Oct 15 11:17:25.231 INFO testing EkardNT/sudoku against try#40d4795669493f1965de7c44029c69552134fe1f for rustdoc-test-static-cling-1
Oct 15 11:17:25.231 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/rustdoc-test-static-cling-1/worker-1/try#40d4795669493f1965de7c44029c69552134fe1f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-1/rustdoc-test-static-cling-1/try#40d4795669493f1965de7c44029c69552134fe1f:/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 +40d4795669493f1965de7c44029c69552134fe1f-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"`
Oct 15 11:17:25.653 INFO blam! 035a8bb4ace85b0cfc5c8be06c35b9bbab520c1baeebc35b972c62b898da6506
Oct 15 11:17:25.655 INFO running `"docker" "start" "-a" "035a8bb4ace85b0cfc5c8be06c35b9bbab520c1baeebc35b972c62b898da6506"`
Oct 15 11:17:26.707 INFO kablam! usermod: no changes
Oct 15 11:17:26.755 INFO kablam!    Compiling sudoku v0.1.0 (/source)
Oct 15 11:17:27.272 INFO kablam! warning: unnecessary parentheses around `while` condition
Oct 15 11:17:27.272 INFO kablam!    --> src/matrix.rs:185:15
Oct 15 11:17:27.273 INFO kablam!     |
Oct 15 11:17:27.273 INFO kablam! 185 |         while (current_down_index != header_index) {
Oct 15 11:17:27.273 INFO kablam!     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Oct 15 11:17:27.274 INFO kablam!     |
Oct 15 11:17:27.274 INFO kablam!     = note: #[warn(unused_parens)] on by default
Oct 15 11:17:27.274 INFO kablam! 
Oct 15 11:17:27.274 INFO kablam! warning: unnecessary parentheses around `while` condition
Oct 15 11:17:27.275 INFO kablam!    --> src/matrix.rs:191:19
Oct 15 11:17:27.275 INFO kablam!     |
Oct 15 11:17:27.275 INFO kablam! 191 |             while (current_right_index != current_down_index) {
Oct 15 11:17:27.276 INFO kablam!     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Oct 15 11:17:27.276 INFO kablam! 
Oct 15 11:17:27.276 INFO kablam! warning: unnecessary parentheses around `while` condition
Oct 15 11:17:27.277 INFO kablam!    --> src/matrix.rs:223:15
Oct 15 11:17:27.277 INFO kablam!     |
Oct 15 11:17:27.277 INFO kablam! 223 |         while (current_up_index != header_index) {
Oct 15 11:17:27.277 INFO kablam!     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Oct 15 11:17:27.278 INFO kablam! 
Oct 15 11:17:27.278 INFO kablam! warning: unnecessary parentheses around `while` condition
Oct 15 11:17:27.278 INFO kablam!    --> src/matrix.rs:229:19
Oct 15 11:17:27.279 INFO kablam!     |
Oct 15 11:17:27.279 INFO kablam! 229 |             while (current_left_index != current_up_index) {
Oct 15 11:17:27.279 INFO kablam!     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Oct 15 11:17:27.280 INFO kablam! 
Oct 15 11:17:27.280 INFO kablam! warning: unnecessary parentheses around `while` condition
Oct 15 11:17:27.280 INFO kablam!    --> src/matrix.rs:307:15
Oct 15 11:17:27.280 INFO kablam!     |
Oct 15 11:17:27.281 INFO kablam! 307 |         while (current_down_index != min_header_index) {
Oct 15 11:17:27.281 INFO kablam!     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Oct 15 11:17:27.281 INFO kablam! 
Oct 15 11:17:27.282 INFO kablam! warning: unnecessary parentheses around `while` condition
Oct 15 11:17:27.282 INFO kablam!    --> src/matrix.rs:313:19
Oct 15 11:17:27.282 INFO kablam!     |
Oct 15 11:17:27.287 INFO kablam! 313 |             while (current_right_index != current_down_index) {
Oct 15 11:17:27.287 INFO kablam!     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Oct 15 11:17:27.287 INFO kablam! 
Oct 15 11:17:27.287 INFO kablam! warning: unnecessary parentheses around `while` condition
Oct 15 11:17:27.288 INFO kablam!    --> src/matrix.rs:332:19
Oct 15 11:17:27.288 INFO kablam!     |
Oct 15 11:17:27.288 INFO kablam! 332 |             while (current_left_index != current_down_index) {
Oct 15 11:17:27.288 INFO kablam!     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Oct 15 11:17:27.289 INFO kablam! 
Oct 15 11:17:27.289 INFO kablam! warning: unnecessary parentheses around `while` condition
Oct 15 11:17:27.289 INFO kablam!    --> src/matrix.rs:358:15
Oct 15 11:17:27.289 INFO kablam!     |
Oct 15 11:17:27.290 INFO kablam! 358 |         while (current_header_index != Matrix::ROOT_INDEX) {
Oct 15 11:17:27.290 INFO kablam!     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Oct 15 11:17:27.290 INFO kablam! 
Oct 15 11:17:27.290 INFO kablam! warning: unnecessary parentheses around `if` condition
Oct 15 11:17:27.293 INFO kablam!    --> src/matrix.rs:376:24
Oct 15 11:17:27.293 INFO kablam!     |
Oct 15 11:17:27.293 INFO kablam! 376 |                     if (current_index == row_front_index) {
Oct 15 11:17:27.293 INFO kablam!     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Oct 15 11:17:27.294 INFO kablam! 
Oct 15 11:17:27.294 INFO kablam! warning: unused imports: `Debug`, `Display`, `Formatter`, `Write`
Oct 15 11:17:27.294 INFO kablam!  --> src/lib.rs:5:16
Oct 15 11:17:27.294 INFO kablam!   |
Oct 15 11:17:27.294 INFO kablam! 5 | use std::fmt::{Display, Write, Formatter, Debug};
Oct 15 11:17:27.294 INFO kablam!   |                ^^^^^^^  ^^^^^  ^^^^^^^^^  ^^^^^
Oct 15 11:17:27.294 INFO kablam!   |
Oct 15 11:17:27.294 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 15 11:17:27.294 INFO kablam! 
Oct 15 11:17:27.294 INFO kablam! warning: unused import: `std::str::FromStr`
Oct 15 11:17:27.294 INFO kablam!  --> src/lib.rs:6:5
Oct 15 11:17:27.294 INFO kablam!   |
Oct 15 11:17:27.294 INFO kablam! 6 | use std::str::FromStr;
Oct 15 11:17:27.294 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Oct 15 11:17:27.294 INFO kablam! 
Oct 15 11:17:27.294 INFO kablam! warning: unused import: `matrix::*`
Oct 15 11:17:27.294 INFO kablam!  --> src/lib.rs:9:5
Oct 15 11:17:27.294 INFO kablam!   |
Oct 15 11:17:27.294 INFO kablam! 9 | use matrix::*;
Oct 15 11:17:27.294 INFO kablam!   |     ^^^^^^^^^
Oct 15 11:17:27.294 INFO kablam! 
Oct 15 11:17:27.511 INFO kablam! warning: unused variable: `i`
Oct 15 11:17:27.511 INFO kablam!    --> src/board.rs:211:13
Oct 15 11:17:27.511 INFO kablam!     |
Oct 15 11:17:27.511 INFO kablam! 211 |         let i = col + row * 9;
Oct 15 11:17:27.511 INFO kablam!     |             ^ help: consider using `_i` instead
Oct 15 11:17:27.511 INFO kablam!     |
Oct 15 11:17:27.511 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 15 11:17:27.511 INFO kablam! 
Oct 15 11:17:27.511 INFO kablam! warning: unused variable: `column`
Oct 15 11:17:27.511 INFO kablam!    --> src/coords.rs:119:28
Oct 15 11:17:27.511 INFO kablam!     |
Oct 15 11:17:27.511 INFO kablam! 119 |     pub fn to_dense(&self, column: &SparseColumn) -> DenseRow {
Oct 15 11:17:27.511 INFO kablam!     |                            ^^^^^^ help: consider using `_column` instead
Oct 15 11:17:27.511 INFO kablam! 
Oct 15 11:17:27.512 INFO kablam! warning: unused variable: `sparse_row`
Oct 15 11:17:27.512 INFO kablam!   --> src/lib.rs:95:17
Oct 15 11:17:27.512 INFO kablam!    |
Oct 15 11:17:27.512 INFO kablam! 95 |             let sparse_row = SparseRow::new(row_index);
Oct 15 11:17:27.512 INFO kablam!    |                 ^^^^^^^^^^ help: consider using `_sparse_row` instead
Oct 15 11:17:27.512 INFO kablam! 
Oct 15 11:17:27.512 INFO kablam! warning: unused variable: `board`
Oct 15 11:17:27.512 INFO kablam!    --> src/lib.rs:123:25
Oct 15 11:17:27.512 INFO kablam!     |
Oct 15 11:17:27.512 INFO kablam! 123 |     fn solve(&mut self, board: &mut Board) -> Result<(), ()> {
Oct 15 11:17:27.512 INFO kablam!     |                         ^^^^^ help: consider using `_board` instead
Oct 15 11:17:27.512 INFO kablam! 
Oct 15 11:17:27.515 INFO kablam! warning: variable does not need to be mutable
Oct 15 11:17:27.515 INFO kablam!   --> src/lib.rs:65:13
Oct 15 11:17:27.515 INFO kablam!    |
Oct 15 11:17:27.515 INFO kablam! 65 |         let mut matrix = [[Link::default(); NONZERO_CONSTRAINTS_PER_POSSIBILITY]; POSSIBILITIES];
Oct 15 11:17:27.515 INFO kablam!    |             ----^^^^^^
Oct 15 11:17:27.516 INFO kablam!    |             |
Oct 15 11:17:27.516 INFO kablam!    |             help: remove this `mut`
Oct 15 11:17:27.516 INFO kablam!    |
Oct 15 11:17:27.516 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 15 11:17:27.516 INFO kablam! 
Oct 15 11:17:27.516 INFO kablam! warning: variable does not need to be mutable
Oct 15 11:17:27.516 INFO kablam!   --> src/lib.rs:66:13
Oct 15 11:17:27.516 INFO kablam!    |
Oct 15 11:17:27.516 INFO kablam! 66 |         let mut headers = [Header::default(); CONSTRAINTS];
Oct 15 11:17:27.516 INFO kablam!    |             ----^^^^^^^
Oct 15 11:17:27.516 INFO kablam!    |             |
Oct 15 11:17:27.516 INFO kablam!    |             help: remove this `mut`
Oct 15 11:17:27.516 INFO kablam! 
Oct 15 11:17:27.520 INFO kablam! warning: variable does not need to be mutable
Oct 15 11:17:27.520 INFO kablam!    --> src/lib.rs:114:9
Oct 15 11:17:27.520 INFO kablam!     |
Oct 15 11:17:27.520 INFO kablam! 114 |     let mut constraint: &mut Link = &mut row[dense_column_index];
Oct 15 11:17:27.520 INFO kablam!     |         ----^^^^^^^^^^
Oct 15 11:17:27.520 INFO kablam!     |         |
Oct 15 11:17:27.520 INFO kablam!     |         help: remove this `mut`
Oct 15 11:17:27.520 INFO kablam! 
Oct 15 11:17:27.603 INFO kablam! warning: method is never used: `to_sparse`
Oct 15 11:17:27.608 INFO kablam!   --> src/coords.rs:18:5
Oct 15 11:17:27.608 INFO kablam!    |
Oct 15 11:17:27.608 INFO kablam! 18 |     pub fn to_sparse(&self) -> SparseRow {
Oct 15 11:17:27.609 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 15 11:17:27.609 INFO kablam!    |
Oct 15 11:17:27.609 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 15 11:17:27.609 INFO kablam! 
Oct 15 11:17:27.609 INFO kablam! warning: method is never used: `to_sparse`
Oct 15 11:17:27.610 INFO kablam!    --> src/coords.rs:130:5
Oct 15 11:17:27.610 INFO kablam!     |
Oct 15 11:17:27.610 INFO kablam! 130 |     pub fn to_sparse(&self, row: &DenseRow) -> SparseColumn {
Oct 15 11:17:27.610 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 15 11:17:27.610 INFO kablam! 
Oct 15 11:17:27.611 INFO kablam! warning: constant item is never used: `POSSIBILITIES`
Oct 15 11:17:27.611 INFO kablam!  --> src/matrix.rs:5:1
Oct 15 11:17:27.611 INFO kablam!   |
Oct 15 11:17:27.611 INFO kablam! 5 | const POSSIBILITIES: usize = 9 * 9 * 9;
Oct 15 11:17:27.611 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 15 11:17:27.612 INFO kablam! 
Oct 15 11:17:27.612 INFO kablam! warning: constant item is never used: `CONSTRAINTS`
Oct 15 11:17:27.612 INFO kablam!  --> src/matrix.rs:9:1
Oct 15 11:17:27.612 INFO kablam!   |
Oct 15 11:17:27.612 INFO kablam! 9 | const CONSTRAINTS: usize = 9 * 9 + 9 * 9 + 9 * 9 + 9 * 9;
Oct 15 11:17:27.612 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 15 11:17:27.613 INFO kablam! 
Oct 15 11:17:27.613 INFO kablam! warning: constant item is never used: `NONZERO_CONSTRAINTS_PER_POSSIBILITY`
Oct 15 11:17:27.613 INFO kablam!   --> src/matrix.rs:13:1
Oct 15 11:17:27.613 INFO kablam!    |
Oct 15 11:17:27.613 INFO kablam! 13 | const NONZERO_CONSTRAINTS_PER_POSSIBILITY: usize = 4;
Oct 15 11:17:27.613 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 15 11:17:27.614 INFO kablam! 
Oct 15 11:17:27.614 INFO kablam! warning: constant item is never used: `MATRIX_NODE_COUNT`
Oct 15 11:17:27.614 INFO kablam!   --> src/matrix.rs:16:1
Oct 15 11:17:27.614 INFO kablam!    |
Oct 15 11:17:27.614 INFO kablam! 16 | const MATRIX_NODE_COUNT: usize = 1 + CONSTRAINTS + POSSIBILITIES * NONZERO_CONSTRAINTS_PER_POSSIBILITY;
Oct 15 11:17:27.614 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 15 11:17:27.615 INFO kablam! 
Oct 15 11:17:27.615 INFO kablam! warning: comparison is useless due to type limits
Oct 15 11:17:27.615 INFO kablam!    --> src/board.rs:158:25
Oct 15 11:17:27.615 INFO kablam!     |
Oct 15 11:17:27.615 INFO kablam! 158 |                 assert!(value >= 0 && value <= 9);
Oct 15 11:17:27.615 INFO kablam!     |                         ^^^^^^^^^^
Oct 15 11:17:27.616 INFO kablam!     |
Oct 15 11:17:27.616 INFO kablam!     = note: #[warn(unused_comparisons)] on by default
Oct 15 11:17:27.616 INFO kablam! 
Oct 15 11:17:27.616 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 15 11:17:27.616 INFO kablam!    --> src/board.rs:202:13
Oct 15 11:17:27.617 INFO kablam!     |
Oct 15 11:17:27.617 INFO kablam! 202 |             fmt_row(self, f, &mut buf, row);
Oct 15 11:17:27.617 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 15 11:17:27.617 INFO kablam!     |
Oct 15 11:17:27.617 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 15 11:17:27.617 INFO kablam! 
Oct 15 11:17:28.691 INFO kablam! warning: unnecessary parentheses around `if` condition
Oct 15 11:17:28.691 INFO kablam!   --> src/bin/sudoku.rs:15:12
Oct 15 11:17:28.691 INFO kablam!    |
Oct 15 11:17:28.691 INFO kablam! 15 |         if (bytes_read == 0) {
Oct 15 11:17:28.691 INFO kablam!    |            ^^^^^^^^^^^^^^^^^ help: remove these parentheses
Oct 15 11:17:28.691 INFO kablam!    |
Oct 15 11:17:28.691 INFO kablam!    = note: #[warn(unused_parens)] on by default
Oct 15 11:17:28.691 INFO kablam! 
Oct 15 11:17:28.737 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 15 11:17:28.737 INFO kablam!   --> src/bin/sudoku.rs:30:13
Oct 15 11:17:28.737 INFO kablam!    |
Oct 15 11:17:28.738 INFO kablam! 30 |             stdout_lock.flush();
Oct 15 11:17:28.738 INFO kablam!    |             ^^^^^^^^^^^^^^^^^^^^
Oct 15 11:17:28.738 INFO kablam!    |
Oct 15 11:17:28.738 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 15 11:17:28.739 INFO kablam! 
Oct 15 11:17:29.571 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.83s
Oct 15 11:17:29.571 INFO kablam! su: No module specific data is present
Oct 15 11:17:30.578 INFO running `"docker" "rm" "-f" "035a8bb4ace85b0cfc5c8be06c35b9bbab520c1baeebc35b972c62b898da6506"`
Oct 15 11:17:30.997 INFO blam! 035a8bb4ace85b0cfc5c8be06c35b9bbab520c1baeebc35b972c62b898da6506
Oct 15 11:17:30.999 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/rustdoc-test-static-cling-1/worker-1/try#40d4795669493f1965de7c44029c69552134fe1f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-1/rustdoc-test-static-cling-1/try#40d4795669493f1965de7c44029c69552134fe1f:/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 +40d4795669493f1965de7c44029c69552134fe1f-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"`
Oct 15 11:17:31.395 INFO blam! 6929d88abcb0721357eb82847a6a9dbd02235c01c0a25a32689f5adab5c34b62
Oct 15 11:17:31.397 INFO running `"docker" "start" "-a" "6929d88abcb0721357eb82847a6a9dbd02235c01c0a25a32689f5adab5c34b62"`
Oct 15 11:17:33.295 INFO kablam! usermod: no changes
Oct 15 11:17:33.359 INFO kablam!    Compiling sudoku v0.1.0 (/source)
Oct 15 11:17:34.179 INFO kablam! warning: unnecessary parentheses around `if` condition
Oct 15 11:17:34.179 INFO kablam!   --> src/bin/sudoku.rs:15:12
Oct 15 11:17:34.179 INFO kablam!    |
Oct 15 11:17:34.179 INFO kablam! 15 |         if (bytes_read == 0) {
Oct 15 11:17:34.179 INFO kablam!    |            ^^^^^^^^^^^^^^^^^ help: remove these parentheses
Oct 15 11:17:34.179 INFO kablam!    |
Oct 15 11:17:34.179 INFO kablam!    = note: #[warn(unused_parens)] on by default
Oct 15 11:17:34.179 INFO kablam! 
Oct 15 11:17:34.255 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 15 11:17:34.255 INFO kablam!   --> src/bin/sudoku.rs:30:13
Oct 15 11:17:34.255 INFO kablam!    |
Oct 15 11:17:34.255 INFO kablam! 30 |             stdout_lock.flush();
Oct 15 11:17:34.255 INFO kablam!    |             ^^^^^^^^^^^^^^^^^^^^
Oct 15 11:17:34.255 INFO kablam!    |
Oct 15 11:17:34.255 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 15 11:17:34.255 INFO kablam! 
Oct 15 11:17:34.707 INFO kablam! warning: unnecessary parentheses around `while` condition
Oct 15 11:17:34.707 INFO kablam!    --> src/matrix.rs:185:15
Oct 15 11:17:34.707 INFO kablam!     |
Oct 15 11:17:34.707 INFO kablam! 185 |         while (current_down_index != header_index) {
Oct 15 11:17:34.707 INFO kablam!     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Oct 15 11:17:34.707 INFO kablam!     |
Oct 15 11:17:34.707 INFO kablam!     = note: #[warn(unused_parens)] on by default
Oct 15 11:17:34.707 INFO kablam! 
Oct 15 11:17:34.707 INFO kablam! warning: unnecessary parentheses around `while` condition
Oct 15 11:17:34.707 INFO kablam!    --> src/matrix.rs:191:19
Oct 15 11:17:34.707 INFO kablam!     |
Oct 15 11:17:34.707 INFO kablam! 191 |             while (current_right_index != current_down_index) {
Oct 15 11:17:34.707 INFO kablam!     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Oct 15 11:17:34.707 INFO kablam! 
Oct 15 11:17:34.707 INFO kablam! warning: unnecessary parentheses around `while` condition
Oct 15 11:17:34.707 INFO kablam!    --> src/matrix.rs:223:15
Oct 15 11:17:34.707 INFO kablam!     |
Oct 15 11:17:34.707 INFO kablam! 223 |         while (current_up_index != header_index) {
Oct 15 11:17:34.707 INFO kablam!     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Oct 15 11:17:34.707 INFO kablam! 
Oct 15 11:17:34.707 INFO kablam! warning: unnecessary parentheses around `while` condition
Oct 15 11:17:34.707 INFO kablam!    --> src/matrix.rs:229:19
Oct 15 11:17:34.707 INFO kablam!     |
Oct 15 11:17:34.707 INFO kablam! 229 |             while (current_left_index != current_up_index) {
Oct 15 11:17:34.707 INFO kablam!     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Oct 15 11:17:34.707 INFO kablam! 
Oct 15 11:17:34.707 INFO kablam! warning: unnecessary parentheses around `while` condition
Oct 15 11:17:34.707 INFO kablam!    --> src/matrix.rs:307:15
Oct 15 11:17:34.707 INFO kablam!     |
Oct 15 11:17:34.707 INFO kablam! 307 |         while (current_down_index != min_header_index) {
Oct 15 11:17:34.707 INFO kablam!     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Oct 15 11:17:34.707 INFO kablam! 
Oct 15 11:17:34.707 INFO kablam! warning: unnecessary parentheses around `while` condition
Oct 15 11:17:34.707 INFO kablam!    --> src/matrix.rs:313:19
Oct 15 11:17:34.707 INFO kablam!     |
Oct 15 11:17:34.707 INFO kablam! 313 |             while (current_right_index != current_down_index) {
Oct 15 11:17:34.707 INFO kablam!     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Oct 15 11:17:34.707 INFO kablam! 
Oct 15 11:17:34.710 INFO kablam! warning: unnecessary parentheses around `while` condition
Oct 15 11:17:34.710 INFO kablam!    --> src/matrix.rs:332:19
Oct 15 11:17:34.710 INFO kablam!     |
Oct 15 11:17:34.710 INFO kablam! 332 |             while (current_left_index != current_down_index) {
Oct 15 11:17:34.710 INFO kablam!     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Oct 15 11:17:34.710 INFO kablam! 
Oct 15 11:17:34.710 INFO kablam! warning: unnecessary parentheses around `while` condition
Oct 15 11:17:34.710 INFO kablam!    --> src/matrix.rs:358:15
Oct 15 11:17:34.710 INFO kablam!     |
Oct 15 11:17:34.710 INFO kablam! 358 |         while (current_header_index != Matrix::ROOT_INDEX) {
Oct 15 11:17:34.710 INFO kablam!     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Oct 15 11:17:34.710 INFO kablam! 
Oct 15 11:17:34.711 INFO kablam! warning: unnecessary parentheses around `if` condition
Oct 15 11:17:34.711 INFO kablam!    --> src/matrix.rs:376:24
Oct 15 11:17:34.711 INFO kablam!     |
Oct 15 11:17:34.711 INFO kablam! 376 |                     if (current_index == row_front_index) {
Oct 15 11:17:34.711 INFO kablam!     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Oct 15 11:17:34.711 INFO kablam! 
Oct 15 11:17:34.711 INFO kablam! warning: unused imports: `NodeKind`, `Node`
Oct 15 11:17:34.711 INFO kablam!    --> src/matrix.rs:389:25
Oct 15 11:17:34.711 INFO kablam!     |
Oct 15 11:17:34.711 INFO kablam! 389 |     use super::{Matrix, Node, NodeKind};
Oct 15 11:17:34.711 INFO kablam!     |                         ^^^^  ^^^^^^^^
Oct 15 11:17:34.711 INFO kablam!     |
Oct 15 11:17:34.711 INFO kablam!     = note: #[warn(unused_imports)] on by default
Oct 15 11:17:34.711 INFO kablam! 
Oct 15 11:17:34.715 INFO kablam! warning: unused imports: `Debug`, `Display`, `Formatter`, `Write`
Oct 15 11:17:34.715 INFO kablam!  --> src/lib.rs:5:16
Oct 15 11:17:34.715 INFO kablam!   |
Oct 15 11:17:34.715 INFO kablam! 5 | use std::fmt::{Display, Write, Formatter, Debug};
Oct 15 11:17:34.715 INFO kablam!   |                ^^^^^^^  ^^^^^  ^^^^^^^^^  ^^^^^
Oct 15 11:17:34.715 INFO kablam! 
Oct 15 11:17:34.715 INFO kablam! warning: unused import: `std::str::FromStr`
Oct 15 11:17:34.715 INFO kablam!  --> src/lib.rs:6:5
Oct 15 11:17:34.715 INFO kablam!   |
Oct 15 11:17:34.715 INFO kablam! 6 | use std::str::FromStr;
Oct 15 11:17:34.715 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Oct 15 11:17:34.715 INFO kablam! 
Oct 15 11:17:34.715 INFO kablam! warning: unused import: `matrix::*`
Oct 15 11:17:34.715 INFO kablam!  --> src/lib.rs:9:5
Oct 15 11:17:34.715 INFO kablam!   |
Oct 15 11:17:34.715 INFO kablam! 9 | use matrix::*;
Oct 15 11:17:34.715 INFO kablam!   |     ^^^^^^^^^
Oct 15 11:17:34.715 INFO kablam! 
Oct 15 11:17:35.401 INFO kablam! warning: unused variable: `i`
Oct 15 11:17:35.401 INFO kablam!    --> src/board.rs:211:13
Oct 15 11:17:35.401 INFO kablam!     |
Oct 15 11:17:35.401 INFO kablam! 211 |         let i = col + row * 9;
Oct 15 11:17:35.402 INFO kablam!     |             ^ help: consider using `_i` instead
Oct 15 11:17:35.402 INFO kablam!     |
Oct 15 11:17:35.402 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 15 11:17:35.402 INFO kablam! 
Oct 15 11:17:35.402 INFO kablam! warning: unused variable: `dense_row_index`
Oct 15 11:17:35.402 INFO kablam!    --> src/coords.rs:276:17
Oct 15 11:17:35.402 INFO kablam!     |
Oct 15 11:17:35.402 INFO kablam! 276 |             for dense_row_index in 0..9*9*9 {
Oct 15 11:17:35.402 INFO kablam!     |                 ^^^^^^^^^^^^^^^ help: consider using `_dense_row_index` instead
Oct 15 11:17:35.402 INFO kablam! 
Oct 15 11:17:35.407 INFO kablam! warning: unused variable: `column`
Oct 15 11:17:35.407 INFO kablam!    --> src/coords.rs:119:28
Oct 15 11:17:35.407 INFO kablam!     |
Oct 15 11:17:35.407 INFO kablam! 119 |     pub fn to_dense(&self, column: &SparseColumn) -> DenseRow {
Oct 15 11:17:35.407 INFO kablam!     |                            ^^^^^^ help: consider using `_column` instead
Oct 15 11:17:35.407 INFO kablam! 
Oct 15 11:17:35.407 INFO kablam! warning: unused variable: `sparse_row`
Oct 15 11:17:35.407 INFO kablam!   --> src/lib.rs:95:17
Oct 15 11:17:35.407 INFO kablam!    |
Oct 15 11:17:35.407 INFO kablam! 95 |             let sparse_row = SparseRow::new(row_index);
Oct 15 11:17:35.407 INFO kablam!    |                 ^^^^^^^^^^ help: consider using `_sparse_row` instead
Oct 15 11:17:35.407 INFO kablam! 
Oct 15 11:17:35.407 INFO kablam! warning: unused variable: `board`
Oct 15 11:17:35.407 INFO kablam!    --> src/lib.rs:123:25
Oct 15 11:17:35.407 INFO kablam!     |
Oct 15 11:17:35.407 INFO kablam! 123 |     fn solve(&mut self, board: &mut Board) -> Result<(), ()> {
Oct 15 11:17:35.407 INFO kablam!     |                         ^^^^^ help: consider using `_board` instead
Oct 15 11:17:35.407 INFO kablam! 
Oct 15 11:17:35.415 INFO kablam! warning: variable does not need to be mutable
Oct 15 11:17:35.415 INFO kablam!   --> src/lib.rs:65:13
Oct 15 11:17:35.415 INFO kablam!    |
Oct 15 11:17:35.415 INFO kablam! 65 |         let mut matrix = [[Link::default(); NONZERO_CONSTRAINTS_PER_POSSIBILITY]; POSSIBILITIES];
Oct 15 11:17:35.415 INFO kablam!    |             ----^^^^^^
Oct 15 11:17:35.415 INFO kablam!    |             |
Oct 15 11:17:35.415 INFO kablam!    |             help: remove this `mut`
Oct 15 11:17:35.415 INFO kablam!    |
Oct 15 11:17:35.415 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 15 11:17:35.415 INFO kablam! 
Oct 15 11:17:35.415 INFO kablam! warning: variable does not need to be mutable
Oct 15 11:17:35.415 INFO kablam!   --> src/lib.rs:66:13
Oct 15 11:17:35.415 INFO kablam!    |
Oct 15 11:17:35.415 INFO kablam! 66 |         let mut headers = [Header::default(); CONSTRAINTS];
Oct 15 11:17:35.415 INFO kablam!    |             ----^^^^^^^
Oct 15 11:17:35.415 INFO kablam!    |             |
Oct 15 11:17:35.415 INFO kablam!    |             help: remove this `mut`
Oct 15 11:17:35.415 INFO kablam! 
Oct 15 11:17:35.419 INFO kablam! warning: variable does not need to be mutable
Oct 15 11:17:35.419 INFO kablam!    --> src/lib.rs:114:9
Oct 15 11:17:35.419 INFO kablam!     |
Oct 15 11:17:35.419 INFO kablam! 114 |     let mut constraint: &mut Link = &mut row[dense_column_index];
Oct 15 11:17:35.419 INFO kablam!     |         ----^^^^^^^^^^
Oct 15 11:17:35.419 INFO kablam!     |         |
Oct 15 11:17:35.419 INFO kablam!     |         help: remove this `mut`
Oct 15 11:17:35.419 INFO kablam! 
Oct 15 11:17:35.547 INFO kablam! warning: method is never used: `to_sparse`
Oct 15 11:17:35.547 INFO kablam!   --> src/coords.rs:18:5
Oct 15 11:17:35.547 INFO kablam!    |
Oct 15 11:17:35.547 INFO kablam! 18 |     pub fn to_sparse(&self) -> SparseRow {
Oct 15 11:17:35.547 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 15 11:17:35.547 INFO kablam!    |
Oct 15 11:17:35.547 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 15 11:17:35.547 INFO kablam! 
Oct 15 11:17:35.547 INFO kablam! warning: constant item is never used: `POSSIBILITIES`
Oct 15 11:17:35.547 INFO kablam!  --> src/matrix.rs:5:1
Oct 15 11:17:35.547 INFO kablam!   |
Oct 15 11:17:35.547 INFO kablam! 5 | const POSSIBILITIES: usize = 9 * 9 * 9;
Oct 15 11:17:35.547 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 15 11:17:35.547 INFO kablam! 
Oct 15 11:17:35.547 INFO kablam! warning: constant item is never used: `CONSTRAINTS`
Oct 15 11:17:35.547 INFO kablam!  --> src/matrix.rs:9:1
Oct 15 11:17:35.547 INFO kablam!   |
Oct 15 11:17:35.547 INFO kablam! 9 | const CONSTRAINTS: usize = 9 * 9 + 9 * 9 + 9 * 9 + 9 * 9;
Oct 15 11:17:35.547 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 15 11:17:35.547 INFO kablam! 
Oct 15 11:17:35.547 INFO kablam! warning: constant item is never used: `NONZERO_CONSTRAINTS_PER_POSSIBILITY`
Oct 15 11:17:35.547 INFO kablam!   --> src/matrix.rs:13:1
Oct 15 11:17:35.547 INFO kablam!    |
Oct 15 11:17:35.547 INFO kablam! 13 | const NONZERO_CONSTRAINTS_PER_POSSIBILITY: usize = 4;
Oct 15 11:17:35.547 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 15 11:17:35.547 INFO kablam! 
Oct 15 11:17:35.547 INFO kablam! warning: constant item is never used: `MATRIX_NODE_COUNT`
Oct 15 11:17:35.547 INFO kablam!   --> src/matrix.rs:16:1
Oct 15 11:17:35.547 INFO kablam!    |
Oct 15 11:17:35.547 INFO kablam! 16 | const MATRIX_NODE_COUNT: usize = 1 + CONSTRAINTS + POSSIBILITIES * NONZERO_CONSTRAINTS_PER_POSSIBILITY;
Oct 15 11:17:35.547 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 15 11:17:35.547 INFO kablam! 
Oct 15 11:17:35.548 INFO kablam! warning: comparison is useless due to type limits
Oct 15 11:17:35.548 INFO kablam!    --> src/board.rs:158:25
Oct 15 11:17:35.548 INFO kablam!     |
Oct 15 11:17:35.548 INFO kablam! 158 |                 assert!(value >= 0 && value <= 9);
Oct 15 11:17:35.548 INFO kablam!     |                         ^^^^^^^^^^
Oct 15 11:17:35.548 INFO kablam!     |
Oct 15 11:17:35.548 INFO kablam!     = note: #[warn(unused_comparisons)] on by default
Oct 15 11:17:35.548 INFO kablam! 
Oct 15 11:17:35.548 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 15 11:17:35.548 INFO kablam!    --> src/board.rs:202:13
Oct 15 11:17:35.548 INFO kablam!     |
Oct 15 11:17:35.548 INFO kablam! 202 |             fmt_row(self, f, &mut buf, row);
Oct 15 11:17:35.548 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 15 11:17:35.548 INFO kablam!     |
Oct 15 11:17:35.548 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 15 11:17:35.548 INFO kablam! 
Oct 15 11:17:36.855 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.53s
Oct 15 11:17:36.857 INFO kablam! su: No module specific data is present
Oct 15 11:17:37.972 INFO running `"docker" "rm" "-f" "6929d88abcb0721357eb82847a6a9dbd02235c01c0a25a32689f5adab5c34b62"`
Oct 15 11:17:38.303 INFO blam! 6929d88abcb0721357eb82847a6a9dbd02235c01c0a25a32689f5adab5c34b62
Oct 15 11:17:38.305 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/rustdoc-test-static-cling-1/worker-1/try#40d4795669493f1965de7c44029c69552134fe1f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-1/rustdoc-test-static-cling-1/try#40d4795669493f1965de7c44029c69552134fe1f:/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 +40d4795669493f1965de7c44029c69552134fe1f-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"`
Oct 15 11:17:38.792 INFO blam! e21e203183dbacf7e25ae943180bc7843a619d8613f1823c998717df3ec07d9f
Oct 15 11:17:38.797 INFO running `"docker" "start" "-a" "e21e203183dbacf7e25ae943180bc7843a619d8613f1823c998717df3ec07d9f"`
Oct 15 11:17:40.045 INFO kablam! usermod: no changes
Oct 15 11:17:40.103 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Oct 15 11:17:40.103 INFO blam! 
Oct 15 11:17:40.103 INFO kablam!      Running /target/debug/deps/sudoku-edb1f8229998de6d
Oct 15 11:17:40.103 INFO blam! running 18 tests
Oct 15 11:17:40.103 INFO blam! test board::tests::possibility_get_matrix_column_column ... ok
Oct 15 11:17:40.103 INFO blam! test board::tests::possibility_get_matrix_column_cell ... ok
Oct 15 11:17:40.103 INFO blam! test board::tests::possibility_get_matrix_column_box ... ok
Oct 15 11:17:40.103 INFO blam! test board::tests::possibility_from_matrix_row_consistent_with_get_matrix_row ... ok
Oct 15 11:17:40.103 INFO blam! test board::tests::board_from_singleline_str ... ok
Oct 15 11:17:40.103 INFO blam! test board::tests::board_from_multiline_str ... ok
Oct 15 11:17:40.103 INFO blam! test board::tests::singleline_and_multiline_board_equivalency ... ok
Oct 15 11:17:40.103 INFO blam! test coords::tests::dense_column_to_sparse ... ok
Oct 15 11:17:40.103 INFO blam! test coords::tests::first_row ... ok
Oct 15 11:17:40.103 INFO blam! test coords::tests::natural_left ... ok
Oct 15 11:17:40.103 INFO blam! test coords::tests::natural_left_right_reflexive ... ok
Oct 15 11:17:40.103 INFO blam! test coords::tests::natural_right ... ok
Oct 15 11:17:40.103 INFO blam! test coords::tests::natural_up ... ok
Oct 15 11:17:40.103 INFO blam! test coords::tests::natural_up_down_reflexive ... ok
Oct 15 11:17:40.111 INFO blam! test matrix::tests::new_matrix ... ok
Oct 15 11:17:40.111 INFO blam! test board::tests::possibility_get_matrix_column_row ... ok
Oct 15 11:17:40.111 INFO blam! test board::tests::possibility_get_matrix_row ... ok
Oct 15 11:17:40.111 INFO blam! test coords::tests::natural_down ... ok
Oct 15 11:17:40.111 INFO blam! 
Oct 15 11:17:40.111 INFO blam! test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Oct 15 11:17:40.111 INFO blam! 
Oct 15 11:17:40.118 INFO kablam!      Running /target/debug/deps/sudoku-58510fd4f696a584
Oct 15 11:17:40.119 INFO blam! 
Oct 15 11:17:40.119 INFO blam! running 0 tests
Oct 15 11:17:40.119 INFO blam! 
Oct 15 11:17:40.119 INFO blam! test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Oct 15 11:17:40.119 INFO blam! 
Oct 15 11:17:40.123 INFO kablam!    Doc-tests sudoku
Oct 15 11:17:41.031 INFO blam! 
Oct 15 11:17:41.031 INFO blam! running 0 tests
Oct 15 11:17:41.031 INFO blam! 
Oct 15 11:17:41.031 INFO blam! test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Oct 15 11:17:41.031 INFO blam! 
Oct 15 11:17:41.039 INFO kablam! su: No module specific data is present
Oct 15 11:17:42.011 INFO running `"docker" "rm" "-f" "e21e203183dbacf7e25ae943180bc7843a619d8613f1823c998717df3ec07d9f"`
Oct 15 11:17:42.443 INFO blam! e21e203183dbacf7e25ae943180bc7843a619d8613f1823c998717df3ec07d9f