[INFO] cloning repository https://github.com/codeandkey/nc-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/codeandkey/nc-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodeandkey%2Fnc-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodeandkey%2Fnc-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4a7766f3a7b1dad1cbcd3dcaaa55609d86fa5e02
[INFO] linting codeandkey/nc-rs against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodeandkey%2Fnc-rs" "/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/codeandkey/nc-rs
[INFO] finished tweaking git repo https://github.com/codeandkey/nc-rs
[INFO] tweaked toml for git repo https://github.com/codeandkey/nc-rs written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/codeandkey/nc-rs 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/codeandkey/nc-rs 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] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arr_macro v0.1.3
[INFO] [stderr]   Downloaded pretty_env_logger v0.4.0
[INFO] [stderr]   Downloaded arr_macro_impl v0.1.3
[INFO] [stderr]   Downloaded hermit-abi v0.1.17
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[INFO] [stderr]   Downloaded syn v1.0.48
[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] d0eaf97412ddf234527d380f6ec41cacf92187b89abad17d08bfbb6dab1f7c4a
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[INFO] running `Command { std: "docker" "inspect" "d0eaf97412ddf234527d380f6ec41cacf92187b89abad17d08bfbb6dab1f7c4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0eaf97412ddf234527d380f6ec41cacf92187b89abad17d08bfbb6dab1f7c4a", kill_on_drop: false }`
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[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling memchr v2.3.3
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[INFO] [stderr]    Compiling syn v1.0.48
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[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking regex-syntax v0.6.20
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[INFO] [stderr]     Checking termcolor v1.1.0
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[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.5.1
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[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex v1.4.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling arr_macro_impl v0.1.3
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[INFO] [stderr]     Checking nc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/piece.rs:105:13
[INFO] [stdout]     |
[INFO] [stdout] 105 |             color: color,
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: replace it with: `color`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout]     = note: `#[warn(clippy::redundant_field_names)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::zobrist::*`
[INFO] [stdout]  --> src/position.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::zobrist::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/position.rs:192:13
[INFO] [stdout]     |
[INFO] [stdout] 192 |             b: b,
[INFO] [stdout]     |             ^^^^ help: replace it with: `b`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/position.rs:193:13
[INFO] [stdout]     |
[INFO] [stdout] 193 |             ctm: ctm,
[INFO] [stdout]     |             ^^^^^^^^ help: replace it with: `ctm`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/position.rs:184:17
[INFO] [stdout]     |
[INFO] [stdout] 184 |                 ep_target: ep_target,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `ep_target`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/position.rs:187:17
[INFO] [stdout]     |
[INFO] [stdout] 187 |                 fm_number: fm_number,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `fm_number`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/position.rs:188:17
[INFO] [stdout]     |
[INFO] [stdout] 188 |                 hm_clock: hm_clock,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^ help: replace it with: `hm_clock`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/piece.rs:105:13
[INFO] [stdout]     |
[INFO] [stdout] 105 |             color: color,
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: replace it with: `color`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout]     = note: `#[warn(clippy::redundant_field_names)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::zobrist::*`
[INFO] [stdout]  --> src/position.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::zobrist::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/position.rs:192:13
[INFO] [stdout]     |
[INFO] [stdout] 192 |             b: b,
[INFO] [stdout]     |             ^^^^ help: replace it with: `b`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/position.rs:193:13
[INFO] [stdout]     |
[INFO] [stdout] 193 |             ctm: ctm,
[INFO] [stdout]     |             ^^^^^^^^ help: replace it with: `ctm`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/position.rs:184:17
[INFO] [stdout]     |
[INFO] [stdout] 184 |                 ep_target: ep_target,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `ep_target`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/position.rs:187:17
[INFO] [stdout]     |
[INFO] [stdout] 187 |                 fm_number: fm_number,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `fm_number`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/position.rs:188:17
[INFO] [stdout]     |
[INFO] [stdout] 188 |                 hm_clock: hm_clock,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^ help: replace it with: `hm_clock`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `remove`, `key`, `get_ad`, and `to_fen_string` are never used
[INFO] [stdout]    --> src/board.rs:63:12
[INFO] [stdout]     |
[INFO] [stdout]  17 | impl Board {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  63 |     pub fn remove(&mut self, s: Square) -> Piece {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 |     pub fn key(&self) -> u64 {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 154 |     pub fn get_ad(&self) -> [[u64; 64]; 2] {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 158 |     pub fn to_fen_string(&self) -> String {
[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 `to_uci_withnull`, `from_uci`, `src`, `dst`, and `ptype` are never used
[INFO] [stdout]   --> src/gmove.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Move {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn to_uci_withnull(inp: &Option<Move>) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn from_uci(inp: &String) -> Option<Move> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |     pub fn src(&self) -> Square {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 75 |     pub fn dst(&self) -> Square {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |     pub fn ptype(&self) -> Option<Type> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_fen` is never used
[INFO] [stdout]   --> src/piece.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 45 | impl Color {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub fn to_fen(&self) -> char {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `from` and `to_fen` are never used
[INFO] [stdout]   --> src/piece.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 75 | impl Piece {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 76 |     pub fn from(t: Type, c: Color) -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 80 |     pub fn to_fen(&self) -> char {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `to_fen`, `make_move`, `unmake_move`, and `perft` are never used
[INFO] [stdout]    --> src/position.rs:197:12
[INFO] [stdout]     |
[INFO] [stdout]  78 | impl Position {
[INFO] [stdout]     | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 197 |     pub fn to_fen(&self) -> String {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 236 |     pub fn make_move(&mut self, m: Move) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 362 |     pub fn unmake_move(&mut self, m: Move) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 625 |     pub fn perft(&mut self, d: usize, p: usize) -> usize {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CASTLE_ATT_MASKS` is never used
[INFO] [stdout]   --> src/position.rs:54:15
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub const CASTLE_ATT_MASKS: [[u64; 2]; 2] = [
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `EAST` and `WEST` are never constructed
[INFO] [stdout]  --> src/square.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum Direction {
[INFO] [stdout]   |          --------- variants in this enum
[INFO] [stdout] 2 |     EAST = 1,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 3 |     WEST = -1,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `to_str_withnull`, `rank`, and `file` are never used
[INFO] [stdout]   --> src/square.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Square {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 71 |     pub fn to_str_withnull(inp: &Option<Square>) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 82 |     pub fn rank(&self) -> usize {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 |     pub fn file(&self) -> usize {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gen_ep_keys` is never used
[INFO] [stdout]  --> src/zobrist.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn gen_ep_keys() -> [u64; 8] {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gen_castle_keys` is never used
[INFO] [stdout]  --> src/zobrist.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn gen_castle_keys() -> [[u64; 2]; 2] {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `sq` is used to index `output`
[INFO] [stdout]    --> src/attacks.rs:573:15
[INFO] [stdout]     |
[INFO] [stdout] 573 |     for sq in 0..64 {
[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] 573 -     for sq in 0..64 {
[INFO] [stdout] 573 +     for (sq, <item>) in output.iter_mut().enumerate() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `sq` is used to index `output`
[INFO] [stdout]    --> src/attacks.rs:633:15
[INFO] [stdout]     |
[INFO] [stdout] 633 |     for sq in 0..64 {
[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 and enumerate()
[INFO] [stdout]     |
[INFO] [stdout] 633 -     for sq in 0..64 {
[INFO] [stdout] 633 +     for (sq, <item>) in output.iter_mut().enumerate() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/attacks.rs:728:5
[INFO] [stdout]     |
[INFO] [stdout] 728 |     return output;
[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] 728 -     return output;
[INFO] [stdout] 728 +     output
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`u32` -> `u32`)
[INFO] [stdout]    --> src/attacks.rs:711:12
[INFO] [stdout]     |
[INFO] [stdout] 711 |         if (index >> i) as u32 & 1 != 0 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^ help: try: `(index >> i)`
[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: this boolean expression can be simplified
[INFO] [stdout]   --> src/board.rs:30:17
[INFO] [stdout]    |
[INFO] [stdout] 30 |         assert!(!self.state[s.index()].is_some());
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `self.state[s.index()].is_none()`
[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: methods with the following characteristics: (`to_*` and `self` type is `Copy`) usually take `self` by value
[INFO] [stdout]   --> src/gmove.rs:20:19
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn to_uci(&self) -> String {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider choosing a less ambiguous name
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stdout]    = note: `#[warn(clippy::wrong_self_convention)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `unwrap` on `self.m_ptype` after checking its variant with `is_some`
[INFO] [stdout]   --> src/gmove.rs:25:22
[INFO] [stdout]    |
[INFO] [stdout] 24 |         if self.m_ptype.is_some() {
[INFO] [stdout]    |         ------------------------- help: try: `if let Some(<item>) = self.m_ptype`
[INFO] [stdout] 25 |             out.push(self.m_ptype.unwrap().to_fen());
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[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: this block may be rewritten with the `?` operator
[INFO] [stdout]   --> src/gmove.rs:59:13
[INFO] [stdout]    |
[INFO] [stdout] 59 | /             if ptype.is_none() {
[INFO] [stdout] 60 | |                 return None;
[INFO] [stdout] 61 | |             }
[INFO] [stdout]    | |_____________^ help: replace it with: `ptype?;`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#question_mark
[INFO] [stdout]    = note: `#[warn(clippy::question_mark)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `Option<Type>` which implements the `Copy` trait
[INFO] [stdout]   --> src/gmove.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |         self.m_ptype.clone()
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.m_ptype`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout]    = note: `#[warn(clippy::clone_on_copy)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `PAWN` contains a capitalized acronym
[INFO] [stdout]  --> src/piece.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     PAWN = 0,
[INFO] [stdout]   |     ^^^^ help: consider making the acronym lowercase, except the initial letter: `Pawn`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout]   = note: `#[warn(clippy::upper_case_acronyms)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `BISHOP` contains a capitalized acronym
[INFO] [stdout]  --> src/piece.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     BISHOP = 1,
[INFO] [stdout]   |     ^^^^^^ help: consider making the acronym lowercase, except the initial letter: `Bishop`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `KNIGHT` contains a capitalized acronym
[INFO] [stdout]  --> src/piece.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     KNIGHT = 2,
[INFO] [stdout]   |     ^^^^^^ help: consider making the acronym lowercase, except the initial letter: `Knight`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `ROOK` contains a capitalized acronym
[INFO] [stdout]  --> src/piece.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     ROOK = 3,
[INFO] [stdout]   |     ^^^^ help: consider making the acronym lowercase, except the initial letter (notice the capitalization): `Rook`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `QUEEN` contains a capitalized acronym
[INFO] [stdout]  --> src/piece.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     QUEEN = 4,
[INFO] [stdout]   |     ^^^^^ help: consider making the acronym lowercase, except the initial letter: `Queen`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `KING` contains a capitalized acronym
[INFO] [stdout]   --> src/piece.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     KING = 5,
[INFO] [stdout]    |     ^^^^ help: consider making the acronym lowercase, except the initial letter: `King`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods with the following characteristics: (`to_*` and `self` type is `Copy`) usually take `self` by value
[INFO] [stdout]   --> src/piece.rs:14:19
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn to_fen(&self) -> char {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider choosing a less ambiguous name
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `WHITE` contains a capitalized acronym
[INFO] [stdout]   --> src/piece.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     WHITE = 0,
[INFO] [stdout]    |     ^^^^^ help: consider making the acronym lowercase, except the initial letter: `White`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `BLACK` contains a capitalized acronym
[INFO] [stdout]   --> src/piece.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     BLACK = 1,
[INFO] [stdout]    |     ^^^^^ help: consider making the acronym lowercase, except the initial letter: `Black`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods with the following characteristics: (`to_*` and `self` type is `Copy`) usually take `self` by value
[INFO] [stdout]   --> src/piece.rs:53:19
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn to_fen(&self) -> char {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider choosing a less ambiguous name
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods with the following characteristics: (`to_*` and `self` type is `Copy`) usually take `self` by value
[INFO] [stdout]   --> src/piece.rs:80:19
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn to_fen(&self) -> char {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider choosing a less ambiguous name
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/piece.rs:84:13
[INFO] [stdout]    |
[INFO] [stdout] 84 |             return tc.to_uppercase().collect::<Vec<char>>()[0];
[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] 84 -             return tc.to_uppercase().collect::<Vec<char>>()[0];
[INFO] [stdout] 84 +             tc.to_uppercase().collect::<Vec<char>>()[0]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/piece.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |             return tc;
[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] 86 -             return tc;
[INFO] [stdout] 86 +             tc
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this block may be rewritten with the `?` operator
[INFO] [stdout]    --> src/piece.rs:99:9
[INFO] [stdout]     |
[INFO] [stdout]  99 | /         if ptype.is_none() {
[INFO] [stdout] 100 | |             return None;
[INFO] [stdout] 101 | |         }
[INFO] [stdout]     | |_________^ help: replace it with: `ptype?;`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#question_mark
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `Color` which implements the `Copy` trait
[INFO] [stdout]    --> src/piece.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |         self.color.clone()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.color`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `Type` which implements the `Copy` trait
[INFO] [stdout]    --> src/piece.rs:118:9
[INFO] [stdout]     |
[INFO] [stdout] 118 |         self.ptype.clone()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.ptype`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `QUEENSIDE` contains a capitalized acronym
[INFO] [stdout]   --> src/position.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     QUEENSIDE = 0,
[INFO] [stdout]    |     ^^^^^^^^^ help: consider making the acronym lowercase, except the initial letter: `Queenside`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `KINGSIDE` contains a capitalized acronym
[INFO] [stdout]   --> src/position.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     KINGSIDE = 1,
[INFO] [stdout]    |     ^^^^^^^^ help: consider making the acronym lowercase, except the initial letter: `Kingside`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `r` is used to index `ranks`
[INFO] [stdout]    --> src/position.rs:104:18
[INFO] [stdout]     |
[INFO] [stdout] 104 |         for r in 0..8 {
[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 and enumerate()
[INFO] [stdout]     |
[INFO] [stdout] 104 -         for r in 0..8 {
[INFO] [stdout] 104 +         for (r, <item>) in ranks.iter().enumerate().take(8) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `char::is_digit` with literal radix of 10
[INFO] [stdout]    --> src/position.rs:113:20
[INFO] [stdout]     |
[INFO] [stdout] 113 |                 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: casting to the same type is unnecessary (`usize` -> `usize`)
[INFO] [stdout]    --> src/position.rs:119:55
[INFO] [stdout]     |
[INFO] [stdout] 119 |                         Some(p) => b.place(Square::at((7 - r) as usize, f as usize), p),
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^^ help: try: `((7 - r))`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `unwrap` on `last_state.ep_target` after checking its variant with `is_some`
[INFO] [stdout]    --> src/position.rs:261:31
[INFO] [stdout]     |
[INFO] [stdout] 259 |         if last_state.ep_target.is_some() {
[INFO] [stdout]     |         --------------------------------- help: try: `if let Some(<item>) = last_state.ep_target`
[INFO] [stdout] 260 |             if self.b.piece_occ(Type::PAWN) & m.src().mask() != 0u64
[INFO] [stdout] 261 |                 && m.dst() == last_state.ep_target.unwrap()
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[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: called `unwrap` on `last_state.ep_target` after checking its variant with `is_some`
[INFO] [stdout]    --> src/position.rs:265:22
[INFO] [stdout]     |
[INFO] [stdout] 259 |         if last_state.ep_target.is_some() {
[INFO] [stdout]     |         --------------------------------- help: try: `if let Some(<item>) = last_state.ep_target`
[INFO] [stdout] ...
[INFO] [stdout] 265 |                     (last_state.ep_target.unwrap().index() as i32
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[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: using `clone` on type `Move` which implements the `Copy` trait
[INFO] [stdout]    --> src/position.rs:245:36
[INFO] [stdout]     |
[INFO] [stdout] 245 |         new_state.last_move = Some(m.clone());
[INFO] [stdout]     |                                    ^^^^^^^^^ help: try removing the `clone` call: `m`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]    --> src/position.rs:259:9
[INFO] [stdout]     |
[INFO] [stdout] 259 | /         if last_state.ep_target.is_some() {
[INFO] [stdout] 260 | |             if self.b.piece_occ(Type::PAWN) & m.src().mask() != 0u64
[INFO] [stdout] 261 | |                 && m.dst() == last_state.ep_target.unwrap()
[INFO] [stdout] ...   |
[INFO] [stdout] 273 | |         }
[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] 259 ~         if last_state.ep_target.is_some()
[INFO] [stdout] 260 ~             && self.b.piece_occ(Type::PAWN) & m.src().mask() != 0u64
[INFO] [stdout] 261 |                 && m.dst() == last_state.ep_target.unwrap()
[INFO] [stdout] ...
[INFO] [stdout] 271 |                 new_state.capture_square = Some(ep_square);
[INFO] [stdout] 272 ~             }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]    --> src/position.rs:324:9
[INFO] [stdout]     |
[INFO] [stdout] 324 | /         if self.b.piece_occ(Type::PAWN) & m.src().mask() != 0u64 {
[INFO] [stdout] 325 | |             if (m.dst().rank() as i32 - m.src().rank() as i32).abs() > 1 {
[INFO] [stdout] 326 | |                 new_state.ep_target = Some(Square::at(
[INFO] [stdout] 327 | |                     (m.src().rank() + m.dst().rank()) / 2,
[INFO] [stdout] ...   |
[INFO] [stdout] 331 | |         }
[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] 324 ~         if self.b.piece_occ(Type::PAWN) & m.src().mask() != 0u64
[INFO] [stdout] 325 ~             && (m.dst().rank() as i32 - m.src().rank() as i32).abs() > 1 {
[INFO] [stdout] 326 |                 new_state.ep_target = Some(Square::at(
[INFO] [stdout] ...
[INFO] [stdout] 329 |                 ));
[INFO] [stdout] 330 ~             }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]    --> src/position.rs:369:9
[INFO] [stdout]     |
[INFO] [stdout] 369 | /         if self.b.piece_occ(Type::KING) & m.dst().mask() != 0u64 {
[INFO] [stdout] 370 | |             if (m.src().file() as i32 - m.dst().file() as i32).abs() > 1 {
[INFO] [stdout] 371 | |                 let castle_side = match m.dst().file() {
[INFO] [stdout] 372 | |                     2 => Castling::QUEENSIDE,
[INFO] [stdout] ...   |
[INFO] [stdout] 389 | |         }
[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] 369 ~         if self.b.piece_occ(Type::KING) & m.dst().mask() != 0u64
[INFO] [stdout] 370 ~             && (m.src().file() as i32 - m.dst().file() as i32).abs() > 1 {
[INFO] [stdout] 371 |                 let castle_side = match m.dst().file() {
[INFO] [stdout] ...
[INFO] [stdout] 387 |                 }
[INFO] [stdout] 388 ~             }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]    --> src/position.rs:402:9
[INFO] [stdout]     |
[INFO] [stdout] 402 | /         match last_state.capture_square {
[INFO] [stdout] 403 | |             Some(sq) => {
[INFO] [stdout] 404 | |                 self.b.place(sq, last_state.captured.unwrap());
[INFO] [stdout] ...   |
[INFO] [stdout] 407 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout]     = note: `#[warn(clippy::single_match)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 402 ~         if let Some(sq) = last_state.capture_square {
[INFO] [stdout] 403 +             self.b.place(sq, last_state.captured.unwrap());
[INFO] [stdout] 404 +         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]    --> src/position.rs:594:9
[INFO] [stdout]     |
[INFO] [stdout] 594 | /         if top.castling[self.ctm as usize][Castling::QUEENSIDE as usize] {
[INFO] [stdout] 595 | |             if self.b.global_occ()
[INFO] [stdout] 596 | |                 & movegen::CASTLE_OCC_MASKS[self.ctm as usize][Castling::QUEENSIDE as usize]
[INFO] [stdout] 597 | |                 == 0u64
[INFO] [stdout] ...   |
[INFO] [stdout] 606 | |         }
[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] 594 ~         if top.castling[self.ctm as usize][Castling::QUEENSIDE as usize]
[INFO] [stdout] 595 ~             && self.b.global_occ()
[INFO] [stdout] 596 |                 & movegen::CASTLE_OCC_MASKS[self.ctm as usize][Castling::QUEENSIDE as usize]
[INFO] [stdout] ...
[INFO] [stdout] 604 |                 output.push(Move::new(Square::at(rank, 4), Square::at(rank, 2), None));
[INFO] [stdout] 605 ~             }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]    --> src/position.rs:608:9
[INFO] [stdout]     |
[INFO] [stdout] 608 | /         if top.castling[self.ctm as usize][Castling::KINGSIDE as usize] {
[INFO] [stdout] 609 | |             if self.b.global_occ()
[INFO] [stdout] 610 | |                 & movegen::CASTLE_OCC_MASKS[self.ctm as usize][Castling::KINGSIDE as usize]
[INFO] [stdout] 611 | |                 == 0u64
[INFO] [stdout] ...   |
[INFO] [stdout] 620 | |         }
[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] 608 ~         if top.castling[self.ctm as usize][Castling::KINGSIDE as usize]
[INFO] [stdout] 609 ~             && self.b.global_occ()
[INFO] [stdout] 610 |                 & movegen::CASTLE_OCC_MASKS[self.ctm as usize][Castling::KINGSIDE as usize]
[INFO] [stdout] ...
[INFO] [stdout] 618 |                 output.push(Move::new(Square::at(rank, 4), Square::at(rank, 6), None));
[INFO] [stdout] 619 ~             }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `Move` which implements the `Copy` trait
[INFO] [stdout]    --> src/position.rs:634:31
[INFO] [stdout]     |
[INFO] [stdout] 634 |             if self.make_move(m.clone()) {
[INFO] [stdout]     |                               ^^^^^^^^^ help: try removing the `clone` call: `m`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: parameter is only used in recursion
[INFO] [stdout]    --> src/position.rs:625:39
[INFO] [stdout]     |
[INFO] [stdout] 625 |     pub fn perft(&mut self, d: usize, p: usize) -> usize {
[INFO] [stdout]     |                                       ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout]     |
[INFO] [stdout] note: parameter used here
[INFO] [stdout]    --> src/position.rs:635:44
[INFO] [stdout]     |
[INFO] [stdout] 635 |                 let rs = self.perft(d - 1, p + 1);
[INFO] [stdout]     |                                            ^
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#only_used_in_recursion
[INFO] [stdout]     = note: `#[warn(clippy::only_used_in_recursion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `EAST` contains a capitalized acronym
[INFO] [stdout]  --> src/square.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     EAST = 1,
[INFO] [stdout]   |     ^^^^ help: consider making the acronym lowercase, except the initial letter: `East`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `WEST` contains a capitalized acronym
[INFO] [stdout]  --> src/square.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     WEST = -1,
[INFO] [stdout]   |     ^^^^ help: consider making the acronym lowercase, except the initial letter: `West`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `NORTH` contains a capitalized acronym
[INFO] [stdout]  --> src/square.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     NORTH = 8,
[INFO] [stdout]   |     ^^^^^ help: consider making the acronym lowercase, except the initial letter: `North`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `SOUTH` contains a capitalized acronym
[INFO] [stdout]  --> src/square.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     SOUTH = -8,
[INFO] [stdout]   |     ^^^^^ help: consider making the acronym lowercase, except the initial letter: `South`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `NORTHWEST` contains a capitalized acronym
[INFO] [stdout]  --> src/square.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     NORTHWEST = 7,
[INFO] [stdout]   |     ^^^^^^^^^ help: consider making the acronym lowercase, except the initial letter: `Northwest`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `NORTHEAST` contains a capitalized acronym
[INFO] [stdout]  --> src/square.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     NORTHEAST = 9,
[INFO] [stdout]   |     ^^^^^^^^^ help: consider making the acronym lowercase, except the initial letter: `Northeast`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `SOUTHWEST` contains a capitalized acronym
[INFO] [stdout]  --> src/square.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     SOUTHWEST = -9,
[INFO] [stdout]   |     ^^^^^^^^^ help: consider making the acronym lowercase, except the initial letter: `Southwest`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `SOUTHEAST` contains a capitalized acronym
[INFO] [stdout]  --> src/square.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     SOUTHEAST = -7,
[INFO] [stdout]   |     ^^^^^^^^^ help: consider making the acronym lowercase, except the initial letter: `Southeast`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods with the following characteristics: (`to_*` and `self` type is `Copy`) usually take `self` by value
[INFO] [stdout]   --> src/square.rs:31:19
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn to_str(&self) -> String {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider choosing a less ambiguous name
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting a character literal to `u8` truncates
[INFO] [stdout]   --> src/square.rs:34:19
[INFO] [stdout]    |
[INFO] [stdout] 34 |         out.push((('a' as u8) + self.f as u8) as char);
[INFO] [stdout]    |                   ^^^^^^^^^^^ help: use a byte literal instead: `b'a'`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `char` is four bytes wide, but `u8` is a single byte
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stdout]    = note: `#[warn(clippy::char_lit_as_u8)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting a character literal to `u8` truncates
[INFO] [stdout]   --> src/square.rs:35:19
[INFO] [stdout]    |
[INFO] [stdout] 35 |         out.push((('1' as u8) + self.r as u8) as char);
[INFO] [stdout]    |                   ^^^^^^^^^^^ help: use a byte literal instead: `b'1'`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `char` is four bytes wide, but `u8` is a single byte
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual `!Range::contains` implementation
[INFO] [stdout]   --> src/square.rs:48:37
[INFO] [stdout]    |
[INFO] [stdout] 48 |         if file < 0 || file >= 8 || rank < 0 || rank >= 8 {
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^ help: use: `!(0..8).contains(&rank)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_range_contains
[INFO] [stdout]    = note: `#[warn(clippy::manual_range_contains)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual `!Range::contains` implementation
[INFO] [stdout]   --> src/square.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |         if file < 0 || file >= 8 || rank < 0 || rank >= 8 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^ help: use: `!(0..8).contains(&file)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_range_contains
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting integer literal to `u64` is unnecessary
[INFO] [stdout]   --> src/square.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |         (1 as u64) << self.ind
[INFO] [stdout]    |         ^^^^^^^^^^ help: try: `1_u64`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `s` is only used to index `out`
[INFO] [stdout]   --> src/zobrist.rs:17:14
[INFO] [stdout]    |
[INFO] [stdout] 17 |     for s in 0..64 {
[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] 17 -     for s in 0..64 {
[INFO] [stdout] 17 +     for <item> in &mut out {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `EAST` and `WEST` are never constructed
[INFO] [stdout]  --> src/square.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum Direction {
[INFO] [stdout]   |          --------- variants in this enum
[INFO] [stdout] 2 |     EAST = 1,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 3 |     WEST = -1,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `sq` is used to index `output`
[INFO] [stdout]    --> src/attacks.rs:573:15
[INFO] [stdout]     |
[INFO] [stdout] 573 |     for sq in 0..64 {
[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] 573 -     for sq in 0..64 {
[INFO] [stdout] 573 +     for (sq, <item>) in output.iter_mut().enumerate() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `sq` is used to index `output`
[INFO] [stdout]    --> src/attacks.rs:633:15
[INFO] [stdout]     |
[INFO] [stdout] 633 |     for sq in 0..64 {
[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 and enumerate()
[INFO] [stdout]     |
[INFO] [stdout] 633 -     for sq in 0..64 {
[INFO] [stdout] 633 +     for (sq, <item>) in output.iter_mut().enumerate() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/attacks.rs:728:5
[INFO] [stdout]     |
[INFO] [stdout] 728 |     return output;
[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] 728 -     return output;
[INFO] [stdout] 728 +     output
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`u32` -> `u32`)
[INFO] [stdout]    --> src/attacks.rs:711:12
[INFO] [stdout]     |
[INFO] [stdout] 711 |         if (index >> i) as u32 & 1 != 0 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^ help: try: `(index >> i)`
[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: this boolean expression can be simplified
[INFO] [stdout]   --> src/board.rs:30:17
[INFO] [stdout]    |
[INFO] [stdout] 30 |         assert!(!self.state[s.index()].is_some());
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `self.state[s.index()].is_none()`
[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: methods with the following characteristics: (`to_*` and `self` type is `Copy`) usually take `self` by value
[INFO] [stdout]   --> src/gmove.rs:20:19
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn to_uci(&self) -> String {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider choosing a less ambiguous name
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stdout]    = note: `#[warn(clippy::wrong_self_convention)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `unwrap` on `self.m_ptype` after checking its variant with `is_some`
[INFO] [stdout]   --> src/gmove.rs:25:22
[INFO] [stdout]    |
[INFO] [stdout] 24 |         if self.m_ptype.is_some() {
[INFO] [stdout]    |         ------------------------- help: try: `if let Some(<item>) = self.m_ptype`
[INFO] [stdout] 25 |             out.push(self.m_ptype.unwrap().to_fen());
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[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: this block may be rewritten with the `?` operator
[INFO] [stdout]   --> src/gmove.rs:59:13
[INFO] [stdout]    |
[INFO] [stdout] 59 | /             if ptype.is_none() {
[INFO] [stdout] 60 | |                 return None;
[INFO] [stdout] 61 | |             }
[INFO] [stdout]    | |_____________^ help: replace it with: `ptype?;`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#question_mark
[INFO] [stdout]    = note: `#[warn(clippy::question_mark)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `Option<Type>` which implements the `Copy` trait
[INFO] [stdout]   --> src/gmove.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |         self.m_ptype.clone()
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.m_ptype`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout]    = note: `#[warn(clippy::clone_on_copy)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `PAWN` contains a capitalized acronym
[INFO] [stdout]  --> src/piece.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     PAWN = 0,
[INFO] [stdout]   |     ^^^^ help: consider making the acronym lowercase, except the initial letter: `Pawn`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout]   = note: `#[warn(clippy::upper_case_acronyms)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `BISHOP` contains a capitalized acronym
[INFO] [stdout]  --> src/piece.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     BISHOP = 1,
[INFO] [stdout]   |     ^^^^^^ help: consider making the acronym lowercase, except the initial letter: `Bishop`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `KNIGHT` contains a capitalized acronym
[INFO] [stdout]  --> src/piece.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     KNIGHT = 2,
[INFO] [stdout]   |     ^^^^^^ help: consider making the acronym lowercase, except the initial letter: `Knight`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `ROOK` contains a capitalized acronym
[INFO] [stdout]  --> src/piece.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     ROOK = 3,
[INFO] [stdout]   |     ^^^^ help: consider making the acronym lowercase, except the initial letter (notice the capitalization): `Rook`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `QUEEN` contains a capitalized acronym
[INFO] [stdout]  --> src/piece.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     QUEEN = 4,
[INFO] [stdout]   |     ^^^^^ help: consider making the acronym lowercase, except the initial letter: `Queen`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `KING` contains a capitalized acronym
[INFO] [stdout]   --> src/piece.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     KING = 5,
[INFO] [stdout]    |     ^^^^ help: consider making the acronym lowercase, except the initial letter: `King`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods with the following characteristics: (`to_*` and `self` type is `Copy`) usually take `self` by value
[INFO] [stdout]   --> src/piece.rs:14:19
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn to_fen(&self) -> char {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider choosing a less ambiguous name
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `WHITE` contains a capitalized acronym
[INFO] [stdout]   --> src/piece.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     WHITE = 0,
[INFO] [stdout]    |     ^^^^^ help: consider making the acronym lowercase, except the initial letter: `White`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `BLACK` contains a capitalized acronym
[INFO] [stdout]   --> src/piece.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     BLACK = 1,
[INFO] [stdout]    |     ^^^^^ help: consider making the acronym lowercase, except the initial letter: `Black`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods with the following characteristics: (`to_*` and `self` type is `Copy`) usually take `self` by value
[INFO] [stdout]   --> src/piece.rs:53:19
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn to_fen(&self) -> char {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider choosing a less ambiguous name
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods with the following characteristics: (`to_*` and `self` type is `Copy`) usually take `self` by value
[INFO] [stdout]   --> src/piece.rs:80:19
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn to_fen(&self) -> char {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider choosing a less ambiguous name
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/piece.rs:84:13
[INFO] [stdout]    |
[INFO] [stdout] 84 |             return tc.to_uppercase().collect::<Vec<char>>()[0];
[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] 84 -             return tc.to_uppercase().collect::<Vec<char>>()[0];
[INFO] [stdout] 84 +             tc.to_uppercase().collect::<Vec<char>>()[0]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/piece.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |             return tc;
[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] 86 -             return tc;
[INFO] [stdout] 86 +             tc
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this block may be rewritten with the `?` operator
[INFO] [stdout]    --> src/piece.rs:99:9
[INFO] [stdout]     |
[INFO] [stdout]  99 | /         if ptype.is_none() {
[INFO] [stdout] 100 | |             return None;
[INFO] [stdout] 101 | |         }
[INFO] [stdout]     | |_________^ help: replace it with: `ptype?;`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#question_mark
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `Color` which implements the `Copy` trait
[INFO] [stdout]    --> src/piece.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |         self.color.clone()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.color`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `Type` which implements the `Copy` trait
[INFO] [stdout]    --> src/piece.rs:118:9
[INFO] [stdout]     |
[INFO] [stdout] 118 |         self.ptype.clone()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.ptype`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `QUEENSIDE` contains a capitalized acronym
[INFO] [stdout]   --> src/position.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     QUEENSIDE = 0,
[INFO] [stdout]    |     ^^^^^^^^^ help: consider making the acronym lowercase, except the initial letter: `Queenside`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `KINGSIDE` contains a capitalized acronym
[INFO] [stdout]   --> src/position.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     KINGSIDE = 1,
[INFO] [stdout]    |     ^^^^^^^^ help: consider making the acronym lowercase, except the initial letter: `Kingside`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `r` is used to index `ranks`
[INFO] [stdout]    --> src/position.rs:104:18
[INFO] [stdout]     |
[INFO] [stdout] 104 |         for r in 0..8 {
[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 and enumerate()
[INFO] [stdout]     |
[INFO] [stdout] 104 -         for r in 0..8 {
[INFO] [stdout] 104 +         for (r, <item>) in ranks.iter().enumerate().take(8) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `char::is_digit` with literal radix of 10
[INFO] [stdout]    --> src/position.rs:113:20
[INFO] [stdout]     |
[INFO] [stdout] 113 |                 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: casting to the same type is unnecessary (`usize` -> `usize`)
[INFO] [stdout]    --> src/position.rs:119:55
[INFO] [stdout]     |
[INFO] [stdout] 119 |                         Some(p) => b.place(Square::at((7 - r) as usize, f as usize), p),
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^^ help: try: `((7 - r))`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `unwrap` on `last_state.ep_target` after checking its variant with `is_some`
[INFO] [stdout]    --> src/position.rs:261:31
[INFO] [stdout]     |
[INFO] [stdout] 259 |         if last_state.ep_target.is_some() {
[INFO] [stdout]     |         --------------------------------- help: try: `if let Some(<item>) = last_state.ep_target`
[INFO] [stdout] 260 |             if self.b.piece_occ(Type::PAWN) & m.src().mask() != 0u64
[INFO] [stdout] 261 |                 && m.dst() == last_state.ep_target.unwrap()
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[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: called `unwrap` on `last_state.ep_target` after checking its variant with `is_some`
[INFO] [stdout]    --> src/position.rs:265:22
[INFO] [stdout]     |
[INFO] [stdout] 259 |         if last_state.ep_target.is_some() {
[INFO] [stdout]     |         --------------------------------- help: try: `if let Some(<item>) = last_state.ep_target`
[INFO] [stdout] ...
[INFO] [stdout] 265 |                     (last_state.ep_target.unwrap().index() as i32
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[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: using `clone` on type `Move` which implements the `Copy` trait
[INFO] [stdout]    --> src/position.rs:245:36
[INFO] [stdout]     |
[INFO] [stdout] 245 |         new_state.last_move = Some(m.clone());
[INFO] [stdout]     |                                    ^^^^^^^^^ help: try removing the `clone` call: `m`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]    --> src/position.rs:259:9
[INFO] [stdout]     |
[INFO] [stdout] 259 | /         if last_state.ep_target.is_some() {
[INFO] [stdout] 260 | |             if self.b.piece_occ(Type::PAWN) & m.src().mask() != 0u64
[INFO] [stdout] 261 | |                 && m.dst() == last_state.ep_target.unwrap()
[INFO] [stdout] ...   |
[INFO] [stdout] 273 | |         }
[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] 259 ~         if last_state.ep_target.is_some()
[INFO] [stdout] 260 ~             && self.b.piece_occ(Type::PAWN) & m.src().mask() != 0u64
[INFO] [stdout] 261 |                 && m.dst() == last_state.ep_target.unwrap()
[INFO] [stdout] ...
[INFO] [stdout] 271 |                 new_state.capture_square = Some(ep_square);
[INFO] [stdout] 272 ~             }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]    --> src/position.rs:324:9
[INFO] [stdout]     |
[INFO] [stdout] 324 | /         if self.b.piece_occ(Type::PAWN) & m.src().mask() != 0u64 {
[INFO] [stdout] 325 | |             if (m.dst().rank() as i32 - m.src().rank() as i32).abs() > 1 {
[INFO] [stdout] 326 | |                 new_state.ep_target = Some(Square::at(
[INFO] [stdout] 327 | |                     (m.src().rank() + m.dst().rank()) / 2,
[INFO] [stdout] ...   |
[INFO] [stdout] 331 | |         }
[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] 324 ~         if self.b.piece_occ(Type::PAWN) & m.src().mask() != 0u64
[INFO] [stdout] 325 ~             && (m.dst().rank() as i32 - m.src().rank() as i32).abs() > 1 {
[INFO] [stdout] 326 |                 new_state.ep_target = Some(Square::at(
[INFO] [stdout] ...
[INFO] [stdout] 329 |                 ));
[INFO] [stdout] 330 ~             }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]    --> src/position.rs:369:9
[INFO] [stdout]     |
[INFO] [stdout] 369 | /         if self.b.piece_occ(Type::KING) & m.dst().mask() != 0u64 {
[INFO] [stdout] 370 | |             if (m.src().file() as i32 - m.dst().file() as i32).abs() > 1 {
[INFO] [stdout] 371 | |                 let castle_side = match m.dst().file() {
[INFO] [stdout] 372 | |                     2 => Castling::QUEENSIDE,
[INFO] [stdout] ...   |
[INFO] [stdout] 389 | |         }
[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] 369 ~         if self.b.piece_occ(Type::KING) & m.dst().mask() != 0u64
[INFO] [stdout] 370 ~             && (m.src().file() as i32 - m.dst().file() as i32).abs() > 1 {
[INFO] [stdout] 371 |                 let castle_side = match m.dst().file() {
[INFO] [stdout] ...
[INFO] [stdout] 387 |                 }
[INFO] [stdout] 388 ~             }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]    --> src/position.rs:402:9
[INFO] [stdout]     |
[INFO] [stdout] 402 | /         match last_state.capture_square {
[INFO] [stdout] 403 | |             Some(sq) => {
[INFO] [stdout] 404 | |                 self.b.place(sq, last_state.captured.unwrap());
[INFO] [stdout] ...   |
[INFO] [stdout] 407 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout]     = note: `#[warn(clippy::single_match)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 402 ~         if let Some(sq) = last_state.capture_square {
[INFO] [stdout] 403 +             self.b.place(sq, last_state.captured.unwrap());
[INFO] [stdout] 404 +         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]    --> src/position.rs:594:9
[INFO] [stdout]     |
[INFO] [stdout] 594 | /         if top.castling[self.ctm as usize][Castling::QUEENSIDE as usize] {
[INFO] [stdout] 595 | |             if self.b.global_occ()
[INFO] [stdout] 596 | |                 & movegen::CASTLE_OCC_MASKS[self.ctm as usize][Castling::QUEENSIDE as usize]
[INFO] [stdout] 597 | |                 == 0u64
[INFO] [stdout] ...   |
[INFO] [stdout] 606 | |         }
[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] 594 ~         if top.castling[self.ctm as usize][Castling::QUEENSIDE as usize]
[INFO] [stdout] 595 ~             && self.b.global_occ()
[INFO] [stdout] 596 |                 & movegen::CASTLE_OCC_MASKS[self.ctm as usize][Castling::QUEENSIDE as usize]
[INFO] [stdout] ...
[INFO] [stdout] 604 |                 output.push(Move::new(Square::at(rank, 4), Square::at(rank, 2), None));
[INFO] [stdout] 605 ~             }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]    --> src/position.rs:608:9
[INFO] [stdout]     |
[INFO] [stdout] 608 | /         if top.castling[self.ctm as usize][Castling::KINGSIDE as usize] {
[INFO] [stdout] 609 | |             if self.b.global_occ()
[INFO] [stdout] 610 | |                 & movegen::CASTLE_OCC_MASKS[self.ctm as usize][Castling::KINGSIDE as usize]
[INFO] [stdout] 611 | |                 == 0u64
[INFO] [stdout] ...   |
[INFO] [stdout] 620 | |         }
[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] 608 ~         if top.castling[self.ctm as usize][Castling::KINGSIDE as usize]
[INFO] [stdout] 609 ~             && self.b.global_occ()
[INFO] [stdout] 610 |                 & movegen::CASTLE_OCC_MASKS[self.ctm as usize][Castling::KINGSIDE as usize]
[INFO] [stdout] ...
[INFO] [stdout] 618 |                 output.push(Move::new(Square::at(rank, 4), Square::at(rank, 6), None));
[INFO] [stdout] 619 ~             }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `Move` which implements the `Copy` trait
[INFO] [stdout]    --> src/position.rs:634:31
[INFO] [stdout]     |
[INFO] [stdout] 634 |             if self.make_move(m.clone()) {
[INFO] [stdout]     |                               ^^^^^^^^^ help: try removing the `clone` call: `m`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: parameter is only used in recursion
[INFO] [stdout]    --> src/position.rs:625:39
[INFO] [stdout]     |
[INFO] [stdout] 625 |     pub fn perft(&mut self, d: usize, p: usize) -> usize {
[INFO] [stdout]     |                                       ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout]     |
[INFO] [stdout] note: parameter used here
[INFO] [stdout]    --> src/position.rs:635:44
[INFO] [stdout]     |
[INFO] [stdout] 635 |                 let rs = self.perft(d - 1, p + 1);
[INFO] [stdout]     |                                            ^
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#only_used_in_recursion
[INFO] [stdout]     = note: `#[warn(clippy::only_used_in_recursion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `Move` which implements the `Copy` trait
[INFO] [stdout]    --> src/position.rs:827:25
[INFO] [stdout]     |
[INFO] [stdout] 827 |             p.make_move(m.clone());
[INFO] [stdout]     |                         ^^^^^^^^^ help: try removing the `clone` call: `m`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `EAST` contains a capitalized acronym
[INFO] [stdout]  --> src/square.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     EAST = 1,
[INFO] [stdout]   |     ^^^^ help: consider making the acronym lowercase, except the initial letter: `East`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `WEST` contains a capitalized acronym
[INFO] [stdout]  --> src/square.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     WEST = -1,
[INFO] [stdout]   |     ^^^^ help: consider making the acronym lowercase, except the initial letter: `West`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `NORTH` contains a capitalized acronym
[INFO] [stdout]  --> src/square.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     NORTH = 8,
[INFO] [stdout]   |     ^^^^^ help: consider making the acronym lowercase, except the initial letter: `North`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `SOUTH` contains a capitalized acronym
[INFO] [stdout]  --> src/square.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     SOUTH = -8,
[INFO] [stdout]   |     ^^^^^ help: consider making the acronym lowercase, except the initial letter: `South`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `NORTHWEST` contains a capitalized acronym
[INFO] [stdout]  --> src/square.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     NORTHWEST = 7,
[INFO] [stdout]   |     ^^^^^^^^^ help: consider making the acronym lowercase, except the initial letter: `Northwest`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `NORTHEAST` contains a capitalized acronym
[INFO] [stdout]  --> src/square.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     NORTHEAST = 9,
[INFO] [stdout]   |     ^^^^^^^^^ help: consider making the acronym lowercase, except the initial letter: `Northeast`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `SOUTHWEST` contains a capitalized acronym
[INFO] [stdout]  --> src/square.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     SOUTHWEST = -9,
[INFO] [stdout]   |     ^^^^^^^^^ help: consider making the acronym lowercase, except the initial letter: `Southwest`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `SOUTHEAST` contains a capitalized acronym
[INFO] [stdout]  --> src/square.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     SOUTHEAST = -7,
[INFO] [stdout]   |     ^^^^^^^^^ help: consider making the acronym lowercase, except the initial letter: `Southeast`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods with the following characteristics: (`to_*` and `self` type is `Copy`) usually take `self` by value
[INFO] [stdout]   --> src/square.rs:31:19
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn to_str(&self) -> String {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider choosing a less ambiguous name
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting a character literal to `u8` truncates
[INFO] [stdout]   --> src/square.rs:34:19
[INFO] [stdout]    |
[INFO] [stdout] 34 |         out.push((('a' as u8) + self.f as u8) as char);
[INFO] [stdout]    |                   ^^^^^^^^^^^ help: use a byte literal instead: `b'a'`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `char` is four bytes wide, but `u8` is a single byte
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stdout]    = note: `#[warn(clippy::char_lit_as_u8)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting a character literal to `u8` truncates
[INFO] [stdout]   --> src/square.rs:35:19
[INFO] [stdout]    |
[INFO] [stdout] 35 |         out.push((('1' as u8) + self.r as u8) as char);
[INFO] [stdout]    |                   ^^^^^^^^^^^ help: use a byte literal instead: `b'1'`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `char` is four bytes wide, but `u8` is a single byte
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual `!Range::contains` implementation
[INFO] [stdout]   --> src/square.rs:48:37
[INFO] [stdout]    |
[INFO] [stdout] 48 |         if file < 0 || file >= 8 || rank < 0 || rank >= 8 {
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^ help: use: `!(0..8).contains(&rank)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_range_contains
[INFO] [stdout]    = note: `#[warn(clippy::manual_range_contains)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual `!Range::contains` implementation
[INFO] [stdout]   --> src/square.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |         if file < 0 || file >= 8 || rank < 0 || rank >= 8 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^ help: use: `!(0..8).contains(&file)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_range_contains
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting integer literal to `u64` is unnecessary
[INFO] [stdout]   --> src/square.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |         (1 as u64) << self.ind
[INFO] [stdout]    |         ^^^^^^^^^^ help: try: `1_u64`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `s` is only used to index `out`
[INFO] [stdout]   --> src/zobrist.rs:17:14
[INFO] [stdout]    |
[INFO] [stdout] 17 |     for s in 0..64 {
[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] 17 -     for s in 0..64 {
[INFO] [stdout] 17 +     for <item> in &mut out {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.39s
[INFO] running `Command { std: "docker" "inspect" "07ef2213f6e49692057606475cba38779e62cb72f2c398c97be135d30336c434", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07ef2213f6e49692057606475cba38779e62cb72f2c398c97be135d30336c434", kill_on_drop: false }`
[INFO] [stdout] 07ef2213f6e49692057606475cba38779e62cb72f2c398c97be135d30336c434