Dec 19 18:42:54.451 INFO checking creators/cli.sudoku.rs against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 18:42:54.451 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/creators/cli.sudoku.rs:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 18:42:54.910 INFO [stdout] 366d583a8b28b2470ace59aa990fc9605e553ac6124862115005ad0485bcfaeb
Dec 19 18:42:54.912 INFO running `"docker" "start" "-a" "366d583a8b28b2470ace59aa990fc9605e553ac6124862115005ad0485bcfaeb"`
Dec 19 18:42:57.984 INFO [stderr]    Compiling libc v0.2.45
Dec 19 18:42:57.984 INFO [stderr]    Compiling sudoku v0.1.0 (/opt/crater/workdir)
Dec 19 18:43:00.777 INFO [stderr]     Checking rand v0.6.1
Dec 19 18:43:03.999 INFO [stderr] warning: field is never used: `editable`
Dec 19 18:43:04.001 INFO [stderr]  --> src/main.rs:9:5
Dec 19 18:43:04.001 INFO [stderr]   |
Dec 19 18:43:04.001 INFO [stderr] 9 |     editable: bool
Dec 19 18:43:04.001 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 19 18:43:04.029 INFO [stderr]   |
Dec 19 18:43:04.029 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 18:43:04.029 INFO [stderr] 
Dec 19 18:43:04.040 INFO [stderr] warning: field is never used: `editable`
Dec 19 18:43:04.040 INFO [stderr]  --> src/main.rs:9:5
Dec 19 18:43:04.040 INFO [stderr]   |
Dec 19 18:43:04.040 INFO [stderr] 9 |     editable: bool
Dec 19 18:43:04.040 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 19 18:43:04.040 INFO [stderr]   |
Dec 19 18:43:04.040 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 18:43:04.040 INFO [stderr] 
Dec 19 18:43:04.095 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.18s
Dec 19 18:43:04.830 INFO running `"docker" "inspect" "366d583a8b28b2470ace59aa990fc9605e553ac6124862115005ad0485bcfaeb"`
Dec 19 18:43:05.194 INFO running `"docker" "rm" "-f" "366d583a8b28b2470ace59aa990fc9605e553ac6124862115005ad0485bcfaeb"`
Dec 19 18:43:05.588 INFO [stdout] 366d583a8b28b2470ace59aa990fc9605e553ac6124862115005ad0485bcfaeb