[INFO] cloning repository https://github.com/sdbondi/rust-sudoku-solver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sdbondi/rust-sudoku-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdbondi%2Frust-sudoku-solver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdbondi%2Frust-sudoku-solver'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ed82543988f6c485955e2a7ae6c503bbcefd6b7a [INFO] checking sdbondi/rust-sudoku-solver against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdbondi%2Frust-sudoku-solver" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sdbondi/rust-sudoku-solver on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sdbondi/rust-sudoku-solver [INFO] finished tweaking git repo https://github.com/sdbondi/rust-sudoku-solver [INFO] tweaked toml for git repo https://github.com/sdbondi/rust-sudoku-solver written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/sdbondi/rust-sudoku-solver already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pistoncore-sdl2_window v0.50.0 [INFO] [stderr] Downloaded piston-gfx_texture v0.32.0 [INFO] [stderr] Downloaded x11-dl v2.18.1 [INFO] [stderr] Downloaded piston2d-gfx_graphics v0.51.0 [INFO] [stderr] Downloaded quote v0.6.4 [INFO] [stderr] Downloaded piston_window v0.80.0 [INFO] [stderr] Downloaded syn v0.14.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bc88724653dfe8e2e054f194a006102c3b1ee37edba4f872c12244a26cbb6103 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "bc88724653dfe8e2e054f194a006102c3b1ee37edba4f872c12244a26cbb6103", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bc88724653dfe8e2e054f194a006102c3b1ee37edba4f872c12244a26cbb6103", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bc88724653dfe8e2e054f194a006102c3b1ee37edba4f872c12244a26cbb6103", kill_on_drop: false }` [INFO] [stdout] bc88724653dfe8e2e054f194a006102c3b1ee37edba4f872c12244a26cbb6103 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bcc8c994252b7ff96ddb373b9d019b8c710821cb57dc19a18e282da7b2f72180 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "bcc8c994252b7ff96ddb373b9d019b8c710821cb57dc19a18e282da7b2f72180", kill_on_drop: false }` [INFO] [stderr] Compiling bitflags v1.0.3 [INFO] [stderr] Checking lazy_static v1.0.2 [INFO] [stderr] Compiling cfg-if v0.1.4 [INFO] [stderr] Compiling num-traits v0.2.5 [INFO] [stderr] Compiling khronos_api v2.2.0 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling cc v1.0.18 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Checking piston-float v0.3.0 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Compiling serde v1.0.70 [INFO] [stderr] Checking shader_version v0.3.0 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling rayon v1.0.2 [INFO] [stderr] Checking token_store v0.1.2 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Compiling either v1.5.0 [INFO] [stderr] Compiling pkg-config v0.3.12 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking remove_dir_all v0.5.1 [INFO] [stderr] Checking piston-texture v0.6.0 [INFO] [stderr] Checking read_color v1.0.0 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking piston-shaders_graphics2d v0.3.1 [INFO] [stderr] Checking memmap v0.6.2 [INFO] [stderr] Checking draw_state v0.8.0 [INFO] [stderr] Checking stb_truetype v0.2.2 [INFO] [stderr] Compiling xml-rs v0.7.0 [INFO] [stderr] Compiling proc-macro2 v0.4.9 [INFO] [stderr] Compiling log v0.4.3 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Compiling sdl2-sys v0.31.0 [INFO] [stderr] Checking piston-viewport v0.3.0 [INFO] [stderr] Checking vecmath v0.3.1 [INFO] [stderr] Checking inflate v0.4.3 [INFO] [stderr] Checking deflate v0.7.18 [INFO] [stderr] Checking shared_library v0.1.9 [INFO] [stderr] Checking rand v0.5.4 [INFO] [stderr] Checking unreachable v0.1.1 [INFO] [stderr] Checking gif v0.10.0 [INFO] [stderr] Compiling itertools v0.5.10 [INFO] [stderr] Compiling syn v0.10.8 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Checking osmesa-sys v0.1.2 [INFO] [stderr] Compiling quote v0.6.4 [INFO] [stderr] Compiling gl_generator v0.9.0 [INFO] [stderr] Compiling wayland-scanner v0.12.5 [INFO] [stderr] Compiling syn v0.14.5 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Compiling x11-dl v2.18.1 [INFO] [stderr] Checking tempfile v3.0.3 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Compiling libloading v0.5.0 [INFO] [stderr] Checking ordered-float v0.5.0 [INFO] [stderr] Compiling wayland-client v0.12.5 [INFO] [stderr] Compiling wayland-protocols v0.12.5 [INFO] [stderr] Checking rusttype v0.4.3 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking png v0.12.0 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Compiling gl v0.10.0 [INFO] [stderr] Compiling glutin v0.14.0 [INFO] [stderr] Compiling gfx_gl v0.5.0 [INFO] [stderr] Checking sdl2 v0.31.0 [INFO] [stderr] Checking piston2d-graphics v0.26.0 [INFO] [stderr] Checking jpeg-decoder v0.1.15 [INFO] [stderr] Checking dlib v0.4.1 [INFO] [stderr] Checking wayland-sys v0.12.5 [INFO] [stderr] Checking wayland-kbd v0.13.1 [INFO] [stderr] Compiling serde_derive v1.0.70 [INFO] [stderr] Compiling num-derive v0.2.2 [INFO] [stderr] Compiling derivative v1.0.0 [INFO] [stderr] Checking image v0.19.0 [INFO] [stderr] Checking wayland-window v0.13.3 [INFO] [stderr] Checking winit v0.12.0 [INFO] [stderr] Checking gfx_core v0.8.2 [INFO] [stderr] Checking piston2d-opengl_graphics v0.53.0 [INFO] [stderr] Checking gfx v0.17.1 [INFO] [stderr] Checking gfx_device_gl v0.15.3 [INFO] [stderr] Checking piston-gfx_texture v0.32.0 [INFO] [stderr] Checking piston2d-gfx_graphics v0.51.0 [INFO] [stderr] Checking pistoncore-input v0.21.0 [INFO] [stderr] Checking pistoncore-window v0.32.0 [INFO] [stderr] Checking pistoncore-event_loop v0.37.0 [INFO] [stderr] Checking pistoncore-glutin_window v0.47.0 [INFO] [stderr] Checking pistoncore-sdl2_window v0.50.0 [INFO] [stderr] Checking piston v0.37.0 [INFO] [stderr] Checking piston_window v0.80.0 [INFO] [stderr] Checking sudoku-solver v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `piston::event_loop::*` [INFO] [stdout] --> src/cell.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use piston::event_loop::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `piston::event_loop::*` [INFO] [stdout] --> src/cell.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use piston::event_loop::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `board` [INFO] [stdout] --> src/board.rs:15:3 [INFO] [stdout] | [INFO] [stdout] 15 | board: [[u8; BOARD_SIZE]; BOARD_SIZE], [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Selected` [INFO] [stdout] --> src/cell.rs:12:3 [INFO] [stdout] | [INFO] [stdout] 12 | Selected, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `number` [INFO] [stdout] --> src/cell.rs:21:3 [INFO] [stdout] | [INFO] [stdout] 21 | number: u8, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `board` [INFO] [stdout] --> src/board.rs:15:3 [INFO] [stdout] | [INFO] [stdout] 15 | board: [[u8; BOARD_SIZE]; BOARD_SIZE], [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Selected` [INFO] [stdout] --> src/cell.rs:12:3 [INFO] [stdout] | [INFO] [stdout] 12 | Selected, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `number` [INFO] [stdout] --> src/cell.rs:21:3 [INFO] [stdout] | [INFO] [stdout] 21 | number: u8, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 29.41s [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "bcc8c994252b7ff96ddb373b9d019b8c710821cb57dc19a18e282da7b2f72180", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bcc8c994252b7ff96ddb373b9d019b8c710821cb57dc19a18e282da7b2f72180", kill_on_drop: false }` [INFO] [stdout] bcc8c994252b7ff96ddb373b9d019b8c710821cb57dc19a18e282da7b2f72180