Dec 19 15:27:01.363 INFO checking jakobbeckmann/sudoku against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 15:27:01.364 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/jakobbeckmann/sudoku:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 15:27:01.542 INFO [stdout] f070f8f084feb7e344bc8d5db35a3bc1af01420507fa06f74a7222f733399afb
Dec 19 15:27:01.546 INFO running `"docker" "start" "-a" "f070f8f084feb7e344bc8d5db35a3bc1af01420507fa06f74a7222f733399afb"`
Dec 19 15:27:02.546 INFO [stderr]     Checking bitflags v1.0.0
Dec 19 15:27:02.551 INFO [stderr]     Checking num-rational v0.1.40
Dec 19 15:27:02.553 INFO [stderr]    Compiling glutin v0.10.1
Dec 19 15:27:02.555 INFO [stderr]     Checking piston2d-graphics v0.23.0
Dec 19 15:27:02.560 INFO [stderr]     Checking wayland-window v0.8.0
Dec 19 15:27:03.570 INFO [stderr]     Checking pistoncore-input v0.20.0
Dec 19 15:27:03.570 INFO [stderr]     Checking png v0.11.0
Dec 19 15:27:04.350 INFO [stderr]     Checking winit v0.8.3
Dec 19 15:27:06.148 INFO [stderr]     Checking image v0.17.0
Dec 19 15:27:09.732 INFO [stderr]     Checking pistoncore-window v0.30.0
Dec 19 15:27:12.790 INFO [stderr]     Checking pistoncore-event_loop v0.35.0
Dec 19 15:27:13.736 INFO [stderr]     Checking piston v0.35.0
Dec 19 15:27:14.285 INFO [stderr]     Checking piston2d-opengl_graphics v0.49.0
Dec 19 15:27:18.480 INFO [stderr]     Checking pistoncore-glutin_window v0.42.0
Dec 19 15:27:19.332 INFO [stderr]     Checking sudoku v0.1.0 (/opt/crater/workdir)
Dec 19 15:27:20.860 INFO [stderr] warning: unused variable: `idx`
Dec 19 15:27:20.860 INFO [stderr]   --> src/gameboard.rs:63:17
Dec 19 15:27:20.860 INFO [stderr]    |
Dec 19 15:27:20.860 INFO [stderr] 63 |             for idx in 0..80 {
Dec 19 15:27:20.860 INFO [stderr]    |                 ^^^ help: consider using `_idx` instead
Dec 19 15:27:20.860 INFO [stderr]    |
Dec 19 15:27:20.860 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 15:27:20.860 INFO [stderr] 
Dec 19 15:27:21.088 INFO [stderr] warning: unused variable: `idx`
Dec 19 15:27:21.088 INFO [stderr]   --> src/gameboard.rs:63:17
Dec 19 15:27:21.088 INFO [stderr]    |
Dec 19 15:27:21.088 INFO [stderr] 63 |             for idx in 0..80 {
Dec 19 15:27:21.088 INFO [stderr]    |                 ^^^ help: consider using `_idx` instead
Dec 19 15:27:21.108 INFO [stderr]    |
Dec 19 15:27:21.108 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 15:27:21.108 INFO [stderr] 
Dec 19 15:27:21.188 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.85s
Dec 19 15:27:22.268 INFO running `"docker" "inspect" "f070f8f084feb7e344bc8d5db35a3bc1af01420507fa06f74a7222f733399afb"`
Dec 19 15:27:22.694 INFO running `"docker" "rm" "-f" "f070f8f084feb7e344bc8d5db35a3bc1af01420507fa06f74a7222f733399afb"`
Dec 19 15:27:23.000 INFO [stdout] f070f8f084feb7e344bc8d5db35a3bc1af01420507fa06f74a7222f733399afb