Oct 21 21:40:27.570 INFO checking EkardNT/sudoku against master#155510e377ae2a8d8ee0dad1a5f809c9062a5526 for pr-55192 Oct 21 21:40:27.572 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192/worker-1/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-1/pr-55192/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/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 +155510e377ae2a8d8ee0dad1a5f809c9062a5526-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"` Oct 21 21:40:28.020 INFO blam! 41a2dd00420e11bc2df8fce81a8ca65405dd7f916107f8e4fb8cdf3be1e47f8b Oct 21 21:40:28.029 INFO running `"docker" "start" "-a" "41a2dd00420e11bc2df8fce81a8ca65405dd7f916107f8e4fb8cdf3be1e47f8b"` Oct 21 21:40:29.156 INFO kablam! usermod: no changes Oct 21 21:40:29.220 INFO kablam! Checking sudoku v0.1.0 (/source) Oct 21 21:40:30.152 INFO kablam! warning: unnecessary parentheses around `while` condition Oct 21 21:40:30.152 INFO kablam! --> src/matrix.rs:185:15 Oct 21 21:40:30.152 INFO kablam! | Oct 21 21:40:30.152 INFO kablam! 185 | while (current_down_index != header_index) { Oct 21 21:40:30.152 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses Oct 21 21:40:30.154 INFO kablam! | Oct 21 21:40:30.154 INFO kablam! = note: #[warn(unused_parens)] on by default Oct 21 21:40:30.154 INFO kablam! Oct 21 21:40:30.154 INFO kablam! warning: unnecessary parentheses around `while` condition Oct 21 21:40:30.154 INFO kablam! --> src/matrix.rs:191:19 Oct 21 21:40:30.154 INFO kablam! | Oct 21 21:40:30.154 INFO kablam! 191 | while (current_right_index != current_down_index) { Oct 21 21:40:30.154 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses Oct 21 21:40:30.154 INFO kablam! Oct 21 21:40:30.154 INFO kablam! warning: unnecessary parentheses around `while` condition Oct 21 21:40:30.154 INFO kablam! --> src/matrix.rs:223:15 Oct 21 21:40:30.154 INFO kablam! | Oct 21 21:40:30.154 INFO kablam! 223 | while (current_up_index != header_index) { Oct 21 21:40:30.154 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses Oct 21 21:40:30.154 INFO kablam! Oct 21 21:40:30.154 INFO kablam! warning: unnecessary parentheses around `while` condition Oct 21 21:40:30.154 INFO kablam! --> src/matrix.rs:229:19 Oct 21 21:40:30.154 INFO kablam! | Oct 21 21:40:30.154 INFO kablam! 229 | while (current_left_index != current_up_index) { Oct 21 21:40:30.154 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses Oct 21 21:40:30.154 INFO kablam! Oct 21 21:40:30.154 INFO kablam! warning: unnecessary parentheses around `while` condition Oct 21 21:40:30.154 INFO kablam! --> src/matrix.rs:307:15 Oct 21 21:40:30.155 INFO kablam! | Oct 21 21:40:30.155 INFO kablam! 307 | while (current_down_index != min_header_index) { Oct 21 21:40:30.155 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses Oct 21 21:40:30.155 INFO kablam! Oct 21 21:40:30.155 INFO kablam! warning: unnecessary parentheses around `while` condition Oct 21 21:40:30.155 INFO kablam! --> src/matrix.rs:313:19 Oct 21 21:40:30.155 INFO kablam! | Oct 21 21:40:30.155 INFO kablam! 313 | while (current_right_index != current_down_index) { Oct 21 21:40:30.155 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses Oct 21 21:40:30.155 INFO kablam! Oct 21 21:40:30.155 INFO kablam! warning: unnecessary parentheses around `while` condition Oct 21 21:40:30.155 INFO kablam! --> src/matrix.rs:332:19 Oct 21 21:40:30.155 INFO kablam! | Oct 21 21:40:30.155 INFO kablam! 332 | while (current_left_index != current_down_index) { Oct 21 21:40:30.155 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses Oct 21 21:40:30.155 INFO kablam! Oct 21 21:40:30.155 INFO kablam! warning: unnecessary parentheses around `while` condition Oct 21 21:40:30.155 INFO kablam! --> src/matrix.rs:358:15 Oct 21 21:40:30.155 INFO kablam! | Oct 21 21:40:30.155 INFO kablam! 358 | while (current_header_index != Matrix::ROOT_INDEX) { Oct 21 21:40:30.155 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses Oct 21 21:40:30.155 INFO kablam! Oct 21 21:40:30.155 INFO kablam! warning: unnecessary parentheses around `if` condition Oct 21 21:40:30.155 INFO kablam! --> src/matrix.rs:376:24 Oct 21 21:40:30.155 INFO kablam! | Oct 21 21:40:30.155 INFO kablam! 376 | if (current_index == row_front_index) { Oct 21 21:40:30.155 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses Oct 21 21:40:30.155 INFO kablam! Oct 21 21:40:30.155 INFO kablam! warning: unused imports: `Debug`, `Display`, `Formatter`, `Write` Oct 21 21:40:30.155 INFO kablam! --> src/lib.rs:5:16 Oct 21 21:40:30.155 INFO kablam! | Oct 21 21:40:30.155 INFO kablam! 5 | use std::fmt::{Display, Write, Formatter, Debug}; Oct 21 21:40:30.155 INFO kablam! | ^^^^^^^ ^^^^^ ^^^^^^^^^ ^^^^^ Oct 21 21:40:30.155 INFO kablam! | Oct 21 21:40:30.155 INFO kablam! = note: #[warn(unused_imports)] on by default Oct 21 21:40:30.155 INFO kablam! Oct 21 21:40:30.155 INFO kablam! warning: unused import: `std::str::FromStr` Oct 21 21:40:30.155 INFO kablam! --> src/lib.rs:6:5 Oct 21 21:40:30.155 INFO kablam! | Oct 21 21:40:30.155 INFO kablam! 6 | use std::str::FromStr; Oct 21 21:40:30.155 INFO kablam! | ^^^^^^^^^^^^^^^^^ Oct 21 21:40:30.155 INFO kablam! Oct 21 21:40:30.155 INFO kablam! warning: unused import: `matrix::*` Oct 21 21:40:30.155 INFO kablam! --> src/lib.rs:9:5 Oct 21 21:40:30.155 INFO kablam! | Oct 21 21:40:30.155 INFO kablam! 9 | use matrix::*; Oct 21 21:40:30.155 INFO kablam! | ^^^^^^^^^ Oct 21 21:40:30.155 INFO kablam! Oct 21 21:40:30.612 INFO kablam! warning: unnecessary parentheses around `while` condition Oct 21 21:40:30.612 INFO kablam! --> src/matrix.rs:185:15 Oct 21 21:40:30.612 INFO kablam! | Oct 21 21:40:30.612 INFO kablam! 185 | while (current_down_index != header_index) { Oct 21 21:40:30.612 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses Oct 21 21:40:30.612 INFO kablam! | Oct 21 21:40:30.612 INFO kablam! = note: #[warn(unused_parens)] on by default Oct 21 21:40:30.612 INFO kablam! Oct 21 21:40:30.612 INFO kablam! warning: unnecessary parentheses around `while` condition Oct 21 21:40:30.612 INFO kablam! --> src/matrix.rs:191:19 Oct 21 21:40:30.612 INFO kablam! | Oct 21 21:40:30.612 INFO kablam! 191 | while (current_right_index != current_down_index) { Oct 21 21:40:30.612 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses Oct 21 21:40:30.612 INFO kablam! Oct 21 21:40:30.612 INFO kablam! warning: unnecessary parentheses around `while` condition Oct 21 21:40:30.612 INFO kablam! --> src/matrix.rs:223:15 Oct 21 21:40:30.612 INFO kablam! | Oct 21 21:40:30.612 INFO kablam! 223 | while (current_up_index != header_index) { Oct 21 21:40:30.612 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses Oct 21 21:40:30.612 INFO kablam! Oct 21 21:40:30.612 INFO kablam! warning: unnecessary parentheses around `while` condition Oct 21 21:40:30.612 INFO kablam! --> src/matrix.rs:229:19 Oct 21 21:40:30.612 INFO kablam! | Oct 21 21:40:30.612 INFO kablam! 229 | while (current_left_index != current_up_index) { Oct 21 21:40:30.613 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses Oct 21 21:40:30.613 INFO kablam! Oct 21 21:40:30.613 INFO kablam! warning: unnecessary parentheses around `while` condition Oct 21 21:40:30.613 INFO kablam! --> src/matrix.rs:307:15 Oct 21 21:40:30.613 INFO kablam! | Oct 21 21:40:30.613 INFO kablam! 307 | while (current_down_index != min_header_index) { Oct 21 21:40:30.613 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses Oct 21 21:40:30.613 INFO kablam! Oct 21 21:40:30.613 INFO kablam! warning: unnecessary parentheses around `while` condition Oct 21 21:40:30.613 INFO kablam! --> src/matrix.rs:313:19 Oct 21 21:40:30.613 INFO kablam! | Oct 21 21:40:30.613 INFO kablam! 313 | while (current_right_index != current_down_index) { Oct 21 21:40:30.613 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses Oct 21 21:40:30.613 INFO kablam! Oct 21 21:40:30.613 INFO kablam! warning: unnecessary parentheses around `while` condition Oct 21 21:40:30.613 INFO kablam! --> src/matrix.rs:332:19 Oct 21 21:40:30.613 INFO kablam! | Oct 21 21:40:30.613 INFO kablam! 332 | while (current_left_index != current_down_index) { Oct 21 21:40:30.613 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses Oct 21 21:40:30.613 INFO kablam! Oct 21 21:40:30.613 INFO kablam! warning: unnecessary parentheses around `while` condition Oct 21 21:40:30.613 INFO kablam! --> src/matrix.rs:358:15 Oct 21 21:40:30.613 INFO kablam! | Oct 21 21:40:30.613 INFO kablam! 358 | while (current_header_index != Matrix::ROOT_INDEX) { Oct 21 21:40:30.613 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses Oct 21 21:40:30.613 INFO kablam! Oct 21 21:40:30.613 INFO kablam! warning: unnecessary parentheses around `if` condition Oct 21 21:40:30.613 INFO kablam! --> src/matrix.rs:376:24 Oct 21 21:40:30.613 INFO kablam! | Oct 21 21:40:30.613 INFO kablam! 376 | if (current_index == row_front_index) { Oct 21 21:40:30.613 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses Oct 21 21:40:30.613 INFO kablam! Oct 21 21:40:30.613 INFO kablam! warning: unused imports: `NodeKind`, `Node` Oct 21 21:40:30.613 INFO kablam! --> src/matrix.rs:389:25 Oct 21 21:40:30.613 INFO kablam! | Oct 21 21:40:30.613 INFO kablam! 389 | use super::{Matrix, Node, NodeKind}; Oct 21 21:40:30.613 INFO kablam! | ^^^^ ^^^^^^^^ Oct 21 21:40:30.613 INFO kablam! | Oct 21 21:40:30.613 INFO kablam! = note: #[warn(unused_imports)] on by default Oct 21 21:40:30.613 INFO kablam! Oct 21 21:40:30.613 INFO kablam! warning: unused imports: `Debug`, `Display`, `Formatter`, `Write` Oct 21 21:40:30.613 INFO kablam! --> src/lib.rs:5:16 Oct 21 21:40:30.613 INFO kablam! | Oct 21 21:40:30.613 INFO kablam! 5 | use std::fmt::{Display, Write, Formatter, Debug}; Oct 21 21:40:30.613 INFO kablam! | ^^^^^^^ ^^^^^ ^^^^^^^^^ ^^^^^ Oct 21 21:40:30.613 INFO kablam! Oct 21 21:40:30.613 INFO kablam! warning: unused import: `std::str::FromStr` Oct 21 21:40:30.613 INFO kablam! --> src/lib.rs:6:5 Oct 21 21:40:30.613 INFO kablam! | Oct 21 21:40:30.613 INFO kablam! 6 | use std::str::FromStr; Oct 21 21:40:30.613 INFO kablam! | ^^^^^^^^^^^^^^^^^ Oct 21 21:40:30.613 INFO kablam! Oct 21 21:40:30.613 INFO kablam! warning: unused import: `matrix::*` Oct 21 21:40:30.613 INFO kablam! --> src/lib.rs:9:5 Oct 21 21:40:30.613 INFO kablam! | Oct 21 21:40:30.613 INFO kablam! 9 | use matrix::*; Oct 21 21:40:30.613 INFO kablam! | ^^^^^^^^^ Oct 21 21:40:30.613 INFO kablam! Oct 21 21:40:30.708 INFO kablam! warning: unused variable: `i` Oct 21 21:40:30.708 INFO kablam! --> src/board.rs:211:13 Oct 21 21:40:30.708 INFO kablam! | Oct 21 21:40:30.708 INFO kablam! 211 | let i = col + row * 9; Oct 21 21:40:30.708 INFO kablam! | ^ help: consider using `_i` instead Oct 21 21:40:30.720 INFO kablam! | Oct 21 21:40:30.721 INFO kablam! = note: #[warn(unused_variables)] on by default Oct 21 21:40:30.721 INFO kablam! Oct 21 21:40:30.721 INFO kablam! warning: unused variable: `column` Oct 21 21:40:30.722 INFO kablam! --> src/coords.rs:119:28 Oct 21 21:40:30.722 INFO kablam! | Oct 21 21:40:30.722 INFO kablam! 119 | pub fn to_dense(&self, column: &SparseColumn) -> DenseRow { Oct 21 21:40:30.723 INFO kablam! | ^^^^^^ help: consider using `_column` instead Oct 21 21:40:30.723 INFO kablam! Oct 21 21:40:30.723 INFO kablam! warning: unused variable: `sparse_row` Oct 21 21:40:30.724 INFO kablam! --> src/lib.rs:95:17 Oct 21 21:40:30.724 INFO kablam! | Oct 21 21:40:30.724 INFO kablam! 95 | let sparse_row = SparseRow::new(row_index); Oct 21 21:40:30.724 INFO kablam! | ^^^^^^^^^^ help: consider using `_sparse_row` instead Oct 21 21:40:30.725 INFO kablam! Oct 21 21:40:30.725 INFO kablam! warning: unused variable: `board` Oct 21 21:40:30.725 INFO kablam! --> src/lib.rs:123:25 Oct 21 21:40:30.725 INFO kablam! | Oct 21 21:40:30.726 INFO kablam! 123 | fn solve(&mut self, board: &mut Board) -> Result<(), ()> { Oct 21 21:40:30.726 INFO kablam! | ^^^^^ help: consider using `_board` instead Oct 21 21:40:30.727 INFO kablam! Oct 21 21:40:30.736 INFO kablam! warning: variable does not need to be mutable Oct 21 21:40:30.737 INFO kablam! --> src/lib.rs:65:13 Oct 21 21:40:30.737 INFO kablam! | Oct 21 21:40:30.737 INFO kablam! 65 | let mut matrix = [[Link::default(); NONZERO_CONSTRAINTS_PER_POSSIBILITY]; POSSIBILITIES]; Oct 21 21:40:30.737 INFO kablam! | ----^^^^^^ Oct 21 21:40:30.737 INFO kablam! | | Oct 21 21:40:30.738 INFO kablam! | help: remove this `mut` Oct 21 21:40:30.744 INFO kablam! | Oct 21 21:40:30.745 INFO kablam! = note: #[warn(unused_mut)] on by default Oct 21 21:40:30.745 INFO kablam! Oct 21 21:40:30.745 INFO kablam! warning: variable does not need to be mutable Oct 21 21:40:30.745 INFO kablam! --> src/lib.rs:66:13 Oct 21 21:40:30.746 INFO kablam! | Oct 21 21:40:30.746 INFO kablam! 66 | let mut headers = [Header::default(); CONSTRAINTS]; Oct 21 21:40:30.746 INFO kablam! | ----^^^^^^^ Oct 21 21:40:30.746 INFO kablam! | | Oct 21 21:40:30.746 INFO kablam! | help: remove this `mut` Oct 21 21:40:30.747 INFO kablam! Oct 21 21:40:30.756 INFO kablam! warning: variable does not need to be mutable Oct 21 21:40:30.757 INFO kablam! --> src/lib.rs:114:9 Oct 21 21:40:30.757 INFO kablam! | Oct 21 21:40:30.757 INFO kablam! 114 | let mut constraint: &mut Link = &mut row[dense_column_index]; Oct 21 21:40:30.757 INFO kablam! | ----^^^^^^^^^^ Oct 21 21:40:30.758 INFO kablam! | | Oct 21 21:40:30.758 INFO kablam! | help: remove this `mut` Oct 21 21:40:30.768 INFO kablam! Oct 21 21:40:30.920 INFO kablam! warning: method is never used: `to_sparse` Oct 21 21:40:30.921 INFO kablam! --> src/coords.rs:18:5 Oct 21 21:40:30.921 INFO kablam! | Oct 21 21:40:30.921 INFO kablam! 18 | pub fn to_sparse(&self) -> SparseRow { Oct 21 21:40:30.921 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 21 21:40:30.932 INFO kablam! | Oct 21 21:40:30.933 INFO kablam! = note: #[warn(dead_code)] on by default Oct 21 21:40:30.933 INFO kablam! Oct 21 21:40:30.933 INFO kablam! warning: method is never used: `to_sparse` Oct 21 21:40:30.934 INFO kablam! --> src/coords.rs:130:5 Oct 21 21:40:30.934 INFO kablam! | Oct 21 21:40:30.934 INFO kablam! 130 | pub fn to_sparse(&self, row: &DenseRow) -> SparseColumn { Oct 21 21:40:30.934 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 21 21:40:30.934 INFO kablam! Oct 21 21:40:30.935 INFO kablam! warning: constant item is never used: `POSSIBILITIES` Oct 21 21:40:30.935 INFO kablam! --> src/matrix.rs:5:1 Oct 21 21:40:30.935 INFO kablam! | Oct 21 21:40:30.936 INFO kablam! 5 | const POSSIBILITIES: usize = 9 * 9 * 9; Oct 21 21:40:30.936 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 21 21:40:30.936 INFO kablam! Oct 21 21:40:30.936 INFO kablam! warning: constant item is never used: `CONSTRAINTS` Oct 21 21:40:30.937 INFO kablam! --> src/matrix.rs:9:1 Oct 21 21:40:30.937 INFO kablam! | Oct 21 21:40:30.937 INFO kablam! 9 | const CONSTRAINTS: usize = 9 * 9 + 9 * 9 + 9 * 9 + 9 * 9; Oct 21 21:40:30.937 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 21 21:40:30.937 INFO kablam! Oct 21 21:40:30.938 INFO kablam! warning: constant item is never used: `NONZERO_CONSTRAINTS_PER_POSSIBILITY` Oct 21 21:40:30.938 INFO kablam! --> src/matrix.rs:13:1 Oct 21 21:40:30.938 INFO kablam! | Oct 21 21:40:30.938 INFO kablam! 13 | const NONZERO_CONSTRAINTS_PER_POSSIBILITY: usize = 4; Oct 21 21:40:30.939 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 21 21:40:30.939 INFO kablam! Oct 21 21:40:30.939 INFO kablam! warning: constant item is never used: `MATRIX_NODE_COUNT` Oct 21 21:40:30.939 INFO kablam! --> src/matrix.rs:16:1 Oct 21 21:40:30.940 INFO kablam! | Oct 21 21:40:30.940 INFO kablam! 16 | const MATRIX_NODE_COUNT: usize = 1 + CONSTRAINTS + POSSIBILITIES * NONZERO_CONSTRAINTS_PER_POSSIBILITY; Oct 21 21:40:30.940 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 21 21:40:30.940 INFO kablam! Oct 21 21:40:30.940 INFO kablam! warning: comparison is useless due to type limits Oct 21 21:40:30.940 INFO kablam! --> src/board.rs:158:25 Oct 21 21:40:30.940 INFO kablam! | Oct 21 21:40:30.940 INFO kablam! 158 | assert!(value >= 0 && value <= 9); Oct 21 21:40:30.940 INFO kablam! | ^^^^^^^^^^ Oct 21 21:40:30.940 INFO kablam! | Oct 21 21:40:30.940 INFO kablam! = note: #[warn(unused_comparisons)] on by default Oct 21 21:40:30.940 INFO kablam! Oct 21 21:40:30.940 INFO kablam! warning: unused `std::result::Result` that must be used Oct 21 21:40:30.940 INFO kablam! --> src/board.rs:202:13 Oct 21 21:40:30.940 INFO kablam! | Oct 21 21:40:30.940 INFO kablam! 202 | fmt_row(self, f, &mut buf, row); Oct 21 21:40:30.940 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 21 21:40:30.940 INFO kablam! | Oct 21 21:40:30.941 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 21 21:40:30.941 INFO kablam! Oct 21 21:40:31.576 INFO kablam! warning: unused variable: `i` Oct 21 21:40:31.576 INFO kablam! --> src/board.rs:211:13 Oct 21 21:40:31.576 INFO kablam! | Oct 21 21:40:31.576 INFO kablam! 211 | let i = col + row * 9; Oct 21 21:40:31.576 INFO kablam! | ^ help: consider using `_i` instead Oct 21 21:40:31.576 INFO kablam! | Oct 21 21:40:31.576 INFO kablam! = note: #[warn(unused_variables)] on by default Oct 21 21:40:31.577 INFO kablam! Oct 21 21:40:31.577 INFO kablam! warning: unused variable: `dense_row_index` Oct 21 21:40:31.577 INFO kablam! --> src/coords.rs:276:17 Oct 21 21:40:31.577 INFO kablam! | Oct 21 21:40:31.577 INFO kablam! 276 | for dense_row_index in 0..9*9*9 { Oct 21 21:40:31.577 INFO kablam! | ^^^^^^^^^^^^^^^ help: consider using `_dense_row_index` instead Oct 21 21:40:31.577 INFO kablam! Oct 21 21:40:31.577 INFO kablam! warning: unused variable: `column` Oct 21 21:40:31.577 INFO kablam! --> src/coords.rs:119:28 Oct 21 21:40:31.577 INFO kablam! | Oct 21 21:40:31.577 INFO kablam! 119 | pub fn to_dense(&self, column: &SparseColumn) -> DenseRow { Oct 21 21:40:31.577 INFO kablam! | ^^^^^^ help: consider using `_column` instead Oct 21 21:40:31.577 INFO kablam! Oct 21 21:40:31.584 INFO kablam! warning: unused variable: `sparse_row` Oct 21 21:40:31.584 INFO kablam! --> src/lib.rs:95:17 Oct 21 21:40:31.584 INFO kablam! | Oct 21 21:40:31.584 INFO kablam! 95 | let sparse_row = SparseRow::new(row_index); Oct 21 21:40:31.584 INFO kablam! | ^^^^^^^^^^ help: consider using `_sparse_row` instead Oct 21 21:40:31.584 INFO kablam! Oct 21 21:40:31.584 INFO kablam! warning: unused variable: `board` Oct 21 21:40:31.584 INFO kablam! --> src/lib.rs:123:25 Oct 21 21:40:31.584 INFO kablam! | Oct 21 21:40:31.585 INFO kablam! 123 | fn solve(&mut self, board: &mut Board) -> Result<(), ()> { Oct 21 21:40:31.585 INFO kablam! | ^^^^^ help: consider using `_board` instead Oct 21 21:40:31.592 INFO kablam! Oct 21 21:40:31.605 INFO kablam! warning: variable does not need to be mutable Oct 21 21:40:31.605 INFO kablam! --> src/lib.rs:65:13 Oct 21 21:40:31.605 INFO kablam! | Oct 21 21:40:31.605 INFO kablam! 65 | let mut matrix = [[Link::default(); NONZERO_CONSTRAINTS_PER_POSSIBILITY]; POSSIBILITIES]; Oct 21 21:40:31.606 INFO kablam! | ----^^^^^^ Oct 21 21:40:31.606 INFO kablam! | | Oct 21 21:40:31.606 INFO kablam! | help: remove this `mut` Oct 21 21:40:31.606 INFO kablam! | Oct 21 21:40:31.606 INFO kablam! = note: #[warn(unused_mut)] on by default Oct 21 21:40:31.606 INFO kablam! Oct 21 21:40:31.606 INFO kablam! warning: variable does not need to be mutable Oct 21 21:40:31.606 INFO kablam! --> src/lib.rs:66:13 Oct 21 21:40:31.606 INFO kablam! | Oct 21 21:40:31.606 INFO kablam! 66 | let mut headers = [Header::default(); CONSTRAINTS]; Oct 21 21:40:31.606 INFO kablam! | ----^^^^^^^ Oct 21 21:40:31.606 INFO kablam! | | Oct 21 21:40:31.606 INFO kablam! | help: remove this `mut` Oct 21 21:40:31.606 INFO kablam! Oct 21 21:40:31.628 INFO kablam! warning: variable does not need to be mutable Oct 21 21:40:31.628 INFO kablam! --> src/lib.rs:114:9 Oct 21 21:40:31.628 INFO kablam! | Oct 21 21:40:31.628 INFO kablam! 114 | let mut constraint: &mut Link = &mut row[dense_column_index]; Oct 21 21:40:31.628 INFO kablam! | ----^^^^^^^^^^ Oct 21 21:40:31.628 INFO kablam! | | Oct 21 21:40:31.628 INFO kablam! | help: remove this `mut` Oct 21 21:40:31.628 INFO kablam! Oct 21 21:40:32.100 INFO kablam! warning: unnecessary parentheses around `if` condition Oct 21 21:40:32.100 INFO kablam! --> src/bin/sudoku.rs:15:12 Oct 21 21:40:32.100 INFO kablam! | Oct 21 21:40:32.100 INFO kablam! 15 | if (bytes_read == 0) { Oct 21 21:40:32.100 INFO kablam! | ^^^^^^^^^^^^^^^^^ help: remove these parentheses Oct 21 21:40:32.100 INFO kablam! | Oct 21 21:40:32.100 INFO kablam! = note: #[warn(unused_parens)] on by default Oct 21 21:40:32.100 INFO kablam! Oct 21 21:40:32.141 INFO kablam! warning: method is never used: `to_sparse` Oct 21 21:40:32.141 INFO kablam! --> src/coords.rs:18:5 Oct 21 21:40:32.141 INFO kablam! | Oct 21 21:40:32.141 INFO kablam! 18 | pub fn to_sparse(&self) -> SparseRow { Oct 21 21:40:32.141 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 21 21:40:32.141 INFO kablam! | Oct 21 21:40:32.141 INFO kablam! = note: #[warn(dead_code)] on by default Oct 21 21:40:32.141 INFO kablam! Oct 21 21:40:32.141 INFO kablam! warning: constant item is never used: `POSSIBILITIES` Oct 21 21:40:32.141 INFO kablam! --> src/matrix.rs:5:1 Oct 21 21:40:32.141 INFO kablam! | Oct 21 21:40:32.141 INFO kablam! 5 | const POSSIBILITIES: usize = 9 * 9 * 9; Oct 21 21:40:32.141 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 21 21:40:32.141 INFO kablam! Oct 21 21:40:32.141 INFO kablam! warning: constant item is never used: `CONSTRAINTS` Oct 21 21:40:32.141 INFO kablam! --> src/matrix.rs:9:1 Oct 21 21:40:32.141 INFO kablam! | Oct 21 21:40:32.141 INFO kablam! 9 | const CONSTRAINTS: usize = 9 * 9 + 9 * 9 + 9 * 9 + 9 * 9; Oct 21 21:40:32.141 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 21 21:40:32.141 INFO kablam! Oct 21 21:40:32.141 INFO kablam! warning: constant item is never used: `NONZERO_CONSTRAINTS_PER_POSSIBILITY` Oct 21 21:40:32.141 INFO kablam! --> src/matrix.rs:13:1 Oct 21 21:40:32.141 INFO kablam! | Oct 21 21:40:32.141 INFO kablam! 13 | const NONZERO_CONSTRAINTS_PER_POSSIBILITY: usize = 4; Oct 21 21:40:32.141 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 21 21:40:32.141 INFO kablam! Oct 21 21:40:32.141 INFO kablam! warning: constant item is never used: `MATRIX_NODE_COUNT` Oct 21 21:40:32.141 INFO kablam! --> src/matrix.rs:16:1 Oct 21 21:40:32.141 INFO kablam! | Oct 21 21:40:32.141 INFO kablam! 16 | const MATRIX_NODE_COUNT: usize = 1 + CONSTRAINTS + POSSIBILITIES * NONZERO_CONSTRAINTS_PER_POSSIBILITY; Oct 21 21:40:32.141 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 21 21:40:32.141 INFO kablam! Oct 21 21:40:32.176 INFO kablam! warning: unused `std::result::Result` that must be used Oct 21 21:40:32.176 INFO kablam! --> src/bin/sudoku.rs:30:13 Oct 21 21:40:32.176 INFO kablam! | Oct 21 21:40:32.176 INFO kablam! 30 | stdout_lock.flush(); Oct 21 21:40:32.176 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^ Oct 21 21:40:32.176 INFO kablam! | Oct 21 21:40:32.176 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 21 21:40:32.176 INFO kablam! Oct 21 21:40:32.186 INFO kablam! warning: comparison is useless due to type limits Oct 21 21:40:32.186 INFO kablam! --> src/board.rs:158:25 Oct 21 21:40:32.186 INFO kablam! | Oct 21 21:40:32.186 INFO kablam! 158 | assert!(value >= 0 && value <= 9); Oct 21 21:40:32.186 INFO kablam! | ^^^^^^^^^^ Oct 21 21:40:32.186 INFO kablam! | Oct 21 21:40:32.186 INFO kablam! = note: #[warn(unused_comparisons)] on by default Oct 21 21:40:32.186 INFO kablam! Oct 21 21:40:32.186 INFO kablam! warning: unused `std::result::Result` that must be used Oct 21 21:40:32.186 INFO kablam! --> src/board.rs:202:13 Oct 21 21:40:32.192 INFO kablam! | Oct 21 21:40:32.192 INFO kablam! 202 | fmt_row(self, f, &mut buf, row); Oct 21 21:40:32.192 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 21 21:40:32.192 INFO kablam! | Oct 21 21:40:32.192 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 21 21:40:32.192 INFO kablam! Oct 21 21:40:32.312 INFO kablam! warning: unnecessary parentheses around `if` condition Oct 21 21:40:32.312 INFO kablam! --> src/bin/sudoku.rs:15:12 Oct 21 21:40:32.312 INFO kablam! | Oct 21 21:40:32.312 INFO kablam! 15 | if (bytes_read == 0) { Oct 21 21:40:32.312 INFO kablam! | ^^^^^^^^^^^^^^^^^ help: remove these parentheses Oct 21 21:40:32.312 INFO kablam! | Oct 21 21:40:32.312 INFO kablam! = note: #[warn(unused_parens)] on by default Oct 21 21:40:32.312 INFO kablam! Oct 21 21:40:32.384 INFO kablam! warning: unused `std::result::Result` that must be used Oct 21 21:40:32.384 INFO kablam! --> src/bin/sudoku.rs:30:13 Oct 21 21:40:32.384 INFO kablam! | Oct 21 21:40:32.384 INFO kablam! 30 | stdout_lock.flush(); Oct 21 21:40:32.384 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^ Oct 21 21:40:32.384 INFO kablam! | Oct 21 21:40:32.384 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 21 21:40:32.384 INFO kablam! Oct 21 21:40:32.419 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 3.23s Oct 21 21:40:32.422 INFO kablam! su: No module specific data is present Oct 21 21:40:33.492 INFO running `"docker" "rm" "-f" "41a2dd00420e11bc2df8fce81a8ca65405dd7f916107f8e4fb8cdf3be1e47f8b"` Oct 21 21:40:33.948 INFO blam! 41a2dd00420e11bc2df8fce81a8ca65405dd7f916107f8e4fb8cdf3be1e47f8b