Dec 05 02:14:01.594 INFO checking H2CO3/sudoku against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 02:14:01.594 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 05 02:14:01.871 INFO [stdout] 47a3f20905817d4aaa086cec72937d06fd1a6f6762ef5b708c063bebdc4ab4d4
Dec 05 02:14:01.873 INFO running `"docker" "start" "-a" "47a3f20905817d4aaa086cec72937d06fd1a6f6762ef5b708c063bebdc4ab4d4"`
Dec 05 02:14:02.285 INFO [stderr] usermod: no changes
Dec 05 02:14:02.309 INFO [stderr]     Checking sudoku v0.1.0 (/source)
Dec 05 02:14:02.697 INFO [stderr] warning: unused variable: `s2`
Dec 05 02:14:02.697 INFO [stderr]    --> src/main.rs:113:9
Dec 05 02:14:02.697 INFO [stderr]     |
Dec 05 02:14:02.697 INFO [stderr] 113 |     let s2 = Grid {
Dec 05 02:14:02.698 INFO [stderr]     |         ^^ help: consider using `_s2` instead
Dec 05 02:14:02.698 INFO [stderr]     |
Dec 05 02:14:02.698 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 05 02:14:02.703 INFO [stderr] 
Dec 05 02:14:02.902 INFO [stderr] warning: unused variable: `s2`
Dec 05 02:14:02.902 INFO [stderr]    --> src/main.rs:113:9
Dec 05 02:14:02.902 INFO [stderr]     |
Dec 05 02:14:02.902 INFO [stderr] 113 |     let s2 = Grid {
Dec 05 02:14:02.902 INFO [stderr]     |         ^^ help: consider using `_s2` instead
Dec 05 02:14:02.902 INFO [stderr]     |
Dec 05 02:14:02.902 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 05 02:14:02.902 INFO [stderr] 
Dec 05 02:14:02.984 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
Dec 05 02:14:02.993 INFO [stderr] su: No module specific data is present
Dec 05 02:14:03.566 INFO running `"docker" "inspect" "47a3f20905817d4aaa086cec72937d06fd1a6f6762ef5b708c063bebdc4ab4d4"`
Dec 05 02:14:03.743 INFO running `"docker" "rm" "-f" "47a3f20905817d4aaa086cec72937d06fd1a6f6762ef5b708c063bebdc4ab4d4"`
Dec 05 02:14:04.018 INFO [stdout] 47a3f20905817d4aaa086cec72937d06fd1a6f6762ef5b708c063bebdc4ab4d4