Nov 01 04:45:06.108 INFO checking garyemerson/queens_on_board against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Nov 01 04:45:06.109 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-0/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/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 +05812fa8c588473f03e3fa7cf59cd84f4f37c715-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 01 04:45:06.576 INFO blam! d9f17088bb86fd84913a9baff5b5e8f1e013007d3223cd1c5cb3577050805305
Nov 01 04:45:06.578 INFO running `"docker" "start" "-a" "d9f17088bb86fd84913a9baff5b5e8f1e013007d3223cd1c5cb3577050805305"`
Nov 01 04:45:07.976 INFO kablam! usermod: no changes
Nov 01 04:45:08.020 INFO kablam!     Checking queens_on_board v0.1.0 (/source)
Nov 01 04:45:08.489 INFO kablam! warning: unused variable: `test_case_num`
Nov 01 04:45:08.490 INFO kablam!   --> src/main.rs:10:9
Nov 01 04:45:08.491 INFO kablam!    |
Nov 01 04:45:08.491 INFO kablam! 10 |     for test_case_num in 0..num_test_cases {
Nov 01 04:45:08.492 INFO kablam!    |         ^^^^^^^^^^^^^ help: consider using `_test_case_num` instead
Nov 01 04:45:08.493 INFO kablam!    |
Nov 01 04:45:08.493 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 01 04:45:08.494 INFO kablam! 
Nov 01 04:45:08.495 INFO kablam! warning: unused variable: `all_placements`
Nov 01 04:45:08.495 INFO kablam!   --> src/main.rs:47:13
Nov 01 04:45:08.496 INFO kablam!    |
Nov 01 04:45:08.497 INFO kablam! 47 |     let mut all_placements: Vec<Vec<HashSet<(i32, i32)>>> = Vec::new();
Nov 01 04:45:08.497 INFO kablam!    |             ^^^^^^^^^^^^^^ help: consider using `_all_placements` instead
Nov 01 04:45:08.498 INFO kablam! 
Nov 01 04:45:08.499 INFO kablam! warning: unused variable: `rows`
Nov 01 04:45:08.499 INFO kablam!   --> src/main.rs:87:19
Nov 01 04:45:08.500 INFO kablam!    |
Nov 01 04:45:08.501 INFO kablam! 87 | fn print_in_order(rows: i32, cols: i32, placement: &HashSet<(i32, i32)>) {
Nov 01 04:45:08.501 INFO kablam!    |                   ^^^^ help: consider using `_rows` instead
Nov 01 04:45:08.502 INFO kablam! 
Nov 01 04:45:08.516 INFO kablam! warning: variable does not need to be mutable
Nov 01 04:45:08.517 INFO kablam!   --> src/main.rs:47:9
Nov 01 04:45:08.518 INFO kablam!    |
Nov 01 04:45:08.519 INFO kablam! 47 |     let mut all_placements: Vec<Vec<HashSet<(i32, i32)>>> = Vec::new();
Nov 01 04:45:08.519 INFO kablam!    |         ----^^^^^^^^^^^^^^
Nov 01 04:45:08.520 INFO kablam!    |         |
Nov 01 04:45:08.520 INFO kablam!    |         help: remove this `mut`
Nov 01 04:45:08.521 INFO kablam!    |
Nov 01 04:45:08.522 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 01 04:45:08.522 INFO kablam! 
Nov 01 04:45:08.559 INFO kablam! warning: function is never used: `solve`
Nov 01 04:45:08.560 INFO kablam!   --> src/main.rs:46:1
Nov 01 04:45:08.561 INFO kablam!    |
Nov 01 04:45:08.561 INFO kablam! 46 | fn solve(rows: i32, cols: i32, blocked_positions: &HashSet<(i32, i32)>) -> usize {
Nov 01 04:45:08.562 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 04:45:08.563 INFO kablam!    |
Nov 01 04:45:08.563 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 01 04:45:08.564 INFO kablam! 
Nov 01 04:45:08.565 INFO kablam! warning: function is never used: `print_in_order`
Nov 01 04:45:08.565 INFO kablam!   --> src/main.rs:87:1
Nov 01 04:45:08.566 INFO kablam!    |
Nov 01 04:45:08.567 INFO kablam! 87 | fn print_in_order(rows: i32, cols: i32, placement: &HashSet<(i32, i32)>) {
Nov 01 04:45:08.567 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 04:45:08.568 INFO kablam! 
Nov 01 04:45:08.568 INFO kablam! warning: function is never used: `get_placements_from_basis`
Nov 01 04:45:08.569 INFO kablam!    --> src/main.rs:97:1
Nov 01 04:45:08.570 INFO kablam!     |
Nov 01 04:45:08.570 INFO kablam! 97  | / fn get_placements_from_basis(
Nov 01 04:45:08.571 INFO kablam! 98  | |     rows: i32,
Nov 01 04:45:08.572 INFO kablam! 99  | |     cols: i32,
Nov 01 04:45:08.572 INFO kablam! 100 | |     basis_placements: Vec<(HashSet<(i32, i32)>, i32)>,
Nov 01 04:45:08.573 INFO kablam! ...   |
Nov 01 04:45:08.573 INFO kablam! 119 | |     placements
Nov 01 04:45:08.574 INFO kablam! 120 | | }
Nov 01 04:45:08.575 INFO kablam!     | |_^
Nov 01 04:45:08.575 INFO kablam! 
Nov 01 04:45:08.576 INFO kablam! warning: function is never used: `print_placement`
Nov 01 04:45:08.577 INFO kablam!    --> src/main.rs:135:1
Nov 01 04:45:08.577 INFO kablam!     |
Nov 01 04:45:08.578 INFO kablam! 135 | fn print_placement(rows: i32, cols: i32, occupied_positions: &HashSet<(i32, i32)>, blocked_positions: &HashSet<(i32, i32)>) {
Nov 01 04:45:08.578 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 04:45:08.579 INFO kablam! 
Nov 01 04:45:08.580 INFO kablam! warning: function is never used: `solve_brute_force`
Nov 01 04:45:08.581 INFO kablam!    --> src/main.rs:150:1
Nov 01 04:45:08.581 INFO kablam!     |
Nov 01 04:45:08.582 INFO kablam! 150 | fn solve_brute_force(rows: i32, cols: i32, blocked_positions: &HashSet<(i32, i32)>) -> Vec<Vec<(i32, i32)>> {
Nov 01 04:45:08.582 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 04:45:08.583 INFO kablam! 
Nov 01 04:45:08.584 INFO kablam! warning: function is never used: `is_valid_placement`
Nov 01 04:45:08.584 INFO kablam!    --> src/main.rs:160:1
Nov 01 04:45:08.585 INFO kablam!     |
Nov 01 04:45:08.586 INFO kablam! 160 | fn is_valid_placement(rows: i32, cols: i32, positions: &Vec<(i32, i32)>, blocked_positions: &HashSet<(i32, i32)>) -> bool {
Nov 01 04:45:08.586 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 04:45:08.587 INFO kablam! 
Nov 01 04:45:08.587 INFO kablam! warning: function is never used: `is_valid_path`
Nov 01 04:45:08.588 INFO kablam!    --> src/main.rs:331:1
Nov 01 04:45:08.589 INFO kablam!     |
Nov 01 04:45:08.589 INFO kablam! 331 | fn is_valid_path(path: Vec<(i32, i32)>, occupied_positions: &HashSet<(i32, i32)>, blocked_positions: &HashSet<(i32, i32)>) -> bool {
Nov 01 04:45:08.590 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 04:45:08.590 INFO kablam! 
Nov 01 04:45:08.591 INFO kablam! warning: function is never used: `enumerate_placements`
Nov 01 04:45:08.592 INFO kablam!    --> src/main.rs:342:1
Nov 01 04:45:08.593 INFO kablam!     |
Nov 01 04:45:08.593 INFO kablam! 342 | fn enumerate_placements(rows: i32, cols: i32, max_queens: i32) -> Vec<Vec<(i32, i32)>> {
Nov 01 04:45:08.594 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 04:45:08.594 INFO kablam! 
Nov 01 04:45:08.595 INFO kablam! warning: function is never used: `num_to_coord`
Nov 01 04:45:08.596 INFO kablam!    --> src/main.rs:359:1
Nov 01 04:45:08.596 INFO kablam!     |
Nov 01 04:45:08.597 INFO kablam! 359 | fn num_to_coord(cols: i32, num: i32) -> (i32, i32) {
Nov 01 04:45:08.597 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 04:45:08.598 INFO kablam! 
Nov 01 04:45:08.599 INFO kablam! warning: function is never used: `get_choose_set`
Nov 01 04:45:08.599 INFO kablam!    --> src/main.rs:363:1
Nov 01 04:45:08.600 INFO kablam!     |
Nov 01 04:45:08.601 INFO kablam! 363 | fn get_choose_set(start: i32, end: i32, num: i32) -> Vec<Vec<i32>> {
Nov 01 04:45:08.601 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 04:45:08.602 INFO kablam! 
Nov 01 04:45:08.809 INFO kablam! warning: unused variable: `test_case_num`
Nov 01 04:45:08.810 INFO kablam!   --> src/main.rs:10:9
Nov 01 04:45:08.811 INFO kablam!    |
Nov 01 04:45:08.811 INFO kablam! 10 |     for test_case_num in 0..num_test_cases {
Nov 01 04:45:08.811 INFO kablam!    |         ^^^^^^^^^^^^^ help: consider using `_test_case_num` instead
Nov 01 04:45:08.811 INFO kablam!    |
Nov 01 04:45:08.811 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 01 04:45:08.811 INFO kablam! 
Nov 01 04:45:08.811 INFO kablam! warning: unused variable: `all_placements`
Nov 01 04:45:08.811 INFO kablam!   --> src/main.rs:47:13
Nov 01 04:45:08.811 INFO kablam!    |
Nov 01 04:45:08.811 INFO kablam! 47 |     let mut all_placements: Vec<Vec<HashSet<(i32, i32)>>> = Vec::new();
Nov 01 04:45:08.811 INFO kablam!    |             ^^^^^^^^^^^^^^ help: consider using `_all_placements` instead
Nov 01 04:45:08.811 INFO kablam! 
Nov 01 04:45:08.811 INFO kablam! warning: unused variable: `rows`
Nov 01 04:45:08.811 INFO kablam!   --> src/main.rs:87:19
Nov 01 04:45:08.811 INFO kablam!    |
Nov 01 04:45:08.811 INFO kablam! 87 | fn print_in_order(rows: i32, cols: i32, placement: &HashSet<(i32, i32)>) {
Nov 01 04:45:08.811 INFO kablam!    |                   ^^^^ help: consider using `_rows` instead
Nov 01 04:45:08.811 INFO kablam! 
Nov 01 04:45:08.818 INFO kablam! warning: variable does not need to be mutable
Nov 01 04:45:08.818 INFO kablam!   --> src/main.rs:47:9
Nov 01 04:45:08.818 INFO kablam!    |
Nov 01 04:45:08.818 INFO kablam! 47 |     let mut all_placements: Vec<Vec<HashSet<(i32, i32)>>> = Vec::new();
Nov 01 04:45:08.819 INFO kablam!    |         ----^^^^^^^^^^^^^^
Nov 01 04:45:08.819 INFO kablam!    |         |
Nov 01 04:45:08.819 INFO kablam!    |         help: remove this `mut`
Nov 01 04:45:08.819 INFO kablam!    |
Nov 01 04:45:08.819 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 01 04:45:08.819 INFO kablam! 
Nov 01 04:45:08.859 INFO kablam! warning: function is never used: `solve`
Nov 01 04:45:08.859 INFO kablam!   --> src/main.rs:46:1
Nov 01 04:45:08.859 INFO kablam!    |
Nov 01 04:45:08.859 INFO kablam! 46 | fn solve(rows: i32, cols: i32, blocked_positions: &HashSet<(i32, i32)>) -> usize {
Nov 01 04:45:08.859 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 04:45:08.859 INFO kablam!    |
Nov 01 04:45:08.859 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 01 04:45:08.859 INFO kablam! 
Nov 01 04:45:08.859 INFO kablam! warning: function is never used: `print_in_order`
Nov 01 04:45:08.861 INFO kablam!   --> src/main.rs:87:1
Nov 01 04:45:08.861 INFO kablam!    |
Nov 01 04:45:08.861 INFO kablam! 87 | fn print_in_order(rows: i32, cols: i32, placement: &HashSet<(i32, i32)>) {
Nov 01 04:45:08.861 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 04:45:08.861 INFO kablam! 
Nov 01 04:45:08.861 INFO kablam! warning: function is never used: `get_placements_from_basis`
Nov 01 04:45:08.861 INFO kablam!    --> src/main.rs:97:1
Nov 01 04:45:08.861 INFO kablam!     |
Nov 01 04:45:08.861 INFO kablam! 97  | / fn get_placements_from_basis(
Nov 01 04:45:08.861 INFO kablam! 98  | |     rows: i32,
Nov 01 04:45:08.861 INFO kablam! 99  | |     cols: i32,
Nov 01 04:45:08.861 INFO kablam! 100 | |     basis_placements: Vec<(HashSet<(i32, i32)>, i32)>,
Nov 01 04:45:08.861 INFO kablam! ...   |
Nov 01 04:45:08.861 INFO kablam! 119 | |     placements
Nov 01 04:45:08.861 INFO kablam! 120 | | }
Nov 01 04:45:08.861 INFO kablam!     | |_^
Nov 01 04:45:08.861 INFO kablam! 
Nov 01 04:45:08.861 INFO kablam! warning: function is never used: `print_placement`
Nov 01 04:45:08.861 INFO kablam!    --> src/main.rs:135:1
Nov 01 04:45:08.861 INFO kablam!     |
Nov 01 04:45:08.861 INFO kablam! 135 | fn print_placement(rows: i32, cols: i32, occupied_positions: &HashSet<(i32, i32)>, blocked_positions: &HashSet<(i32, i32)>) {
Nov 01 04:45:08.861 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 04:45:08.861 INFO kablam! 
Nov 01 04:45:08.861 INFO kablam! warning: function is never used: `solve_brute_force`
Nov 01 04:45:08.861 INFO kablam!    --> src/main.rs:150:1
Nov 01 04:45:08.861 INFO kablam!     |
Nov 01 04:45:08.861 INFO kablam! 150 | fn solve_brute_force(rows: i32, cols: i32, blocked_positions: &HashSet<(i32, i32)>) -> Vec<Vec<(i32, i32)>> {
Nov 01 04:45:08.861 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 04:45:08.861 INFO kablam! 
Nov 01 04:45:08.861 INFO kablam! warning: function is never used: `is_valid_placement`
Nov 01 04:45:08.864 INFO kablam!    --> src/main.rs:160:1
Nov 01 04:45:08.864 INFO kablam!     |
Nov 01 04:45:08.864 INFO kablam! 160 | fn is_valid_placement(rows: i32, cols: i32, positions: &Vec<(i32, i32)>, blocked_positions: &HashSet<(i32, i32)>) -> bool {
Nov 01 04:45:08.864 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 04:45:08.864 INFO kablam! 
Nov 01 04:45:08.865 INFO kablam! warning: function is never used: `is_valid_path`
Nov 01 04:45:08.865 INFO kablam!    --> src/main.rs:331:1
Nov 01 04:45:08.865 INFO kablam!     |
Nov 01 04:45:08.865 INFO kablam! 331 | fn is_valid_path(path: Vec<(i32, i32)>, occupied_positions: &HashSet<(i32, i32)>, blocked_positions: &HashSet<(i32, i32)>) -> bool {
Nov 01 04:45:08.865 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 04:45:08.865 INFO kablam! 
Nov 01 04:45:08.865 INFO kablam! warning: function is never used: `enumerate_placements`
Nov 01 04:45:08.865 INFO kablam!    --> src/main.rs:342:1
Nov 01 04:45:08.866 INFO kablam!     |
Nov 01 04:45:08.867 INFO kablam! 342 | fn enumerate_placements(rows: i32, cols: i32, max_queens: i32) -> Vec<Vec<(i32, i32)>> {
Nov 01 04:45:08.867 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 04:45:08.867 INFO kablam! 
Nov 01 04:45:08.867 INFO kablam! warning: function is never used: `num_to_coord`
Nov 01 04:45:08.867 INFO kablam!    --> src/main.rs:359:1
Nov 01 04:45:08.867 INFO kablam!     |
Nov 01 04:45:08.867 INFO kablam! 359 | fn num_to_coord(cols: i32, num: i32) -> (i32, i32) {
Nov 01 04:45:08.867 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 04:45:08.867 INFO kablam! 
Nov 01 04:45:08.867 INFO kablam! warning: function is never used: `get_choose_set`
Nov 01 04:45:08.867 INFO kablam!    --> src/main.rs:363:1
Nov 01 04:45:08.867 INFO kablam!     |
Nov 01 04:45:08.867 INFO kablam! 363 | fn get_choose_set(start: i32, end: i32, num: i32) -> Vec<Vec<i32>> {
Nov 01 04:45:08.867 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 04:45:08.867 INFO kablam! 
Nov 01 04:45:08.908 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
Nov 01 04:45:08.911 INFO kablam! su: No module specific data is present
Nov 01 04:45:09.804 INFO running `"docker" "rm" "-f" "d9f17088bb86fd84913a9baff5b5e8f1e013007d3223cd1c5cb3577050805305"`
Nov 01 04:45:10.108 INFO blam! d9f17088bb86fd84913a9baff5b5e8f1e013007d3223cd1c5cb3577050805305