[INFO] cloning repository https://github.com/jojo2504/chess-engine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jojo2504/chess-engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjojo2504%2Fchess-engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjojo2504%2Fchess-engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7aa85bda69bd4229259fc4ac279ba355d270e43a
[INFO] testing jojo2504/chess-engine against master#0d162b25edd5bf0dba9a22e83b614f1113e90474 for pr-150681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjojo2504%2Fchess-engine" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jojo2504/chess-engine
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/jojo2504/chess-engine
[INFO] tweaked toml for git repo https://github.com/jojo2504/chess-engine written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jojo2504/chess-engine on toolchain 0d162b25edd5bf0dba9a22e83b614f1113e90474
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jojo2504/chess-engine 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" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.228
[INFO] [stderr]   Downloaded quote v1.0.42
[INFO] [stderr]   Downloaded alloca v0.4.0
[INFO] [stderr]   Downloaded cast v0.3.0
[INFO] [stderr]   Downloaded find-msvc-tools v0.1.6
[INFO] [stderr]   Downloaded ciborium-ll v0.2.2
[INFO] [stderr]   Downloaded console v0.16.2
[INFO] [stderr]   Downloaded anyhow v1.0.100
[INFO] [stderr]   Downloaded encode_unicode v1.0.0
[INFO] [stderr]   Downloaded plotters v0.3.7
[INFO] [stderr]   Downloaded clap_builder v4.5.53
[INFO] [stderr]   Downloaded aho-corasick v1.1.4
[INFO] [stderr]   Downloaded zerocopy v0.8.31
[INFO] [stderr]   Downloaded syn v2.0.111
[INFO] [stderr]   Downloaded serde_json v1.0.148
[INFO] [stderr]   Downloaded bumpalo v3.19.1
[INFO] [stderr]   Downloaded web-sys v0.3.83
[INFO] [stderr]   Downloaded getrandom v0.3.4
[INFO] [stderr]   Downloaded regex-automata v0.4.13
[INFO] [stderr]   Downloaded criterion v0.8.1
[INFO] [stderr]   Downloaded cc v1.2.51
[INFO] [stderr]   Downloaded regex v1.12.2
[INFO] [stderr]   Downloaded libc v0.2.178
[INFO] [stderr]   Downloaded wasip2 v1.0.1+wasi-0.2.4
[INFO] [stderr]   Downloaded rayon v1.11.0
[INFO] [stderr]   Downloaded memchr v2.7.6
[INFO] [stderr]   Downloaded rand v0.9.2
[INFO] [stderr]   Downloaded unicode-width v0.2.2
[INFO] [stderr]   Downloaded serde v1.0.228
[INFO] [stderr]   Downloaded clap v4.5.53
[INFO] [stderr]   Downloaded js-sys v0.3.83
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.31
[INFO] [stderr]   Downloaded regex-syntax v0.8.8
[INFO] [stderr]   Downloaded wit-bindgen v0.46.0
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.21
[INFO] [stderr]   Downloaded rayon-core v1.13.0
[INFO] [stderr]   Downloaded half v2.7.1
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.106
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.106
[INFO] [stderr]   Downloaded either v1.15.0
[INFO] [stderr]   Downloaded anstyle v1.0.13
[INFO] [stderr]   Downloaded clap_lex v0.7.6
[INFO] [stderr]   Downloaded criterion-plot v0.8.1
[INFO] [stderr]   Downloaded tinytemplate v1.2.1
[INFO] [stderr]   Downloaded cfg-if v1.0.4
[INFO] [stderr]   Downloaded crossbeam-deque v0.8.6
[INFO] [stderr]   Downloaded serde_core v1.0.228
[INFO] [stderr]   Downloaded zmij v1.0.1
[INFO] [stderr]   Downloaded anes v0.1.6
[INFO] [stderr]   Downloaded ciborium-io v0.2.2
[INFO] [stderr]   Downloaded crunchy v0.2.4
[INFO] [stderr]   Downloaded ciborium v0.2.2
[INFO] [stderr]   Downloaded autocfg v1.5.0
[INFO] [stderr]   Downloaded rustversion v1.0.22
[INFO] [stderr]   Downloaded oorandom v11.1.5
[INFO] [stderr]   Downloaded plotters-backend v0.3.7
[INFO] [stderr]   Downloaded plotters-svg v0.3.7
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.106
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.106
[INFO] [stderr]   Downloaded winapi-util v0.1.11
[INFO] [stderr]   Downloaded itoa v1.0.17
[INFO] [stderr]   Downloaded proc-macro2 v1.0.104
[INFO] [stderr]   Downloaded unicode-ident v1.0.22
[INFO] [stderr]   Downloaded page_size v0.6.0
[INFO] [stderr]   Downloaded stats_alloc v0.1.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47ed22c743b62da99b8c61e4448c765fa103fe616ba7e81f3fa4aedf3adab216
[INFO] running `Command { std: "docker" "start" "-a" "47ed22c743b62da99b8c61e4448c765fa103fe616ba7e81f3fa4aedf3adab216", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47ed22c743b62da99b8c61e4448c765fa103fe616ba7e81f3fa4aedf3adab216", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47ed22c743b62da99b8c61e4448c765fa103fe616ba7e81f3fa4aedf3adab216", kill_on_drop: false }`
[INFO] [stdout] 47ed22c743b62da99b8c61e4448c765fa103fe616ba7e81f3fa4aedf3adab216
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3684ff384bf830438e6f3df8e5eee5a92d289b1515342c355e3e240fa7ec2553
[INFO] running `Command { std: "docker" "start" "-a" "3684ff384bf830438e6f3df8e5eee5a92d289b1515342c355e3e240fa7ec2553", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]    Compiling proc-macro2 v1.0.104
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling zerocopy v0.8.31
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling zmij v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.148
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling itoa v1.0.17
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling unicode-width v0.2.2
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling stats_alloc v0.1.10
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling console v0.16.2
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling chess-engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Move`
[INFO] [stdout]  --> src/lib.rs:6:58
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::engine::{models::{board::Chessboard, r#move::{Move, MoveKind}}, movegen::generate_moves, search::Search};
[INFO] [stdout]   |                                                          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils::string_format::display_bitstring_as_chessboard`
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::utils::string_format::display_bitstring_as_chessboard;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `as_064b` and `string_format::display_bitstring_as_chessboard`
[INFO] [stdout]  --> src/engine/models/piece.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 | ...::{as_064b, engine::{magic::Magic, models::{board::{Board, Chessboard, Color, File, Rank}, r#move::MoveKind}}, utils::{bit_operations::{index_to_bitboard, transform}, string_format::display_bitstring_as_chessboard}};
[INFO] [stdout]   |       ^^^^^^^                                                                                                                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::as_064b`
[INFO] [stdout]   --> src/engine/models/board.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::as_064b;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils::string_format::display_bitstring_as_chessboard`
[INFO] [stdout]   --> src/engine/models/board.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::utils::string_format::display_bitstring_as_chessboard;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/engine/models/zobrist.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `piece::Piece`
[INFO] [stdout]  --> src/engine/search/evaluation.rs:3:48
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::engine::models::{board::Chessboard, piece::Piece};
[INFO] [stdout]   |                                                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `string_format::display_bitstring_as_chessboard`
[INFO] [stdout]  --> src/engine/movegen/movegen.rs:7:42
[INFO] [stdout]   |
[INFO] [stdout] 7 |     utils::{bit_operations::pop_1st_bit, string_format::display_bitstring_as_chessboard},
[INFO] [stdout]   |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `piece_index`
[INFO] [stdout]    --> src/engine/models/board.rs:616:35
[INFO] [stdout]     |
[INFO] [stdout] 616 |     pub fn slide_piece(&mut self, piece_index: usize, from: u64, to: u64, side: Color, _piece: Piece) {
[INFO] [stdout]     |                                   ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_piece_index`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `remaining`
[INFO] [stdout]    --> src/engine/engine.rs:129:17
[INFO] [stdout]     |
[INFO] [stdout] 129 |             let remaining: Vec<&str> = parts.collect();
[INFO] [stdout]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remaining`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Rank` is more private than the item `Square::rank`
[INFO] [stdout]    --> src/engine/models/board.rs:243:5
[INFO] [stdout]     |
[INFO] [stdout] 243 |     pub fn rank(self) -> Rank {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^ method `Square::rank` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `Rank` is only usable at visibility `pub(crate)`
[INFO] [stdout]    --> src/engine/models/board.rs:16:1
[INFO] [stdout]     |
[INFO] [stdout]  16 | pub(crate) enum Rank {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `compute_possible_attacks` is never used
[INFO] [stdout]    --> src/engine/models/piece.rs:135:19
[INFO] [stdout]     |
[INFO] [stdout]  84 | impl Pawn {
[INFO] [stdout]     | --------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 135 |     pub(crate) fn compute_possible_attacks(location: u64, chessboard: &Chessboard, turn_color: Color) -> u64 {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `stalemated` is never read
[INFO] [stdout]   --> src/engine/models/state.rs:31:16
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct State {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub(crate) stalemated: bool,
[INFO] [stdout]    |                ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `State` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/engine/models/state.rs:1:23
[INFO] [stdout]    |
[INFO] [stdout]  1 | #![warn(missing_docs, dead_code)]
[INFO] [stdout]    |                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `clear` is never used
[INFO] [stdout]   --> src/engine/models/board.rs:37:19
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl Rank {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub(crate) fn clear(self) -> u64 {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `EMPTY` and `FULL` are never constructed
[INFO] [stdout]    --> src/engine/models/board.rs:190:5
[INFO] [stdout]     |
[INFO] [stdout] 188 | pub(crate) enum Board {
[INFO] [stdout]     |                 ----- variants in this enum
[INFO] [stdout] 189 |     /// Constant value to a empty board (only `0`s).
[INFO] [stdout] 190 |     EMPTY = 0u64,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 191 |     /// Constant value to a full board (only `1`s).
[INFO] [stdout] 192 |     FULL = u64::MAX
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `get_corner_mask` is never used
[INFO] [stdout]    --> src/engine/models/board.rs:202:19
[INFO] [stdout]     |
[INFO] [stdout] 195 | impl Board {
[INFO] [stdout]     | ---------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 202 |     pub(crate) fn get_corner_mask() -> u64 {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_piece` is never used
[INFO] [stdout]    --> src/engine/models/board.rs:487:19
[INFO] [stdout]     |
[INFO] [stdout] 331 | impl Chessboard {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 487 |     pub(crate) fn set_piece(&mut self, color: Color, piece: Piece, bitboard: u64) {
[INFO] [stdout]     |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `get_ucis` is never used
[INFO] [stdout]    --> src/engine/models/move.rs:200:19
[INFO] [stdout]     |
[INFO] [stdout] 104 | impl Move {
[INFO] [stdout]     | --------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 200 |     pub(crate) fn get_ucis() -> Vec<String> {
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/engine/models/move.rs:1:23
[INFO] [stdout]     |
[INFO] [stdout]   1 | #![warn(missing_docs, dead_code)]
[INFO] [stdout]     |                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Zobrist` is never constructed
[INFO] [stdout]  --> src/engine/models/zobrist.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Zobrist {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `compute_castling_rights_hash` and `get_piece_square_index` are never used
[INFO] [stdout]   --> src/engine/models/zobrist.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl Zobrist {
[INFO] [stdout]    | ------------ associated functions in this implementation
[INFO] [stdout] 38 |     pub fn compute_castling_rights_hash(state: State) -> u64 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn get_piece_square_index(color: Color, piece: Piece, square: u8) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `zobrist` is never used
[INFO] [stdout]   --> src/engine/models/zobrist.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn zobrist() -> &'static Zobrist {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `square` is never read
[INFO] [stdout]   --> src/engine/magic/magic.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub(crate) struct Magic {
[INFO] [stdout]    |                   ----- field in this struct
[INFO] [stdout] 13 |     /// Square the piece is on during the move-bitboard generation technique.
[INFO] [stdout] 14 |     pub(crate) square: Square,
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Magic` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/engine/magic/magic.rs:1:23
[INFO] [stdout]    |
[INFO] [stdout]  1 | #![warn(missing_docs, dead_code)]
[INFO] [stdout]    |                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     console::Term::stdout().read_char();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let _ = console::Term::stdout().read_char();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |             write!(writer, "{}", chessboard);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 65 |             let _ = write!(writer, "{}", chessboard);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |             writeln!(writer, "{}", as_064b(chessboard.get_piece(Color::White, Piece::Queen)));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 72 |             let _ = writeln!(writer, "{}", as_064b(chessboard.get_piece(Color::White, Piece::Queen)));
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Color`, `Engine`, `as_064b`, `draw_perft_tree`, `perft_to_file`, `piece::Pawn`, `r#move::Move`, `search_test`, and `utils::string_format::display_bitstring_as_chessboard`
[INFO] [stdout]  --> src/main.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | ...::{as_064b, draw_perft_tree, engine::{Engine, models::{board::{Chessboard, Color}, r#move::Move, piece::Pawn}}, perft, perft_to_file, perft_tree, search_test, utils::string_format::display_bitstring_as_chessboard};
[INFO] [stdout]   |       ^^^^^^^  ^^^^^^^^^^^^^^^           ^^^^^^                               ^^^^^   ^^^^^^^^^^^^  ^^^^^^^^^^^           ^^^^^^^^^^^^^              ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Region`
[INFO] [stdout]  --> src/main.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 | use stats_alloc::{Region, StatsAlloc, INSTRUMENTED_SYSTEM};
[INFO] [stdout]   |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.30s
[INFO] running `Command { std: "docker" "inspect" "3684ff384bf830438e6f3df8e5eee5a92d289b1515342c355e3e240fa7ec2553", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3684ff384bf830438e6f3df8e5eee5a92d289b1515342c355e3e240fa7ec2553", kill_on_drop: false }`
[INFO] [stdout] 3684ff384bf830438e6f3df8e5eee5a92d289b1515342c355e3e240fa7ec2553
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 403e61f7b54ff4351bde9d833fdd4bbde9c89f863b801f1bf028145ddb533d4c
[INFO] running `Command { std: "docker" "start" "-a" "403e61f7b54ff4351bde9d833fdd4bbde9c89f863b801f1bf028145ddb533d4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.104
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling zerocopy v0.8.31
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling find-msvc-tools v0.1.6
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling anstyle v1.0.13
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling cc v1.2.51
[INFO] [stderr]    Compiling clap_lex v0.7.6
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling clap_builder v4.5.53
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling alloca v0.4.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling criterion-plot v0.8.1
[INFO] [stderr]    Compiling clap v4.5.53
[INFO] [stderr]    Compiling page_size v0.6.0
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling serde_json v1.0.148
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling zerocopy-derive v0.8.31
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling criterion v0.8.1
[INFO] [stderr]    Compiling chess-engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Move`
[INFO] [stdout]  --> src/lib.rs:6:58
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::engine::{models::{board::Chessboard, r#move::{Move, MoveKind}}, movegen::generate_moves, search::Search};
[INFO] [stdout]   |                                                          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils::string_format::display_bitstring_as_chessboard`
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::utils::string_format::display_bitstring_as_chessboard;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `as_064b` and `string_format::display_bitstring_as_chessboard`
[INFO] [stdout]  --> src/engine/models/piece.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 | ...::{as_064b, engine::{magic::Magic, models::{board::{Board, Chessboard, Color, File, Rank}, r#move::MoveKind}}, utils::{bit_operations::{index_to_bitboard, transform}, string_format::display_bitstring_as_chessboard}};
[INFO] [stdout]   |       ^^^^^^^                                                                                                                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::as_064b`
[INFO] [stdout]   --> src/engine/models/board.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::as_064b;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils::string_format::display_bitstring_as_chessboard`
[INFO] [stdout]   --> src/engine/models/board.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::utils::string_format::display_bitstring_as_chessboard;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/engine/models/zobrist.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `piece::Piece`
[INFO] [stdout]  --> src/engine/search/evaluation.rs:3:48
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::engine::models::{board::Chessboard, piece::Piece};
[INFO] [stdout]   |                                                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `string_format::display_bitstring_as_chessboard`
[INFO] [stdout]  --> src/engine/movegen/movegen.rs:7:42
[INFO] [stdout]   |
[INFO] [stdout] 7 |     utils::{bit_operations::pop_1st_bit, string_format::display_bitstring_as_chessboard},
[INFO] [stdout]   |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `piece_index`
[INFO] [stdout]    --> src/engine/models/board.rs:616:35
[INFO] [stdout]     |
[INFO] [stdout] 616 |     pub fn slide_piece(&mut self, piece_index: usize, from: u64, to: u64, side: Color, _piece: Piece) {
[INFO] [stdout]     |                                   ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_piece_index`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `remaining`
[INFO] [stdout]    --> src/engine/engine.rs:129:17
[INFO] [stdout]     |
[INFO] [stdout] 129 |             let remaining: Vec<&str> = parts.collect();
[INFO] [stdout]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remaining`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Rank` is more private than the item `Square::rank`
[INFO] [stdout]    --> src/engine/models/board.rs:243:5
[INFO] [stdout]     |
[INFO] [stdout] 243 |     pub fn rank(self) -> Rank {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^ method `Square::rank` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `Rank` is only usable at visibility `pub(crate)`
[INFO] [stdout]    --> src/engine/models/board.rs:16:1
[INFO] [stdout]     |
[INFO] [stdout]  16 | pub(crate) enum Rank {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `compute_possible_attacks` is never used
[INFO] [stdout]    --> src/engine/models/piece.rs:135:19
[INFO] [stdout]     |
[INFO] [stdout]  84 | impl Pawn {
[INFO] [stdout]     | --------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 135 |     pub(crate) fn compute_possible_attacks(location: u64, chessboard: &Chessboard, turn_color: Color) -> u64 {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `stalemated` is never read
[INFO] [stdout]   --> src/engine/models/state.rs:31:16
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct State {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub(crate) stalemated: bool,
[INFO] [stdout]    |                ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `State` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/engine/models/state.rs:1:23
[INFO] [stdout]    |
[INFO] [stdout]  1 | #![warn(missing_docs, dead_code)]
[INFO] [stdout]    |                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `clear` is never used
[INFO] [stdout]   --> src/engine/models/board.rs:37:19
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl Rank {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub(crate) fn clear(self) -> u64 {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `EMPTY` and `FULL` are never constructed
[INFO] [stdout]    --> src/engine/models/board.rs:190:5
[INFO] [stdout]     |
[INFO] [stdout] 188 | pub(crate) enum Board {
[INFO] [stdout]     |                 ----- variants in this enum
[INFO] [stdout] 189 |     /// Constant value to a empty board (only `0`s).
[INFO] [stdout] 190 |     EMPTY = 0u64,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 191 |     /// Constant value to a full board (only `1`s).
[INFO] [stdout] 192 |     FULL = u64::MAX
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `get_corner_mask` is never used
[INFO] [stdout]    --> src/engine/models/board.rs:202:19
[INFO] [stdout]     |
[INFO] [stdout] 195 | impl Board {
[INFO] [stdout]     | ---------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 202 |     pub(crate) fn get_corner_mask() -> u64 {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_piece` is never used
[INFO] [stdout]    --> src/engine/models/board.rs:487:19
[INFO] [stdout]     |
[INFO] [stdout] 331 | impl Chessboard {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 487 |     pub(crate) fn set_piece(&mut self, color: Color, piece: Piece, bitboard: u64) {
[INFO] [stdout]     |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `get_ucis` is never used
[INFO] [stdout]    --> src/engine/models/move.rs:200:19
[INFO] [stdout]     |
[INFO] [stdout] 104 | impl Move {
[INFO] [stdout]     | --------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 200 |     pub(crate) fn get_ucis() -> Vec<String> {
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/engine/models/move.rs:1:23
[INFO] [stdout]     |
[INFO] [stdout]   1 | #![warn(missing_docs, dead_code)]
[INFO] [stdout]     |                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Zobrist` is never constructed
[INFO] [stdout]  --> src/engine/models/zobrist.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Zobrist {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `compute_castling_rights_hash` and `get_piece_square_index` are never used
[INFO] [stdout]   --> src/engine/models/zobrist.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl Zobrist {
[INFO] [stdout]    | ------------ associated functions in this implementation
[INFO] [stdout] 38 |     pub fn compute_castling_rights_hash(state: State) -> u64 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn get_piece_square_index(color: Color, piece: Piece, square: u8) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `zobrist` is never used
[INFO] [stdout]   --> src/engine/models/zobrist.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn zobrist() -> &'static Zobrist {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `square` is never read
[INFO] [stdout]   --> src/engine/magic/magic.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub(crate) struct Magic {
[INFO] [stdout]    |                   ----- field in this struct
[INFO] [stdout] 13 |     /// Square the piece is on during the move-bitboard generation technique.
[INFO] [stdout] 14 |     pub(crate) square: Square,
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Magic` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/engine/magic/magic.rs:1:23
[INFO] [stdout]    |
[INFO] [stdout]  1 | #![warn(missing_docs, dead_code)]
[INFO] [stdout]    |                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     console::Term::stdout().read_char();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let _ = console::Term::stdout().read_char();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |             write!(writer, "{}", chessboard);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 65 |             let _ = write!(writer, "{}", chessboard);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |             writeln!(writer, "{}", as_064b(chessboard.get_piece(Color::White, Piece::Queen)));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 72 |             let _ = writeln!(writer, "{}", as_064b(chessboard.get_piece(Color::White, Piece::Queen)));
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Color`, `Engine`, `as_064b`, `draw_perft_tree`, `perft_to_file`, `piece::Pawn`, `r#move::Move`, `search_test`, and `utils::string_format::display_bitstring_as_chessboard`
[INFO] [stdout]  --> src/main.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | ...::{as_064b, draw_perft_tree, engine::{Engine, models::{board::{Chessboard, Color}, r#move::Move, piece::Pawn}}, perft, perft_to_file, perft_tree, search_test, utils::string_format::display_bitstring_as_chessboard};
[INFO] [stdout]   |       ^^^^^^^  ^^^^^^^^^^^^^^^           ^^^^^^                               ^^^^^   ^^^^^^^^^^^^  ^^^^^^^^^^^           ^^^^^^^^^^^^^              ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Region`
[INFO] [stdout]  --> src/main.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 | use stats_alloc::{Region, StatsAlloc, INSTRUMENTED_SYSTEM};
[INFO] [stdout]   |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Color`, `Engine`, `as_064b`, `draw_perft_tree`, `perft_to_file`, `piece::Pawn`, `r#move::Move`, `search_test`, and `utils::string_format::display_bitstring_as_chessboard`
[INFO] [stdout]  --> src/main.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | ...::{as_064b, draw_perft_tree, engine::{Engine, models::{board::{Chessboard, Color}, r#move::Move, piece::Pawn}}, perft, perft_to_file, perft_tree, search_test, utils::string_format::display_bitstring_as_chessboard};
[INFO] [stdout]   |       ^^^^^^^  ^^^^^^^^^^^^^^^           ^^^^^^                               ^^^^^   ^^^^^^^^^^^^  ^^^^^^^^^^^           ^^^^^^^^^^^^^              ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Region`
[INFO] [stdout]  --> src/main.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 | use stats_alloc::{Region, StatsAlloc, INSTRUMENTED_SYSTEM};
[INFO] [stdout]   |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]  --> tests/perft.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     use super::*;
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Move`
[INFO] [stdout]  --> src/lib.rs:6:58
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::engine::{models::{board::Chessboard, r#move::{Move, MoveKind}}, movegen::generate_moves, search::Search};
[INFO] [stdout]   |                                                          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils::string_format::display_bitstring_as_chessboard`
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::utils::string_format::display_bitstring_as_chessboard;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `as_064b` and `string_format::display_bitstring_as_chessboard`
[INFO] [stdout]  --> src/engine/models/piece.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 | ...::{as_064b, engine::{magic::Magic, models::{board::{Board, Chessboard, Color, File, Rank}, r#move::MoveKind}}, utils::{bit_operations::{index_to_bitboard, transform}, string_format::display_bitstring_as_chessboard}};
[INFO] [stdout]   |       ^^^^^^^                                                                                                                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::as_064b`
[INFO] [stdout]   --> src/engine/models/board.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::as_064b;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils::string_format::display_bitstring_as_chessboard`
[INFO] [stdout]   --> src/engine/models/board.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::utils::string_format::display_bitstring_as_chessboard;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/engine/models/zobrist.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `piece::Piece`
[INFO] [stdout]  --> src/engine/search/evaluation.rs:3:48
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::engine::models::{board::Chessboard, piece::Piece};
[INFO] [stdout]   |                                                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `string_format::display_bitstring_as_chessboard`
[INFO] [stdout]  --> src/engine/movegen/movegen.rs:7:42
[INFO] [stdout]   |
[INFO] [stdout] 7 |     utils::{bit_operations::pop_1st_bit, string_format::display_bitstring_as_chessboard},
[INFO] [stdout]   |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Search`
[INFO] [stdout]    --> src/lib.rs:190:111
[INFO] [stdout]     |
[INFO] [stdout] 190 |     use crate::engine::{models::{board::{Chessboard, Color, Square, get_piece_index}, piece::Piece}, search::{Search, evaluation::E...
[INFO] [stdout]     |                                                                                                               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `piece_index`
[INFO] [stdout]    --> src/engine/models/board.rs:616:35
[INFO] [stdout]     |
[INFO] [stdout] 616 |     pub fn slide_piece(&mut self, piece_index: usize, from: u64, to: u64, side: Color, _piece: Piece) {
[INFO] [stdout]     |                                   ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_piece_index`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `remaining`
[INFO] [stdout]    --> src/engine/engine.rs:129:17
[INFO] [stdout]     |
[INFO] [stdout] 129 |             let remaining: Vec<&str> = parts.collect();
[INFO] [stdout]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remaining`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Rank` is more private than the item `Square::rank`
[INFO] [stdout]    --> src/engine/models/board.rs:243:5
[INFO] [stdout]     |
[INFO] [stdout] 243 |     pub fn rank(self) -> Rank {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^ method `Square::rank` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `Rank` is only usable at visibility `pub(crate)`
[INFO] [stdout]    --> src/engine/models/board.rs:16:1
[INFO] [stdout]     |
[INFO] [stdout]  16 | pub(crate) enum Rank {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `compute_possible_attacks` is never used
[INFO] [stdout]    --> src/engine/models/piece.rs:135:19
[INFO] [stdout]     |
[INFO] [stdout]  84 | impl Pawn {
[INFO] [stdout]     | --------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 135 |     pub(crate) fn compute_possible_attacks(location: u64, chessboard: &Chessboard, turn_color: Color) -> u64 {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `stalemated` is never read
[INFO] [stdout]   --> src/engine/models/state.rs:31:16
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct State {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub(crate) stalemated: bool,
[INFO] [stdout]    |                ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `State` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/engine/models/state.rs:1:23
[INFO] [stdout]    |
[INFO] [stdout]  1 | #![warn(missing_docs, dead_code)]
[INFO] [stdout]    |                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `clear` is never used
[INFO] [stdout]   --> src/engine/models/board.rs:37:19
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl Rank {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub(crate) fn clear(self) -> u64 {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `EMPTY` and `FULL` are never constructed
[INFO] [stdout]    --> src/engine/models/board.rs:190:5
[INFO] [stdout]     |
[INFO] [stdout] 188 | pub(crate) enum Board {
[INFO] [stdout]     |                 ----- variants in this enum
[INFO] [stdout] 189 |     /// Constant value to a empty board (only `0`s).
[INFO] [stdout] 190 |     EMPTY = 0u64,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 191 |     /// Constant value to a full board (only `1`s).
[INFO] [stdout] 192 |     FULL = u64::MAX
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `get_corner_mask` is never used
[INFO] [stdout]    --> src/engine/models/board.rs:202:19
[INFO] [stdout]     |
[INFO] [stdout] 195 | impl Board {
[INFO] [stdout]     | ---------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 202 |     pub(crate) fn get_corner_mask() -> u64 {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_piece` is never used
[INFO] [stdout]    --> src/engine/models/board.rs:487:19
[INFO] [stdout]     |
[INFO] [stdout] 331 | impl Chessboard {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 487 |     pub(crate) fn set_piece(&mut self, color: Color, piece: Piece, bitboard: u64) {
[INFO] [stdout]     |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `get_ucis` is never used
[INFO] [stdout]    --> src/engine/models/move.rs:200:19
[INFO] [stdout]     |
[INFO] [stdout] 104 | impl Move {
[INFO] [stdout]     | --------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 200 |     pub(crate) fn get_ucis() -> Vec<String> {
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/engine/models/move.rs:1:23
[INFO] [stdout]     |
[INFO] [stdout]   1 | #![warn(missing_docs, dead_code)]
[INFO] [stdout]     |                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Zobrist` is never constructed
[INFO] [stdout]  --> src/engine/models/zobrist.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Zobrist {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `compute_castling_rights_hash` and `get_piece_square_index` are never used
[INFO] [stdout]   --> src/engine/models/zobrist.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl Zobrist {
[INFO] [stdout]    | ------------ associated functions in this implementation
[INFO] [stdout] 38 |     pub fn compute_castling_rights_hash(state: State) -> u64 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn get_piece_square_index(color: Color, piece: Piece, square: u8) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `zobrist` is never used
[INFO] [stdout]   --> src/engine/models/zobrist.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn zobrist() -> &'static Zobrist {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `square` is never read
[INFO] [stdout]   --> src/engine/magic/magic.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub(crate) struct Magic {
[INFO] [stdout]    |                   ----- field in this struct
[INFO] [stdout] 13 |     /// Square the piece is on during the move-bitboard generation technique.
[INFO] [stdout] 14 |     pub(crate) square: Square,
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Magic` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/engine/magic/magic.rs:1:23
[INFO] [stdout]    |
[INFO] [stdout]  1 | #![warn(missing_docs, dead_code)]
[INFO] [stdout]    |                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     console::Term::stdout().read_char();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let _ = console::Term::stdout().read_char();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |             write!(writer, "{}", chessboard);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 65 |             let _ = write!(writer, "{}", chessboard);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |             writeln!(writer, "{}", as_064b(chessboard.get_piece(Color::White, Piece::Queen)));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 72 |             let _ = writeln!(writer, "{}", as_064b(chessboard.get_piece(Color::White, Piece::Queen)));
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 53.16s
[INFO] running `Command { std: "docker" "inspect" "403e61f7b54ff4351bde9d833fdd4bbde9c89f863b801f1bf028145ddb533d4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "403e61f7b54ff4351bde9d833fdd4bbde9c89f863b801f1bf028145ddb533d4c", kill_on_drop: false }`
[INFO] [stdout] 403e61f7b54ff4351bde9d833fdd4bbde9c89f863b801f1bf028145ddb533d4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6ffb18df1212cc869da5e2564ce5df2591073f9783b00da09a361214d9a13c77
[INFO] running `Command { std: "docker" "start" "-a" "6ffb18df1212cc869da5e2564ce5df2591073f9783b00da09a361214d9a13c77", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Move`
[INFO] [stderr]  --> src/lib.rs:6:58
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::engine::{models::{board::Chessboard, r#move::{Move, MoveKind}}, movegen::generate_moves, search::Search};
[INFO] [stderr]   |                                                          ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::utils::string_format::display_bitstring_as_chessboard`
[INFO] [stderr]  --> src/lib.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use crate::utils::string_format::display_bitstring_as_chessboard;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `as_064b` and `string_format::display_bitstring_as_chessboard`
[INFO] [stderr]  --> src/engine/models/piece.rs:8:13
[INFO] [stderr]   |
[INFO] [stderr] 8 | ...::{as_064b, engine::{magic::Magic, models::{board::{Board, Chessboard, Color, File, Rank}, r#move::MoveKind}}, utils::{bit_operations::{index_to_bitboard, transform}, string_format::display_bitstring_as_chessboard}};
[INFO] [stderr]   |       ^^^^^^^                                                                                                                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::as_064b`
[INFO] [stderr]   --> src/engine/models/board.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use crate::as_064b;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::utils::string_format::display_bitstring_as_chessboard`
[INFO] [stderr]   --> src/engine/models/board.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use crate::utils::string_format::display_bitstring_as_chessboard;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]  --> src/engine/models/zobrist.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `piece::Piece`
[INFO] [stderr]  --> src/engine/search/evaluation.rs:3:48
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::engine::models::{board::Chessboard, piece::Piece};
[INFO] [stderr]   |                                                ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `string_format::display_bitstring_as_chessboard`
[INFO] [stderr]  --> src/engine/movegen/movegen.rs:7:42
[INFO] [stderr]   |
[INFO] [stderr] 7 |     utils::{bit_operations::pop_1st_bit, string_format::display_bitstring_as_chessboard},
[INFO] [stderr]   |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `piece_index`
[INFO] [stderr]    --> src/engine/models/board.rs:616:35
[INFO] [stderr]     |
[INFO] [stderr] 616 |     pub fn slide_piece(&mut self, piece_index: usize, from: u64, to: u64, side: Color, _piece: Piece) {
[INFO] [stderr]     |                                   ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_piece_index`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `remaining`
[INFO] [stderr]    --> src/engine/engine.rs:129:17
[INFO] [stderr]     |
[INFO] [stderr] 129 |             let remaining: Vec<&str> = parts.collect();
[INFO] [stderr]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remaining`
[INFO] [stderr] 
[INFO] [stderr] warning: type `Rank` is more private than the item `Square::rank`
[INFO] [stderr]    --> src/engine/models/board.rs:243:5
[INFO] [stderr]     |
[INFO] [stderr] 243 |     pub fn rank(self) -> Rank {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^ method `Square::rank` is reachable at visibility `pub`
[INFO] [stderr]     |
[INFO] [stderr] note: but type `Rank` is only usable at visibility `pub(crate)`
[INFO] [stderr]    --> src/engine/models/board.rs:16:1
[INFO] [stderr]     |
[INFO] [stderr]  16 | pub(crate) enum Rank {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `compute_possible_attacks` is never used
[INFO] [stderr]    --> src/engine/models/piece.rs:135:19
[INFO] [stderr]     |
[INFO] [stderr]  84 | impl Pawn {
[INFO] [stderr]     | --------- associated function in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 135 |     pub(crate) fn compute_possible_attacks(location: u64, chessboard: &Chessboard, turn_color: Color) -> u64 {
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `stalemated` is never read
[INFO] [stderr]   --> src/engine/models/state.rs:31:16
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub struct State {
[INFO] [stderr]    |            ----- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 31 |     pub(crate) stalemated: bool,
[INFO] [stderr]    |                ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `State` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/engine/models/state.rs:1:23
[INFO] [stderr]    |
[INFO] [stderr]  1 | #![warn(missing_docs, dead_code)]
[INFO] [stderr]    |                       ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `clear` is never used
[INFO] [stderr]   --> src/engine/models/board.rs:37:19
[INFO] [stderr]    |
[INFO] [stderr] 20 | impl Rank {
[INFO] [stderr]    | --------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 37 |     pub(crate) fn clear(self) -> u64 {
[INFO] [stderr]    |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variants `EMPTY` and `FULL` are never constructed
[INFO] [stderr]    --> src/engine/models/board.rs:190:5
[INFO] [stderr]     |
[INFO] [stderr] 188 | pub(crate) enum Board {
[INFO] [stderr]     |                 ----- variants in this enum
[INFO] [stderr] 189 |     /// Constant value to a empty board (only `0`s).
[INFO] [stderr] 190 |     EMPTY = 0u64,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr] 191 |     /// Constant value to a full board (only `1`s).
[INFO] [stderr] 192 |     FULL = u64::MAX
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `get_corner_mask` is never used
[INFO] [stderr]    --> src/engine/models/board.rs:202:19
[INFO] [stderr]     |
[INFO] [stderr] 195 | impl Board {
[INFO] [stderr]     | ---------- associated function in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 202 |     pub(crate) fn get_corner_mask() -> u64 {
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `set_piece` is never used
[INFO] [stderr]    --> src/engine/models/board.rs:487:19
[INFO] [stderr]     |
[INFO] [stderr] 331 | impl Chessboard {
[INFO] [stderr]     | --------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 487 |     pub(crate) fn set_piece(&mut self, color: Color, piece: Piece, bitboard: u64) {
[INFO] [stderr]     |                   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `get_ucis` is never used
[INFO] [stderr]    --> src/engine/models/move.rs:200:19
[INFO] [stderr]     |
[INFO] [stderr] 104 | impl Move {
[INFO] [stderr]     | --------- associated function in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 200 |     pub(crate) fn get_ucis() -> Vec<String> {
[INFO] [stderr]     |                   ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/engine/models/move.rs:1:23
[INFO] [stderr]     |
[INFO] [stderr]   1 | #![warn(missing_docs, dead_code)]
[INFO] [stderr]     |                       ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Zobrist` is never constructed
[INFO] [stderr]  --> src/engine/models/zobrist.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | struct Zobrist {
[INFO] [stderr]   |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `compute_castling_rights_hash` and `get_piece_square_index` are never used
[INFO] [stderr]   --> src/engine/models/zobrist.rs:38:12
[INFO] [stderr]    |
[INFO] [stderr] 37 | impl Zobrist {
[INFO] [stderr]    | ------------ associated functions in this implementation
[INFO] [stderr] 38 |     pub fn compute_castling_rights_hash(state: State) -> u64 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 57 |     pub fn get_piece_square_index(color: Color, piece: Piece, square: u8) -> usize {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `zobrist` is never used
[INFO] [stderr]   --> src/engine/models/zobrist.rs:63:4
[INFO] [stderr]    |
[INFO] [stderr] 63 | fn zobrist() -> &'static Zobrist {
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `square` is never read
[INFO] [stderr]   --> src/engine/magic/magic.rs:14:16
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub(crate) struct Magic {
[INFO] [stderr]    |                   ----- field in this struct
[INFO] [stderr] 13 |     /// Square the piece is on during the move-bitboard generation technique.
[INFO] [stderr] 14 |     pub(crate) square: Square,
[INFO] [stderr]    |                ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Magic` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/engine/magic/magic.rs:1:23
[INFO] [stderr]    |
[INFO] [stderr]  1 | #![warn(missing_docs, dead_code)]
[INFO] [stderr]    |                       ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/lib.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     console::Term::stdout().read_char();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let _ = console::Term::stdout().read_char();
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/lib.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 |             write!(writer, "{}", chessboard);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 65 |             let _ = write!(writer, "{}", chessboard);
[INFO] [stderr]    |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/lib.rs:72:13
[INFO] [stderr]    |
[INFO] [stderr] 72 |             writeln!(writer, "{}", as_064b(chessboard.get_piece(Color::White, Piece::Queen)));
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 72 |             let _ = writeln!(writer, "{}", as_064b(chessboard.get_piece(Color::White, Piece::Queen)));
[INFO] [stderr]    |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `chess-engine` (lib) generated 25 warnings (run `cargo fix --lib -p chess-engine` to apply 10 suggestions)
[INFO] [stderr] warning: unused import: `Search`
[INFO] [stderr]    --> src/lib.rs:190:111
[INFO] [stderr]     |
[INFO] [stderr] 190 |     use crate::engine::{models::{board::{Chessboard, Color, Square, get_piece_index}, piece::Piece}, search::{Search, evaluation::E...
[INFO] [stderr]     |                                                                                                               ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]  --> tests/perft.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     use super::*;
[INFO] [stderr]   |         ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Color`, `Engine`, `as_064b`, `draw_perft_tree`, `perft_to_file`, `piece::Pawn`, `r#move::Move`, `search_test`, and `utils::string_format::display_bitstring_as_chessboard`
[INFO] [stderr]  --> src/main.rs:6:11
[INFO] [stderr]   |
[INFO] [stderr] 6 | ...::{as_064b, draw_perft_tree, engine::{Engine, models::{board::{Chessboard, Color}, r#move::Move, piece::Pawn}}, perft, perft_to_file, perft_tree, search_test, utils::string_format::display_bitstring_as_chessboard};
[INFO] [stderr]   |       ^^^^^^^  ^^^^^^^^^^^^^^^           ^^^^^^                               ^^^^^   ^^^^^^^^^^^^  ^^^^^^^^^^^           ^^^^^^^^^^^^^              ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Region`
[INFO] [stderr]  --> src/main.rs:7:19
[INFO] [stderr]   |
[INFO] [stderr] 7 | use stats_alloc::{Region, StatsAlloc, INSTRUMENTED_SYSTEM};
[INFO] [stderr]   |                   ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `chess-engine` (lib test) generated 26 warnings (25 duplicates) (run `cargo fix --lib -p chess-engine --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `chess-engine` (test "tests") generated 1 warning (run `cargo fix --test "tests" -p chess-engine` to apply 1 suggestion)
[INFO] [stderr] warning: `chess-engine` (bin "chess-engine" test) generated 2 warnings (run `cargo fix --bin "chess-engine" -p chess-engine --tests` to apply 2 suggestions)
[INFO] [stderr] warning: `chess-engine` (bin "chess-engine") generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lib-586d21c03a013db9)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::convert_square ... ok
[INFO] [stdout] test tests::evaluation ... ok
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/chess_engine-332a15de2e7931ea)
[INFO] [stdout] test tests::slide_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running tests/perft.rs (/opt/rustwide/target/debug/deps/tests-3ce9f328f8d26ef2)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stderr] 
[INFO] [stderr] thread 'tests::test_custom_wtf_is_going_on' (23) has overflowed its stack
[INFO] [stderr] fatal runtime error: stack overflow, aborting
[INFO] [stderr] error: test failed, to rerun pass `--test tests`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/tests-3ce9f328f8d26ef2` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "6ffb18df1212cc869da5e2564ce5df2591073f9783b00da09a361214d9a13c77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ffb18df1212cc869da5e2564ce5df2591073f9783b00da09a361214d9a13c77", kill_on_drop: false }`
[INFO] [stdout] 6ffb18df1212cc869da5e2564ce5df2591073f9783b00da09a361214d9a13c77
