Dec 18 02:07:21.949 INFO checking crazymerlyn/sudoku against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 02:07:21.949 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/crazymerlyn/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 02:07:22.667 INFO [stdout] 081c87211362f2bacf5d018a5fa7ed78833d87c251b3c991d13ba04bda24ccbb
Dec 18 02:07:22.672 INFO running `"docker" "start" "-a" "081c87211362f2bacf5d018a5fa7ed78833d87c251b3c991d13ba04bda24ccbb"`
Dec 18 02:07:24.129 INFO [stderr]     Checking termion v1.3.0
Dec 18 02:07:25.012 INFO [stderr]     Checking sudoku v0.1.0 (/opt/crater/workdir)
Dec 18 02:07:26.072 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.99s
Dec 18 02:07:27.136 INFO running `"docker" "inspect" "081c87211362f2bacf5d018a5fa7ed78833d87c251b3c991d13ba04bda24ccbb"`
Dec 18 02:07:27.470 INFO running `"docker" "rm" "-f" "081c87211362f2bacf5d018a5fa7ed78833d87c251b3c991d13ba04bda24ccbb"`
Dec 18 02:07:27.836 INFO [stdout] 081c87211362f2bacf5d018a5fa7ed78833d87c251b3c991d13ba04bda24ccbb