Dec 04 16:08:37.472 INFO checking k2bd/star_battle_mc_solver against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 16:08:37.472 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 04 16:08:37.658 INFO [stdout] e3c4369721e11c8c7ddbb15df476a888afd835c6aaf5a62d87b2aad00c7a2268
Dec 04 16:08:37.660 INFO running `"docker" "start" "-a" "e3c4369721e11c8c7ddbb15df476a888afd835c6aaf5a62d87b2aad00c7a2268"`
Dec 04 16:08:38.642 INFO [stderr] usermod: no changes
Dec 04 16:08:38.770 INFO [stderr]     Checking star_battle v0.1.0 (/source)
Dec 04 16:08:39.423 INFO [stderr] warning: unused import: `rand::Rng`
Dec 04 16:08:39.423 INFO [stderr]  --> src/main.rs:6:5
Dec 04 16:08:39.423 INFO [stderr]   |
Dec 04 16:08:39.423 INFO [stderr] 6 | use rand::Rng;
Dec 04 16:08:39.423 INFO [stderr]   |     ^^^^^^^^^
Dec 04 16:08:39.423 INFO [stderr]   |
Dec 04 16:08:39.423 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 16:08:39.423 INFO [stderr] 
Dec 04 16:08:39.563 INFO [stderr] warning: unused import: `rand::Rng`
Dec 04 16:08:39.563 INFO [stderr]  --> src/main.rs:6:5
Dec 04 16:08:39.563 INFO [stderr]   |
Dec 04 16:08:39.563 INFO [stderr] 6 | use rand::Rng;
Dec 04 16:08:39.563 INFO [stderr]   |     ^^^^^^^^^
Dec 04 16:08:39.563 INFO [stderr]   |
Dec 04 16:08:39.563 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 16:08:39.563 INFO [stderr] 
Dec 04 16:08:39.571 INFO [stderr] warning: unused variable: `regions`
Dec 04 16:08:39.571 INFO [stderr]   --> src/main.rs:92:39
Dec 04 16:08:39.571 INFO [stderr]    |
Dec 04 16:08:39.571 INFO [stderr] 92 | fn score(star_board: &Vec<Vec<bool>>, regions: &Vec<Vec<char>>, n_stars: usize) -> usize {
Dec 04 16:08:39.571 INFO [stderr]    |                                       ^^^^^^^ help: consider using `_regions` instead
Dec 04 16:08:39.571 INFO [stderr]    |
Dec 04 16:08:39.571 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 16:08:39.571 INFO [stderr] 
Dec 04 16:08:39.571 INFO [stderr] warning: unused variable: `row`
Dec 04 16:08:39.571 INFO [stderr]    --> src/main.rs:131:9
Dec 04 16:08:39.571 INFO [stderr]     |
Dec 04 16:08:39.571 INFO [stderr] 131 |     for row in board {
Dec 04 16:08:39.571 INFO [stderr]     |         ^^^ help: consider using `_row` instead
Dec 04 16:08:39.571 INFO [stderr] 
Dec 04 16:08:39.583 INFO [stderr] warning: variable does not need to be mutable
Dec 04 16:08:39.583 INFO [stderr]   --> src/main.rs:14:9
Dec 04 16:08:39.583 INFO [stderr]    |
Dec 04 16:08:39.583 INFO [stderr] 14 |     let mut filename;
Dec 04 16:08:39.583 INFO [stderr]    |         ----^^^^^^^^
Dec 04 16:08:39.583 INFO [stderr]    |         |
Dec 04 16:08:39.583 INFO [stderr]    |         help: remove this `mut`
Dec 04 16:08:39.583 INFO [stderr]    |
Dec 04 16:08:39.583 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 16:08:39.583 INFO [stderr] 
Dec 04 16:08:39.683 INFO [stderr] warning: unused variable: `regions`
Dec 04 16:08:39.683 INFO [stderr]   --> src/main.rs:92:39
Dec 04 16:08:39.683 INFO [stderr]    |
Dec 04 16:08:39.683 INFO [stderr] 92 | fn score(star_board: &Vec<Vec<bool>>, regions: &Vec<Vec<char>>, n_stars: usize) -> usize {
Dec 04 16:08:39.683 INFO [stderr]    |                                       ^^^^^^^ help: consider using `_regions` instead
Dec 04 16:08:39.683 INFO [stderr]    |
Dec 04 16:08:39.683 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 16:08:39.683 INFO [stderr] 
Dec 04 16:08:39.683 INFO [stderr] warning: unused variable: `row`
Dec 04 16:08:39.683 INFO [stderr]    --> src/main.rs:131:9
Dec 04 16:08:39.683 INFO [stderr]     |
Dec 04 16:08:39.683 INFO [stderr] 131 |     for row in board {
Dec 04 16:08:39.683 INFO [stderr]     |         ^^^ help: consider using `_row` instead
Dec 04 16:08:39.683 INFO [stderr] 
Dec 04 16:08:39.699 INFO [stderr] warning: variable does not need to be mutable
Dec 04 16:08:39.699 INFO [stderr]   --> src/main.rs:14:9
Dec 04 16:08:39.699 INFO [stderr]    |
Dec 04 16:08:39.699 INFO [stderr] 14 |     let mut filename;
Dec 04 16:08:39.699 INFO [stderr]    |         ----^^^^^^^^
Dec 04 16:08:39.699 INFO [stderr]    |         |
Dec 04 16:08:39.699 INFO [stderr]    |         help: remove this `mut`
Dec 04 16:08:39.699 INFO [stderr]    |
Dec 04 16:08:39.699 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 16:08:39.699 INFO [stderr] 
Dec 04 16:08:39.751 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
Dec 04 16:08:39.759 INFO [stderr] su: No module specific data is present
Dec 04 16:08:40.565 INFO running `"docker" "inspect" "e3c4369721e11c8c7ddbb15df476a888afd835c6aaf5a62d87b2aad00c7a2268"`
Dec 04 16:08:40.985 INFO running `"docker" "rm" "-f" "e3c4369721e11c8c7ddbb15df476a888afd835c6aaf5a62d87b2aad00c7a2268"`
Dec 04 16:08:41.432 INFO [stdout] e3c4369721e11c8c7ddbb15df476a888afd835c6aaf5a62d87b2aad00c7a2268