Nov 28 13:50:00.617 INFO checking EkardNT/sudoku against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074 Nov 28 13:50:00.618 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-4/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 28 13:50:01.154 INFO [stdout] da6f93e0811af40c1ca7a52904870978e4893b84240c54e65f482fe69d21adae Nov 28 13:50:01.156 INFO running `"docker" "start" "-a" "da6f93e0811af40c1ca7a52904870978e4893b84240c54e65f482fe69d21adae"` Nov 28 13:50:02.167 INFO [stderr] usermod: no changes Nov 28 13:50:02.240 INFO [stderr] Checking sudoku v0.1.0 (/source) Nov 28 13:50:02.852 INFO [stderr] warning: unnecessary parentheses around `while` condition Nov 28 13:50:02.852 INFO [stderr] --> src/matrix.rs:185:15 Nov 28 13:50:02.852 INFO [stderr] | Nov 28 13:50:02.852 INFO [stderr] 185 | while (current_down_index != header_index) { Nov 28 13:50:02.852 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses Nov 28 13:50:02.853 INFO [stderr] | Nov 28 13:50:02.853 INFO [stderr] = note: #[warn(unused_parens)] on by default Nov 28 13:50:02.853 INFO [stderr] Nov 28 13:50:02.853 INFO [stderr] warning: unnecessary parentheses around `while` condition Nov 28 13:50:02.853 INFO [stderr] --> src/matrix.rs:191:19 Nov 28 13:50:02.853 INFO [stderr] | Nov 28 13:50:02.853 INFO [stderr] 191 | while (current_right_index != current_down_index) { Nov 28 13:50:02.853 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses Nov 28 13:50:02.853 INFO [stderr] Nov 28 13:50:02.853 INFO [stderr] warning: unnecessary parentheses around `while` condition Nov 28 13:50:02.853 INFO [stderr] --> src/matrix.rs:223:15 Nov 28 13:50:02.853 INFO [stderr] | Nov 28 13:50:02.853 INFO [stderr] 223 | while (current_up_index != header_index) { Nov 28 13:50:02.853 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses Nov 28 13:50:02.853 INFO [stderr] Nov 28 13:50:02.853 INFO [stderr] warning: unnecessary parentheses around `while` condition Nov 28 13:50:02.853 INFO [stderr] --> src/matrix.rs:229:19 Nov 28 13:50:02.853 INFO [stderr] | Nov 28 13:50:02.853 INFO [stderr] 229 | while (current_left_index != current_up_index) { Nov 28 13:50:02.853 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses Nov 28 13:50:02.853 INFO [stderr] Nov 28 13:50:02.853 INFO [stderr] warning: unnecessary parentheses around `while` condition Nov 28 13:50:02.853 INFO [stderr] --> src/matrix.rs:307:15 Nov 28 13:50:02.853 INFO [stderr] | Nov 28 13:50:02.853 INFO [stderr] 307 | while (current_down_index != min_header_index) { Nov 28 13:50:02.854 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses Nov 28 13:50:02.854 INFO [stderr] Nov 28 13:50:02.854 INFO [stderr] warning: unnecessary parentheses around `while` condition Nov 28 13:50:02.854 INFO [stderr] --> src/matrix.rs:313:19 Nov 28 13:50:02.854 INFO [stderr] | Nov 28 13:50:02.854 INFO [stderr] 313 | while (current_right_index != current_down_index) { Nov 28 13:50:02.854 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses Nov 28 13:50:02.854 INFO [stderr] Nov 28 13:50:02.854 INFO [stderr] warning: unnecessary parentheses around `while` condition Nov 28 13:50:02.854 INFO [stderr] --> src/matrix.rs:332:19 Nov 28 13:50:02.854 INFO [stderr] | Nov 28 13:50:02.854 INFO [stderr] 332 | while (current_left_index != current_down_index) { Nov 28 13:50:02.854 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses Nov 28 13:50:02.854 INFO [stderr] Nov 28 13:50:02.854 INFO [stderr] warning: unnecessary parentheses around `while` condition Nov 28 13:50:02.854 INFO [stderr] --> src/matrix.rs:358:15 Nov 28 13:50:02.854 INFO [stderr] | Nov 28 13:50:02.854 INFO [stderr] 358 | while (current_header_index != Matrix::ROOT_INDEX) { Nov 28 13:50:02.854 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses Nov 28 13:50:02.854 INFO [stderr] Nov 28 13:50:02.854 INFO [stderr] warning: unnecessary parentheses around `if` condition Nov 28 13:50:02.854 INFO [stderr] --> src/matrix.rs:376:24 Nov 28 13:50:02.855 INFO [stderr] | Nov 28 13:50:02.855 INFO [stderr] 376 | if (current_index == row_front_index) { Nov 28 13:50:02.855 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses Nov 28 13:50:02.855 INFO [stderr] Nov 28 13:50:02.855 INFO [stderr] warning: unused imports: `Debug`, `Display`, `Formatter`, `Write` Nov 28 13:50:02.855 INFO [stderr] --> src/lib.rs:5:16 Nov 28 13:50:02.855 INFO [stderr] | Nov 28 13:50:02.855 INFO [stderr] 5 | use std::fmt::{Display, Write, Formatter, Debug}; Nov 28 13:50:02.855 INFO [stderr] | ^^^^^^^ ^^^^^ ^^^^^^^^^ ^^^^^ Nov 28 13:50:02.855 INFO [stderr] | Nov 28 13:50:02.855 INFO [stderr] = note: #[warn(unused_imports)] on by default Nov 28 13:50:02.855 INFO [stderr] Nov 28 13:50:02.855 INFO [stderr] warning: unused import: `std::str::FromStr` Nov 28 13:50:02.855 INFO [stderr] --> src/lib.rs:6:5 Nov 28 13:50:02.855 INFO [stderr] | Nov 28 13:50:02.855 INFO [stderr] 6 | use std::str::FromStr; Nov 28 13:50:02.855 INFO [stderr] | ^^^^^^^^^^^^^^^^^ Nov 28 13:50:02.855 INFO [stderr] Nov 28 13:50:02.855 INFO [stderr] warning: unused import: `matrix::*` Nov 28 13:50:02.855 INFO [stderr] --> src/lib.rs:9:5 Nov 28 13:50:02.855 INFO [stderr] | Nov 28 13:50:02.855 INFO [stderr] 9 | use matrix::*; Nov 28 13:50:02.855 INFO [stderr] | ^^^^^^^^^ Nov 28 13:50:02.856 INFO [stderr] Nov 28 13:50:03.190 INFO [stderr] warning: unnecessary parentheses around `while` condition Nov 28 13:50:03.190 INFO [stderr] --> src/matrix.rs:185:15 Nov 28 13:50:03.190 INFO [stderr] | Nov 28 13:50:03.190 INFO [stderr] 185 | while (current_down_index != header_index) { Nov 28 13:50:03.190 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses Nov 28 13:50:03.190 INFO [stderr] | Nov 28 13:50:03.190 INFO [stderr] = note: #[warn(unused_parens)] on by default Nov 28 13:50:03.190 INFO [stderr] Nov 28 13:50:03.190 INFO [stderr] warning: unnecessary parentheses around `while` condition Nov 28 13:50:03.190 INFO [stderr] --> src/matrix.rs:191:19 Nov 28 13:50:03.190 INFO [stderr] | Nov 28 13:50:03.191 INFO [stderr] 191 | while (current_right_index != current_down_index) { Nov 28 13:50:03.191 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses Nov 28 13:50:03.191 INFO [stderr] Nov 28 13:50:03.191 INFO [stderr] warning: unnecessary parentheses around `while` condition Nov 28 13:50:03.191 INFO [stderr] --> src/matrix.rs:223:15 Nov 28 13:50:03.191 INFO [stderr] | Nov 28 13:50:03.191 INFO [stderr] 223 | while (current_up_index != header_index) { Nov 28 13:50:03.191 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses Nov 28 13:50:03.191 INFO [stderr] Nov 28 13:50:03.191 INFO [stderr] warning: unnecessary parentheses around `while` condition Nov 28 13:50:03.191 INFO [stderr] --> src/matrix.rs:229:19 Nov 28 13:50:03.191 INFO [stderr] | Nov 28 13:50:03.191 INFO [stderr] 229 | while (current_left_index != current_up_index) { Nov 28 13:50:03.191 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses Nov 28 13:50:03.191 INFO [stderr] Nov 28 13:50:03.191 INFO [stderr] warning: unnecessary parentheses around `while` condition Nov 28 13:50:03.191 INFO [stderr] --> src/matrix.rs:307:15 Nov 28 13:50:03.191 INFO [stderr] | Nov 28 13:50:03.191 INFO [stderr] 307 | while (current_down_index != min_header_index) { Nov 28 13:50:03.191 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses Nov 28 13:50:03.191 INFO [stderr] Nov 28 13:50:03.191 INFO [stderr] warning: unnecessary parentheses around `while` condition Nov 28 13:50:03.191 INFO [stderr] --> src/matrix.rs:313:19 Nov 28 13:50:03.191 INFO [stderr] | Nov 28 13:50:03.192 INFO [stderr] 313 | while (current_right_index != current_down_index) { Nov 28 13:50:03.192 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses Nov 28 13:50:03.192 INFO [stderr] Nov 28 13:50:03.192 INFO [stderr] warning: unnecessary parentheses around `while` condition Nov 28 13:50:03.192 INFO [stderr] --> src/matrix.rs:332:19 Nov 28 13:50:03.192 INFO [stderr] | Nov 28 13:50:03.192 INFO [stderr] 332 | while (current_left_index != current_down_index) { Nov 28 13:50:03.192 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses Nov 28 13:50:03.192 INFO [stderr] Nov 28 13:50:03.192 INFO [stderr] warning: unnecessary parentheses around `while` condition Nov 28 13:50:03.192 INFO [stderr] --> src/matrix.rs:358:15 Nov 28 13:50:03.192 INFO [stderr] | Nov 28 13:50:03.192 INFO [stderr] 358 | while (current_header_index != Matrix::ROOT_INDEX) { Nov 28 13:50:03.192 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses Nov 28 13:50:03.192 INFO [stderr] Nov 28 13:50:03.192 INFO [stderr] warning: unnecessary parentheses around `if` condition Nov 28 13:50:03.192 INFO [stderr] --> src/matrix.rs:376:24 Nov 28 13:50:03.192 INFO [stderr] | Nov 28 13:50:03.192 INFO [stderr] 376 | if (current_index == row_front_index) { Nov 28 13:50:03.192 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses Nov 28 13:50:03.192 INFO [stderr] Nov 28 13:50:03.192 INFO [stderr] warning: unused imports: `NodeKind`, `Node` Nov 28 13:50:03.193 INFO [stderr] --> src/matrix.rs:389:25 Nov 28 13:50:03.193 INFO [stderr] | Nov 28 13:50:03.193 INFO [stderr] 389 | use super::{Matrix, Node, NodeKind}; Nov 28 13:50:03.193 INFO [stderr] | ^^^^ ^^^^^^^^ Nov 28 13:50:03.193 INFO [stderr] | Nov 28 13:50:03.193 INFO [stderr] = note: #[warn(unused_imports)] on by default Nov 28 13:50:03.193 INFO [stderr] Nov 28 13:50:03.193 INFO [stderr] warning: unused imports: `Debug`, `Display`, `Formatter`, `Write` Nov 28 13:50:03.193 INFO [stderr] --> src/lib.rs:5:16 Nov 28 13:50:03.193 INFO [stderr] | Nov 28 13:50:03.193 INFO [stderr] 5 | use std::fmt::{Display, Write, Formatter, Debug}; Nov 28 13:50:03.193 INFO [stderr] | ^^^^^^^ ^^^^^ ^^^^^^^^^ ^^^^^ Nov 28 13:50:03.200 INFO [stderr] Nov 28 13:50:03.200 INFO [stderr] warning: unused import: `std::str::FromStr` Nov 28 13:50:03.200 INFO [stderr] --> src/lib.rs:6:5 Nov 28 13:50:03.200 INFO [stderr] | Nov 28 13:50:03.200 INFO [stderr] 6 | use std::str::FromStr; Nov 28 13:50:03.200 INFO [stderr] | ^^^^^^^^^^^^^^^^^ Nov 28 13:50:03.200 INFO [stderr] Nov 28 13:50:03.200 INFO [stderr] warning: unused import: `matrix::*` Nov 28 13:50:03.200 INFO [stderr] --> src/lib.rs:9:5 Nov 28 13:50:03.200 INFO [stderr] | Nov 28 13:50:03.201 INFO [stderr] 9 | use matrix::*; Nov 28 13:50:03.201 INFO [stderr] | ^^^^^^^^^ Nov 28 13:50:03.201 INFO [stderr] Nov 28 13:50:03.372 INFO [stderr] warning: unused variable: `i` Nov 28 13:50:03.372 INFO [stderr] --> src/board.rs:211:13 Nov 28 13:50:03.372 INFO [stderr] | Nov 28 13:50:03.372 INFO [stderr] 211 | let i = col + row * 9; Nov 28 13:50:03.372 INFO [stderr] | ^ help: consider using `_i` instead Nov 28 13:50:03.372 INFO [stderr] | Nov 28 13:50:03.373 INFO [stderr] = note: #[warn(unused_variables)] on by default Nov 28 13:50:03.373 INFO [stderr] Nov 28 13:50:03.373 INFO [stderr] warning: unused variable: `column` Nov 28 13:50:03.373 INFO [stderr] --> src/coords.rs:119:28 Nov 28 13:50:03.373 INFO [stderr] | Nov 28 13:50:03.373 INFO [stderr] 119 | pub fn to_dense(&self, column: &SparseColumn) -> DenseRow { Nov 28 13:50:03.373 INFO [stderr] | ^^^^^^ help: consider using `_column` instead Nov 28 13:50:03.373 INFO [stderr] Nov 28 13:50:03.373 INFO [stderr] warning: unused variable: `sparse_row` Nov 28 13:50:03.373 INFO [stderr] --> src/lib.rs:95:17 Nov 28 13:50:03.373 INFO [stderr] | Nov 28 13:50:03.373 INFO [stderr] 95 | let sparse_row = SparseRow::new(row_index); Nov 28 13:50:03.373 INFO [stderr] | ^^^^^^^^^^ help: consider using `_sparse_row` instead Nov 28 13:50:03.373 INFO [stderr] Nov 28 13:50:03.373 INFO [stderr] warning: unused variable: `board` Nov 28 13:50:03.373 INFO [stderr] --> src/lib.rs:123:25 Nov 28 13:50:03.373 INFO [stderr] | Nov 28 13:50:03.373 INFO [stderr] 123 | fn solve(&mut self, board: &mut Board) -> Result<(), ()> { Nov 28 13:50:03.374 INFO [stderr] | ^^^^^ help: consider using `_board` instead Nov 28 13:50:03.374 INFO [stderr] Nov 28 13:50:03.374 INFO [stderr] warning: variable does not need to be mutable Nov 28 13:50:03.374 INFO [stderr] --> src/lib.rs:65:13 Nov 28 13:50:03.374 INFO [stderr] | Nov 28 13:50:03.374 INFO [stderr] 65 | let mut matrix = [[Link::default(); NONZERO_CONSTRAINTS_PER_POSSIBILITY]; POSSIBILITIES]; Nov 28 13:50:03.374 INFO [stderr] | ----^^^^^^ Nov 28 13:50:03.374 INFO [stderr] | | Nov 28 13:50:03.374 INFO [stderr] | help: remove this `mut` Nov 28 13:50:03.374 INFO [stderr] | Nov 28 13:50:03.374 INFO [stderr] = note: #[warn(unused_mut)] on by default Nov 28 13:50:03.374 INFO [stderr] Nov 28 13:50:03.374 INFO [stderr] warning: variable does not need to be mutable Nov 28 13:50:03.374 INFO [stderr] --> src/lib.rs:66:13 Nov 28 13:50:03.374 INFO [stderr] | Nov 28 13:50:03.374 INFO [stderr] 66 | let mut headers = [Header::default(); CONSTRAINTS]; Nov 28 13:50:03.374 INFO [stderr] | ----^^^^^^^ Nov 28 13:50:03.374 INFO [stderr] | | Nov 28 13:50:03.374 INFO [stderr] | help: remove this `mut` Nov 28 13:50:03.375 INFO [stderr] Nov 28 13:50:03.380 INFO [stderr] warning: variable does not need to be mutable Nov 28 13:50:03.380 INFO [stderr] --> src/lib.rs:114:9 Nov 28 13:50:03.380 INFO [stderr] | Nov 28 13:50:03.381 INFO [stderr] 114 | let mut constraint: &mut Link = &mut row[dense_column_index]; Nov 28 13:50:03.381 INFO [stderr] | ----^^^^^^^^^^ Nov 28 13:50:03.381 INFO [stderr] | | Nov 28 13:50:03.381 INFO [stderr] | help: remove this `mut` Nov 28 13:50:03.381 INFO [stderr] Nov 28 13:50:03.445 INFO [stderr] warning: method is never used: `to_sparse` Nov 28 13:50:03.445 INFO [stderr] --> src/coords.rs:18:5 Nov 28 13:50:03.445 INFO [stderr] | Nov 28 13:50:03.445 INFO [stderr] 18 | pub fn to_sparse(&self) -> SparseRow { Nov 28 13:50:03.445 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 13:50:03.445 INFO [stderr] | Nov 28 13:50:03.445 INFO [stderr] = note: #[warn(dead_code)] on by default Nov 28 13:50:03.445 INFO [stderr] Nov 28 13:50:03.445 INFO [stderr] warning: method is never used: `to_sparse` Nov 28 13:50:03.445 INFO [stderr] --> src/coords.rs:130:5 Nov 28 13:50:03.445 INFO [stderr] | Nov 28 13:50:03.445 INFO [stderr] 130 | pub fn to_sparse(&self, row: &DenseRow) -> SparseColumn { Nov 28 13:50:03.445 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 13:50:03.445 INFO [stderr] Nov 28 13:50:03.445 INFO [stderr] warning: constant item is never used: `POSSIBILITIES` Nov 28 13:50:03.445 INFO [stderr] --> src/matrix.rs:5:1 Nov 28 13:50:03.445 INFO [stderr] | Nov 28 13:50:03.445 INFO [stderr] 5 | const POSSIBILITIES: usize = 9 * 9 * 9; Nov 28 13:50:03.445 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 13:50:03.445 INFO [stderr] Nov 28 13:50:03.445 INFO [stderr] warning: constant item is never used: `CONSTRAINTS` Nov 28 13:50:03.445 INFO [stderr] --> src/matrix.rs:9:1 Nov 28 13:50:03.445 INFO [stderr] | Nov 28 13:50:03.445 INFO [stderr] 9 | const CONSTRAINTS: usize = 9 * 9 + 9 * 9 + 9 * 9 + 9 * 9; Nov 28 13:50:03.445 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 13:50:03.445 INFO [stderr] Nov 28 13:50:03.445 INFO [stderr] warning: constant item is never used: `NONZERO_CONSTRAINTS_PER_POSSIBILITY` Nov 28 13:50:03.445 INFO [stderr] --> src/matrix.rs:13:1 Nov 28 13:50:03.445 INFO [stderr] | Nov 28 13:50:03.445 INFO [stderr] 13 | const NONZERO_CONSTRAINTS_PER_POSSIBILITY: usize = 4; Nov 28 13:50:03.445 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 13:50:03.445 INFO [stderr] Nov 28 13:50:03.445 INFO [stderr] warning: constant item is never used: `MATRIX_NODE_COUNT` Nov 28 13:50:03.445 INFO [stderr] --> src/matrix.rs:16:1 Nov 28 13:50:03.445 INFO [stderr] | Nov 28 13:50:03.445 INFO [stderr] 16 | const MATRIX_NODE_COUNT: usize = 1 + CONSTRAINTS + POSSIBILITIES * NONZERO_CONSTRAINTS_PER_POSSIBILITY; Nov 28 13:50:03.445 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 13:50:03.445 INFO [stderr] Nov 28 13:50:03.445 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 13:50:03.445 INFO [stderr] --> src/matrix.rs:359:13 Nov 28 13:50:03.445 INFO [stderr] | Nov 28 13:50:03.445 INFO [stderr] 359 | writeln!(f, "col {:?}", self.nodes[current_header_index]); Nov 28 13:50:03.445 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 13:50:03.445 INFO [stderr] | Nov 28 13:50:03.445 INFO [stderr] = note: #[warn(unused_must_use)] on by default Nov 28 13:50:03.445 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 13:50:03.445 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Nov 28 13:50:03.445 INFO [stderr] Nov 28 13:50:03.445 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 13:50:03.445 INFO [stderr] --> src/board.rs:84:13 Nov 28 13:50:03.445 INFO [stderr] | Nov 28 13:50:03.445 INFO [stderr] 84 | write!(to, "{} ", c); Nov 28 13:50:03.445 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 28 13:50:03.445 INFO [stderr] | Nov 28 13:50:03.445 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 13:50:03.445 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Nov 28 13:50:03.445 INFO [stderr] Nov 28 13:50:03.445 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 13:50:03.445 INFO [stderr] --> src/board.rs:86:9 Nov 28 13:50:03.445 INFO [stderr] | Nov 28 13:50:03.445 INFO [stderr] 86 | write!(to, "{}", self.entries[9*9-1]); Nov 28 13:50:03.445 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 13:50:03.445 INFO [stderr] | Nov 28 13:50:03.445 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 13:50:03.445 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Nov 28 13:50:03.445 INFO [stderr] Nov 28 13:50:03.445 INFO [stderr] warning: comparison is useless due to type limits Nov 28 13:50:03.445 INFO [stderr] --> src/board.rs:158:25 Nov 28 13:50:03.445 INFO [stderr] | Nov 28 13:50:03.445 INFO [stderr] 158 | assert!(value >= 0 && value <= 9); Nov 28 13:50:03.445 INFO [stderr] | ^^^^^^^^^^ Nov 28 13:50:03.445 INFO [stderr] | Nov 28 13:50:03.445 INFO [stderr] = note: #[warn(unused_comparisons)] on by default Nov 28 13:50:03.445 INFO [stderr] Nov 28 13:50:03.445 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 13:50:03.445 INFO [stderr] --> src/board.rs:202:13 Nov 28 13:50:03.445 INFO [stderr] | Nov 28 13:50:03.446 INFO [stderr] 202 | fmt_row(self, f, &mut buf, row); Nov 28 13:50:03.446 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 13:50:03.446 INFO [stderr] | Nov 28 13:50:03.446 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 13:50:03.446 INFO [stderr] Nov 28 13:50:04.016 INFO [stderr] warning: unused variable: `i` Nov 28 13:50:04.016 INFO [stderr] --> src/board.rs:211:13 Nov 28 13:50:04.016 INFO [stderr] | Nov 28 13:50:04.016 INFO [stderr] 211 | let i = col + row * 9; Nov 28 13:50:04.016 INFO [stderr] | ^ help: consider using `_i` instead Nov 28 13:50:04.016 INFO [stderr] | Nov 28 13:50:04.016 INFO [stderr] = note: #[warn(unused_variables)] on by default Nov 28 13:50:04.016 INFO [stderr] Nov 28 13:50:04.016 INFO [stderr] warning: unused variable: `dense_row_index` Nov 28 13:50:04.016 INFO [stderr] --> src/coords.rs:276:17 Nov 28 13:50:04.016 INFO [stderr] | Nov 28 13:50:04.016 INFO [stderr] 276 | for dense_row_index in 0..9*9*9 { Nov 28 13:50:04.016 INFO [stderr] | ^^^^^^^^^^^^^^^ help: consider using `_dense_row_index` instead Nov 28 13:50:04.016 INFO [stderr] Nov 28 13:50:04.016 INFO [stderr] warning: unused variable: `column` Nov 28 13:50:04.017 INFO [stderr] --> src/coords.rs:119:28 Nov 28 13:50:04.017 INFO [stderr] | Nov 28 13:50:04.017 INFO [stderr] 119 | pub fn to_dense(&self, column: &SparseColumn) -> DenseRow { Nov 28 13:50:04.017 INFO [stderr] | ^^^^^^ help: consider using `_column` instead Nov 28 13:50:04.017 INFO [stderr] Nov 28 13:50:04.017 INFO [stderr] warning: unused variable: `sparse_row` Nov 28 13:50:04.017 INFO [stderr] --> src/lib.rs:95:17 Nov 28 13:50:04.017 INFO [stderr] | Nov 28 13:50:04.017 INFO [stderr] 95 | let sparse_row = SparseRow::new(row_index); Nov 28 13:50:04.017 INFO [stderr] | ^^^^^^^^^^ help: consider using `_sparse_row` instead Nov 28 13:50:04.017 INFO [stderr] Nov 28 13:50:04.017 INFO [stderr] warning: unused variable: `board` Nov 28 13:50:04.017 INFO [stderr] --> src/lib.rs:123:25 Nov 28 13:50:04.017 INFO [stderr] | Nov 28 13:50:04.017 INFO [stderr] 123 | fn solve(&mut self, board: &mut Board) -> Result<(), ()> { Nov 28 13:50:04.017 INFO [stderr] | ^^^^^ help: consider using `_board` instead Nov 28 13:50:04.017 INFO [stderr] Nov 28 13:50:04.028 INFO [stderr] warning: variable does not need to be mutable Nov 28 13:50:04.028 INFO [stderr] --> src/lib.rs:65:13 Nov 28 13:50:04.028 INFO [stderr] | Nov 28 13:50:04.028 INFO [stderr] 65 | let mut matrix = [[Link::default(); NONZERO_CONSTRAINTS_PER_POSSIBILITY]; POSSIBILITIES]; Nov 28 13:50:04.028 INFO [stderr] | ----^^^^^^ Nov 28 13:50:04.028 INFO [stderr] | | Nov 28 13:50:04.028 INFO [stderr] | help: remove this `mut` Nov 28 13:50:04.028 INFO [stderr] | Nov 28 13:50:04.028 INFO [stderr] = note: #[warn(unused_mut)] on by default Nov 28 13:50:04.028 INFO [stderr] Nov 28 13:50:04.028 INFO [stderr] warning: variable does not need to be mutable Nov 28 13:50:04.028 INFO [stderr] --> src/lib.rs:66:13 Nov 28 13:50:04.028 INFO [stderr] | Nov 28 13:50:04.028 INFO [stderr] 66 | let mut headers = [Header::default(); CONSTRAINTS]; Nov 28 13:50:04.028 INFO [stderr] | ----^^^^^^^ Nov 28 13:50:04.028 INFO [stderr] | | Nov 28 13:50:04.028 INFO [stderr] | help: remove this `mut` Nov 28 13:50:04.028 INFO [stderr] Nov 28 13:50:04.044 INFO [stderr] warning: variable does not need to be mutable Nov 28 13:50:04.044 INFO [stderr] --> src/lib.rs:114:9 Nov 28 13:50:04.044 INFO [stderr] | Nov 28 13:50:04.044 INFO [stderr] 114 | let mut constraint: &mut Link = &mut row[dense_column_index]; Nov 28 13:50:04.044 INFO [stderr] | ----^^^^^^^^^^ Nov 28 13:50:04.044 INFO [stderr] | | Nov 28 13:50:04.044 INFO [stderr] | help: remove this `mut` Nov 28 13:50:04.044 INFO [stderr] Nov 28 13:50:04.164 INFO [stderr] warning: unnecessary parentheses around `if` condition Nov 28 13:50:04.164 INFO [stderr] --> src/bin/sudoku.rs:15:12 Nov 28 13:50:04.164 INFO [stderr] | Nov 28 13:50:04.164 INFO [stderr] 15 | if (bytes_read == 0) { Nov 28 13:50:04.164 INFO [stderr] | ^^^^^^^^^^^^^^^^^ help: remove these parentheses Nov 28 13:50:04.164 INFO [stderr] | Nov 28 13:50:04.164 INFO [stderr] = note: #[warn(unused_parens)] on by default Nov 28 13:50:04.164 INFO [stderr] Nov 28 13:50:04.250 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 13:50:04.250 INFO [stderr] --> src/bin/sudoku.rs:29:13 Nov 28 13:50:04.250 INFO [stderr] | Nov 28 13:50:04.250 INFO [stderr] 29 | writeln!(stdout_lock); Nov 28 13:50:04.250 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ Nov 28 13:50:04.250 INFO [stderr] | Nov 28 13:50:04.250 INFO [stderr] = note: #[warn(unused_must_use)] on by default Nov 28 13:50:04.250 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 13:50:04.250 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Nov 28 13:50:04.250 INFO [stderr] Nov 28 13:50:04.250 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 13:50:04.250 INFO [stderr] --> src/bin/sudoku.rs:30:13 Nov 28 13:50:04.250 INFO [stderr] | Nov 28 13:50:04.250 INFO [stderr] 30 | stdout_lock.flush(); Nov 28 13:50:04.250 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^ Nov 28 13:50:04.250 INFO [stderr] | Nov 28 13:50:04.250 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 13:50:04.250 INFO [stderr] Nov 28 13:50:04.508 INFO [stderr] warning: method is never used: `to_sparse` Nov 28 13:50:04.508 INFO [stderr] --> src/coords.rs:18:5 Nov 28 13:50:04.509 INFO [stderr] | Nov 28 13:50:04.509 INFO [stderr] 18 | pub fn to_sparse(&self) -> SparseRow { Nov 28 13:50:04.509 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 13:50:04.509 INFO [stderr] | Nov 28 13:50:04.509 INFO [stderr] = note: #[warn(dead_code)] on by default Nov 28 13:50:04.509 INFO [stderr] Nov 28 13:50:04.509 INFO [stderr] warning: constant item is never used: `POSSIBILITIES` Nov 28 13:50:04.509 INFO [stderr] --> src/matrix.rs:5:1 Nov 28 13:50:04.509 INFO [stderr] | Nov 28 13:50:04.509 INFO [stderr] 5 | const POSSIBILITIES: usize = 9 * 9 * 9; Nov 28 13:50:04.509 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 13:50:04.509 INFO [stderr] Nov 28 13:50:04.509 INFO [stderr] warning: constant item is never used: `CONSTRAINTS` Nov 28 13:50:04.509 INFO [stderr] --> src/matrix.rs:9:1 Nov 28 13:50:04.509 INFO [stderr] | Nov 28 13:50:04.509 INFO [stderr] 9 | const CONSTRAINTS: usize = 9 * 9 + 9 * 9 + 9 * 9 + 9 * 9; Nov 28 13:50:04.509 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 13:50:04.509 INFO [stderr] Nov 28 13:50:04.509 INFO [stderr] warning: constant item is never used: `NONZERO_CONSTRAINTS_PER_POSSIBILITY` Nov 28 13:50:04.509 INFO [stderr] --> src/matrix.rs:13:1 Nov 28 13:50:04.509 INFO [stderr] | Nov 28 13:50:04.509 INFO [stderr] 13 | const NONZERO_CONSTRAINTS_PER_POSSIBILITY: usize = 4; Nov 28 13:50:04.509 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 13:50:04.509 INFO [stderr] Nov 28 13:50:04.510 INFO [stderr] warning: constant item is never used: `MATRIX_NODE_COUNT` Nov 28 13:50:04.510 INFO [stderr] --> src/matrix.rs:16:1 Nov 28 13:50:04.510 INFO [stderr] | Nov 28 13:50:04.510 INFO [stderr] 16 | const MATRIX_NODE_COUNT: usize = 1 + CONSTRAINTS + POSSIBILITIES * NONZERO_CONSTRAINTS_PER_POSSIBILITY; Nov 28 13:50:04.510 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 13:50:04.510 INFO [stderr] Nov 28 13:50:04.512 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 13:50:04.512 INFO [stderr] --> src/matrix.rs:359:13 Nov 28 13:50:04.513 INFO [stderr] | Nov 28 13:50:04.513 INFO [stderr] 359 | writeln!(f, "col {:?}", self.nodes[current_header_index]); Nov 28 13:50:04.513 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 13:50:04.513 INFO [stderr] | Nov 28 13:50:04.513 INFO [stderr] = note: #[warn(unused_must_use)] on by default Nov 28 13:50:04.513 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 13:50:04.513 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Nov 28 13:50:04.513 INFO [stderr] Nov 28 13:50:04.513 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 13:50:04.513 INFO [stderr] --> src/board.rs:84:13 Nov 28 13:50:04.513 INFO [stderr] | Nov 28 13:50:04.513 INFO [stderr] 84 | write!(to, "{} ", c); Nov 28 13:50:04.513 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 28 13:50:04.513 INFO [stderr] | Nov 28 13:50:04.513 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 13:50:04.513 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Nov 28 13:50:04.513 INFO [stderr] Nov 28 13:50:04.513 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 13:50:04.513 INFO [stderr] --> src/board.rs:86:9 Nov 28 13:50:04.513 INFO [stderr] | Nov 28 13:50:04.513 INFO [stderr] 86 | write!(to, "{}", self.entries[9*9-1]); Nov 28 13:50:04.513 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 13:50:04.513 INFO [stderr] | Nov 28 13:50:04.513 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 13:50:04.514 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Nov 28 13:50:04.514 INFO [stderr] Nov 28 13:50:04.514 INFO [stderr] warning: comparison is useless due to type limits Nov 28 13:50:04.514 INFO [stderr] --> src/board.rs:158:25 Nov 28 13:50:04.514 INFO [stderr] | Nov 28 13:50:04.514 INFO [stderr] 158 | assert!(value >= 0 && value <= 9); Nov 28 13:50:04.514 INFO [stderr] | ^^^^^^^^^^ Nov 28 13:50:04.514 INFO [stderr] | Nov 28 13:50:04.514 INFO [stderr] = note: #[warn(unused_comparisons)] on by default Nov 28 13:50:04.514 INFO [stderr] Nov 28 13:50:04.514 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 13:50:04.514 INFO [stderr] --> src/board.rs:202:13 Nov 28 13:50:04.514 INFO [stderr] | Nov 28 13:50:04.514 INFO [stderr] 202 | fmt_row(self, f, &mut buf, row); Nov 28 13:50:04.514 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 13:50:04.514 INFO [stderr] | Nov 28 13:50:04.514 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 13:50:04.514 INFO [stderr] Nov 28 13:50:04.644 INFO [stderr] warning: unnecessary parentheses around `if` condition Nov 28 13:50:04.644 INFO [stderr] --> src/bin/sudoku.rs:15:12 Nov 28 13:50:04.644 INFO [stderr] | Nov 28 13:50:04.645 INFO [stderr] 15 | if (bytes_read == 0) { Nov 28 13:50:04.645 INFO [stderr] | ^^^^^^^^^^^^^^^^^ help: remove these parentheses Nov 28 13:50:04.645 INFO [stderr] | Nov 28 13:50:04.645 INFO [stderr] = note: #[warn(unused_parens)] on by default Nov 28 13:50:04.645 INFO [stderr] Nov 28 13:50:04.724 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 13:50:04.724 INFO [stderr] --> src/bin/sudoku.rs:29:13 Nov 28 13:50:04.724 INFO [stderr] | Nov 28 13:50:04.724 INFO [stderr] 29 | writeln!(stdout_lock); Nov 28 13:50:04.724 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ Nov 28 13:50:04.724 INFO [stderr] | Nov 28 13:50:04.724 INFO [stderr] = note: #[warn(unused_must_use)] on by default Nov 28 13:50:04.724 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 13:50:04.724 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Nov 28 13:50:04.724 INFO [stderr] Nov 28 13:50:04.724 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 13:50:04.724 INFO [stderr] --> src/bin/sudoku.rs:30:13 Nov 28 13:50:04.724 INFO [stderr] | Nov 28 13:50:04.724 INFO [stderr] 30 | stdout_lock.flush(); Nov 28 13:50:04.724 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^ Nov 28 13:50:04.724 INFO [stderr] | Nov 28 13:50:04.724 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 13:50:04.724 INFO [stderr] Nov 28 13:50:04.752 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.55s Nov 28 13:50:04.764 INFO [stderr] su: No module specific data is present Nov 28 13:50:05.594 INFO running `"docker" "inspect" "da6f93e0811af40c1ca7a52904870978e4893b84240c54e65f482fe69d21adae"` Nov 28 13:50:05.910 INFO running `"docker" "rm" "-f" "da6f93e0811af40c1ca7a52904870978e4893b84240c54e65f482fe69d21adae"` Nov 28 13:50:06.240 INFO [stdout] da6f93e0811af40c1ca7a52904870978e4893b84240c54e65f482fe69d21adae