Dec 18 16:58:45.152 INFO checking dlx-0.1.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 16:58:45.152 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/dlx/0.1.0:/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 16:58:45.491 INFO [stdout] 33144b27bf6bcf520759790a0bfc23c7f828e896a489c2d1cd927f6feadcd7c6
Dec 18 16:58:45.494 INFO running `"docker" "start" "-a" "33144b27bf6bcf520759790a0bfc23c7f828e896a489c2d1cd927f6feadcd7c6"`
Dec 18 16:58:46.418 INFO [stderr]     Checking dlx v0.1.0 (/opt/crater/workdir)
Dec 18 16:58:47.328 INFO [stderr] warning: doc comment not used by rustdoc
Dec 18 16:58:47.328 INFO [stderr]   --> examples/sudoku.rs:91:9
Dec 18 16:58:47.328 INFO [stderr]    |
Dec 18 16:58:47.328 INFO [stderr] 91 |         /// Convert the rows from the exact cover matrix into a
Dec 18 16:58:47.328 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 16:58:47.328 INFO [stderr]    |
Dec 18 16:58:47.328 INFO [stderr]    = note: #[warn(unused_doc_comments)] on by default
Dec 18 16:58:47.328 INFO [stderr] 
Dec 18 16:58:47.432 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
Dec 18 16:58:47.793 INFO running `"docker" "inspect" "33144b27bf6bcf520759790a0bfc23c7f828e896a489c2d1cd927f6feadcd7c6"`
Dec 18 16:58:47.900 INFO running `"docker" "rm" "-f" "33144b27bf6bcf520759790a0bfc23c7f828e896a489c2d1cd927f6feadcd7c6"`
Dec 18 16:58:48.013 INFO [stdout] 33144b27bf6bcf520759790a0bfc23c7f828e896a489c2d1cd927f6feadcd7c6