Dec 18 05:43:22.467 INFO checking Regan-Koopmans/n-queens against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 05:43:22.467 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/Regan-Koopmans/n-queens:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 05:43:22.970 INFO [stdout] 41a814299becad1a7f6b5d72ad9a230cc589ea9ef8910a67869e8f3e9ecd4d13
Dec 18 05:43:22.976 INFO running `"docker" "start" "-a" "41a814299becad1a7f6b5d72ad9a230cc589ea9ef8910a67869e8f3e9ecd4d13"`
Dec 18 05:43:24.748 INFO [stderr]     Checking n-queens v0.1.0 (/opt/crater/workdir)
Dec 18 05:43:25.146 INFO [stderr] warning: unused import: `std::process`
Dec 18 05:43:25.146 INFO [stderr]  --> src/main.rs:5:5
Dec 18 05:43:25.146 INFO [stderr]   |
Dec 18 05:43:25.146 INFO [stderr] 5 | use std::process;
Dec 18 05:43:25.146 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 18 05:43:25.146 INFO [stderr]   |
Dec 18 05:43:25.146 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 05:43:25.146 INFO [stderr] 
Dec 18 05:43:25.164 INFO [stderr] warning: unused import: `std::process`
Dec 18 05:43:25.164 INFO [stderr]  --> src/main.rs:5:5
Dec 18 05:43:25.164 INFO [stderr]   |
Dec 18 05:43:25.164 INFO [stderr] 5 | use std::process;
Dec 18 05:43:25.164 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 18 05:43:25.164 INFO [stderr]   |
Dec 18 05:43:25.164 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 05:43:25.164 INFO [stderr] 
Dec 18 05:43:25.372 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
Dec 18 05:43:26.104 INFO running `"docker" "inspect" "41a814299becad1a7f6b5d72ad9a230cc589ea9ef8910a67869e8f3e9ecd4d13"`
Dec 18 05:43:26.438 INFO running `"docker" "rm" "-f" "41a814299becad1a7f6b5d72ad9a230cc589ea9ef8910a67869e8f3e9ecd4d13"`
Dec 18 05:43:26.736 INFO [stdout] 41a814299becad1a7f6b5d72ad9a230cc589ea9ef8910a67869e8f3e9ecd4d13