Nov 17 02:22:35.472 INFO testing garyemerson/queens_on_board against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 17 02:22:35.472 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-5/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt build --frozen" "-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 17 02:22:36.032 INFO [stdout] 7bbf40cfd24e55d8c37d9ba3d7a109dd4cad481c0390fb883cd70f62555f72bc
Nov 17 02:22:36.035 INFO running `"docker" "start" "-a" "7bbf40cfd24e55d8c37d9ba3d7a109dd4cad481c0390fb883cd70f62555f72bc"`
Nov 17 02:22:37.867 INFO [stderr] usermod: no changes
Nov 17 02:22:37.923 INFO [stderr]    Compiling queens_on_board v0.1.0 (/source)
Nov 17 02:22:38.379 INFO [stderr] warning: unused variable: `test_case_num`
Nov 17 02:22:38.379 INFO [stderr]   --> src/main.rs:10:9
Nov 17 02:22:38.379 INFO [stderr]    |
Nov 17 02:22:38.380 INFO [stderr] 10 |     for test_case_num in 0..num_test_cases {
Nov 17 02:22:38.380 INFO [stderr]    |         ^^^^^^^^^^^^^ help: consider using `_test_case_num` instead
Nov 17 02:22:38.380 INFO [stderr]    |
Nov 17 02:22:38.380 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 17 02:22:38.380 INFO [stderr] 
Nov 17 02:22:38.380 INFO [stderr] warning: unused variable: `all_placements`
Nov 17 02:22:38.380 INFO [stderr]   --> src/main.rs:47:13
Nov 17 02:22:38.380 INFO [stderr]    |
Nov 17 02:22:38.380 INFO [stderr] 47 |     let mut all_placements: Vec<Vec<HashSet<(i32, i32)>>> = Vec::new();
Nov 17 02:22:38.380 INFO [stderr]    |             ^^^^^^^^^^^^^^ help: consider using `_all_placements` instead
Nov 17 02:22:38.380 INFO [stderr] 
Nov 17 02:22:38.380 INFO [stderr] warning: unused variable: `rows`
Nov 17 02:22:38.380 INFO [stderr]   --> src/main.rs:87:19
Nov 17 02:22:38.380 INFO [stderr]    |
Nov 17 02:22:38.380 INFO [stderr] 87 | fn print_in_order(rows: i32, cols: i32, placement: &HashSet<(i32, i32)>) {
Nov 17 02:22:38.380 INFO [stderr]    |                   ^^^^ help: consider using `_rows` instead
Nov 17 02:22:38.380 INFO [stderr] 
Nov 17 02:22:38.387 INFO [stderr] warning: variable does not need to be mutable
Nov 17 02:22:38.387 INFO [stderr]   --> src/main.rs:47:9
Nov 17 02:22:38.388 INFO [stderr]    |
Nov 17 02:22:38.388 INFO [stderr] 47 |     let mut all_placements: Vec<Vec<HashSet<(i32, i32)>>> = Vec::new();
Nov 17 02:22:38.388 INFO [stderr]    |         ----^^^^^^^^^^^^^^
Nov 17 02:22:38.388 INFO [stderr]    |         |
Nov 17 02:22:38.388 INFO [stderr]    |         help: remove this `mut`
Nov 17 02:22:38.388 INFO [stderr]    |
Nov 17 02:22:38.388 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 17 02:22:38.388 INFO [stderr] 
Nov 17 02:22:38.425 INFO [stderr] warning: function is never used: `solve`
Nov 17 02:22:38.425 INFO [stderr]   --> src/main.rs:46:1
Nov 17 02:22:38.425 INFO [stderr]    |
Nov 17 02:22:38.425 INFO [stderr] 46 | fn solve(rows: i32, cols: i32, blocked_positions: &HashSet<(i32, i32)>) -> usize {
Nov 17 02:22:38.425 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 02:22:38.425 INFO [stderr]    |
Nov 17 02:22:38.425 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 17 02:22:38.425 INFO [stderr] 
Nov 17 02:22:38.426 INFO [stderr] warning: function is never used: `print_in_order`
Nov 17 02:22:38.426 INFO [stderr]   --> src/main.rs:87:1
Nov 17 02:22:38.426 INFO [stderr]    |
Nov 17 02:22:38.426 INFO [stderr] 87 | fn print_in_order(rows: i32, cols: i32, placement: &HashSet<(i32, i32)>) {
Nov 17 02:22:38.427 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 02:22:38.427 INFO [stderr] 
Nov 17 02:22:38.428 INFO [stderr] warning: function is never used: `get_placements_from_basis`
Nov 17 02:22:38.428 INFO [stderr]    --> src/main.rs:97:1
Nov 17 02:22:38.428 INFO [stderr]     |
Nov 17 02:22:38.429 INFO [stderr] 97  | / fn get_placements_from_basis(
Nov 17 02:22:38.429 INFO [stderr] 98  | |     rows: i32,
Nov 17 02:22:38.429 INFO [stderr] 99  | |     cols: i32,
Nov 17 02:22:38.429 INFO [stderr] 100 | |     basis_placements: Vec<(HashSet<(i32, i32)>, i32)>,
Nov 17 02:22:38.429 INFO [stderr] ...   |
Nov 17 02:22:38.429 INFO [stderr] 119 | |     placements
Nov 17 02:22:38.430 INFO [stderr] 120 | | }
Nov 17 02:22:38.430 INFO [stderr]     | |_^
Nov 17 02:22:38.430 INFO [stderr] 
Nov 17 02:22:38.430 INFO [stderr] warning: function is never used: `print_placement`
Nov 17 02:22:38.431 INFO [stderr]    --> src/main.rs:135:1
Nov 17 02:22:38.431 INFO [stderr]     |
Nov 17 02:22:38.431 INFO [stderr] 135 | fn print_placement(rows: i32, cols: i32, occupied_positions: &HashSet<(i32, i32)>, blocked_positions: &HashSet<(i32, i32)>) {
Nov 17 02:22:38.431 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 02:22:38.431 INFO [stderr] 
Nov 17 02:22:38.432 INFO [stderr] warning: function is never used: `solve_brute_force`
Nov 17 02:22:38.432 INFO [stderr]    --> src/main.rs:150:1
Nov 17 02:22:38.432 INFO [stderr]     |
Nov 17 02:22:38.432 INFO [stderr] 150 | fn solve_brute_force(rows: i32, cols: i32, blocked_positions: &HashSet<(i32, i32)>) -> Vec<Vec<(i32, i32)>> {
Nov 17 02:22:38.432 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 02:22:38.432 INFO [stderr] 
Nov 17 02:22:38.432 INFO [stderr] warning: function is never used: `is_valid_placement`
Nov 17 02:22:38.433 INFO [stderr]    --> src/main.rs:160:1
Nov 17 02:22:38.433 INFO [stderr]     |
Nov 17 02:22:38.433 INFO [stderr] 160 | fn is_valid_placement(rows: i32, cols: i32, positions: &Vec<(i32, i32)>, blocked_positions: &HashSet<(i32, i32)>) -> bool {
Nov 17 02:22:38.433 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 02:22:38.433 INFO [stderr] 
Nov 17 02:22:38.433 INFO [stderr] warning: function is never used: `is_valid_path`
Nov 17 02:22:38.434 INFO [stderr]    --> src/main.rs:331:1
Nov 17 02:22:38.434 INFO [stderr]     |
Nov 17 02:22:38.434 INFO [stderr] 331 | fn is_valid_path(path: Vec<(i32, i32)>, occupied_positions: &HashSet<(i32, i32)>, blocked_positions: &HashSet<(i32, i32)>) -> bool {
Nov 17 02:22:38.434 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 02:22:38.434 INFO [stderr] 
Nov 17 02:22:38.434 INFO [stderr] warning: function is never used: `enumerate_placements`
Nov 17 02:22:38.435 INFO [stderr]    --> src/main.rs:342:1
Nov 17 02:22:38.435 INFO [stderr]     |
Nov 17 02:22:38.435 INFO [stderr] 342 | fn enumerate_placements(rows: i32, cols: i32, max_queens: i32) -> Vec<Vec<(i32, i32)>> {
Nov 17 02:22:38.435 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 02:22:38.435 INFO [stderr] 
Nov 17 02:22:38.435 INFO [stderr] warning: function is never used: `num_to_coord`
Nov 17 02:22:38.436 INFO [stderr]    --> src/main.rs:359:1
Nov 17 02:22:38.436 INFO [stderr]     |
Nov 17 02:22:38.436 INFO [stderr] 359 | fn num_to_coord(cols: i32, num: i32) -> (i32, i32) {
Nov 17 02:22:38.436 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 02:22:38.436 INFO [stderr] 
Nov 17 02:22:38.437 INFO [stderr] warning: function is never used: `get_choose_set`
Nov 17 02:22:38.437 INFO [stderr]    --> src/main.rs:363:1
Nov 17 02:22:38.437 INFO [stderr]     |
Nov 17 02:22:38.437 INFO [stderr] 363 | fn get_choose_set(start: i32, end: i32, num: i32) -> Vec<Vec<i32>> {
Nov 17 02:22:38.437 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 02:22:38.437 INFO [stderr] 
Nov 17 02:22:39.539 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.64s
Nov 17 02:22:39.541 INFO [stderr] su: No module specific data is present
Nov 17 02:22:40.767 INFO running `"docker" "inspect" "7bbf40cfd24e55d8c37d9ba3d7a109dd4cad481c0390fb883cd70f62555f72bc"`
Nov 17 02:22:40.993 INFO running `"docker" "rm" "-f" "7bbf40cfd24e55d8c37d9ba3d7a109dd4cad481c0390fb883cd70f62555f72bc"`
Nov 17 02:22:41.247 INFO [stdout] 7bbf40cfd24e55d8c37d9ba3d7a109dd4cad481c0390fb883cd70f62555f72bc
Nov 17 02:22:41.255 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-5/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt test --frozen --no-run" "-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 17 02:22:41.841 INFO [stdout] 8e6f0a6ccd77c1aa238ff657fa9daae685b133a613c4a7f152809627b4f7b404
Nov 17 02:22:41.844 INFO running `"docker" "start" "-a" "8e6f0a6ccd77c1aa238ff657fa9daae685b133a613c4a7f152809627b4f7b404"`
Nov 17 02:22:44.168 INFO [stderr] usermod: no changes
Nov 17 02:22:44.225 INFO [stderr]    Compiling queens_on_board v0.1.0 (/source)
Nov 17 02:22:44.680 INFO [stderr] warning: unused variable: `test_case_num`
Nov 17 02:22:44.680 INFO [stderr]   --> src/main.rs:10:9
Nov 17 02:22:44.680 INFO [stderr]    |
Nov 17 02:22:44.680 INFO [stderr] 10 |     for test_case_num in 0..num_test_cases {
Nov 17 02:22:44.680 INFO [stderr]    |         ^^^^^^^^^^^^^ help: consider using `_test_case_num` instead
Nov 17 02:22:44.681 INFO [stderr]    |
Nov 17 02:22:44.681 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 17 02:22:44.681 INFO [stderr] 
Nov 17 02:22:44.681 INFO [stderr] warning: unused variable: `all_placements`
Nov 17 02:22:44.681 INFO [stderr]   --> src/main.rs:47:13
Nov 17 02:22:44.681 INFO [stderr]    |
Nov 17 02:22:44.681 INFO [stderr] 47 |     let mut all_placements: Vec<Vec<HashSet<(i32, i32)>>> = Vec::new();
Nov 17 02:22:44.682 INFO [stderr]    |             ^^^^^^^^^^^^^^ help: consider using `_all_placements` instead
Nov 17 02:22:44.682 INFO [stderr] 
Nov 17 02:22:44.682 INFO [stderr] warning: unused variable: `rows`
Nov 17 02:22:44.682 INFO [stderr]   --> src/main.rs:87:19
Nov 17 02:22:44.682 INFO [stderr]    |
Nov 17 02:22:44.683 INFO [stderr] 87 | fn print_in_order(rows: i32, cols: i32, placement: &HashSet<(i32, i32)>) {
Nov 17 02:22:44.683 INFO [stderr]    |                   ^^^^ help: consider using `_rows` instead
Nov 17 02:22:44.683 INFO [stderr] 
Nov 17 02:22:44.688 INFO [stderr] warning: variable does not need to be mutable
Nov 17 02:22:44.689 INFO [stderr]   --> src/main.rs:47:9
Nov 17 02:22:44.689 INFO [stderr]    |
Nov 17 02:22:44.691 INFO [stderr] 47 |     let mut all_placements: Vec<Vec<HashSet<(i32, i32)>>> = Vec::new();
Nov 17 02:22:44.691 INFO [stderr]    |         ----^^^^^^^^^^^^^^
Nov 17 02:22:44.691 INFO [stderr]    |         |
Nov 17 02:22:44.691 INFO [stderr]    |         help: remove this `mut`
Nov 17 02:22:44.691 INFO [stderr]    |
Nov 17 02:22:44.691 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 17 02:22:44.691 INFO [stderr] 
Nov 17 02:22:44.723 INFO [stderr] warning: function is never used: `solve`
Nov 17 02:22:44.723 INFO [stderr]   --> src/main.rs:46:1
Nov 17 02:22:44.723 INFO [stderr]    |
Nov 17 02:22:44.723 INFO [stderr] 46 | fn solve(rows: i32, cols: i32, blocked_positions: &HashSet<(i32, i32)>) -> usize {
Nov 17 02:22:44.723 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 02:22:44.723 INFO [stderr]    |
Nov 17 02:22:44.723 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 17 02:22:44.723 INFO [stderr] 
Nov 17 02:22:44.723 INFO [stderr] warning: function is never used: `print_in_order`
Nov 17 02:22:44.723 INFO [stderr]   --> src/main.rs:87:1
Nov 17 02:22:44.723 INFO [stderr]    |
Nov 17 02:22:44.723 INFO [stderr] 87 | fn print_in_order(rows: i32, cols: i32, placement: &HashSet<(i32, i32)>) {
Nov 17 02:22:44.724 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 02:22:44.724 INFO [stderr] 
Nov 17 02:22:44.724 INFO [stderr] warning: function is never used: `get_placements_from_basis`
Nov 17 02:22:44.725 INFO [stderr]    --> src/main.rs:97:1
Nov 17 02:22:44.725 INFO [stderr]     |
Nov 17 02:22:44.725 INFO [stderr] 97  | / fn get_placements_from_basis(
Nov 17 02:22:44.726 INFO [stderr] 98  | |     rows: i32,
Nov 17 02:22:44.726 INFO [stderr] 99  | |     cols: i32,
Nov 17 02:22:44.726 INFO [stderr] 100 | |     basis_placements: Vec<(HashSet<(i32, i32)>, i32)>,
Nov 17 02:22:44.726 INFO [stderr] ...   |
Nov 17 02:22:44.726 INFO [stderr] 119 | |     placements
Nov 17 02:22:44.726 INFO [stderr] 120 | | }
Nov 17 02:22:44.726 INFO [stderr]     | |_^
Nov 17 02:22:44.726 INFO [stderr] 
Nov 17 02:22:44.726 INFO [stderr] warning: function is never used: `print_placement`
Nov 17 02:22:44.726 INFO [stderr]    --> src/main.rs:135:1
Nov 17 02:22:44.726 INFO [stderr]     |
Nov 17 02:22:44.726 INFO [stderr] 135 | fn print_placement(rows: i32, cols: i32, occupied_positions: &HashSet<(i32, i32)>, blocked_positions: &HashSet<(i32, i32)>) {
Nov 17 02:22:44.726 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 02:22:44.726 INFO [stderr] 
Nov 17 02:22:44.727 INFO [stderr] warning: function is never used: `solve_brute_force`
Nov 17 02:22:44.727 INFO [stderr]    --> src/main.rs:150:1
Nov 17 02:22:44.727 INFO [stderr]     |
Nov 17 02:22:44.727 INFO [stderr] 150 | fn solve_brute_force(rows: i32, cols: i32, blocked_positions: &HashSet<(i32, i32)>) -> Vec<Vec<(i32, i32)>> {
Nov 17 02:22:44.727 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 02:22:44.727 INFO [stderr] 
Nov 17 02:22:44.727 INFO [stderr] warning: function is never used: `is_valid_placement`
Nov 17 02:22:44.727 INFO [stderr]    --> src/main.rs:160:1
Nov 17 02:22:44.727 INFO [stderr]     |
Nov 17 02:22:44.727 INFO [stderr] 160 | fn is_valid_placement(rows: i32, cols: i32, positions: &Vec<(i32, i32)>, blocked_positions: &HashSet<(i32, i32)>) -> bool {
Nov 17 02:22:44.727 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 02:22:44.727 INFO [stderr] 
Nov 17 02:22:44.728 INFO [stderr] warning: function is never used: `is_valid_path`
Nov 17 02:22:44.728 INFO [stderr]    --> src/main.rs:331:1
Nov 17 02:22:44.728 INFO [stderr]     |
Nov 17 02:22:44.728 INFO [stderr] 331 | fn is_valid_path(path: Vec<(i32, i32)>, occupied_positions: &HashSet<(i32, i32)>, blocked_positions: &HashSet<(i32, i32)>) -> bool {
Nov 17 02:22:44.728 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 02:22:44.728 INFO [stderr] 
Nov 17 02:22:44.728 INFO [stderr] warning: function is never used: `enumerate_placements`
Nov 17 02:22:44.728 INFO [stderr]    --> src/main.rs:342:1
Nov 17 02:22:44.728 INFO [stderr]     |
Nov 17 02:22:44.728 INFO [stderr] 342 | fn enumerate_placements(rows: i32, cols: i32, max_queens: i32) -> Vec<Vec<(i32, i32)>> {
Nov 17 02:22:44.728 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 02:22:44.728 INFO [stderr] 
Nov 17 02:22:44.729 INFO [stderr] warning: function is never used: `num_to_coord`
Nov 17 02:22:44.729 INFO [stderr]    --> src/main.rs:359:1
Nov 17 02:22:44.729 INFO [stderr]     |
Nov 17 02:22:44.729 INFO [stderr] 359 | fn num_to_coord(cols: i32, num: i32) -> (i32, i32) {
Nov 17 02:22:44.729 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 02:22:44.729 INFO [stderr] 
Nov 17 02:22:44.729 INFO [stderr] warning: function is never used: `get_choose_set`
Nov 17 02:22:44.729 INFO [stderr]    --> src/main.rs:363:1
Nov 17 02:22:44.729 INFO [stderr]     |
Nov 17 02:22:44.729 INFO [stderr] 363 | fn get_choose_set(start: i32, end: i32, num: i32) -> Vec<Vec<i32>> {
Nov 17 02:22:44.729 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 02:22:44.729 INFO [stderr] 
Nov 17 02:22:45.197 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
Nov 17 02:22:45.202 INFO [stderr] su: No module specific data is present
Nov 17 02:22:46.333 INFO running `"docker" "inspect" "8e6f0a6ccd77c1aa238ff657fa9daae685b133a613c4a7f152809627b4f7b404"`
Nov 17 02:22:46.661 INFO running `"docker" "rm" "-f" "8e6f0a6ccd77c1aa238ff657fa9daae685b133a613c4a7f152809627b4f7b404"`
Nov 17 02:22:47.011 INFO [stdout] 8e6f0a6ccd77c1aa238ff657fa9daae685b133a613c4a7f152809627b4f7b404
Nov 17 02:22:47.019 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-5/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt test --frozen" "-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 17 02:22:47.533 INFO [stdout] 14427644a7f2ddb62c4d49fd6f6e3bd091fc1f589247e86c12196188fae06319
Nov 17 02:22:47.535 INFO running `"docker" "start" "-a" "14427644a7f2ddb62c4d49fd6f6e3bd091fc1f589247e86c12196188fae06319"`
Nov 17 02:22:48.561 INFO [stderr] usermod: no changes
Nov 17 02:22:48.616 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Nov 17 02:22:48.627 INFO [stderr]      Running /target/debug/deps/queens_on_board-006bec311fcad4fe
Nov 17 02:22:48.647 INFO [stdout] 
Nov 17 02:22:48.647 INFO [stdout] running 0 tests
Nov 17 02:22:48.647 INFO [stdout] 
Nov 17 02:22:48.647 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 02:22:48.647 INFO [stdout] 
Nov 17 02:22:48.648 INFO [stderr] su: No module specific data is present
Nov 17 02:22:49.565 INFO running `"docker" "inspect" "14427644a7f2ddb62c4d49fd6f6e3bd091fc1f589247e86c12196188fae06319"`
Nov 17 02:22:49.859 INFO running `"docker" "rm" "-f" "14427644a7f2ddb62c4d49fd6f6e3bd091fc1f589247e86c12196188fae06319"`
Nov 17 02:22:50.091 INFO [stdout] 14427644a7f2ddb62c4d49fd6f6e3bd091fc1f589247e86c12196188fae06319