (10/7)
[INFO] [stdout]    --> src/engine.rs:253:5
[INFO] [stdout]     |
[INFO] [stdout] 253 | /     fn negamax(
[INFO] [stdout] 254 | |         &mut self,
[INFO] [stdout] 255 | |         board: &mut Board,
[INFO] [stdout] 256 | |         depth: u32,
[INFO] [stdout] ...   |
[INFO] [stdout] 263 | |         ply: i32
[INFO] [stdout] 264 | |     ) -> i32 {
[INFO] [stdout]     | |____________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#too_many_arguments
[INFO] [stdout]     = note: `#[warn(clippy::too_many_arguments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]    --> src/engine.rs:289:12
[INFO] [stdout]     |
[INFO] [stdout] 289 |         if moves.len() == 0 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `moves.is_empty()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]    --> src/engine.rs:291:44
[INFO] [stdout]     |
[INFO] [stdout] 291 |             return Engine::evaluate(board, moves.len() == 0, false, ply);
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `moves.is_empty()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is only used to index `moves`
[INFO] [stdout]    --> src/engine.rs:310:18
[INFO] [stdout]     |
[INFO] [stdout] 310 |         for i in 0..moves.len() {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]     |
[INFO] [stdout] 310 -         for i in 0..moves.len() {
[INFO] [stdout] 310 +         for <item> in &moves {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]    --> src/engine.rs:358:13
[INFO] [stdout]     |
[INFO] [stdout] 358 | /             if let Some(dl) = deadline {
[INFO] [stdout] 359 | |                 if Instant::now() >= dl {
[INFO] [stdout] 360 | |                     return if best_score == MIN {
[INFO] [stdout] 361 | |                         alpha
[INFO] [stdout] ...   |
[INFO] [stdout] 366 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]     |
[INFO] [stdout] 358 ~             if let Some(dl) = deadline
[INFO] [stdout] 359 ~                 && Instant::now() >= dl {
[INFO] [stdout] 360 |                     return if best_score == MIN {
[INFO] [stdout] ...
[INFO] [stdout] 364 |                     }
[INFO] [stdout] 365 ~                 }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `c` is only used to index `pieces`
[INFO] [stdout]    --> src/engine.rs:486:18
[INFO] [stdout]     |
[INFO] [stdout] 486 |         for c in 0..=1 {
[INFO] [stdout]     |                  ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]     |
[INFO] [stdout] 486 -         for c in 0..=1 {
[INFO] [stdout] 486 +         for <item> in &mut pieces {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `piece` is only used to index `pieces`
[INFO] [stdout]    --> src/engine.rs:487:26
[INFO] [stdout]     |
[INFO] [stdout] 487 |             for piece in 0..=5 {
[INFO] [stdout]     |                          ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]     |
[INFO] [stdout] 487 -             for piece in 0..=5 {
[INFO] [stdout] 487 +             for <item> in &mut pieces {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `sq` is only used to index `pieces`
[INFO] [stdout]    --> src/engine.rs:488:27
[INFO] [stdout]     |
[INFO] [stdout] 488 |                 for sq in 0..=63 {
[INFO] [stdout]     |                           ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]     |
[INFO] [stdout] 488 -                 for sq in 0..=63 {
[INFO] [stdout] 488 +                 for <item> in &mut pieces {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting integer literal to `i32` is unnecessary
[INFO] [stdout]    --> src/main.rs:208:92
[INFO] [stdout]     |
[INFO] [stdout] 208 | ...   println!("Score: {} | Endgame: {}", Engine::evaluate(&mut board, false, false, 0 as i32) * if board.turn == Colour::White { 1...
[INFO] [stdout]     |                                                                                      ^^^^^^^^ help: try: `0_i32`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout]     = note: `#[warn(clippy::unnecessary_cast)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `format!`
[INFO] [stdout]    --> src/main.rs:260:37
[INFO] [stdout]     |
[INFO] [stdout] 260 |                     error_message = format!("Game drawed");
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `"Game drawed".to_string()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stdout]     = note: `#[warn(clippy::useless_format)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting integer literal to `i32` is unnecessary
[INFO] [stdout]    --> src/main.rs:208:92
[INFO] [stdout]     |
[INFO] [stdout] 208 | ...   println!("Score: {} | Endgame: {}", Engine::evaluate(&mut board, false, false, 0 as i32) * if board.turn == Colour::White { 1...
[INFO] [stdout]     |                                                                                      ^^^^^^^^ help: try: `0_i32`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout]     = note: `#[warn(clippy::unnecessary_cast)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `format!`
[INFO] [stdout]    --> src/main.rs:260:37
[INFO] [stdout]     |
[INFO] [stdout] 260 |                     error_message = format!("Game drawed");
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `"Game drawed".to_string()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stdout]     = note: `#[warn(clippy::useless_format)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.96s
[INFO] running `Command { std: "docker" "inspect" "24b56196be5de7ca71270d72db6cde59342f6d6fa88d26ba6860a73bd14ce01d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24b56196be5de7ca71270d72db6cde59342f6d6fa88d26ba6860a73bd14ce01d", kill_on_drop: false }`
[INFO] [stdout] 24b56196be5de7ca71270d72db6cde59342f6d6fa88d26ba6860a73bd14ce01d