Dec 19 19:51:28.317 INFO checking binarybana/sudok against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 19:51:28.317 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-6/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/binarybana/sudok:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 19:51:28.775 INFO [stdout] 8f79e536f8299a8642e4aca5e7e3e84454bef8d073ecc98ae2dcbe7872fe898b
Dec 19 19:51:28.778 INFO running `"docker" "start" "-a" "8f79e536f8299a8642e4aca5e7e3e84454bef8d073ecc98ae2dcbe7872fe898b"`
Dec 19 19:51:30.480 INFO [stderr]     Checking regex v0.2.3
Dec 19 19:51:30.480 INFO [stderr]     Checking rayon v0.9.0
Dec 19 19:51:33.296 INFO [stderr]     Checking env_logger v0.4.3
Dec 19 19:51:34.696 INFO [stderr]     Checking sudok v0.1.0 (/opt/crater/workdir)
Dec 19 19:51:35.660 INFO [stderr] warning: method is never used: `singleton`
Dec 19 19:51:35.660 INFO [stderr]  --> src/bitcube.rs:7:5
Dec 19 19:51:35.660 INFO [stderr]   |
Dec 19 19:51:35.660 INFO [stderr] 7 |     pub fn singleton(val: usize) -> Cell {
Dec 19 19:51:35.660 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:51:35.660 INFO [stderr]   |
Dec 19 19:51:35.660 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 19:51:35.660 INFO [stderr] 
Dec 19 19:51:35.660 INFO [stderr] warning: method is never used: `set`
Dec 19 19:51:35.660 INFO [stderr]   --> src/bitcube.rs:15:5
Dec 19 19:51:35.660 INFO [stderr]    |
Dec 19 19:51:35.660 INFO [stderr] 15 |     pub fn set(&mut self, index: usize) {
Dec 19 19:51:35.660 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:51:35.660 INFO [stderr] 
Dec 19 19:51:35.720 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.31s
Dec 19 19:51:36.644 INFO running `"docker" "inspect" "8f79e536f8299a8642e4aca5e7e3e84454bef8d073ecc98ae2dcbe7872fe898b"`
Dec 19 19:51:36.970 INFO running `"docker" "rm" "-f" "8f79e536f8299a8642e4aca5e7e3e84454bef8d073ecc98ae2dcbe7872fe898b"`
Dec 19 19:51:37.296 INFO [stdout] 8f79e536f8299a8642e4aca5e7e3e84454bef8d073ecc98ae2dcbe7872fe898b