Dec 18 08:21:44.492 INFO checking BorFour/procedural-level-generator against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 08:21:44.492 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/BorFour/procedural-level-generator:/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 08:21:45.134 INFO [stdout] b75f8eeaf35143de52b2f99d71e6a7c55fc8e292d9f66e944036341d73ec28f3
Dec 18 08:21:45.140 INFO running `"docker" "start" "-a" "b75f8eeaf35143de52b2f99d71e6a7c55fc8e292d9f66e944036341d73ec28f3"`
Dec 18 08:21:46.636 INFO [stderr]     Checking pathfinding v0.7.3
Dec 18 08:21:46.645 INFO [stderr]     Checking rsgenetic v1.7.14
Dec 18 08:21:48.046 INFO [stderr]     Checking level_generator v0.1.0 (/opt/crater/workdir)
Dec 18 08:21:49.188 INFO [stderr] warning: unused import: `position::search_path_in_level`
Dec 18 08:21:49.188 INFO [stderr]   --> src/natural_selection.rs:15:5
Dec 18 08:21:49.188 INFO [stderr]    |
Dec 18 08:21:49.188 INFO [stderr] 15 | use position::search_path_in_level;
Dec 18 08:21:49.188 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 08:21:49.212 INFO [stderr]    |
Dec 18 08:21:49.212 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 08:21:49.212 INFO [stderr] 
Dec 18 08:21:49.285 INFO [stderr] warning: unused import: `position::search_path_in_level`
Dec 18 08:21:49.285 INFO [stderr]   --> src/natural_selection.rs:15:5
Dec 18 08:21:49.285 INFO [stderr]    |
Dec 18 08:21:49.285 INFO [stderr] 15 | use position::search_path_in_level;
Dec 18 08:21:49.285 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 08:21:49.285 INFO [stderr]    |
Dec 18 08:21:49.285 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 08:21:49.285 INFO [stderr] 
Dec 18 08:21:49.593 INFO [stderr] warning: use of deprecated item 'rsgenetic::sim::select::TournamentSelector::new': The `TournamentSelector` requires at least 2 participants. This is not enforced
Dec 18 08:21:49.593 INFO [stderr]                        by the `new` function. You should use `new_checked` instead.
Dec 18 08:21:49.593 INFO [stderr]   --> src/natural_selection.rs:47:44
Dec 18 08:21:49.593 INFO [stderr]    |
Dec 18 08:21:49.593 INFO [stderr] 47 |                     .set_selector(Box::new(TournamentSelector::new(population_size/5, 10)))
Dec 18 08:21:49.593 INFO [stderr]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 08:21:49.593 INFO [stderr]    |
Dec 18 08:21:49.593 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 18 08:21:49.593 INFO [stderr] 
Dec 18 08:21:49.814 INFO [stderr] warning: use of deprecated item 'rsgenetic::sim::select::TournamentSelector::new': The `TournamentSelector` requires at least 2 participants. This is not enforced
Dec 18 08:21:49.814 INFO [stderr]                        by the `new` function. You should use `new_checked` instead.
Dec 18 08:21:49.814 INFO [stderr]   --> src/natural_selection.rs:47:44
Dec 18 08:21:49.814 INFO [stderr]    |
Dec 18 08:21:49.814 INFO [stderr] 47 |                     .set_selector(Box::new(TournamentSelector::new(population_size/5, 10)))
Dec 18 08:21:49.814 INFO [stderr]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 08:21:49.814 INFO [stderr]    |
Dec 18 08:21:49.814 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 18 08:21:49.815 INFO [stderr] 
Dec 18 08:21:49.980 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 08:21:49.980 INFO [stderr]   --> src/natural_selection.rs:57:9
Dec 18 08:21:49.980 INFO [stderr]    |
Dec 18 08:21:49.980 INFO [stderr] 57 |         stdout().flush();
Dec 18 08:21:49.980 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^
Dec 18 08:21:49.980 INFO [stderr]    |
Dec 18 08:21:49.980 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 08:21:49.980 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 08:21:49.980 INFO [stderr] 
Dec 18 08:21:50.080 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 08:21:50.080 INFO [stderr]   --> src/natural_selection.rs:57:9
Dec 18 08:21:50.080 INFO [stderr]    |
Dec 18 08:21:50.080 INFO [stderr] 57 |         stdout().flush();
Dec 18 08:21:50.080 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^
Dec 18 08:21:50.080 INFO [stderr]    |
Dec 18 08:21:50.080 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 08:21:50.080 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 08:21:50.080 INFO [stderr] 
Dec 18 08:21:50.142 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.61s
Dec 18 08:21:50.972 INFO running `"docker" "inspect" "b75f8eeaf35143de52b2f99d71e6a7c55fc8e292d9f66e944036341d73ec28f3"`
Dec 18 08:21:51.202 INFO running `"docker" "rm" "-f" "b75f8eeaf35143de52b2f99d71e6a7c55fc8e292d9f66e944036341d73ec28f3"`
Dec 18 08:21:51.529 INFO [stdout] b75f8eeaf35143de52b2f99d71e6a7c55fc8e292d9f66e944036341d73ec28f3