[INFO] cloning repository https://github.com/sgibson21/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/sgibson21/chess-engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsgibson21%2Fchess-engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsgibson21%2Fchess-engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 40142e292e264db25ef470948697bbf5bc13b766
[INFO] testing sgibson21/chess-engine against master#ebf0cf75d368c035f4c7e7246d203bd469ee4a51 for pr-137940-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsgibson21%2Fchess-engine" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sgibson21/chess-engine on toolchain ebf0cf75d368c035f4c7e7246d203bd469ee4a51
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sgibson21/chess-engine
[INFO] finished tweaking git repo https://github.com/sgibson21/chess-engine
[INFO] tweaked toml for git repo https://github.com/sgibson21/chess-engine written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sgibson21/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" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a45b0e12f415b0aa8e55126cb3e4a0ea52d4cb450c07dee7a001eeb8155e32f7
[INFO] running `Command { std: "docker" "start" "-a" "a45b0e12f415b0aa8e55126cb3e4a0ea52d4cb450c07dee7a001eeb8155e32f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a45b0e12f415b0aa8e55126cb3e4a0ea52d4cb450c07dee7a001eeb8155e32f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a45b0e12f415b0aa8e55126cb3e4a0ea52d4cb450c07dee7a001eeb8155e32f7", kill_on_drop: false }`
[INFO] [stdout] a45b0e12f415b0aa8e55126cb3e4a0ea52d4cb450c07dee7a001eeb8155e32f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eba1e87d633dc39f44c5f60a387e0deffe94764fcf6535f319d9db7f7e0da603
[INFO] running `Command { std: "docker" "start" "-a" "eba1e87d633dc39f44c5f60a387e0deffe94764fcf6535f319d9db7f7e0da603", kill_on_drop: false }`
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[INFO] [stdout] warning: unused variable: `depth`
[INFO] [stdout]    --> src/evaluator.rs:159:28
[INFO] [stdout]     |
[INFO] [stdout] 159 | pub fn evaluate(fen: &str, depth: u8) -> f32 {
[INFO] [stdout]     |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_depth`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `half_move_clock` and `full_moves` are never read
[INFO] [stdout]   --> src/position.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Position {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub half_move_clock: usize,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 25 |
[INFO] [stdout] 26 |     pub full_moves: usize,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Position` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/position.rs:63:8
[INFO] [stdout]     |
[INFO] [stdout] 39  | impl Position {
[INFO] [stdout]     | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 63  |     fn get_white_pieces_mut(&mut self) -> &mut BitBoard {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 71  |     fn get_black_pieces_mut(&mut self) -> &mut BitBoard {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79  |     fn get_pawns_mut(&mut self) -> &mut BitBoard {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 87  |     fn get_bishops_mut(&mut self) -> &mut BitBoard {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 95  |     fn get_knights_mut(&mut self) -> &mut BitBoard {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 103 |     fn get_rooks_mut(&mut self) -> &mut BitBoard {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 111 |     fn get_queens_mut(&mut self) -> &mut BitBoard {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |     fn get_kings_mut(&mut self) -> &mut BitBoard {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 220 |     pub fn make_move(&mut self, from: i32, to: i32) -> Result<i32, String> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 238 |     pub fn get_side(&self, index: i32) -> Option<Side> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 245 |     pub fn get_piece(&self, index: i32) -> Option<Piece> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 273 |     fn remove_piece(&mut self, index: i32) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 284 |     fn place_piece(&mut self, index: i32, side: Side, piece: Piece) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 309 |     fn get_side_bitboard(&mut self, index: i32) -> &mut BitBoard {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 313 |     fn get_piece_bitboard(&mut self, index: i32) -> Option<&mut BitBoard> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `count`, `set_index`, `unset_index`, and `format` are never used
[INFO] [stdout]   --> src/bitboard.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl BitBoard {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn count(self) -> u32 {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn set_index(&mut self, index: u8) -> BitBoard {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     pub fn unset_index(&mut self, index: u8) -> BitBoard {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 |     pub fn format(self) -> String {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/playground.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub enum SquareLabels {
[INFO] [stdout]    |          ------------ variants in this enum
[INFO] [stdout] 78 |     None,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 79 |     A1, B1, C1, D1, E1, F1, G1, H1,
[INFO] [stdout]    |         ^^  ^^  ^^  ^^  ^^  ^^  ^^
[INFO] [stdout] 80 |     A2, B2, C2, D2, E2, F2, G2, H2,
[INFO] [stdout]    |     ^^  ^^  ^^  ^^  ^^  ^^  ^^  ^^
[INFO] [stdout] 81 |     A3, B3, C3, D3, E3, F3, G3, H3,
[INFO] [stdout]    |     ^^  ^^  ^^  ^^  ^^  ^^  ^^  ^^
[INFO] [stdout] 82 |     A4, B4, C4, D4, E4, F4, G4, H4,
[INFO] [stdout]    |     ^^  ^^  ^^  ^^  ^^  ^^  ^^  ^^
[INFO] [stdout] 83 |     A5, B5, C5, D5, E5, F5, G5, H5,
[INFO] [stdout]    |     ^^  ^^  ^^  ^^  ^^  ^^  ^^  ^^
[INFO] [stdout] 84 |     A6, B6, C6, D6, E6, F6, G6, H6,
[INFO] [stdout]    |     ^^  ^^  ^^  ^^  ^^  ^^  ^^  ^^
[INFO] [stdout] 85 |     A7, B7, C7, D7, E7, F7, G7, H7,
[INFO] [stdout]    |     ^^  ^^  ^^  ^^  ^^  ^^  ^^  ^^
[INFO] [stdout] 86 |     A8, B8, C8, D8, E8, F8, G8, H8,
[INFO] [stdout]    |     ^^  ^^  ^^  ^^  ^^  ^^  ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SquareLabels` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `P` is never constructed
[INFO] [stdout]   --> src/board_navigator/board_navigator.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub enum Piece {
[INFO] [stdout]    |          ----- variant in this enum
[INFO] [stdout] 13 |     P,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Piece` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `en_passant` is never read
[INFO] [stdout]   --> src/board_navigator/board_navigator.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub struct Move {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 50 |     en_passant: bool, // just a bool, as the Position holds the en_passant_target
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Move` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_move` is never used
[INFO] [stdout]    --> src/board_navigator/board_navigator.rs:120:8
[INFO] [stdout]     |
[INFO] [stdout] 120 | pub fn make_move(position: &mut Position, mv: &Move) -> /*Position*/ () {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `s`, `se`, and `sw` are never used
[INFO] [stdout]   --> src/board_navigator/coord.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Coord {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn s(&self, direction: i32, count: i32) -> Option<Coord> {
[INFO] [stdout]    |            ^
[INFO] [stdout] ...
[INFO] [stdout] 67 |     pub fn se(&self, direction: i32, count: i32) -> Option<Coord> {
[INFO] [stdout]    |            ^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |     pub fn sw(&self, direction: i32, count: i32) -> Option<Coord> {
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/board_navigator/board_navigator.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 126 |         position.make_move(from, to);
[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)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 126 |         let _ = position.make_move(from, to);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 07s
[INFO] running `Command { std: "docker" "inspect" "eba1e87d633dc39f44c5f60a387e0deffe94764fcf6535f319d9db7f7e0da603", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eba1e87d633dc39f44c5f60a387e0deffe94764fcf6535f319d9db7f7e0da603", kill_on_drop: false }`
[INFO] [stdout] eba1e87d633dc39f44c5f60a387e0deffe94764fcf6535f319d9db7f7e0da603
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3dd6ae9d8c5944f4753e1d06a27663f6a07fd8d8bda2657fa0f5b40c31fff9c5
[INFO] running `Command { std: "docker" "start" "-a" "3dd6ae9d8c5944f4753e1d06a27663f6a07fd8d8bda2657fa0f5b40c31fff9c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling chess-engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `fen_to_asci_board`
[INFO] [stdout]    --> src/position.rs:397:32
[INFO] [stdout]     |
[INFO] [stdout] 397 |     use crate::fen::{from_fen, fen_to_asci_board};
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `depth`
[INFO] [stdout]    --> src/evaluator.rs:159:28
[INFO] [stdout]     |
[INFO] [stdout] 159 | pub fn evaluate(fen: &str, depth: u8) -> f32 {
[INFO] [stdout]     |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_depth`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `half_move_clock` and `full_moves` are never read
[INFO] [stdout]   --> src/position.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Position {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub half_move_clock: usize,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 25 |
[INFO] [stdout] 26 |     pub full_moves: usize,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Position` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `count` and `format` are never used
[INFO] [stdout]   --> src/bitboard.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl BitBoard {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn count(self) -> u32 {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 |     pub fn format(self) -> String {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/playground.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub enum SquareLabels {
[INFO] [stdout]    |          ------------ variants in this enum
[INFO] [stdout] 78 |     None,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 79 |     A1, B1, C1, D1, E1, F1, G1, H1,
[INFO] [stdout]    |         ^^  ^^  ^^  ^^  ^^  ^^  ^^
[INFO] [stdout] 80 |     A2, B2, C2, D2, E2, F2, G2, H2,
[INFO] [stdout]    |     ^^  ^^  ^^  ^^  ^^  ^^  ^^  ^^
[INFO] [stdout] 81 |     A3, B3, C3, D3, E3, F3, G3, H3,
[INFO] [stdout]    |     ^^  ^^  ^^  ^^  ^^  ^^  ^^  ^^
[INFO] [stdout] 82 |     A4, B4, C4, D4, E4, F4, G4, H4,
[INFO] [stdout]    |     ^^  ^^  ^^  ^^  ^^  ^^  ^^  ^^
[INFO] [stdout] 83 |     A5, B5, C5, D5, E5, F5, G5, H5,
[INFO] [stdout]    |     ^^  ^^  ^^  ^^  ^^  ^^  ^^  ^^
[INFO] [stdout] 84 |     A6, B6, C6, D6, E6, F6, G6, H6,
[INFO] [stdout]    |     ^^  ^^  ^^  ^^  ^^  ^^  ^^  ^^
[INFO] [stdout] 85 |     A7, B7, C7, D7, E7, F7, G7, H7,
[INFO] [stdout]    |     ^^  ^^  ^^  ^^  ^^  ^^  ^^  ^^
[INFO] [stdout] 86 |     A8, B8, C8, D8, E8, F8, G8, H8,
[INFO] [stdout]    |     ^^  ^^  ^^  ^^  ^^  ^^  ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SquareLabels` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `en_passant` is never read
[INFO] [stdout]   --> src/board_navigator/board_navigator.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub struct Move {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 50 |     en_passant: bool, // just a bool, as the Position holds the en_passant_target
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Move` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_move` is never used
[INFO] [stdout]    --> src/board_navigator/board_navigator.rs:120:8
[INFO] [stdout]     |
[INFO] [stdout] 120 | pub fn make_move(position: &mut Position, mv: &Move) -> /*Position*/ () {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `s`, `se`, and `sw` are never used
[INFO] [stdout]   --> src/board_navigator/coord.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Coord {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn s(&self, direction: i32, count: i32) -> Option<Coord> {
[INFO] [stdout]    |            ^
[INFO] [stdout] ...
[INFO] [stdout] 67 |     pub fn se(&self, direction: i32, count: i32) -> Option<Coord> {
[INFO] [stdout]    |            ^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |     pub fn sw(&self, direction: i32, count: i32) -> Option<Coord> {
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/board_navigator/board_navigator.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 126 |         position.make_move(from, to);
[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)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 126 |         let _ = position.make_move(from, to);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `Command { std: "docker" "inspect" "3dd6ae9d8c5944f4753e1d06a27663f6a07fd8d8bda2657fa0f5b40c31fff9c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dd6ae9d8c5944f4753e1d06a27663f6a07fd8d8bda2657fa0f5b40c31fff9c5", kill_on_drop: false }`
[INFO] [stdout] 3dd6ae9d8c5944f4753e1d06a27663f6a07fd8d8bda2657fa0f5b40c31fff9c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6f11ca89904fce9c78dd85c916567a51b40f4db896b0e064d19c99da8d503eed
[INFO] running `Command { std: "docker" "start" "-a" "6f11ca89904fce9c78dd85c916567a51b40f4db896b0e064d19c99da8d503eed", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `fen_to_asci_board`
[INFO] [stderr]    --> src/position.rs:397:32
[INFO] [stderr]     |
[INFO] [stderr] 397 |     use crate::fen::{from_fen, fen_to_asci_board};
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `depth`
[INFO] [stderr]    --> src/evaluator.rs:159:28
[INFO] [stderr]     |
[INFO] [stderr] 159 | pub fn evaluate(fen: &str, depth: u8) -> f32 {
[INFO] [stderr]     |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_depth`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `half_move_clock` and `full_moves` are never read
[INFO] [stderr]   --> src/position.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub struct Position {
[INFO] [stderr]    |            -------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 24 |     pub half_move_clock: usize,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^
[INFO] [stderr] 25 |
[INFO] [stderr] 26 |     pub full_moves: usize,
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Position` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `count` and `format` are never used
[INFO] [stderr]   --> src/bitboard.rs:52:12
[INFO] [stderr]    |
[INFO] [stderr] 23 | impl BitBoard {
[INFO] [stderr]    | ------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 52 |     pub fn count(self) -> u32 {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 86 |     pub fn format(self) -> String {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple variants are never constructed
[INFO] [stderr]   --> src/playground.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 77 | pub enum SquareLabels {
[INFO] [stderr]    |          ------------ variants in this enum
[INFO] [stderr] 78 |     None,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 79 |     A1, B1, C1, D1, E1, F1, G1, H1,
[INFO] [stderr]    |         ^^  ^^  ^^  ^^  ^^  ^^  ^^
[INFO] [stderr] 80 |     A2, B2, C2, D2, E2, F2, G2, H2,
[INFO] [stderr]    |     ^^  ^^  ^^  ^^  ^^  ^^  ^^  ^^
[INFO] [stderr] 81 |     A3, B3, C3, D3, E3, F3, G3, H3,
[INFO] [stderr]    |     ^^  ^^  ^^  ^^  ^^  ^^  ^^  ^^
[INFO] [stderr] 82 |     A4, B4, C4, D4, E4, F4, G4, H4,
[INFO] [stderr]    |     ^^  ^^  ^^  ^^  ^^  ^^  ^^  ^^
[INFO] [stderr] 83 |     A5, B5, C5, D5, E5, F5, G5, H5,
[INFO] [stderr]    |     ^^  ^^  ^^  ^^  ^^  ^^  ^^  ^^
[INFO] [stderr] 84 |     A6, B6, C6, D6, E6, F6, G6, H6,
[INFO] [stderr]    |     ^^  ^^  ^^  ^^  ^^  ^^  ^^  ^^
[INFO] [stderr] 85 |     A7, B7, C7, D7, E7, F7, G7, H7,
[INFO] [stderr]    |     ^^  ^^  ^^  ^^  ^^  ^^  ^^  ^^
[INFO] [stderr] 86 |     A8, B8, C8, D8, E8, F8, G8, H8,
[INFO] [stderr]    |     ^^  ^^  ^^  ^^  ^^  ^^  ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `SquareLabels` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `en_passant` is never read
[INFO] [stderr]   --> src/board_navigator/board_navigator.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 46 | pub struct Move {
[INFO] [stderr]    |            ---- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 50 |     en_passant: bool, // just a bool, as the Position holds the en_passant_target
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Move` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: function `make_move` is never used
[INFO] [stderr]    --> src/board_navigator/board_navigator.rs:120:8
[INFO] [stderr]     |
[INFO] [stderr] 120 | pub fn make_move(position: &mut Position, mv: &Move) -> /*Position*/ () {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `s`, `se`, and `sw` are never used
[INFO] [stderr]   --> src/board_navigator/coord.rs:32:12
[INFO] [stderr]    |
[INFO] [stderr] 18 | impl Coord {
[INFO] [stderr]    | ---------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 32 |     pub fn s(&self, direction: i32, count: i32) -> Option<Coord> {
[INFO] [stderr]    |            ^
[INFO] [stderr] ...
[INFO] [stderr] 67 |     pub fn se(&self, direction: i32, count: i32) -> Option<Coord> {
[INFO] [stderr]    |            ^^
[INFO] [stderr] ...
[INFO] [stderr] 74 |     pub fn sw(&self, direction: i32, count: i32) -> Option<Coord> {
[INFO] [stderr]    |            ^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/board_navigator/board_navigator.rs:126:9
[INFO] [stderr]     |
[INFO] [stderr] 126 |         position.make_move(from, to);
[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)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 126 |         let _ = position.make_move(from, to);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `chess-engine` (bin "chess-engine" test) generated 9 warnings (run `cargo fix --bin "chess-engine" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/chess_engine-ba05b54682484a5d)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test bitboard::tests::set_index_1 ... ok
[INFO] [stdout] test bitboard::tests::set_index_2 ... ok
[INFO] [stdout] test bitboard::tests::unset_index_1 ... ok
[INFO] [stdout] test board_navigator::board_scout::tests::is_attacked_by_pawn ... ok
[INFO] [stdout] test bitboard::tests::unset_index_3 ... ok
[INFO] [stdout] test board_navigator::board_scout::tests::is_attacked_by_ranged_straight_n ... ok
[INFO] [stdout] test board_navigator::board_scout::tests::is_not_attacked_by_pawn_out_of_range ... ok
[INFO] [stdout] test board_navigator::board_scout::tests::is_not_attacked_by_ranged_straight_n_due_to_block ... ok
[INFO] [stdout] test position::tests::make_move_fail ... ok
[INFO] [stdout] test position::tests::make_move_success ... ok
[INFO] [stdout] test bitboard::tests::unset_index_2 ... ok
[INFO] [stdout] test position::tests::place_piece ... ok
[INFO] [stdout] test position::tests::remove_piece ... ok
[INFO] [stdout] test board_navigator::board_scout::tests::is_attacked_by_ranged_diagonal_ne ... ok
[INFO] [stdout] test board_navigator::coord::to_index ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6f11ca89904fce9c78dd85c916567a51b40f4db896b0e064d19c99da8d503eed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f11ca89904fce9c78dd85c916567a51b40f4db896b0e064d19c99da8d503eed", kill_on_drop: false }`
[INFO] [stdout] 6f11ca89904fce9c78dd85c916567a51b40f4db896b0e064d19c99da8d503eed