[INFO] cloning repository https://github.com/Amarantheum/AmarChess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Amarantheum/AmarChess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmarantheum%2FAmarChess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmarantheum%2FAmarChess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b662fcff8424a756a0112dcaf1b629cc359927fa
[INFO] testing Amarantheum/AmarChess against 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmarantheum%2FAmarChess" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Amarantheum/AmarChess on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Amarantheum/AmarChess
[INFO] finished tweaking git repo https://github.com/Amarantheum/AmarChess
[INFO] tweaked toml for git repo https://github.com/Amarantheum/AmarChess written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Amarantheum/AmarChess 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded chess v3.2.0
[INFO] [stderr]   Downloaded fltk-derive v1.0.8
[INFO] [stderr]   Downloaded fltk v1.0.8
[INFO] [stderr]   Downloaded fltk-sys v1.0.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60fdfaa204db92e2156501321e4cad01ab8add656e1a7c8852b4438c1a2a4005
[INFO] running `Command { std: "docker" "start" "-a" "60fdfaa204db92e2156501321e4cad01ab8add656e1a7c8852b4438c1a2a4005", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60fdfaa204db92e2156501321e4cad01ab8add656e1a7c8852b4438c1a2a4005", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60fdfaa204db92e2156501321e4cad01ab8add656e1a7c8852b4438c1a2a4005", kill_on_drop: false }`
[INFO] [stdout] 60fdfaa204db92e2156501321e4cad01ab8add656e1a7c8852b4438c1a2a4005
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55816bf703eaa43fd1bc70ffc910e0b09cf4f30df947a8be6bd87492f2e825d3
[INFO] running `Command { std: "docker" "start" "-a" "55816bf703eaa43fd1bc70ffc910e0b09cf4f30df947a8be6bd87492f2e825d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling object v0.23.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.19
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling backtrace v0.3.58
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling fltk-sys v1.0.8
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling addr2line v0.14.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling fltk-derive v1.0.8
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling chess v3.2.0
[INFO] [stderr]    Compiling fltk v1.0.8
[INFO] [stderr]    Compiling amar_chess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `app::Sender`
[INFO] [stdout]  --> src/main.rs:2:73
[INFO] [stdout]   |
[INFO] [stdout] 2 | use fltk::{button::Button, enums::Event, frame::Frame, image::SvgImage, app::Sender};
[INFO] [stdout]   |                                                                         ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::engine::*`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::engine::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`
[INFO] [stdout]  --> src/engine/mod.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::{Arc, Mutex};
[INFO] [stdout]   |                 ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `counts::*`
[INFO] [stdout]  --> src/engine/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use counts::*;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `negamax::*`
[INFO] [stdout]  --> src/engine/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use negamax::*;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`
[INFO] [stdout]  --> src/engine/negamax.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::{Arc, Mutex};
[INFO] [stdout]   |                 ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `min`
[INFO] [stdout]  --> src/engine/negamax.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::cmp::{max, min};
[INFO] [stdout]   |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`
[INFO] [stdout]  --> src/engine/counts.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::{Arc, Mutex};
[INFO] [stdout]   |                 ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude`
[INFO] [stdout]  --> src/engine/counts.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rayon::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude`
[INFO] [stdout]  --> src/engine/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rayon::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `eg_factor`
[INFO] [stdout]   --> src/engine/negamax.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let eg_factor = (board.combined() ^ board.pieces(Piece::Pawn)).popcnt(); // 0 - 16 (or more)
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_eg_factor`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `white_pawns_combined` is assigned to, but never used
[INFO] [stdout]   --> src/engine/negamax.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let mut white_pawns_combined = 0;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_white_pawns_combined` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `row_7`
[INFO] [stdout]   --> src/engine/negamax.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let row_7 = (white_pawns.0 >> 56 & 255) as u8;
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_row_7`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `row_6`
[INFO] [stdout]   --> src/engine/negamax.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let row_6 = (white_pawns.0 >> 48 & 255) as u8;
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_row_6`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `row_5`
[INFO] [stdout]   --> src/engine/negamax.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let row_5 = (white_pawns.0 >> 40 & 255) as u8;
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_row_5`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `row_4`
[INFO] [stdout]   --> src/engine/negamax.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let row_4 = (white_pawns.0 >> 32 & 255) as u8;
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_row_4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `row_3`
[INFO] [stdout]   --> src/engine/negamax.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let row_3 = (white_pawns.0 >> 24 & 255) as u8;
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_row_3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `row_2`
[INFO] [stdout]   --> src/engine/negamax.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let row_2 = (white_pawns.0 >> 16 & 255) as u8;
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_row_2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:168:17
[INFO] [stdout]     |
[INFO] [stdout] 168 |                 _ => unimplemented!("unimplemented event")
[INFO] [stdout]     |                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/main.rs:146:37
[INFO] [stdout]     |
[INFO] [stdout] 146 |                 SquareMessage::Drag(s) => {
[INFO] [stdout]     |                                     ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/main.rs:157:41
[INFO] [stdout]     |
[INFO] [stdout] 157 |                 SquareMessage::Released(s) => {
[INFO] [stdout]     |                                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/main.rs:54:31
[INFO] [stdout]    |
[INFO] [stdout] 54 |     button.set_callback(move |b| {
[INFO] [stdout]    |                               ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `evaluate_board` is never used
[INFO] [stdout]   --> src/engine/mod.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn evaluate_board(board: &Board, move_color: bool) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_piece_values` is never used
[INFO] [stdout]   --> src/engine/mod.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn get_piece_values(board: &Board, color: Color) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_best_move_iterative` is never used
[INFO] [stdout]   --> src/engine/mod.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn find_best_move_iterative(board: Board, depth: usize, move_color: bool) -> ChessMove {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_best_move_single` is never used
[INFO] [stdout]    --> src/engine/mod.rs:120:8
[INFO] [stdout]     |
[INFO] [stdout] 120 | pub fn find_best_move_single(board: Board, depth: usize, move_color: bool) -> ChessMove { 
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_best_move_sorted_moves` is never used
[INFO] [stdout]    --> src/engine/mod.rs:182:4
[INFO] [stdout]     |
[INFO] [stdout] 182 | fn find_best_move_sorted_moves(board: Board, depth: usize, move_color: bool, moves: Vec<ChessMove>) -> Vec<ChessMove> { 
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `evaluate_board_improved` is never used
[INFO] [stdout]   --> src/engine/negamax.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn evaluate_board_improved(board: &Board) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `negamax` is never used
[INFO] [stdout]   --> src/engine/negamax.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn negamax(board: Board, depth: i8, mut alpha: i32, beta: i32, color: i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `negamax_transposition` is never used
[INFO] [stdout]   --> src/engine/negamax.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 | pub fn negamax_transposition(board: &Board, depth: i8, mut alpha: i32, beta: i32, color: i32, table: &mut HashMap<u64, (i32, i8)>) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_best_move_nega` is never used
[INFO] [stdout]    --> src/engine/negamax.rs:187:8
[INFO] [stdout]     |
[INFO] [stdout] 187 | pub fn find_best_move_nega(board: Board, depth: i8) -> ChessMove {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_best_move_nega_transposition` is never used
[INFO] [stdout]    --> src/engine/negamax.rs:212:8
[INFO] [stdout]     |
[INFO] [stdout] 212 | pub fn find_best_move_nega_transposition(board: Board, depth: i8) -> ChessMove {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_best_move_nega_moves` is never used
[INFO] [stdout]    --> src/engine/negamax.rs:238:8
[INFO] [stdout]     |
[INFO] [stdout] 238 | pub fn find_best_move_nega_moves(board: Board, depth: i8, moves: Vec<ChessMove>) -> Vec<ChessMove> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_best_move_nega_iterative` is never used
[INFO] [stdout]    --> src/engine/negamax.rs:268:8
[INFO] [stdout]     |
[INFO] [stdout] 268 | pub fn find_best_move_nega_iterative(board: Board, depth: i8) -> ChessMove {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_best_move_nega_moves_transposition` is never used
[INFO] [stdout]    --> src/engine/negamax.rs:278:8
[INFO] [stdout]     |
[INFO] [stdout] 278 | pub fn find_best_move_nega_moves_transposition(board: &Board, depth: i8, moves: Vec<ChessMove>) -> Vec<ChessMove> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_best_move_nega_iterative_transposition` is never used
[INFO] [stdout]    --> src/engine/negamax.rs:307:8
[INFO] [stdout]     |
[INFO] [stdout] 307 | pub fn find_best_move_nega_iterative_transposition(board: Board, depth: i8) -> ChessMove {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_best_move_single_count` is never used
[INFO] [stdout]  --> src/engine/counts.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn find_best_move_single_count(board: Board, depth: usize, move_color: bool) -> ChessMove { 
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_best_move_iterative_count` is never used
[INFO] [stdout]   --> src/engine/counts.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub fn find_best_move_iterative_count(board: Board, depth: usize, move_color: bool) -> ChessMove {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 39 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 08s
[INFO] running `Command { std: "docker" "inspect" "55816bf703eaa43fd1bc70ffc910e0b09cf4f30df947a8be6bd87492f2e825d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55816bf703eaa43fd1bc70ffc910e0b09cf4f30df947a8be6bd87492f2e825d3", kill_on_drop: false }`
[INFO] [stdout] 55816bf703eaa43fd1bc70ffc910e0b09cf4f30df947a8be6bd87492f2e825d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e563ed11ede093726c1339d60124ca75a485ec94534caa4a512c0253bfb5dad5
[INFO] running `Command { std: "docker" "start" "-a" "e563ed11ede093726c1339d60124ca75a485ec94534caa4a512c0253bfb5dad5", kill_on_drop: false }`
[INFO] [stderr]    Compiling amar_chess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `app::Sender`
[INFO] [stdout]  --> src/main.rs:2:73
[INFO] [stdout]   |
[INFO] [stdout] 2 | use fltk::{button::Button, enums::Event, frame::Frame, image::SvgImage, app::Sender};
[INFO] [stdout]   |                                                                         ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::engine::*`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::engine::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`
[INFO] [stdout]  --> src/engine/mod.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::{Arc, Mutex};
[INFO] [stdout]   |                 ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`
[INFO] [stdout]  --> src/engine/negamax.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::{Arc, Mutex};
[INFO] [stdout]   |                 ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `min`
[INFO] [stdout]  --> src/engine/negamax.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::cmp::{max, min};
[INFO] [stdout]   |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`
[INFO] [stdout]  --> src/engine/counts.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::{Arc, Mutex};
[INFO] [stdout]   |                 ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude`
[INFO] [stdout]  --> src/engine/counts.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rayon::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude`
[INFO] [stdout]  --> src/engine/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rayon::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `eg_factor`
[INFO] [stdout]   --> src/engine/negamax.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let eg_factor = (board.combined() ^ board.pieces(Piece::Pawn)).popcnt(); // 0 - 16 (or more)
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_eg_factor`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `white_pawns_combined` is assigned to, but never used
[INFO] [stdout]   --> src/engine/negamax.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let mut white_pawns_combined = 0;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_white_pawns_combined` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `row_7`
[INFO] [stdout]   --> src/engine/negamax.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let row_7 = (white_pawns.0 >> 56 & 255) as u8;
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_row_7`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `row_6`
[INFO] [stdout]   --> src/engine/negamax.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let row_6 = (white_pawns.0 >> 48 & 255) as u8;
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_row_6`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `row_5`
[INFO] [stdout]   --> src/engine/negamax.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let row_5 = (white_pawns.0 >> 40 & 255) as u8;
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_row_5`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `row_4`
[INFO] [stdout]   --> src/engine/negamax.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let row_4 = (white_pawns.0 >> 32 & 255) as u8;
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_row_4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `row_3`
[INFO] [stdout]   --> src/engine/negamax.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let row_3 = (white_pawns.0 >> 24 & 255) as u8;
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_row_3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `row_2`
[INFO] [stdout]   --> src/engine/negamax.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let row_2 = (white_pawns.0 >> 16 & 255) as u8;
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_row_2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `best`
[INFO] [stdout]    --> src/engine/mod.rs:323:13
[INFO] [stdout]     |
[INFO] [stdout] 323 |         let best = find_best_move_single_count(board, 4, true);
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_best`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `best`
[INFO] [stdout]    --> src/engine/mod.rs:327:13
[INFO] [stdout]     |
[INFO] [stdout] 327 |         let best = find_best_move_single_count(board, 4, false);
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_best`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `best`
[INFO] [stdout]    --> src/engine/mod.rs:331:13
[INFO] [stdout]     |
[INFO] [stdout] 331 |         let best = find_best_move_single_count(board, 4, true);
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_best`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `best`
[INFO] [stdout]    --> src/engine/mod.rs:332:13
[INFO] [stdout]     |
[INFO] [stdout] 332 |         let best = find_best_move_iterative_count(board, 6, true);
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_best`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:168:17
[INFO] [stdout]     |
[INFO] [stdout] 168 |                 _ => unimplemented!("unimplemented event")
[INFO] [stdout]     |                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/main.rs:146:37
[INFO] [stdout]     |
[INFO] [stdout] 146 |                 SquareMessage::Drag(s) => {
[INFO] [stdout]     |                                     ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/main.rs:157:41
[INFO] [stdout]     |
[INFO] [stdout] 157 |                 SquareMessage::Released(s) => {
[INFO] [stdout]     |                                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/main.rs:54:31
[INFO] [stdout]    |
[INFO] [stdout] 54 |     button.set_callback(move |b| {
[INFO] [stdout]    |                               ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_best_move_sorted_moves` is never used
[INFO] [stdout]    --> src/engine/mod.rs:182:4
[INFO] [stdout]     |
[INFO] [stdout] 182 | fn find_best_move_sorted_moves(board: Board, depth: usize, move_color: bool, moves: Vec<ChessMove>) -> Vec<ChessMove> { 
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `evaluate_board_improved` is never used
[INFO] [stdout]   --> src/engine/negamax.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn evaluate_board_improved(board: &Board) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 27 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `Command { std: "docker" "inspect" "e563ed11ede093726c1339d60124ca75a485ec94534caa4a512c0253bfb5dad5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e563ed11ede093726c1339d60124ca75a485ec94534caa4a512c0253bfb5dad5", kill_on_drop: false }`
[INFO] [stdout] e563ed11ede093726c1339d60124ca75a485ec94534caa4a512c0253bfb5dad5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3ab10c369d6f64df1c5ebfe15308b18788e9d7a251f6f7a17fbdbe86243226a9
[INFO] running `Command { std: "docker" "start" "-a" "3ab10c369d6f64df1c5ebfe15308b18788e9d7a251f6f7a17fbdbe86243226a9", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `app::Sender`
[INFO] [stderr]  --> src/main.rs:2:73
[INFO] [stderr]   |
[INFO] [stderr] 2 | use fltk::{button::Button, enums::Event, frame::Frame, image::SvgImage, app::Sender};
[INFO] [stderr]   |                                                                         ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str::FromStr`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::str::FromStr;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::engine::*`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use crate::engine::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Arc`, `Mutex`
[INFO] [stderr]  --> src/engine/mod.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::sync::{Arc, Mutex};
[INFO] [stderr]   |                 ^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Arc`, `Mutex`
[INFO] [stderr]  --> src/engine/negamax.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::sync::{Arc, Mutex};
[INFO] [stderr]   |                 ^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `min`
[INFO] [stderr]  --> src/engine/negamax.rs:4:21
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::cmp::{max, min};
[INFO] [stderr]   |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Arc`, `Mutex`
[INFO] [stderr]  --> src/engine/counts.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::sync::{Arc, Mutex};
[INFO] [stderr]   |                 ^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rayon::prelude`
[INFO] [stderr]  --> src/engine/counts.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use rayon::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rayon::prelude`
[INFO] [stderr]  --> src/engine/mod.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use rayon::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `eg_factor`
[INFO] [stderr]   --> src/engine/negamax.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let eg_factor = (board.combined() ^ board.pieces(Piece::Pawn)).popcnt(); // 0 - 16 (or more)
[INFO] [stderr]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_eg_factor`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `white_pawns_combined` is assigned to, but never used
[INFO] [stderr]   --> src/engine/negamax.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |     let mut white_pawns_combined = 0;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: consider using `_white_pawns_combined` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `row_7`
[INFO] [stderr]   --> src/engine/negamax.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |     let row_7 = (white_pawns.0 >> 56 & 255) as u8;
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_row_7`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `row_6`
[INFO] [stderr]   --> src/engine/negamax.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |     let row_6 = (white_pawns.0 >> 48 & 255) as u8;
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_row_6`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `row_5`
[INFO] [stderr]   --> src/engine/negamax.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let row_5 = (white_pawns.0 >> 40 & 255) as u8;
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_row_5`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `row_4`
[INFO] [stderr]   --> src/engine/negamax.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 |     let row_4 = (white_pawns.0 >> 32 & 255) as u8;
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_row_4`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `row_3`
[INFO] [stderr]   --> src/engine/negamax.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |     let row_3 = (white_pawns.0 >> 24 & 255) as u8;
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_row_3`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `row_2`
[INFO] [stderr]   --> src/engine/negamax.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let row_2 = (white_pawns.0 >> 16 & 255) as u8;
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_row_2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `best`
[INFO] [stderr]    --> src/engine/mod.rs:323:13
[INFO] [stderr]     |
[INFO] [stderr] 323 |         let best = find_best_move_single_count(board, 4, true);
[INFO] [stderr]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_best`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `best`
[INFO] [stderr]    --> src/engine/mod.rs:327:13
[INFO] [stderr]     |
[INFO] [stderr] 327 |         let best = find_best_move_single_count(board, 4, false);
[INFO] [stderr]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_best`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `best`
[INFO] [stderr]    --> src/engine/mod.rs:331:13
[INFO] [stderr]     |
[INFO] [stderr] 331 |         let best = find_best_move_single_count(board, 4, true);
[INFO] [stderr]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_best`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `best`
[INFO] [stderr]    --> src/engine/mod.rs:332:13
[INFO] [stderr]     |
[INFO] [stderr] 332 |         let best = find_best_move_iterative_count(board, 6, true);
[INFO] [stderr]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_best`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/main.rs:168:17
[INFO] [stderr]     |
[INFO] [stderr] 168 |                 _ => unimplemented!("unimplemented event")
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]    --> src/main.rs:146:37
[INFO] [stderr]     |
[INFO] [stderr] 146 |                 SquareMessage::Drag(s) => {
[INFO] [stderr]     |                                     ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]    --> src/main.rs:157:41
[INFO] [stderr]     |
[INFO] [stderr] 157 |                 SquareMessage::Released(s) => {
[INFO] [stderr]     |                                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]   --> src/main.rs:54:31
[INFO] [stderr]    |
[INFO] [stderr] 54 |     button.set_callback(move |b| {
[INFO] [stderr]    |                               ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: function `find_best_move_sorted_moves` is never used
[INFO] [stderr]    --> src/engine/mod.rs:182:4
[INFO] [stderr]     |
[INFO] [stderr] 182 | fn find_best_move_sorted_moves(board: Board, depth: usize, move_color: bool, moves: Vec<ChessMove>) -> Vec<ChessMove> { 
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `evaluate_board_improved` is never used
[INFO] [stderr]   --> src/engine/negamax.rs:19:4
[INFO] [stderr]    |
[INFO] [stderr] 19 | fn evaluate_board_improved(board: &Board) -> i32 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `amar_chess` (bin "amar_chess" test) generated 27 warnings (run `cargo fix --bin "amar_chess" --tests` to apply 21 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/amar_chess-7b3ec21414d81207)
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test engine::negamax::tests::test_eval_speed ... ok
[INFO] [stdout] test engine::negamax::tests::test_mate_in_1_black ... ok
[INFO] [stdout] test engine::negamax::tests::test_ordering ... ok
[INFO] [stdout] test engine::negamax::tests::test_mate_in_1 ... ok
[INFO] [stdout] test engine::tests::test_eval ... FAILED
[INFO] [stdout] test engine::negamax::tests::test_win_piece_cmp_6 ... ok
[INFO] [stdout] test engine::tests::test_mate_in_2_2 ... ok
[INFO] [stdout] test engine::tests::test_mate_single ... FAILED
[INFO] [stdout] test engine::negamax::tests::test_win_piece_cmp_4 ... ok
[INFO] [stdout] test engine::negamax::tests::test_win_piece_cmp_3 ... ok
[INFO] [stdout] test engine::tests::test_mate_in_2_inc_nega ... ok
[INFO] [stdout] test engine::tests::test_mate_in_2_inc ... ok
[INFO] [stdout] test engine::tests::test_take_queen_single ... ok
[INFO] [stdout] test engine::tests::test_solve_puzzles_ordering ... ok
[INFO] [stdout] test engine::tests::test_win_piece_2 ... ok
[INFO] [stdout] test engine::negamax::tests::test_win_piece_cmp_2 ... ok
[INFO] [stdout] test engine::negamax::tests::test_win_piece_cmp ... ok
[INFO] [stdout] test engine::tests::test_mate_in_2 ... ok
[INFO] [stdout] test engine::tests::test_win_piece_cmp ... ok
[INFO] [stdout] test engine::tests::test_win_piece ... ok
[INFO] [stdout] test engine::tests::test_solve_puzzles ... ok
[INFO] [stdout] test engine::tests::test_solve_puzzles_2 has been running for over 60 seconds
[INFO] [stdout] test engine::tests::test_solve_puzzles_normal has been running for over 60 seconds
[INFO] [stdout] test engine::tests::test_win_piece_2_iter has been running for over 60 seconds
[INFO] [stdout] test engine::tests::test_win_piece_cmp2 has been running for over 60 seconds
[INFO] [stdout] test engine::tests::test_win_piece_counts has been running for over 60 seconds
[INFO] [stdout] test engine::tests::test_win_piece_counts_2 has been running for over 60 seconds
[INFO] [stdout] test engine::tests::test_win_piece_iterative has been running for over 60 seconds
[INFO] [stdout] test engine::tests::test_win_piece_cmp2 ... ok
[INFO] [stdout] test engine::tests::test_win_piece_nega_iterative has been running for over 60 seconds
[INFO] [stdout] test engine::tests::test_win_piece_nega_iterative ... ok
[INFO] [stdout] test engine::tests::test_win_piece_counts_2 ... ok
[INFO] [stdout] test engine::tests::test_win_piece_iterative ... ok
[INFO] [stdout] test engine::tests::test_win_piece_2_iter ... ok
[INFO] [stdout] test engine::tests::test_solve_puzzles_normal ... ok
[INFO] [stdout] test engine::tests::test_solve_puzzles_2 ... ok
[INFO] [stdout] test engine::tests::test_win_piece_counts ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- engine::tests::test_eval stdout ----
[INFO] [stdout] thread 'engine::tests::test_eval' panicked at src/engine/mod.rs:407:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 100
[INFO] [stdout]  right: 0
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55c2eca558cc - std::backtrace_rs::backtrace::libunwind::trace::ha637c64ce894333a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55c2eca558cc - std::backtrace_rs::backtrace::trace_unsynchronized::h47f62dea28e0c88d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55c2eca558cc - std::sys_common::backtrace::_print_fmt::h9eef0abe20ede486
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55c2eca558cc - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hed7f999df88cc644
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55c2eca7ff30 - core::fmt::rt::Argument::fmt::h1539a9308b8d058d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55c2eca7ff30 - core::fmt::write::h3a39390d8560d9c9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55c2eca5327f - std::io::Write::write_fmt::h040b369f3a0f9cbc
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/io/mod.rs:1762:15
[INFO] [stdout]    7:     0x55c2eca556b4 - std::sys_common::backtrace::_print::h894006fb5c6f3d45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55c2eca556b4 - std::sys_common::backtrace::print::h23a2d212c6fff936
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55c2eca57377 - std::panicking::default_hook::{{closure}}::h8a1d2ee00185001a
[INFO] [stdout]   10:     0x55c2eca57063 - std::panicking::default_hook::h6038f2eba384e475
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x55c2ec97bbf7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h0ad024c9bdc6d768
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stdout]   12:     0x55c2ec97bbf7 - test::test_main::{{closure}}::h7500b54257359db6
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x55c2eca57988 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h1f8f335eaa9cfaee
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stdout]   14:     0x55c2eca57988 - std::panicking::rust_panic_with_hook::h2b5517d590cab22e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x55c2eca576de - std::panicking::begin_panic_handler::{{closure}}::h233112c06e0ef43e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x55c2eca55d96 - std::sys_common::backtrace::__rust_end_short_backtrace::h6e893f24d7ebbff8
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:170:18
[INFO] [stdout]   17:     0x55c2eca57442 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x55c2ec86d0b5 - core::panicking::panic_fmt::hbf0e066aabfa482c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55c2ec86d3db - core::panicking::assert_failed_inner::h0bba8b7c26ee4492
[INFO] [stdout]   20:     0x55c2eca2ccae - core::panicking::assert_failed::h322454699ac6b32f
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panicking.rs:279:5
[INFO] [stdout]   21:     0x55c2ec9409b2 - amar_chess::engine::tests::test_eval::ha8e22366112515c9
[INFO] [stdout]                                at /opt/rustwide/workdir/src/engine/mod.rs:407:9
[INFO] [stdout]   22:     0x55c2ec9408f7 - amar_chess::engine::tests::test_eval::{{closure}}::h4994eb2d2e25d92b
[INFO] [stdout]                                at /opt/rustwide/workdir/src/engine/mod.rs:406:19
[INFO] [stdout]   23:     0x55c2ec87dbe6 - core::ops::function::FnOnce::call_once::h109f404da82ed6c4
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55c2ec98124f - core::ops::function::FnOnce::call_once::h2b5d431d5046312d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x55c2ec98124f - test::__rust_begin_short_backtrace::h7714669af176e207
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:628:18
[INFO] [stdout]   26:     0x55c2ec980265 - test::run_test_in_process::{{closure}}::h85218797dcbcec12
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:60
[INFO] [stdout]   27:     0x55c2ec980265 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h76c106ea31c14d7b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x55c2ec980265 - std::panicking::try::do_call::h3bd5d0f6620ee946
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   29:     0x55c2ec980265 - std::panicking::try::h232e535e4744fe31
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   30:     0x55c2ec980265 - std::panic::catch_unwind::h3ce3bd6ca8dbac68
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x55c2ec980265 - test::run_test_in_process::hc97b257c9621286a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:27
[INFO] [stdout]   32:     0x55c2ec980265 - test::run_test::{{closure}}::h2aa798823a438d38
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:574:43
[INFO] [stdout]   33:     0x55c2ec948526 - test::run_test::{{closure}}::h87d231c78fb59832
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:602:41
[INFO] [stdout]   34:     0x55c2ec948526 - std::sys_common::backtrace::__rust_begin_short_backtrace::he6df152596625789
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:154:18
[INFO] [stdout]   35:     0x55c2ec94d5d7 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::ha94be15d1e0acf36
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x55c2ec94d5d7 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9dc6bd6372f16606
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x55c2ec94d5d7 - std::panicking::try::do_call::h9057517f80303cd4
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   38:     0x55c2ec94d5d7 - std::panicking::try::he3a30b11ee45340c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   39:     0x55c2ec94d5d7 - std::panic::catch_unwind::h410458cfd3528b8b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x55c2ec94d5d7 - std::thread::Builder::spawn_unchecked_::{{closure}}::h72ac3bdb567b737b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x55c2ec94d5d7 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h38f34da3654a8344
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55c2eca5c415 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hc7eafaff61e32df9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   43:     0x55c2eca5c415 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ba4a5de48dd2304
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   44:     0x55c2eca5c415 - std::sys::unix::thread::Thread::new::thread_start::he469335aef763e45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7f934579cac3 - <unknown>
[INFO] [stdout]   46:     0x7f934582dbf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- engine::tests::test_mate_single stdout ----
[INFO] [stdout] thread 'engine::tests::test_mate_single' panicked at src/engine/mod.rs:270:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: ChessMove { source: Square(6), dest: Square(2), promotion: None }
[INFO] [stdout]  right: ChessMove { source: Square(13), dest: Square(15), promotion: None }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55c2eca558cc - std::backtrace_rs::backtrace::libunwind::trace::ha637c64ce894333a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55c2eca558cc - std::backtrace_rs::backtrace::trace_unsynchronized::h47f62dea28e0c88d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55c2eca558cc - std::sys_common::backtrace::_print_fmt::h9eef0abe20ede486
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55c2eca558cc - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hed7f999df88cc644
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55c2eca7ff30 - core::fmt::rt::Argument::fmt::h1539a9308b8d058d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55c2eca7ff30 - core::fmt::write::h3a39390d8560d9c9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55c2eca5327f - std::io::Write::write_fmt::h040b369f3a0f9cbc
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/io/mod.rs:1762:15
[INFO] [stdout]    7:     0x55c2eca556b4 - std::sys_common::backtrace::_print::h894006fb5c6f3d45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55c2eca556b4 - std::sys_common::backtrace::print::h23a2d212c6fff936
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55c2eca57377 - std::panicking::default_hook::{{closure}}::h8a1d2ee00185001a
[INFO] [stdout]   10:     0x55c2eca57063 - std::panicking::default_hook::h6038f2eba384e475
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x55c2ec97bbf7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h0ad024c9bdc6d768
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stdout]   12:     0x55c2ec97bbf7 - test::test_main::{{closure}}::h7500b54257359db6
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x55c2eca57988 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h1f8f335eaa9cfaee
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stdout]   14:     0x55c2eca57988 - std::panicking::rust_panic_with_hook::h2b5517d590cab22e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x55c2eca576de - std::panicking::begin_panic_handler::{{closure}}::h233112c06e0ef43e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x55c2eca55d96 - std::sys_common::backtrace::__rust_end_short_backtrace::h6e893f24d7ebbff8
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:170:18
[INFO] [stdout]   17:     0x55c2eca57442 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x55c2ec86d0b5 - core::panicking::panic_fmt::hbf0e066aabfa482c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55c2ec86d3db - core::panicking::assert_failed_inner::h0bba8b7c26ee4492
[INFO] [stdout]   20:     0x55c2ec87f1be - core::panicking::assert_failed::h98f0608747f094db
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panicking.rs:279:5
[INFO] [stdout]   21:     0x55c2ec93d092 - amar_chess::engine::tests::test_mate_single::h7228f621ed642428
[INFO] [stdout]                                at /opt/rustwide/workdir/src/engine/mod.rs:270:9
[INFO] [stdout]   22:     0x55c2ec93ce97 - amar_chess::engine::tests::test_mate_single::{{closure}}::h4b1fbfc0605835a5
[INFO] [stdout]                                at /opt/rustwide/workdir/src/engine/mod.rs:268:26
[INFO] [stdout]   23:     0x55c2ec87e2c6 - core::ops::function::FnOnce::call_once::h9e8cd49237b90676
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55c2ec98124f - core::ops::function::FnOnce::call_once::h2b5d431d5046312d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x55c2ec98124f - test::__rust_begin_short_backtrace::h7714669af176e207
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:628:18
[INFO] [stdout]   26:     0x55c2ec980265 - test::run_test_in_process::{{closure}}::h85218797dcbcec12
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:60
[INFO] [stdout]   27:     0x55c2ec980265 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h76c106ea31c14d7b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x55c2ec980265 - std::panicking::try::do_call::h3bd5d0f6620ee946
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   29:     0x55c2ec980265 - std::panicking::try::h232e535e4744fe31
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   30:     0x55c2ec980265 - std::panic::catch_unwind::h3ce3bd6ca8dbac68
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x55c2ec980265 - test::run_test_in_process::hc97b257c9621286a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:27
[INFO] [stdout]   32:     0x55c2ec980265 - test::run_test::{{closure}}::h2aa798823a438d38
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:574:43
[INFO] [stdout]   33:     0x55c2ec948526 - test::run_test::{{closure}}::h87d231c78fb59832
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:602:41
[INFO] [stdout]   34:     0x55c2ec948526 - std::sys_common::backtrace::__rust_begin_short_backtrace::he6df152596625789
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:154:18
[INFO] [stdout]   35:     0x55c2ec94d5d7 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::ha94be15d1e0acf36
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x55c2ec94d5d7 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9dc6bd6372f16606
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x55c2ec94d5d7 - std::panicking::try::do_call::h9057517f80303cd4
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   38:     0x55c2ec94d5d7 - std::panicking::try::he3a30b11ee45340c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   39:     0x55c2ec94d5d7 - std::panic::catch_unwind::h410458cfd3528b8b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x55c2ec94d5d7 - std::thread::Builder::spawn_unchecked_::{{closure}}::h72ac3bdb567b737b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x55c2ec94d5d7 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h38f34da3654a8344
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55c2eca5c415 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hc7eafaff61e32df9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   43:     0x55c2eca5c415 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ba4a5de48dd2304
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   44:     0x55c2eca5c415 - std::sys::unix::thread::Thread::new::thread_start::he469335aef763e45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7f934579cac3 - <unknown>
[INFO] [stdout]   46:     0x7f934582dbf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     engine::tests::test_eval
[INFO] [stdout]     engine::tests::test_mate_single
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 27 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 314.37s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin amar_chess`
[INFO] running `Command { std: "docker" "inspect" "3ab10c369d6f64df1c5ebfe15308b18788e9d7a251f6f7a17fbdbe86243226a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ab10c369d6f64df1c5ebfe15308b18788e9d7a251f6f7a17fbdbe86243226a9", kill_on_drop: false }`
[INFO] [stdout] 3ab10c369d6f64df1c5ebfe15308b18788e9d7a251f6f7a17fbdbe86243226a9
