[INFO] cloning repository https://github.com/Stormix-dev/gk_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/Stormix-dev/gk_chess_engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStormix-dev%2Fgk_chess_engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStormix-dev%2Fgk_chess_engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c1abcac692d19506dd6bca33c88025b91a4f1afe
[INFO] testing Stormix-dev/gk_chess_engine against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStormix-dev%2Fgk_chess_engine" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Stormix-dev/gk_chess_engine
[INFO] finished tweaking git repo https://github.com/Stormix-dev/gk_chess_engine
[INFO] tweaked toml for git repo https://github.com/Stormix-dev/gk_chess_engine written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Stormix-dev/gk_chess_engine on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Stormix-dev/gk_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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "rm" "-f" "fddba388d9dac93e8b02a45f7395e2b07fc291ed1ccab3f58ac28f5ab516eee7", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]    Compiling accesskit_unix v0.6.2
[INFO] [stderr]    Compiling accesskit_winit v0.15.0
[INFO] [stderr]    Compiling egui-winit v0.24.1
[INFO] [stderr]    Compiling eframe v0.24.1
[INFO] [stderr]    Compiling gk_chess_engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `egui::ViewportBuilder`
[INFO] [stdout]  --> src/main.rs:1:47
[INFO] [stdout]   |
[INFO] [stdout] 1 | use eframe::{egui, App, Frame, NativeOptions, egui::ViewportBuilder};
[INFO] [stdout]   |                                               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:708:29
[INFO] [stdout]     |
[INFO] [stdout] 708 |                         let mut piece_text = egui::RichText::new(Board::piece_symbol(piece))
[INFO] [stdout]     |                             ----^^^^^^^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:697:17
[INFO] [stdout]     |
[INFO] [stdout] 697 |             let mut drop_target: Option<(usize, usize)> = None;
[INFO] [stdout]     |                 ----^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `drop_target`
[INFO] [stdout]    --> src/main.rs:697:17
[INFO] [stdout]     |
[INFO] [stdout] 697 |             let mut drop_target: Option<(usize, usize)> = None;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_drop_target`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `grid_response`
[INFO] [stdout]    --> src/main.rs:700:17
[INFO] [stdout]     |
[INFO] [stdout] 700 |             let grid_response = egui::Grid::new("chess_board").spacing([2.0, 2.0]).show(ui, |ui| {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_grid_response`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:835:5
[INFO] [stdout]     |
[INFO] [stdout] 835 |     eframe::run_native("GK Chess", native_options, Box::new(|_cc| Box::new(ChessApp::default())));
[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] 835 |     let _ = eframe::run_native("GK Chess", native_options, Box::new(|_cc| Box::new(ChessApp::default())));
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 42s
[INFO] running `Command { std: "docker" "inspect" "97a7bce92cb486b57e5fe8a7a1bf0410d98afc5d054c20bef77c99e92faeacb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97a7bce92cb486b57e5fe8a7a1bf0410d98afc5d054c20bef77c99e92faeacb6", kill_on_drop: false }`
[INFO] [stdout] 97a7bce92cb486b57e5fe8a7a1bf0410d98afc5d054c20bef77c99e92faeacb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 360f16e0334b20a1efbf3e3d3d2e45854c8b8ed3c6a8b9dd28a68a25f8160d91
[INFO] running `Command { std: "docker" "start" "-a" "360f16e0334b20a1efbf3e3d3d2e45854c8b8ed3c6a8b9dd28a68a25f8160d91", kill_on_drop: false }`
[INFO] [stderr]    Compiling gk_chess_engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `egui::ViewportBuilder`
[INFO] [stdout]  --> src/main.rs:1:47
[INFO] [stdout]   |
[INFO] [stdout] 1 | use eframe::{egui, App, Frame, NativeOptions, egui::ViewportBuilder};
[INFO] [stdout]   |                                               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:708:29
[INFO] [stdout]     |
[INFO] [stdout] 708 |                         let mut piece_text = egui::RichText::new(Board::piece_symbol(piece))
[INFO] [stdout]     |                             ----^^^^^^^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:697:17
[INFO] [stdout]     |
[INFO] [stdout] 697 |             let mut drop_target: Option<(usize, usize)> = None;
[INFO] [stdout]     |                 ----^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `drop_target`
[INFO] [stdout]    --> src/main.rs:697:17
[INFO] [stdout]     |
[INFO] [stdout] 697 |             let mut drop_target: Option<(usize, usize)> = None;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_drop_target`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `grid_response`
[INFO] [stdout]    --> src/main.rs:700:17
[INFO] [stdout]     |
[INFO] [stdout] 700 |             let grid_response = egui::Grid::new("chess_board").spacing([2.0, 2.0]).show(ui, |ui| {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_grid_response`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:835:5
[INFO] [stdout]     |
[INFO] [stdout] 835 |     eframe::run_native("GK Chess", native_options, Box::new(|_cc| Box::new(ChessApp::default())));
[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] 835 |     let _ = eframe::run_native("GK Chess", native_options, Box::new(|_cc| Box::new(ChessApp::default())));
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "360f16e0334b20a1efbf3e3d3d2e45854c8b8ed3c6a8b9dd28a68a25f8160d91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "360f16e0334b20a1efbf3e3d3d2e45854c8b8ed3c6a8b9dd28a68a25f8160d91", kill_on_drop: false }`
[INFO] [stdout] 360f16e0334b20a1efbf3e3d3d2e45854c8b8ed3c6a8b9dd28a68a25f8160d91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 450ff27727777e42f0df3969c26cfc9427972fe093c6fa9be75e3700227a9f8d
[INFO] running `Command { std: "docker" "start" "-a" "450ff27727777e42f0df3969c26cfc9427972fe093c6fa9be75e3700227a9f8d", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `egui::ViewportBuilder`
[INFO] [stderr]  --> src/main.rs:1:47
[INFO] [stderr]   |
[INFO] [stderr] 1 | use eframe::{egui, App, Frame, NativeOptions, egui::ViewportBuilder};
[INFO] [stderr]   |                                               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:708:29
[INFO] [stderr]     |
[INFO] [stderr] 708 |                         let mut piece_text = egui::RichText::new(Board::piece_symbol(piece))
[INFO] [stderr]     |                             ----^^^^^^^^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:697:17
[INFO] [stderr]     |
[INFO] [stderr] 697 |             let mut drop_target: Option<(usize, usize)> = None;
[INFO] [stderr]     |                 ----^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `drop_target`
[INFO] [stderr]    --> src/main.rs:697:17
[INFO] [stderr]     |
[INFO] [stderr] 697 |             let mut drop_target: Option<(usize, usize)> = None;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_drop_target`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `grid_response`
[INFO] [stderr]    --> src/main.rs:700:17
[INFO] [stderr]     |
[INFO] [stderr] 700 |             let grid_response = egui::Grid::new("chess_board").spacing([2.0, 2.0]).show(ui, |ui| {
[INFO] [stderr]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_grid_response`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:835:5
[INFO] [stderr]     |
[INFO] [stderr] 835 |     eframe::run_native("GK Chess", native_options, Box::new(|_cc| Box::new(ChessApp::default())));
[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] 835 |     let _ = eframe::run_native("GK Chess", native_options, Box::new(|_cc| Box::new(ChessApp::default())));
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `gk_chess_engine` (bin "gk_chess_engine" test) generated 6 warnings (run `cargo fix --bin "gk_chess_engine" -p gk_chess_engine --tests` to apply 5 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/gk_chess_engine-4a18d5bca8e7dfc3)
[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" "450ff27727777e42f0df3969c26cfc9427972fe093c6fa9be75e3700227a9f8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "450ff27727777e42f0df3969c26cfc9427972fe093c6fa9be75e3700227a9f8d", kill_on_drop: false }`
[INFO] [stdout] 450ff27727777e42f0df3969c26cfc9427972fe093c6fa9be75e3700227a9f8d
