[INFO] cloning repository https://github.com/stefnotch/rust-sudoku-practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stefnotch/rust-sudoku-practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstefnotch%2Frust-sudoku-practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstefnotch%2Frust-sudoku-practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e846bd73b02bdb6785f2561bd2359f7fea36087b
[INFO] testing stefnotch/rust-sudoku-practice against beta-2024-12-08 for beta-1.84.0-4-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstefnotch%2Frust-sudoku-practice" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stefnotch/rust-sudoku-practice on toolchain beta-2024-12-08
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-12-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stefnotch/rust-sudoku-practice
[INFO] finished tweaking git repo https://github.com/stefnotch/rust-sudoku-practice
[INFO] tweaked toml for git repo https://github.com/stefnotch/rust-sudoku-practice written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/stefnotch/rust-sudoku-practice 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" "+beta-2024-12-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded speedy2d v1.3.1
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[INFO] [stdout] fff487c5bed21dac4b53a38ad01c1a41b7dcae3bbe1e0fc1e04d6958c2884e4c
[INFO] running `Command { std: "docker" "start" "-a" "fff487c5bed21dac4b53a38ad01c1a41b7dcae3bbe1e0fc1e04d6958c2884e4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fff487c5bed21dac4b53a38ad01c1a41b7dcae3bbe1e0fc1e04d6958c2884e4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fff487c5bed21dac4b53a38ad01c1a41b7dcae3bbe1e0fc1e04d6958c2884e4c", kill_on_drop: false }`
[INFO] [stdout] fff487c5bed21dac4b53a38ad01c1a41b7dcae3bbe1e0fc1e04d6958c2884e4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fee7a4935b51aa7c1405a59b9a65dbfdf76267a1e7e4a5e5022a79b22ec28cca
[INFO] running `Command { std: "docker" "start" "-a" "fee7a4935b51aa7c1405a59b9a65dbfdf76267a1e7e4a5e5022a79b22ec28cca", kill_on_drop: false }`
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[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
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[INFO] [stderr]    Compiling gif v0.11.3
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling tiff v0.6.1
[INFO] [stderr]    Compiling wayland-egl v0.28.6
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling bytemuck v1.7.3
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling glow v0.7.2
[INFO] [stderr]    Compiling smithay-client-toolkit v0.12.3
[INFO] [stderr]    Compiling winit v0.24.0
[INFO] [stderr]    Compiling glutin v0.26.0
[INFO] [stderr]    Compiling speedy2d v1.3.1
[INFO] [stderr]    Compiling rustdoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `helper`
[INFO] [stdout]    --> src/main.rs:304:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |         helper: &mut WindowHelper<()>,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_helper`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `button`
[INFO] [stdout]    --> src/main.rs:305:9
[INFO] [stdout]     |
[INFO] [stdout] 305 |         button: speedy2d::window::MouseButton,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_button`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `helper`
[INFO] [stdout]    --> src/main.rs:314:9
[INFO] [stdout]     |
[INFO] [stdout] 314 |         helper: &mut WindowHelper<()>,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_helper`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `helper`
[INFO] [stdout]    --> src/main.rs:329:9
[INFO] [stdout]     |
[INFO] [stdout] 329 |         helper: &mut WindowHelper<()>,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_helper`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `button`
[INFO] [stdout]    --> src/main.rs:330:9
[INFO] [stdout]     |
[INFO] [stdout] 330 |         button: speedy2d::window::MouseButton,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_button`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `helper`
[INFO] [stdout]    --> src/main.rs:340:9
[INFO] [stdout]     |
[INFO] [stdout] 340 |         helper: &mut WindowHelper<()>,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_helper`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scancode`
[INFO] [stdout]    --> src/main.rs:342:9
[INFO] [stdout]     |
[INFO] [stdout] 342 |         scancode: speedy2d::window::KeyScancode,
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scancode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 28s
[INFO] running `Command { std: "docker" "inspect" "fee7a4935b51aa7c1405a59b9a65dbfdf76267a1e7e4a5e5022a79b22ec28cca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fee7a4935b51aa7c1405a59b9a65dbfdf76267a1e7e4a5e5022a79b22ec28cca", kill_on_drop: false }`
[INFO] [stdout] fee7a4935b51aa7c1405a59b9a65dbfdf76267a1e7e4a5e5022a79b22ec28cca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59418804daafd36605821e488f0db2486dea922cae7cfa3002a830a70c9faa32
[INFO] running `Command { std: "docker" "start" "-a" "59418804daafd36605821e488f0db2486dea922cae7cfa3002a830a70c9faa32", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustdoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `helper`
[INFO] [stdout]    --> src/main.rs:304:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |         helper: &mut WindowHelper<()>,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_helper`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `button`
[INFO] [stdout]    --> src/main.rs:305:9
[INFO] [stdout]     |
[INFO] [stdout] 305 |         button: speedy2d::window::MouseButton,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_button`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `helper`
[INFO] [stdout]    --> src/main.rs:314:9
[INFO] [stdout]     |
[INFO] [stdout] 314 |         helper: &mut WindowHelper<()>,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_helper`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `helper`
[INFO] [stdout]    --> src/main.rs:329:9
[INFO] [stdout]     |
[INFO] [stdout] 329 |         helper: &mut WindowHelper<()>,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_helper`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `button`
[INFO] [stdout]    --> src/main.rs:330:9
[INFO] [stdout]     |
[INFO] [stdout] 330 |         button: speedy2d::window::MouseButton,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_button`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `helper`
[INFO] [stdout]    --> src/main.rs:340:9
[INFO] [stdout]     |
[INFO] [stdout] 340 |         helper: &mut WindowHelper<()>,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_helper`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scancode`
[INFO] [stdout]    --> src/main.rs:342:9
[INFO] [stdout]     |
[INFO] [stdout] 342 |         scancode: speedy2d::window::KeyScancode,
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scancode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "59418804daafd36605821e488f0db2486dea922cae7cfa3002a830a70c9faa32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59418804daafd36605821e488f0db2486dea922cae7cfa3002a830a70c9faa32", kill_on_drop: false }`
[INFO] [stdout] 59418804daafd36605821e488f0db2486dea922cae7cfa3002a830a70c9faa32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] feb70086d2f8955c41ca518df41ecdddbd09d5c140cd2cac6f7d2bcc4e34d676
[INFO] running `Command { std: "docker" "start" "-a" "feb70086d2f8955c41ca518df41ecdddbd09d5c140cd2cac6f7d2bcc4e34d676", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `helper`
[INFO] [stderr]    --> src/main.rs:304:9
[INFO] [stderr]     |
[INFO] [stderr] 304 |         helper: &mut WindowHelper<()>,
[INFO] [stderr]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_helper`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `button`
[INFO] [stderr]    --> src/main.rs:305:9
[INFO] [stderr]     |
[INFO] [stderr] 305 |         button: speedy2d::window::MouseButton,
[INFO] [stderr]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_button`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `helper`
[INFO] [stderr]    --> src/main.rs:314:9
[INFO] [stderr]     |
[INFO] [stderr] 314 |         helper: &mut WindowHelper<()>,
[INFO] [stderr]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_helper`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `helper`
[INFO] [stderr]    --> src/main.rs:329:9
[INFO] [stderr]     |
[INFO] [stderr] 329 |         helper: &mut WindowHelper<()>,
[INFO] [stderr]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_helper`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `button`
[INFO] [stderr]    --> src/main.rs:330:9
[INFO] [stderr]     |
[INFO] [stderr] 330 |         button: speedy2d::window::MouseButton,
[INFO] [stderr]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_button`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `helper`
[INFO] [stderr]    --> src/main.rs:340:9
[INFO] [stderr]     |
[INFO] [stderr] 340 |         helper: &mut WindowHelper<()>,
[INFO] [stderr]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_helper`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `scancode`
[INFO] [stderr]    --> src/main.rs:342:9
[INFO] [stderr]     |
[INFO] [stderr] 342 |         scancode: speedy2d::window::KeyScancode,
[INFO] [stderr]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scancode`
[INFO] [stderr] 
[INFO] [stderr] warning: `rustdoku` (bin "rustdoku" test) generated 7 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustdoku-dea31c5c3133e42c)
[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" "feb70086d2f8955c41ca518df41ecdddbd09d5c140cd2cac6f7d2bcc4e34d676", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "feb70086d2f8955c41ca518df41ecdddbd09d5c140cd2cac6f7d2bcc4e34d676", kill_on_drop: false }`
[INFO] [stdout] feb70086d2f8955c41ca518df41ecdddbd09d5c140cd2cac6f7d2bcc4e34d676
