Dec 05 00:24:20.704 INFO checking Regan-Koopmans/n-queens against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 00:24:20.704 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 00:24:21.140 INFO [stdout] a06da17e058148d3cbd7e27a995560d2955712aa2269aeeabc2574b3da3a9ef5
Dec 05 00:24:21.145 INFO running `"docker" "start" "-a" "a06da17e058148d3cbd7e27a995560d2955712aa2269aeeabc2574b3da3a9ef5"`
Dec 05 00:24:22.394 INFO [stderr] usermod: no changes
Dec 05 00:24:22.491 INFO [stderr]     Checking n-queens v0.1.0 (/source)
Dec 05 00:24:23.041 INFO [stderr] warning: unused import: `std::process`
Dec 05 00:24:23.041 INFO [stderr]  --> src/main.rs:5:5
Dec 05 00:24:23.041 INFO [stderr]   |
Dec 05 00:24:23.041 INFO [stderr] 5 | use std::process;
Dec 05 00:24:23.041 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 05 00:24:23.041 INFO [stderr]   |
Dec 05 00:24:23.041 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 00:24:23.041 INFO [stderr] 
Dec 05 00:24:23.255 INFO [stderr] warning: unused import: `std::process`
Dec 05 00:24:23.255 INFO [stderr]  --> src/main.rs:5:5
Dec 05 00:24:23.255 INFO [stderr]   |
Dec 05 00:24:23.255 INFO [stderr] 5 | use std::process;
Dec 05 00:24:23.255 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 05 00:24:23.255 INFO [stderr]   |
Dec 05 00:24:23.255 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 00:24:23.255 INFO [stderr] 
Dec 05 00:24:23.359 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
Dec 05 00:24:23.359 INFO [stderr] su: No module specific data is present
Dec 05 00:24:24.282 INFO running `"docker" "inspect" "a06da17e058148d3cbd7e27a995560d2955712aa2269aeeabc2574b3da3a9ef5"`
Dec 05 00:24:24.695 INFO running `"docker" "rm" "-f" "a06da17e058148d3cbd7e27a995560d2955712aa2269aeeabc2574b3da3a9ef5"`
Dec 05 00:24:25.075 INFO [stdout] a06da17e058148d3cbd7e27a995560d2955712aa2269aeeabc2574b3da3a9ef5