Nov 17 15:42:56.265 INFO testing EkardNT/sudoku against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 17 15:42:56.266 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-5/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 17 15:42:56.781 INFO [stdout] e9fa863819a9d1153b26b0eb400561863a65190a6015498ccdc99a6c7cfdf295
Nov 17 15:42:56.784 INFO running `"docker" "start" "-a" "e9fa863819a9d1153b26b0eb400561863a65190a6015498ccdc99a6c7cfdf295"`
Nov 17 15:42:58.395 INFO [stderr] usermod: no changes
Nov 17 15:42:58.443 INFO [stderr]    Compiling sudoku v0.1.0 (/source)
Nov 17 15:42:58.893 INFO [stderr] warning: unnecessary parentheses around `while` condition
Nov 17 15:42:58.894 INFO [stderr]    --> src/matrix.rs:185:15
Nov 17 15:42:58.894 INFO [stderr]     |
Nov 17 15:42:58.895 INFO [stderr] 185 |         while (current_down_index != header_index) {
Nov 17 15:42:58.895 INFO [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 17 15:42:58.895 INFO [stderr]     |
Nov 17 15:42:58.895 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Nov 17 15:42:58.895 INFO [stderr] 
Nov 17 15:42:58.895 INFO [stderr] warning: unnecessary parentheses around `while` condition
Nov 17 15:42:58.895 INFO [stderr]    --> src/matrix.rs:191:19
Nov 17 15:42:58.895 INFO [stderr]     |
Nov 17 15:42:58.895 INFO [stderr] 191 |             while (current_right_index != current_down_index) {
Nov 17 15:42:58.895 INFO [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 17 15:42:58.895 INFO [stderr] 
Nov 17 15:42:58.895 INFO [stderr] warning: unnecessary parentheses around `while` condition
Nov 17 15:42:58.895 INFO [stderr]    --> src/matrix.rs:223:15
Nov 17 15:42:58.895 INFO [stderr]     |
Nov 17 15:42:58.895 INFO [stderr] 223 |         while (current_up_index != header_index) {
Nov 17 15:42:58.895 INFO [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 17 15:42:58.895 INFO [stderr] 
Nov 17 15:42:58.895 INFO [stderr] warning: unnecessary parentheses around `while` condition
Nov 17 15:42:58.895 INFO [stderr]    --> src/matrix.rs:229:19
Nov 17 15:42:58.895 INFO [stderr]     |
Nov 17 15:42:58.896 INFO [stderr] 229 |             while (current_left_index != current_up_index) {
Nov 17 15:42:58.896 INFO [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 17 15:42:58.896 INFO [stderr] 
Nov 17 15:42:58.896 INFO [stderr] warning: unnecessary parentheses around `while` condition
Nov 17 15:42:58.897 INFO [stderr]    --> src/matrix.rs:307:15
Nov 17 15:42:58.897 INFO [stderr]     |
Nov 17 15:42:58.897 INFO [stderr] 307 |         while (current_down_index != min_header_index) {
Nov 17 15:42:58.897 INFO [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 17 15:42:58.897 INFO [stderr] 
Nov 17 15:42:58.897 INFO [stderr] warning: unnecessary parentheses around `while` condition
Nov 17 15:42:58.897 INFO [stderr]    --> src/matrix.rs:313:19
Nov 17 15:42:58.897 INFO [stderr]     |
Nov 17 15:42:58.897 INFO [stderr] 313 |             while (current_right_index != current_down_index) {
Nov 17 15:42:58.897 INFO [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 17 15:42:58.897 INFO [stderr] 
Nov 17 15:42:58.897 INFO [stderr] warning: unnecessary parentheses around `while` condition
Nov 17 15:42:58.897 INFO [stderr]    --> src/matrix.rs:332:19
Nov 17 15:42:58.897 INFO [stderr]     |
Nov 17 15:42:58.897 INFO [stderr] 332 |             while (current_left_index != current_down_index) {
Nov 17 15:42:58.897 INFO [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 17 15:42:58.897 INFO [stderr] 
Nov 17 15:42:58.897 INFO [stderr] warning: unnecessary parentheses around `while` condition
Nov 17 15:42:58.897 INFO [stderr]    --> src/matrix.rs:358:15
Nov 17 15:42:58.897 INFO [stderr]     |
Nov 17 15:42:58.897 INFO [stderr] 358 |         while (current_header_index != Matrix::ROOT_INDEX) {
Nov 17 15:42:58.897 INFO [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 17 15:42:58.897 INFO [stderr] 
Nov 17 15:42:58.898 INFO [stderr] warning: unnecessary parentheses around `if` condition
Nov 17 15:42:58.900 INFO [stderr]    --> src/matrix.rs:376:24
Nov 17 15:42:58.900 INFO [stderr]     |
Nov 17 15:42:58.900 INFO [stderr] 376 |                     if (current_index == row_front_index) {
Nov 17 15:42:58.900 INFO [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 17 15:42:58.900 INFO [stderr] 
Nov 17 15:42:58.900 INFO [stderr] warning: unused imports: `Debug`, `Display`, `Formatter`, `Write`
Nov 17 15:42:58.900 INFO [stderr]  --> src/lib.rs:5:16
Nov 17 15:42:58.900 INFO [stderr]   |
Nov 17 15:42:58.900 INFO [stderr] 5 | use std::fmt::{Display, Write, Formatter, Debug};
Nov 17 15:42:58.900 INFO [stderr]   |                ^^^^^^^  ^^^^^  ^^^^^^^^^  ^^^^^
Nov 17 15:42:58.900 INFO [stderr]   |
Nov 17 15:42:58.900 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 17 15:42:58.900 INFO [stderr] 
Nov 17 15:42:58.900 INFO [stderr] warning: unused import: `std::str::FromStr`
Nov 17 15:42:58.900 INFO [stderr]  --> src/lib.rs:6:5
Nov 17 15:42:58.900 INFO [stderr]   |
Nov 17 15:42:58.900 INFO [stderr] 6 | use std::str::FromStr;
Nov 17 15:42:58.900 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Nov 17 15:42:58.900 INFO [stderr] 
Nov 17 15:42:58.900 INFO [stderr] warning: unused import: `matrix::*`
Nov 17 15:42:58.900 INFO [stderr]  --> src/lib.rs:9:5
Nov 17 15:42:58.900 INFO [stderr]   |
Nov 17 15:42:58.900 INFO [stderr] 9 | use matrix::*;
Nov 17 15:42:58.900 INFO [stderr]   |     ^^^^^^^^^
Nov 17 15:42:58.900 INFO [stderr] 
Nov 17 15:42:59.128 INFO [stderr] warning: unused variable: `i`
Nov 17 15:42:59.128 INFO [stderr]    --> src/board.rs:211:13
Nov 17 15:42:59.128 INFO [stderr]     |
Nov 17 15:42:59.128 INFO [stderr] 211 |         let i = col + row * 9;
Nov 17 15:42:59.128 INFO [stderr]     |             ^ help: consider using `_i` instead
Nov 17 15:42:59.128 INFO [stderr]     |
Nov 17 15:42:59.128 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 17 15:42:59.128 INFO [stderr] 
Nov 17 15:42:59.128 INFO [stderr] warning: unused variable: `column`
Nov 17 15:42:59.129 INFO [stderr]    --> src/coords.rs:119:28
Nov 17 15:42:59.129 INFO [stderr]     |
Nov 17 15:42:59.129 INFO [stderr] 119 |     pub fn to_dense(&self, column: &SparseColumn) -> DenseRow {
Nov 17 15:42:59.129 INFO [stderr]     |                            ^^^^^^ help: consider using `_column` instead
Nov 17 15:42:59.129 INFO [stderr] 
Nov 17 15:42:59.130 INFO [stderr] warning: unused variable: `sparse_row`
Nov 17 15:42:59.130 INFO [stderr]   --> src/lib.rs:95:17
Nov 17 15:42:59.130 INFO [stderr]    |
Nov 17 15:42:59.130 INFO [stderr] 95 |             let sparse_row = SparseRow::new(row_index);
Nov 17 15:42:59.130 INFO [stderr]    |                 ^^^^^^^^^^ help: consider using `_sparse_row` instead
Nov 17 15:42:59.130 INFO [stderr] 
Nov 17 15:42:59.130 INFO [stderr] warning: unused variable: `board`
Nov 17 15:42:59.130 INFO [stderr]    --> src/lib.rs:123:25
Nov 17 15:42:59.130 INFO [stderr]     |
Nov 17 15:42:59.130 INFO [stderr] 123 |     fn solve(&mut self, board: &mut Board) -> Result<(), ()> {
Nov 17 15:42:59.130 INFO [stderr]     |                         ^^^^^ help: consider using `_board` instead
Nov 17 15:42:59.130 INFO [stderr] 
Nov 17 15:42:59.135 INFO [stderr] warning: variable does not need to be mutable
Nov 17 15:42:59.135 INFO [stderr]   --> src/lib.rs:65:13
Nov 17 15:42:59.135 INFO [stderr]    |
Nov 17 15:42:59.135 INFO [stderr] 65 |         let mut matrix = [[Link::default(); NONZERO_CONSTRAINTS_PER_POSSIBILITY]; POSSIBILITIES];
Nov 17 15:42:59.138 INFO [stderr]    |             ----^^^^^^
Nov 17 15:42:59.138 INFO [stderr]    |             |
Nov 17 15:42:59.138 INFO [stderr]    |             help: remove this `mut`
Nov 17 15:42:59.138 INFO [stderr]    |
Nov 17 15:42:59.138 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 17 15:42:59.138 INFO [stderr] 
Nov 17 15:42:59.138 INFO [stderr] warning: variable does not need to be mutable
Nov 17 15:42:59.138 INFO [stderr]   --> src/lib.rs:66:13
Nov 17 15:42:59.140 INFO [stderr]    |
Nov 17 15:42:59.140 INFO [stderr] 66 |         let mut headers = [Header::default(); CONSTRAINTS];
Nov 17 15:42:59.140 INFO [stderr]    |             ----^^^^^^^
Nov 17 15:42:59.140 INFO [stderr]    |             |
Nov 17 15:42:59.140 INFO [stderr]    |             help: remove this `mut`
Nov 17 15:42:59.140 INFO [stderr] 
Nov 17 15:42:59.144 INFO [stderr] warning: variable does not need to be mutable
Nov 17 15:42:59.144 INFO [stderr]    --> src/lib.rs:114:9
Nov 17 15:42:59.144 INFO [stderr]     |
Nov 17 15:42:59.144 INFO [stderr] 114 |     let mut constraint: &mut Link = &mut row[dense_column_index];
Nov 17 15:42:59.144 INFO [stderr]     |         ----^^^^^^^^^^
Nov 17 15:42:59.144 INFO [stderr]     |         |
Nov 17 15:42:59.144 INFO [stderr]     |         help: remove this `mut`
Nov 17 15:42:59.144 INFO [stderr] 
Nov 17 15:42:59.227 INFO [stderr] warning: method is never used: `to_sparse`
Nov 17 15:42:59.227 INFO [stderr]   --> src/coords.rs:18:5
Nov 17 15:42:59.227 INFO [stderr]    |
Nov 17 15:42:59.228 INFO [stderr] 18 |     pub fn to_sparse(&self) -> SparseRow {
Nov 17 15:42:59.228 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 15:42:59.228 INFO [stderr]    |
Nov 17 15:42:59.228 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 17 15:42:59.229 INFO [stderr] 
Nov 17 15:42:59.229 INFO [stderr] warning: method is never used: `to_sparse`
Nov 17 15:42:59.229 INFO [stderr]    --> src/coords.rs:130:5
Nov 17 15:42:59.229 INFO [stderr]     |
Nov 17 15:42:59.229 INFO [stderr] 130 |     pub fn to_sparse(&self, row: &DenseRow) -> SparseColumn {
Nov 17 15:42:59.230 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 15:42:59.230 INFO [stderr] 
Nov 17 15:42:59.230 INFO [stderr] warning: constant item is never used: `POSSIBILITIES`
Nov 17 15:42:59.230 INFO [stderr]  --> src/matrix.rs:5:1
Nov 17 15:42:59.230 INFO [stderr]   |
Nov 17 15:42:59.230 INFO [stderr] 5 | const POSSIBILITIES: usize = 9 * 9 * 9;
Nov 17 15:42:59.231 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 15:42:59.231 INFO [stderr] 
Nov 17 15:42:59.231 INFO [stderr] warning: constant item is never used: `CONSTRAINTS`
Nov 17 15:42:59.231 INFO [stderr]  --> src/matrix.rs:9:1
Nov 17 15:42:59.231 INFO [stderr]   |
Nov 17 15:42:59.231 INFO [stderr] 9 | const CONSTRAINTS: usize = 9 * 9 + 9 * 9 + 9 * 9 + 9 * 9;
Nov 17 15:42:59.232 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 15:42:59.232 INFO [stderr] 
Nov 17 15:42:59.232 INFO [stderr] warning: constant item is never used: `NONZERO_CONSTRAINTS_PER_POSSIBILITY`
Nov 17 15:42:59.232 INFO [stderr]   --> src/matrix.rs:13:1
Nov 17 15:42:59.232 INFO [stderr]    |
Nov 17 15:42:59.232 INFO [stderr] 13 | const NONZERO_CONSTRAINTS_PER_POSSIBILITY: usize = 4;
Nov 17 15:42:59.233 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 15:42:59.233 INFO [stderr] 
Nov 17 15:42:59.233 INFO [stderr] warning: constant item is never used: `MATRIX_NODE_COUNT`
Nov 17 15:42:59.233 INFO [stderr]   --> src/matrix.rs:16:1
Nov 17 15:42:59.233 INFO [stderr]    |
Nov 17 15:42:59.234 INFO [stderr] 16 | const MATRIX_NODE_COUNT: usize = 1 + CONSTRAINTS + POSSIBILITIES * NONZERO_CONSTRAINTS_PER_POSSIBILITY;
Nov 17 15:42:59.234 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 15:42:59.234 INFO [stderr] 
Nov 17 15:42:59.234 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 15:42:59.234 INFO [stderr]    --> src/matrix.rs:359:13
Nov 17 15:42:59.234 INFO [stderr]     |
Nov 17 15:42:59.235 INFO [stderr] 359 |             writeln!(f, "col {:?}", self.nodes[current_header_index]);
Nov 17 15:42:59.235 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 15:42:59.235 INFO [stderr]     |
Nov 17 15:42:59.235 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 17 15:42:59.235 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 15:42:59.235 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 17 15:42:59.236 INFO [stderr] 
Nov 17 15:42:59.236 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 15:42:59.236 INFO [stderr]   --> src/board.rs:84:13
Nov 17 15:42:59.236 INFO [stderr]    |
Nov 17 15:42:59.236 INFO [stderr] 84 |             write!(to, "{} ", c);
Nov 17 15:42:59.236 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^
Nov 17 15:42:59.237 INFO [stderr]    |
Nov 17 15:42:59.237 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 15:42:59.237 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 17 15:42:59.237 INFO [stderr] 
Nov 17 15:42:59.237 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 15:42:59.237 INFO [stderr]   --> src/board.rs:86:9
Nov 17 15:42:59.238 INFO [stderr]    |
Nov 17 15:42:59.238 INFO [stderr] 86 |         write!(to, "{}", self.entries[9*9-1]);
Nov 17 15:42:59.238 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 15:42:59.238 INFO [stderr]    |
Nov 17 15:42:59.238 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 15:42:59.238 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 17 15:42:59.238 INFO [stderr] 
Nov 17 15:42:59.238 INFO [stderr] warning: comparison is useless due to type limits
Nov 17 15:42:59.238 INFO [stderr]    --> src/board.rs:158:25
Nov 17 15:42:59.238 INFO [stderr]     |
Nov 17 15:42:59.238 INFO [stderr] 158 |                 assert!(value >= 0 && value <= 9);
Nov 17 15:42:59.238 INFO [stderr]     |                         ^^^^^^^^^^
Nov 17 15:42:59.238 INFO [stderr]     |
Nov 17 15:42:59.238 INFO [stderr]     = note: #[warn(unused_comparisons)] on by default
Nov 17 15:42:59.238 INFO [stderr] 
Nov 17 15:42:59.238 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 15:42:59.238 INFO [stderr]    --> src/board.rs:202:13
Nov 17 15:42:59.238 INFO [stderr]     |
Nov 17 15:42:59.238 INFO [stderr] 202 |             fmt_row(self, f, &mut buf, row);
Nov 17 15:42:59.238 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 15:42:59.238 INFO [stderr]     |
Nov 17 15:42:59.238 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 15:42:59.238 INFO [stderr] 
Nov 17 15:43:00.127 INFO [stderr] warning: unnecessary parentheses around `if` condition
Nov 17 15:43:00.127 INFO [stderr]   --> src/bin/sudoku.rs:15:12
Nov 17 15:43:00.127 INFO [stderr]    |
Nov 17 15:43:00.127 INFO [stderr] 15 |         if (bytes_read == 0) {
Nov 17 15:43:00.127 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 17 15:43:00.127 INFO [stderr]    |
Nov 17 15:43:00.127 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Nov 17 15:43:00.127 INFO [stderr] 
Nov 17 15:43:00.183 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 15:43:00.183 INFO [stderr]   --> src/bin/sudoku.rs:29:13
Nov 17 15:43:00.183 INFO [stderr]    |
Nov 17 15:43:00.183 INFO [stderr] 29 |             writeln!(stdout_lock);
Nov 17 15:43:00.183 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^
Nov 17 15:43:00.183 INFO [stderr]    |
Nov 17 15:43:00.183 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 17 15:43:00.183 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 15:43:00.183 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 17 15:43:00.183 INFO [stderr] 
Nov 17 15:43:00.183 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 15:43:00.183 INFO [stderr]   --> src/bin/sudoku.rs:30:13
Nov 17 15:43:00.183 INFO [stderr]    |
Nov 17 15:43:00.183 INFO [stderr] 30 |             stdout_lock.flush();
Nov 17 15:43:00.183 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^
Nov 17 15:43:00.183 INFO [stderr]    |
Nov 17 15:43:00.183 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 15:43:00.183 INFO [stderr] 
Nov 17 15:43:00.787 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.35s
Nov 17 15:43:00.787 INFO [stderr] su: No module specific data is present
Nov 17 15:43:01.505 INFO running `"docker" "inspect" "e9fa863819a9d1153b26b0eb400561863a65190a6015498ccdc99a6c7cfdf295"`
Nov 17 15:43:01.853 INFO running `"docker" "rm" "-f" "e9fa863819a9d1153b26b0eb400561863a65190a6015498ccdc99a6c7cfdf295"`
Nov 17 15:43:02.220 INFO [stdout] e9fa863819a9d1153b26b0eb400561863a65190a6015498ccdc99a6c7cfdf295
Nov 17 15:43:02.229 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-5/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 17 15:43:02.739 INFO [stdout] 9ec14eaf38ab3881e2368b10fff7526430830971ac76c500912715ab59f9746e
Nov 17 15:43:02.745 INFO running `"docker" "start" "-a" "9ec14eaf38ab3881e2368b10fff7526430830971ac76c500912715ab59f9746e"`
Nov 17 15:43:03.935 INFO [stderr] usermod: no changes
Nov 17 15:43:04.028 INFO [stderr]    Compiling sudoku v0.1.0 (/source)
Nov 17 15:43:04.803 INFO [stderr] warning: unnecessary parentheses around `if` condition
Nov 17 15:43:04.803 INFO [stderr]   --> src/bin/sudoku.rs:15:12
Nov 17 15:43:04.803 INFO [stderr]    |
Nov 17 15:43:04.803 INFO [stderr] 15 |         if (bytes_read == 0) {
Nov 17 15:43:04.803 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 17 15:43:04.803 INFO [stderr]    |
Nov 17 15:43:04.804 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Nov 17 15:43:04.804 INFO [stderr] 
Nov 17 15:43:04.947 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 15:43:04.947 INFO [stderr]   --> src/bin/sudoku.rs:29:13
Nov 17 15:43:04.947 INFO [stderr]    |
Nov 17 15:43:04.947 INFO [stderr] 29 |             writeln!(stdout_lock);
Nov 17 15:43:04.947 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^
Nov 17 15:43:04.947 INFO [stderr]    |
Nov 17 15:43:04.948 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 17 15:43:04.948 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 15:43:04.948 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 17 15:43:04.949 INFO [stderr] 
Nov 17 15:43:04.949 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 15:43:04.949 INFO [stderr]   --> src/bin/sudoku.rs:30:13
Nov 17 15:43:04.950 INFO [stderr]    |
Nov 17 15:43:04.950 INFO [stderr] 30 |             stdout_lock.flush();
Nov 17 15:43:04.950 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^
Nov 17 15:43:04.950 INFO [stderr]    |
Nov 17 15:43:04.951 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 15:43:04.951 INFO [stderr] 
Nov 17 15:43:05.237 INFO [stderr] warning: unnecessary parentheses around `while` condition
Nov 17 15:43:05.237 INFO [stderr]    --> src/matrix.rs:185:15
Nov 17 15:43:05.238 INFO [stderr]     |
Nov 17 15:43:05.238 INFO [stderr] 185 |         while (current_down_index != header_index) {
Nov 17 15:43:05.238 INFO [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 17 15:43:05.239 INFO [stderr]     |
Nov 17 15:43:05.239 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Nov 17 15:43:05.239 INFO [stderr] 
Nov 17 15:43:05.240 INFO [stderr] warning: unnecessary parentheses around `while` condition
Nov 17 15:43:05.240 INFO [stderr]    --> src/matrix.rs:191:19
Nov 17 15:43:05.240 INFO [stderr]     |
Nov 17 15:43:05.240 INFO [stderr] 191 |             while (current_right_index != current_down_index) {
Nov 17 15:43:05.240 INFO [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 17 15:43:05.240 INFO [stderr] 
Nov 17 15:43:05.240 INFO [stderr] warning: unnecessary parentheses around `while` condition
Nov 17 15:43:05.240 INFO [stderr]    --> src/matrix.rs:223:15
Nov 17 15:43:05.240 INFO [stderr]     |
Nov 17 15:43:05.240 INFO [stderr] 223 |         while (current_up_index != header_index) {
Nov 17 15:43:05.240 INFO [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 17 15:43:05.240 INFO [stderr] 
Nov 17 15:43:05.240 INFO [stderr] warning: unnecessary parentheses around `while` condition
Nov 17 15:43:05.240 INFO [stderr]    --> src/matrix.rs:229:19
Nov 17 15:43:05.240 INFO [stderr]     |
Nov 17 15:43:05.240 INFO [stderr] 229 |             while (current_left_index != current_up_index) {
Nov 17 15:43:05.240 INFO [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 17 15:43:05.240 INFO [stderr] 
Nov 17 15:43:05.240 INFO [stderr] warning: unnecessary parentheses around `while` condition
Nov 17 15:43:05.240 INFO [stderr]    --> src/matrix.rs:307:15
Nov 17 15:43:05.240 INFO [stderr]     |
Nov 17 15:43:05.240 INFO [stderr] 307 |         while (current_down_index != min_header_index) {
Nov 17 15:43:05.240 INFO [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 17 15:43:05.240 INFO [stderr] 
Nov 17 15:43:05.240 INFO [stderr] warning: unnecessary parentheses around `while` condition
Nov 17 15:43:05.241 INFO [stderr]    --> src/matrix.rs:313:19
Nov 17 15:43:05.241 INFO [stderr]     |
Nov 17 15:43:05.241 INFO [stderr] 313 |             while (current_right_index != current_down_index) {
Nov 17 15:43:05.241 INFO [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 17 15:43:05.241 INFO [stderr] 
Nov 17 15:43:05.241 INFO [stderr] warning: unnecessary parentheses around `while` condition
Nov 17 15:43:05.241 INFO [stderr]    --> src/matrix.rs:332:19
Nov 17 15:43:05.241 INFO [stderr]     |
Nov 17 15:43:05.241 INFO [stderr] 332 |             while (current_left_index != current_down_index) {
Nov 17 15:43:05.241 INFO [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 17 15:43:05.241 INFO [stderr] 
Nov 17 15:43:05.241 INFO [stderr] warning: unnecessary parentheses around `while` condition
Nov 17 15:43:05.241 INFO [stderr]    --> src/matrix.rs:358:15
Nov 17 15:43:05.241 INFO [stderr]     |
Nov 17 15:43:05.241 INFO [stderr] 358 |         while (current_header_index != Matrix::ROOT_INDEX) {
Nov 17 15:43:05.242 INFO [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 17 15:43:05.242 INFO [stderr] 
Nov 17 15:43:05.242 INFO [stderr] warning: unnecessary parentheses around `if` condition
Nov 17 15:43:05.242 INFO [stderr]    --> src/matrix.rs:376:24
Nov 17 15:43:05.242 INFO [stderr]     |
Nov 17 15:43:05.242 INFO [stderr] 376 |                     if (current_index == row_front_index) {
Nov 17 15:43:05.242 INFO [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 17 15:43:05.242 INFO [stderr] 
Nov 17 15:43:05.242 INFO [stderr] warning: unused imports: `NodeKind`, `Node`
Nov 17 15:43:05.242 INFO [stderr]    --> src/matrix.rs:389:25
Nov 17 15:43:05.242 INFO [stderr]     |
Nov 17 15:43:05.242 INFO [stderr] 389 |     use super::{Matrix, Node, NodeKind};
Nov 17 15:43:05.242 INFO [stderr]     |                         ^^^^  ^^^^^^^^
Nov 17 15:43:05.242 INFO [stderr]     |
Nov 17 15:43:05.242 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Nov 17 15:43:05.242 INFO [stderr] 
Nov 17 15:43:05.242 INFO [stderr] warning: unused imports: `Debug`, `Display`, `Formatter`, `Write`
Nov 17 15:43:05.242 INFO [stderr]  --> src/lib.rs:5:16
Nov 17 15:43:05.242 INFO [stderr]   |
Nov 17 15:43:05.243 INFO [stderr] 5 | use std::fmt::{Display, Write, Formatter, Debug};
Nov 17 15:43:05.243 INFO [stderr]   |                ^^^^^^^  ^^^^^  ^^^^^^^^^  ^^^^^
Nov 17 15:43:05.243 INFO [stderr] 
Nov 17 15:43:05.259 INFO [stderr] warning: unused import: `std::str::FromStr`
Nov 17 15:43:05.259 INFO [stderr]  --> src/lib.rs:6:5
Nov 17 15:43:05.259 INFO [stderr]   |
Nov 17 15:43:05.259 INFO [stderr] 6 | use std::str::FromStr;
Nov 17 15:43:05.259 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Nov 17 15:43:05.259 INFO [stderr] 
Nov 17 15:43:05.259 INFO [stderr] warning: unused import: `matrix::*`
Nov 17 15:43:05.259 INFO [stderr]  --> src/lib.rs:9:5
Nov 17 15:43:05.259 INFO [stderr]   |
Nov 17 15:43:05.259 INFO [stderr] 9 | use matrix::*;
Nov 17 15:43:05.259 INFO [stderr]   |     ^^^^^^^^^
Nov 17 15:43:05.259 INFO [stderr] 
Nov 17 15:43:05.832 INFO [stderr] warning: unused variable: `i`
Nov 17 15:43:05.832 INFO [stderr]    --> src/board.rs:211:13
Nov 17 15:43:05.832 INFO [stderr]     |
Nov 17 15:43:05.832 INFO [stderr] 211 |         let i = col + row * 9;
Nov 17 15:43:05.832 INFO [stderr]     |             ^ help: consider using `_i` instead
Nov 17 15:43:05.832 INFO [stderr]     |
Nov 17 15:43:05.832 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 17 15:43:05.832 INFO [stderr] 
Nov 17 15:43:05.832 INFO [stderr] warning: unused variable: `dense_row_index`
Nov 17 15:43:05.832 INFO [stderr]    --> src/coords.rs:276:17
Nov 17 15:43:05.832 INFO [stderr]     |
Nov 17 15:43:05.832 INFO [stderr] 276 |             for dense_row_index in 0..9*9*9 {
Nov 17 15:43:05.832 INFO [stderr]     |                 ^^^^^^^^^^^^^^^ help: consider using `_dense_row_index` instead
Nov 17 15:43:05.832 INFO [stderr] 
Nov 17 15:43:05.835 INFO [stderr] warning: unused variable: `column`
Nov 17 15:43:05.835 INFO [stderr]    --> src/coords.rs:119:28
Nov 17 15:43:05.835 INFO [stderr]     |
Nov 17 15:43:05.835 INFO [stderr] 119 |     pub fn to_dense(&self, column: &SparseColumn) -> DenseRow {
Nov 17 15:43:05.835 INFO [stderr]     |                            ^^^^^^ help: consider using `_column` instead
Nov 17 15:43:05.835 INFO [stderr] 
Nov 17 15:43:05.835 INFO [stderr] warning: unused variable: `sparse_row`
Nov 17 15:43:05.835 INFO [stderr]   --> src/lib.rs:95:17
Nov 17 15:43:05.835 INFO [stderr]    |
Nov 17 15:43:05.835 INFO [stderr] 95 |             let sparse_row = SparseRow::new(row_index);
Nov 17 15:43:05.835 INFO [stderr]    |                 ^^^^^^^^^^ help: consider using `_sparse_row` instead
Nov 17 15:43:05.835 INFO [stderr] 
Nov 17 15:43:05.835 INFO [stderr] warning: unused variable: `board`
Nov 17 15:43:05.835 INFO [stderr]    --> src/lib.rs:123:25
Nov 17 15:43:05.835 INFO [stderr]     |
Nov 17 15:43:05.835 INFO [stderr] 123 |     fn solve(&mut self, board: &mut Board) -> Result<(), ()> {
Nov 17 15:43:05.835 INFO [stderr]     |                         ^^^^^ help: consider using `_board` instead
Nov 17 15:43:05.835 INFO [stderr] 
Nov 17 15:43:05.841 INFO [stderr] warning: variable does not need to be mutable
Nov 17 15:43:05.841 INFO [stderr]   --> src/lib.rs:65:13
Nov 17 15:43:05.841 INFO [stderr]    |
Nov 17 15:43:05.841 INFO [stderr] 65 |         let mut matrix = [[Link::default(); NONZERO_CONSTRAINTS_PER_POSSIBILITY]; POSSIBILITIES];
Nov 17 15:43:05.842 INFO [stderr]    |             ----^^^^^^
Nov 17 15:43:05.842 INFO [stderr]    |             |
Nov 17 15:43:05.842 INFO [stderr]    |             help: remove this `mut`
Nov 17 15:43:05.842 INFO [stderr]    |
Nov 17 15:43:05.842 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 17 15:43:05.842 INFO [stderr] 
Nov 17 15:43:05.842 INFO [stderr] warning: variable does not need to be mutable
Nov 17 15:43:05.842 INFO [stderr]   --> src/lib.rs:66:13
Nov 17 15:43:05.842 INFO [stderr]    |
Nov 17 15:43:05.842 INFO [stderr] 66 |         let mut headers = [Header::default(); CONSTRAINTS];
Nov 17 15:43:05.842 INFO [stderr]    |             ----^^^^^^^
Nov 17 15:43:05.842 INFO [stderr]    |             |
Nov 17 15:43:05.842 INFO [stderr]    |             help: remove this `mut`
Nov 17 15:43:05.842 INFO [stderr] 
Nov 17 15:43:05.849 INFO [stderr] warning: variable does not need to be mutable
Nov 17 15:43:05.849 INFO [stderr]    --> src/lib.rs:114:9
Nov 17 15:43:05.849 INFO [stderr]     |
Nov 17 15:43:05.849 INFO [stderr] 114 |     let mut constraint: &mut Link = &mut row[dense_column_index];
Nov 17 15:43:05.849 INFO [stderr]     |         ----^^^^^^^^^^
Nov 17 15:43:05.849 INFO [stderr]     |         |
Nov 17 15:43:05.849 INFO [stderr]     |         help: remove this `mut`
Nov 17 15:43:05.849 INFO [stderr] 
Nov 17 15:43:05.997 INFO [stderr] warning: method is never used: `to_sparse`
Nov 17 15:43:05.997 INFO [stderr]   --> src/coords.rs:18:5
Nov 17 15:43:05.997 INFO [stderr]    |
Nov 17 15:43:05.997 INFO [stderr] 18 |     pub fn to_sparse(&self) -> SparseRow {
Nov 17 15:43:05.997 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 15:43:05.997 INFO [stderr]    |
Nov 17 15:43:05.997 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 17 15:43:05.997 INFO [stderr] 
Nov 17 15:43:05.998 INFO [stderr] warning: constant item is never used: `POSSIBILITIES`
Nov 17 15:43:05.998 INFO [stderr]  --> src/matrix.rs:5:1
Nov 17 15:43:05.998 INFO [stderr]   |
Nov 17 15:43:05.998 INFO [stderr] 5 | const POSSIBILITIES: usize = 9 * 9 * 9;
Nov 17 15:43:05.998 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 15:43:05.998 INFO [stderr] 
Nov 17 15:43:05.998 INFO [stderr] warning: constant item is never used: `CONSTRAINTS`
Nov 17 15:43:05.998 INFO [stderr]  --> src/matrix.rs:9:1
Nov 17 15:43:05.998 INFO [stderr]   |
Nov 17 15:43:05.998 INFO [stderr] 9 | const CONSTRAINTS: usize = 9 * 9 + 9 * 9 + 9 * 9 + 9 * 9;
Nov 17 15:43:05.998 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 15:43:05.998 INFO [stderr] 
Nov 17 15:43:05.998 INFO [stderr] warning: constant item is never used: `NONZERO_CONSTRAINTS_PER_POSSIBILITY`
Nov 17 15:43:05.998 INFO [stderr]   --> src/matrix.rs:13:1
Nov 17 15:43:05.998 INFO [stderr]    |
Nov 17 15:43:05.998 INFO [stderr] 13 | const NONZERO_CONSTRAINTS_PER_POSSIBILITY: usize = 4;
Nov 17 15:43:05.998 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 15:43:05.998 INFO [stderr] 
Nov 17 15:43:05.998 INFO [stderr] warning: constant item is never used: `MATRIX_NODE_COUNT`
Nov 17 15:43:05.998 INFO [stderr]   --> src/matrix.rs:16:1
Nov 17 15:43:05.998 INFO [stderr]    |
Nov 17 15:43:05.999 INFO [stderr] 16 | const MATRIX_NODE_COUNT: usize = 1 + CONSTRAINTS + POSSIBILITIES * NONZERO_CONSTRAINTS_PER_POSSIBILITY;
Nov 17 15:43:05.999 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 15:43:05.999 INFO [stderr] 
Nov 17 15:43:06.007 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 15:43:06.007 INFO [stderr]    --> src/matrix.rs:359:13
Nov 17 15:43:06.007 INFO [stderr]     |
Nov 17 15:43:06.007 INFO [stderr] 359 |             writeln!(f, "col {:?}", self.nodes[current_header_index]);
Nov 17 15:43:06.007 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 15:43:06.007 INFO [stderr]     |
Nov 17 15:43:06.007 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 17 15:43:06.007 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 15:43:06.007 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 17 15:43:06.007 INFO [stderr] 
Nov 17 15:43:06.007 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 15:43:06.007 INFO [stderr]   --> src/board.rs:84:13
Nov 17 15:43:06.008 INFO [stderr]    |
Nov 17 15:43:06.008 INFO [stderr] 84 |             write!(to, "{} ", c);
Nov 17 15:43:06.008 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^
Nov 17 15:43:06.008 INFO [stderr]    |
Nov 17 15:43:06.008 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 15:43:06.008 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 17 15:43:06.008 INFO [stderr] 
Nov 17 15:43:06.008 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 15:43:06.008 INFO [stderr]   --> src/board.rs:86:9
Nov 17 15:43:06.008 INFO [stderr]    |
Nov 17 15:43:06.008 INFO [stderr] 86 |         write!(to, "{}", self.entries[9*9-1]);
Nov 17 15:43:06.008 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 15:43:06.008 INFO [stderr]    |
Nov 17 15:43:06.008 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 15:43:06.008 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 17 15:43:06.008 INFO [stderr] 
Nov 17 15:43:06.008 INFO [stderr] warning: comparison is useless due to type limits
Nov 17 15:43:06.008 INFO [stderr]    --> src/board.rs:158:25
Nov 17 15:43:06.008 INFO [stderr]     |
Nov 17 15:43:06.008 INFO [stderr] 158 |                 assert!(value >= 0 && value <= 9);
Nov 17 15:43:06.008 INFO [stderr]     |                         ^^^^^^^^^^
Nov 17 15:43:06.008 INFO [stderr]     |
Nov 17 15:43:06.009 INFO [stderr]     = note: #[warn(unused_comparisons)] on by default
Nov 17 15:43:06.009 INFO [stderr] 
Nov 17 15:43:06.009 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 15:43:06.009 INFO [stderr]    --> src/board.rs:202:13
Nov 17 15:43:06.009 INFO [stderr]     |
Nov 17 15:43:06.009 INFO [stderr] 202 |             fmt_row(self, f, &mut buf, row);
Nov 17 15:43:06.009 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 15:43:06.009 INFO [stderr]     |
Nov 17 15:43:06.009 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 15:43:06.009 INFO [stderr] 
Nov 17 15:43:07.279 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.31s
Nov 17 15:43:07.283 INFO [stderr] su: No module specific data is present
Nov 17 15:43:08.213 INFO running `"docker" "inspect" "9ec14eaf38ab3881e2368b10fff7526430830971ac76c500912715ab59f9746e"`
Nov 17 15:43:08.498 INFO running `"docker" "rm" "-f" "9ec14eaf38ab3881e2368b10fff7526430830971ac76c500912715ab59f9746e"`
Nov 17 15:43:08.811 INFO [stdout] 9ec14eaf38ab3881e2368b10fff7526430830971ac76c500912715ab59f9746e
Nov 17 15:43:08.813 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-5/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 17 15:43:09.299 INFO [stdout] 8fbef3a3de652edfd37f290862c95ffe364f167ad0f917f634c0c054894ca9d6
Nov 17 15:43:09.308 INFO running `"docker" "start" "-a" "8fbef3a3de652edfd37f290862c95ffe364f167ad0f917f634c0c054894ca9d6"`
Nov 17 15:43:10.415 INFO [stderr] usermod: no changes
Nov 17 15:43:10.487 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
Nov 17 15:43:10.495 INFO [stderr]      Running /target/debug/deps/sudoku-148c6f02ea57fc4d
Nov 17 15:43:10.495 INFO [stdout] 
Nov 17 15:43:10.495 INFO [stdout] running 18 tests
Nov 17 15:43:10.524 INFO [stdout] test board::tests::board_from_multiline_str ... ok
Nov 17 15:43:10.524 INFO [stdout] test board::tests::possibility_get_matrix_column_box ... ok
Nov 17 15:43:10.524 INFO [stdout] test board::tests::board_from_singleline_str ... ok
Nov 17 15:43:10.524 INFO [stdout] test board::tests::possibility_from_matrix_row_consistent_with_get_matrix_row ... ok
Nov 17 15:43:10.524 INFO [stdout] test board::tests::possibility_get_matrix_column_column ... ok
Nov 17 15:43:10.524 INFO [stdout] test board::tests::possibility_get_matrix_column_cell ... ok
Nov 17 15:43:10.524 INFO [stdout] test coords::tests::natural_left ... ok
Nov 17 15:43:10.524 INFO [stdout] test coords::tests::first_row ... ok
Nov 17 15:43:10.524 INFO [stdout] test coords::tests::natural_down ... ok
Nov 17 15:43:10.524 INFO [stdout] test coords::tests::natural_left_right_reflexive ... ok
Nov 17 15:43:10.524 INFO [stdout] test coords::tests::natural_up ... ok
Nov 17 15:43:10.524 INFO [stdout] test board::tests::possibility_get_matrix_column_row ... ok
Nov 17 15:43:10.524 INFO [stdout] test board::tests::singleline_and_multiline_board_equivalency ... ok
Nov 17 15:43:10.524 INFO [stdout] test board::tests::possibility_get_matrix_row ... ok
Nov 17 15:43:10.524 INFO [stdout] test coords::tests::dense_column_to_sparse ... ok
Nov 17 15:43:10.524 INFO [stdout] test coords::tests::natural_right ... ok
Nov 17 15:43:10.535 INFO [stdout] test coords::tests::natural_up_down_reflexive ... ok
Nov 17 15:43:10.535 INFO [stderr]      Running /target/debug/deps/sudoku-e13ef2e51636921b
Nov 17 15:43:10.535 INFO [stdout] test matrix::tests::new_matrix ... ok
Nov 17 15:43:10.535 INFO [stderr]    Doc-tests sudoku
Nov 17 15:43:10.535 INFO [stdout] 
Nov 17 15:43:10.535 INFO [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 15:43:10.535 INFO [stdout] 
Nov 17 15:43:10.535 INFO [stdout] 
Nov 17 15:43:10.535 INFO [stdout] running 0 tests
Nov 17 15:43:10.535 INFO [stdout] 
Nov 17 15:43:10.535 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 15:43:10.535 INFO [stdout] 
Nov 17 15:43:11.177 INFO [stdout] 
Nov 17 15:43:11.177 INFO [stdout] running 0 tests
Nov 17 15:43:11.177 INFO [stdout] 
Nov 17 15:43:11.177 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 15:43:11.177 INFO [stdout] 
Nov 17 15:43:11.192 INFO [stderr] su: No module specific data is present
Nov 17 15:43:11.909 INFO running `"docker" "inspect" "8fbef3a3de652edfd37f290862c95ffe364f167ad0f917f634c0c054894ca9d6"`
Nov 17 15:43:12.134 INFO running `"docker" "rm" "-f" "8fbef3a3de652edfd37f290862c95ffe364f167ad0f917f634c0c054894ca9d6"`
Nov 17 15:43:12.586 INFO [stdout] 8fbef3a3de652edfd37f290862c95ffe364f167ad0f917f634c0c054894ca9d6