Dec 04 17:36:30.543 INFO checking howeih/Day-23-Sudoku against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 17:36:30.544 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 17:36:30.698 INFO [stdout] 0a25b38ca50b7599cbd4507b20a34c9997e6be434c91f008967b6103dd95b8a3
Dec 04 17:36:30.699 INFO running `"docker" "start" "-a" "0a25b38ca50b7599cbd4507b20a34c9997e6be434c91f008967b6103dd95b8a3"`
Dec 04 17:36:31.249 INFO [stderr] usermod: no changes
Dec 04 17:36:31.339 INFO [stderr]     Checking num-complex v0.1.43
Dec 04 17:36:32.351 INFO [stderr]     Checking ndarray v0.11.2
Dec 04 17:36:38.930 INFO [stderr]     Checking sudoku v0.1.0 (/source)
Dec 04 17:36:39.570 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.30s
Dec 04 17:36:39.570 INFO [stderr] su: No module specific data is present
Dec 04 17:36:39.853 INFO running `"docker" "inspect" "0a25b38ca50b7599cbd4507b20a34c9997e6be434c91f008967b6103dd95b8a3"`
Dec 04 17:36:39.992 INFO running `"docker" "rm" "-f" "0a25b38ca50b7599cbd4507b20a34c9997e6be434c91f008967b6103dd95b8a3"`
Dec 04 17:36:40.082 INFO [stdout] 0a25b38ca50b7599cbd4507b20a34c9997e6be434c91f008967b6103dd95b8a3