Dec 19 14:40:13.517 INFO checking k2bd/star_battle_mc_solver against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 14:40:13.517 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/k2bd/star_battle_mc_solver:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 14:40:13.920 INFO [stdout] e39b0a9ad01cbc33c834a0674774bac54ed0a29db7668fb0c766cca384d9ac08
Dec 19 14:40:13.924 INFO running `"docker" "start" "-a" "e39b0a9ad01cbc33c834a0674774bac54ed0a29db7668fb0c766cca384d9ac08"`
Dec 19 14:40:14.932 INFO [stderr]     Checking star_battle v0.1.0 (/opt/crater/workdir)
Dec 19 14:40:15.199 INFO [stderr] warning: unused import: `rand::Rng`
Dec 19 14:40:15.199 INFO [stderr]  --> src/main.rs:6:5
Dec 19 14:40:15.199 INFO [stderr]   |
Dec 19 14:40:15.199 INFO [stderr] 6 | use rand::Rng;
Dec 19 14:40:15.199 INFO [stderr]   |     ^^^^^^^^^
Dec 19 14:40:15.199 INFO [stderr]   |
Dec 19 14:40:15.199 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 14:40:15.199 INFO [stderr] 
Dec 19 14:40:15.216 INFO [stderr] warning: unused import: `rand::Rng`
Dec 19 14:40:15.216 INFO [stderr]  --> src/main.rs:6:5
Dec 19 14:40:15.216 INFO [stderr]   |
Dec 19 14:40:15.216 INFO [stderr] 6 | use rand::Rng;
Dec 19 14:40:15.216 INFO [stderr]   |     ^^^^^^^^^
Dec 19 14:40:15.216 INFO [stderr]   |
Dec 19 14:40:15.216 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 14:40:15.216 INFO [stderr] 
Dec 19 14:40:15.332 INFO [stderr] warning: unused variable: `regions`
Dec 19 14:40:15.332 INFO [stderr]   --> src/main.rs:92:39
Dec 19 14:40:15.332 INFO [stderr]    |
Dec 19 14:40:15.332 INFO [stderr] 92 | fn score(star_board: &Vec<Vec<bool>>, regions: &Vec<Vec<char>>, n_stars: usize) -> usize {
Dec 19 14:40:15.332 INFO [stderr]    |                                       ^^^^^^^ help: consider using `_regions` instead
Dec 19 14:40:15.332 INFO [stderr]    |
Dec 19 14:40:15.332 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 14:40:15.332 INFO [stderr] 
Dec 19 14:40:15.332 INFO [stderr] warning: unused variable: `row`
Dec 19 14:40:15.332 INFO [stderr]    --> src/main.rs:131:9
Dec 19 14:40:15.332 INFO [stderr]     |
Dec 19 14:40:15.332 INFO [stderr] 131 |     for row in board {
Dec 19 14:40:15.332 INFO [stderr]     |         ^^^ help: consider using `_row` instead
Dec 19 14:40:15.332 INFO [stderr] 
Dec 19 14:40:15.344 INFO [stderr] warning: unused variable: `regions`
Dec 19 14:40:15.344 INFO [stderr]   --> src/main.rs:92:39
Dec 19 14:40:15.344 INFO [stderr]    |
Dec 19 14:40:15.344 INFO [stderr] 92 | fn score(star_board: &Vec<Vec<bool>>, regions: &Vec<Vec<char>>, n_stars: usize) -> usize {
Dec 19 14:40:15.344 INFO [stderr]    |                                       ^^^^^^^ help: consider using `_regions` instead
Dec 19 14:40:15.344 INFO [stderr]    |
Dec 19 14:40:15.344 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 14:40:15.344 INFO [stderr] 
Dec 19 14:40:15.344 INFO [stderr] warning: unused variable: `row`
Dec 19 14:40:15.344 INFO [stderr]    --> src/main.rs:131:9
Dec 19 14:40:15.344 INFO [stderr]     |
Dec 19 14:40:15.344 INFO [stderr] 131 |     for row in board {
Dec 19 14:40:15.344 INFO [stderr]     |         ^^^ help: consider using `_row` instead
Dec 19 14:40:15.344 INFO [stderr] 
Dec 19 14:40:15.345 INFO [stderr] warning: variable does not need to be mutable
Dec 19 14:40:15.345 INFO [stderr]   --> src/main.rs:14:9
Dec 19 14:40:15.345 INFO [stderr]    |
Dec 19 14:40:15.345 INFO [stderr] 14 |     let mut filename;
Dec 19 14:40:15.345 INFO [stderr]    |         ----^^^^^^^^
Dec 19 14:40:15.345 INFO [stderr]    |         |
Dec 19 14:40:15.345 INFO [stderr]    |         help: remove this `mut`
Dec 19 14:40:15.345 INFO [stderr]    |
Dec 19 14:40:15.345 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 14:40:15.345 INFO [stderr] 
Dec 19 14:40:15.351 INFO [stderr] warning: variable does not need to be mutable
Dec 19 14:40:15.357 INFO [stderr]   --> src/main.rs:14:9
Dec 19 14:40:15.357 INFO [stderr]    |
Dec 19 14:40:15.357 INFO [stderr] 14 |     let mut filename;
Dec 19 14:40:15.357 INFO [stderr]    |         ----^^^^^^^^
Dec 19 14:40:15.357 INFO [stderr]    |         |
Dec 19 14:40:15.357 INFO [stderr]    |         help: remove this `mut`
Dec 19 14:40:15.357 INFO [stderr]    |
Dec 19 14:40:15.357 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 14:40:15.357 INFO [stderr] 
Dec 19 14:40:15.388 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
Dec 19 14:40:16.008 INFO running `"docker" "inspect" "e39b0a9ad01cbc33c834a0674774bac54ed0a29db7668fb0c766cca384d9ac08"`
Dec 19 14:40:16.326 INFO running `"docker" "rm" "-f" "e39b0a9ad01cbc33c834a0674774bac54ed0a29db7668fb0c766cca384d9ac08"`
Dec 19 14:40:16.596 INFO [stdout] e39b0a9ad01cbc33c834a0674774bac54ed0a29db7668fb0c766cca384d9ac08