Nov 30 00:24:54.266 INFO checking k2bd/star_battle_mc_solver against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 00:24:54.266 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-6/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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"`
Nov 30 00:24:54.740 INFO [stdout] cbb0fdea2e6ac67d0906bb236927569dfba4ebd3b45a6a7b4e87258ffc737e63
Nov 30 00:24:54.744 INFO running `"docker" "start" "-a" "cbb0fdea2e6ac67d0906bb236927569dfba4ebd3b45a6a7b4e87258ffc737e63"`
Nov 30 00:24:55.699 INFO [stderr] usermod: no changes
Nov 30 00:24:55.792 INFO [stderr]     Checking star_battle v0.1.0 (/source)
Nov 30 00:24:56.256 INFO [stderr] warning: unused import: `rand::Rng`
Nov 30 00:24:56.256 INFO [stderr]  --> src/main.rs:6:5
Nov 30 00:24:56.256 INFO [stderr]   |
Nov 30 00:24:56.256 INFO [stderr] 6 | use rand::Rng;
Nov 30 00:24:56.256 INFO [stderr]   |     ^^^^^^^^^
Nov 30 00:24:56.256 INFO [stderr]   |
Nov 30 00:24:56.256 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 00:24:56.256 INFO [stderr] 
Nov 30 00:24:56.348 INFO [stderr] warning: unused import: `rand::Rng`
Nov 30 00:24:56.348 INFO [stderr]  --> src/main.rs:6:5
Nov 30 00:24:56.348 INFO [stderr]   |
Nov 30 00:24:56.348 INFO [stderr] 6 | use rand::Rng;
Nov 30 00:24:56.348 INFO [stderr]   |     ^^^^^^^^^
Nov 30 00:24:56.348 INFO [stderr]   |
Nov 30 00:24:56.348 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 00:24:56.348 INFO [stderr] 
Nov 30 00:24:56.420 INFO [stderr] warning: unused variable: `regions`
Nov 30 00:24:56.420 INFO [stderr]   --> src/main.rs:92:39
Nov 30 00:24:56.420 INFO [stderr]    |
Nov 30 00:24:56.420 INFO [stderr] 92 | fn score(star_board: &Vec<Vec<bool>>, regions: &Vec<Vec<char>>, n_stars: usize) -> usize {
Nov 30 00:24:56.420 INFO [stderr]    |                                       ^^^^^^^ help: consider using `_regions` instead
Nov 30 00:24:56.420 INFO [stderr]    |
Nov 30 00:24:56.420 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 00:24:56.420 INFO [stderr] 
Nov 30 00:24:56.420 INFO [stderr] warning: unused variable: `row`
Nov 30 00:24:56.420 INFO [stderr]    --> src/main.rs:131:9
Nov 30 00:24:56.420 INFO [stderr]     |
Nov 30 00:24:56.420 INFO [stderr] 131 |     for row in board {
Nov 30 00:24:56.420 INFO [stderr]     |         ^^^ help: consider using `_row` instead
Nov 30 00:24:56.420 INFO [stderr] 
Nov 30 00:24:56.436 INFO [stderr] warning: variable does not need to be mutable
Nov 30 00:24:56.436 INFO [stderr]   --> src/main.rs:14:9
Nov 30 00:24:56.436 INFO [stderr]    |
Nov 30 00:24:56.436 INFO [stderr] 14 |     let mut filename;
Nov 30 00:24:56.436 INFO [stderr]    |         ----^^^^^^^^
Nov 30 00:24:56.436 INFO [stderr]    |         |
Nov 30 00:24:56.436 INFO [stderr]    |         help: remove this `mut`
Nov 30 00:24:56.436 INFO [stderr]    |
Nov 30 00:24:56.436 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 00:24:56.436 INFO [stderr] 
Nov 30 00:24:56.512 INFO [stderr] warning: unused variable: `regions`
Nov 30 00:24:56.512 INFO [stderr]   --> src/main.rs:92:39
Nov 30 00:24:56.512 INFO [stderr]    |
Nov 30 00:24:56.512 INFO [stderr] 92 | fn score(star_board: &Vec<Vec<bool>>, regions: &Vec<Vec<char>>, n_stars: usize) -> usize {
Nov 30 00:24:56.512 INFO [stderr]    |                                       ^^^^^^^ help: consider using `_regions` instead
Nov 30 00:24:56.512 INFO [stderr]    |
Nov 30 00:24:56.512 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 00:24:56.512 INFO [stderr] 
Nov 30 00:24:56.512 INFO [stderr] warning: unused variable: `row`
Nov 30 00:24:56.512 INFO [stderr]    --> src/main.rs:131:9
Nov 30 00:24:56.512 INFO [stderr]     |
Nov 30 00:24:56.512 INFO [stderr] 131 |     for row in board {
Nov 30 00:24:56.512 INFO [stderr]     |         ^^^ help: consider using `_row` instead
Nov 30 00:24:56.512 INFO [stderr] 
Nov 30 00:24:56.514 INFO [stderr] warning: variable does not need to be mutable
Nov 30 00:24:56.514 INFO [stderr]   --> src/main.rs:14:9
Nov 30 00:24:56.514 INFO [stderr]    |
Nov 30 00:24:56.514 INFO [stderr] 14 |     let mut filename;
Nov 30 00:24:56.514 INFO [stderr]    |         ----^^^^^^^^
Nov 30 00:24:56.514 INFO [stderr]    |         |
Nov 30 00:24:56.514 INFO [stderr]    |         help: remove this `mut`
Nov 30 00:24:56.514 INFO [stderr]    |
Nov 30 00:24:56.514 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 00:24:56.514 INFO [stderr] 
Nov 30 00:24:56.548 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
Nov 30 00:24:56.548 INFO [stderr] su: No module specific data is present
Nov 30 00:24:57.238 INFO running `"docker" "inspect" "cbb0fdea2e6ac67d0906bb236927569dfba4ebd3b45a6a7b4e87258ffc737e63"`
Nov 30 00:24:57.538 INFO running `"docker" "rm" "-f" "cbb0fdea2e6ac67d0906bb236927569dfba4ebd3b45a6a7b4e87258ffc737e63"`
Nov 30 00:24:57.772 INFO [stdout] cbb0fdea2e6ac67d0906bb236927569dfba4ebd3b45a6a7b4e87258ffc737e63