[INFO] cloning repository https://github.com/Lucky4Luuk/chess_gui
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lucky4Luuk/chess_gui" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLucky4Luuk%2Fchess_gui", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLucky4Luuk%2Fchess_gui'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e91daae02a3135268b0d7a768caa988727d741fe
[INFO] testing Lucky4Luuk/chess_gui against 1.91.0 for beta-1.92-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLucky4Luuk%2Fchess_gui" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Lucky4Luuk/chess_gui
[INFO] finished tweaking git repo https://github.com/Lucky4Luuk/chess_gui
[INFO] tweaked toml for git repo https://github.com/Lucky4Luuk/chess_gui written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Lucky4Luuk/chess_gui on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Lucky4Luuk/chess_gui 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" "+1.91.0" "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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "ced86242cb9d90cb680f5512d255379d7807f444699716fdc10f2227b204d4a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ced86242cb9d90cb680f5512d255379d7807f444699716fdc10f2227b204d4a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ced86242cb9d90cb680f5512d255379d7807f444699716fdc10f2227b204d4a2", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: use of deprecated associated function `chess::Square::from_string`: please use `Square::from_str(square)?` instead
[INFO] [stdout]    --> src/main.rs:101:58
[INFO] [stdout]     |
[INFO] [stdout] 101 |             let source = if let Some(v) = chess::Square::from_string(source_str) { v } else { return None; };
[INFO] [stdout]     |                                                          ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `chess::Square::from_string`: please use `Square::from_str(square)?` instead
[INFO] [stdout]    --> src/main.rs:102:56
[INFO] [stdout]     |
[INFO] [stdout] 102 |             let dest = if let Some(v) = chess::Square::from_string(dest_str) { v } else { return None; };
[INFO] [stdout]     |                                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/main.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout]  83 |             return None;
[INFO] [stdout]     |             ----------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 115 |         None
[INFO] [stdout]     |         ^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `img`
[INFO] [stdout]   --> src/board_vis.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let img: RgbaImage = ImageBuffer::new(2048, 2048);
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_img`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cc`
[INFO] [stdout]   --> src/main.rs:58:16
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn new(cc: &eframe::CreationContext<'_>) -> Self {
[INFO] [stdout]    |                ^^ help: if this is intentional, prefix it with an underscore: `_cc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `handles` is never read
[INFO] [stdout]   --> src/engine_player.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Engine {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     handles: Vec<thread::JoinHandle<()>>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:237:5
[INFO] [stdout]     |
[INFO] [stdout] 237 | /     eframe::run_native(
[INFO] [stdout] 238 | |         "Chess Bot GUI",
[INFO] [stdout] 239 | |         native_options,
[INFO] [stdout] 240 | |         Box::new(|cc| Box::new(ChessApp::new(cc))),
[INFO] [stdout] 241 | |     );
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 237 |     let _ = eframe::run_native(
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/engine_player.rs:38:21
[INFO] [stdout]    |
[INFO] [stdout] 38 |                     sender.send(Ok(String::from_utf8(output.stdout).unwrap()));
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 38 |                     let _ = sender.send(Ok(String::from_utf8(output.stdout).unwrap()));
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/engine_player.rs:40:31
[INFO] [stdout]    |
[INFO] [stdout] 40 |                 Err(err) => { sender.send(Err(format!("Error: {err}"))); },
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 40 |                 Err(err) => { let _ = sender.send(Err(format!("Error: {err}"))); },
[INFO] [stdout]    |                               +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/board_vis.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     img.write_to(&mut std::io::Cursor::new(&mut buf), ImageOutputFormat::Png);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let _ = img.write_to(&mut std::io::Cursor::new(&mut buf), ImageOutputFormat::Png);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4m 16s
[INFO] running `Command { std: "docker" "inspect" "a4bebf64bc41b8b57a884a89d586dea7e62acd02362311c34f54701ee7a31373", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4bebf64bc41b8b57a884a89d586dea7e62acd02362311c34f54701ee7a31373", kill_on_drop: false }`
[INFO] [stdout] a4bebf64bc41b8b57a884a89d586dea7e62acd02362311c34f54701ee7a31373
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 587246e6f7ea54a5322735cdb94939f8c2190ac6463681b0e756843803fd2995
[INFO] running `Command { std: "docker" "start" "-a" "587246e6f7ea54a5322735cdb94939f8c2190ac6463681b0e756843803fd2995", kill_on_drop: false }`
[INFO] [stderr]    Compiling chess_gui v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `chess::Square::from_string`: please use `Square::from_str(square)?` instead
[INFO] [stdout]    --> src/main.rs:101:58
[INFO] [stdout]     |
[INFO] [stdout] 101 |             let source = if let Some(v) = chess::Square::from_string(source_str) { v } else { return None; };
[INFO] [stdout]     |                                                          ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `chess::Square::from_string`: please use `Square::from_str(square)?` instead
[INFO] [stdout]    --> src/main.rs:102:56
[INFO] [stdout]     |
[INFO] [stdout] 102 |             let dest = if let Some(v) = chess::Square::from_string(dest_str) { v } else { return None; };
[INFO] [stdout]     |                                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/main.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout]  83 |             return None;
[INFO] [stdout]     |             ----------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 115 |         None
[INFO] [stdout]     |         ^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `img`
[INFO] [stdout]   --> src/board_vis.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let img: RgbaImage = ImageBuffer::new(2048, 2048);
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_img`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cc`
[INFO] [stdout]   --> src/main.rs:58:16
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn new(cc: &eframe::CreationContext<'_>) -> Self {
[INFO] [stdout]    |                ^^ help: if this is intentional, prefix it with an underscore: `_cc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `handles` is never read
[INFO] [stdout]   --> src/engine_player.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Engine {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     handles: Vec<thread::JoinHandle<()>>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:237:5
[INFO] [stdout]     |
[INFO] [stdout] 237 | /     eframe::run_native(
[INFO] [stdout] 238 | |         "Chess Bot GUI",
[INFO] [stdout] 239 | |         native_options,
[INFO] [stdout] 240 | |         Box::new(|cc| Box::new(ChessApp::new(cc))),
[INFO] [stdout] 241 | |     );
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 237 |     let _ = eframe::run_native(
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/engine_player.rs:38:21
[INFO] [stdout]    |
[INFO] [stdout] 38 |                     sender.send(Ok(String::from_utf8(output.stdout).unwrap()));
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 38 |                     let _ = sender.send(Ok(String::from_utf8(output.stdout).unwrap()));
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/engine_player.rs:40:31
[INFO] [stdout]    |
[INFO] [stdout] 40 |                 Err(err) => { sender.send(Err(format!("Error: {err}"))); },
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 40 |                 Err(err) => { let _ = sender.send(Err(format!("Error: {err}"))); },
[INFO] [stdout]    |                               +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/board_vis.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     img.write_to(&mut std::io::Cursor::new(&mut buf), ImageOutputFormat::Png);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let _ = img.write_to(&mut std::io::Cursor::new(&mut buf), ImageOutputFormat::Png);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `Command { std: "docker" "inspect" "587246e6f7ea54a5322735cdb94939f8c2190ac6463681b0e756843803fd2995", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "587246e6f7ea54a5322735cdb94939f8c2190ac6463681b0e756843803fd2995", kill_on_drop: false }`
[INFO] [stdout] 587246e6f7ea54a5322735cdb94939f8c2190ac6463681b0e756843803fd2995
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f983c1ccf700fae837c34403de564f993f2315edf67a1c56cf8fccbc7c6a361d
[INFO] running `Command { std: "docker" "start" "-a" "f983c1ccf700fae837c34403de564f993f2315edf67a1c56cf8fccbc7c6a361d", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated associated function `chess::Square::from_string`: please use `Square::from_str(square)?` instead
[INFO] [stderr]    --> src/main.rs:101:58
[INFO] [stderr]     |
[INFO] [stderr] 101 |             let source = if let Some(v) = chess::Square::from_string(source_str) { v } else { return None; };
[INFO] [stderr]     |                                                          ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `chess::Square::from_string`: please use `Square::from_str(square)?` instead
[INFO] [stderr]    --> src/main.rs:102:56
[INFO] [stderr]     |
[INFO] [stderr] 102 |             let dest = if let Some(v) = chess::Square::from_string(dest_str) { v } else { return None; };
[INFO] [stderr]     |                                                        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/main.rs:115:9
[INFO] [stderr]     |
[INFO] [stderr]  83 |             return None;
[INFO] [stderr]     |             ----------- any code following this expression is unreachable
[INFO] [stderr] ...
[INFO] [stderr] 115 |         None
[INFO] [stderr]     |         ^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `img`
[INFO] [stderr]   --> src/board_vis.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let img: RgbaImage = ImageBuffer::new(2048, 2048);
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_img`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cc`
[INFO] [stderr]   --> src/main.rs:58:16
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub fn new(cc: &eframe::CreationContext<'_>) -> Self {
[INFO] [stderr]    |                ^^ help: if this is intentional, prefix it with an underscore: `_cc`
[INFO] [stderr] 
[INFO] [stderr] warning: field `handles` is never read
[INFO] [stderr]   --> src/engine_player.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct Engine {
[INFO] [stderr]    |            ------ field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 13 |     handles: Vec<thread::JoinHandle<()>>,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:237:5
[INFO] [stderr]     |
[INFO] [stderr] 237 | /     eframe::run_native(
[INFO] [stderr] 238 | |         "Chess Bot GUI",
[INFO] [stderr] 239 | |         native_options,
[INFO] [stderr] 240 | |         Box::new(|cc| Box::new(ChessApp::new(cc))),
[INFO] [stderr] 241 | |     );
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 237 |     let _ = eframe::run_native(
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/engine_player.rs:38:21
[INFO] [stderr]    |
[INFO] [stderr] 38 |                     sender.send(Ok(String::from_utf8(output.stdout).unwrap()));
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 38 |                     let _ = sender.send(Ok(String::from_utf8(output.stdout).unwrap()));
[INFO] [stderr]    |                     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/engine_player.rs:40:31
[INFO] [stderr]    |
[INFO] [stderr] 40 |                 Err(err) => { sender.send(Err(format!("Error: {err}"))); },
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 40 |                 Err(err) => { let _ = sender.send(Err(format!("Error: {err}"))); },
[INFO] [stderr]    |                               +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/board_vis.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     img.write_to(&mut std::io::Cursor::new(&mut buf), ImageOutputFormat::Png);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 57 |     let _ = img.write_to(&mut std::io::Cursor::new(&mut buf), ImageOutputFormat::Png);
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `chess_gui` (bin "chess_gui" test) generated 10 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/chess_gui-d9b8e486b1a8c033)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f983c1ccf700fae837c34403de564f993f2315edf67a1c56cf8fccbc7c6a361d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f983c1ccf700fae837c34403de564f993f2315edf67a1c56cf8fccbc7c6a361d", kill_on_drop: false }`
[INFO] [stdout] f983c1ccf700fae837c34403de564f993f2315edf67a1c56cf8fccbc7c6a361d
