Dec 11 16:38:17.846 INFO checking jamwaffles/SudokuSolver.rs against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 16:38:17.846 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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"`
Dec 11 16:38:18.394 INFO [stdout] d772555fd69efb0da9eeca87c887e4f070d6aeeb22dd0669c567d7358a44fbe5
Dec 11 16:38:18.400 INFO running `"docker" "start" "-a" "d772555fd69efb0da9eeca87c887e4f070d6aeeb22dd0669c567d7358a44fbe5"`
Dec 11 16:38:20.138 INFO [stderr] usermod: no changes
Dec 11 16:38:20.201 INFO [stderr]     Checking SudokuSolver v0.1.0 (/source)
Dec 11 16:38:20.840 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 11 16:38:20.840 INFO [stderr]   --> src/sudoku/mod.rs:93:7
Dec 11 16:38:20.840 INFO [stderr]    |
Dec 11 16:38:20.840 INFO [stderr] 93 |                 if(col == 0) {
Dec 11 16:38:20.840 INFO [stderr]    |                   ^^^^^^^^^^ help: remove these parentheses
Dec 11 16:38:20.840 INFO [stderr]    |
Dec 11 16:38:20.840 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 11 16:38:20.840 INFO [stderr] 
Dec 11 16:38:20.840 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 11 16:38:20.840 INFO [stderr]    --> src/sudoku/mod.rs:195:32
Dec 11 16:38:20.840 INFO [stderr]     |
Dec 11 16:38:20.840 INFO [stderr] 195 |                         'columns: for block_y in (top..top + 3) {
Dec 11 16:38:20.840 INFO [stderr]     |                                                  ^^^^^^^^^^^^^^ help: remove these parentheses
Dec 11 16:38:20.840 INFO [stderr] 
Dec 11 16:38:20.840 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 11 16:38:20.840 INFO [stderr]    --> src/sudoku/mod.rs:196:23
Dec 11 16:38:20.840 INFO [stderr]     |
Dec 11 16:38:20.840 INFO [stderr] 196 |                             for block_x in (left..left + 3) {
Dec 11 16:38:20.840 INFO [stderr]     |                                            ^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 11 16:38:20.840 INFO [stderr] 
Dec 11 16:38:20.859 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 11 16:38:20.859 INFO [stderr]   --> src/sudoku/mod.rs:93:7
Dec 11 16:38:20.859 INFO [stderr]    |
Dec 11 16:38:20.859 INFO [stderr] 93 |                 if(col == 0) {
Dec 11 16:38:20.859 INFO [stderr]    |                   ^^^^^^^^^^ help: remove these parentheses
Dec 11 16:38:20.859 INFO [stderr]    |
Dec 11 16:38:20.859 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 11 16:38:20.859 INFO [stderr] 
Dec 11 16:38:20.859 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 11 16:38:20.859 INFO [stderr]    --> src/sudoku/mod.rs:195:32
Dec 11 16:38:20.859 INFO [stderr]     |
Dec 11 16:38:20.859 INFO [stderr] 195 |                         'columns: for block_y in (top..top + 3) {
Dec 11 16:38:20.859 INFO [stderr]     |                                                  ^^^^^^^^^^^^^^ help: remove these parentheses
Dec 11 16:38:20.859 INFO [stderr] 
Dec 11 16:38:20.859 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 11 16:38:20.859 INFO [stderr]    --> src/sudoku/mod.rs:196:23
Dec 11 16:38:20.859 INFO [stderr]     |
Dec 11 16:38:20.859 INFO [stderr] 196 |                             for block_x in (left..left + 3) {
Dec 11 16:38:20.859 INFO [stderr]     |                                            ^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 11 16:38:20.859 INFO [stderr] 
Dec 11 16:38:21.056 INFO [stderr] warning: unused variable: `value`
Dec 11 16:38:21.056 INFO [stderr]    --> src/sudoku/mod.rs:160:19
Dec 11 16:38:21.056 INFO [stderr]     |
Dec 11 16:38:21.056 INFO [stderr] 160 |                         for (row_x, value) in self.board[y].iter().enumerate() {
Dec 11 16:38:21.056 INFO [stderr]     |                                     ^^^^^ help: consider using `_value` instead
Dec 11 16:38:21.056 INFO [stderr]     |
Dec 11 16:38:21.056 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 11 16:38:21.056 INFO [stderr] 
Dec 11 16:38:21.056 INFO [stderr] warning: unused variable: `value`
Dec 11 16:38:21.056 INFO [stderr]    --> src/sudoku/mod.rs:179:19
Dec 11 16:38:21.056 INFO [stderr]     |
Dec 11 16:38:21.056 INFO [stderr] 179 |                         for (col_y, value) in col.iter().enumerate() {
Dec 11 16:38:21.056 INFO [stderr]     |                                     ^^^^^ help: consider using `_value` instead
Dec 11 16:38:21.056 INFO [stderr] 
Dec 11 16:38:21.096 INFO [stderr] warning: method is never used: `new`
Dec 11 16:38:21.096 INFO [stderr]   --> src/sudoku/mod.rs:12:2
Dec 11 16:38:21.096 INFO [stderr]    |
Dec 11 16:38:21.096 INFO [stderr] 12 |     pub fn new(input_board: &[ [ u8; 9 ]; 9 ]) -> Board {
Dec 11 16:38:21.096 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:38:21.096 INFO [stderr]    |
Dec 11 16:38:21.096 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 16:38:21.096 INFO [stderr] 
Dec 11 16:38:21.096 INFO [stderr] warning: crate `SudokuSolver` should have a snake case name such as `sudoku_solver`
Dec 11 16:38:21.096 INFO [stderr]   |
Dec 11 16:38:21.096 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 11 16:38:21.096 INFO [stderr] 
Dec 11 16:38:21.192 INFO [stderr] warning: unused variable: `value`
Dec 11 16:38:21.192 INFO [stderr]    --> src/sudoku/mod.rs:160:19
Dec 11 16:38:21.192 INFO [stderr]     |
Dec 11 16:38:21.192 INFO [stderr] 160 |                         for (row_x, value) in self.board[y].iter().enumerate() {
Dec 11 16:38:21.192 INFO [stderr]     |                                     ^^^^^ help: consider using `_value` instead
Dec 11 16:38:21.192 INFO [stderr]     |
Dec 11 16:38:21.192 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 11 16:38:21.192 INFO [stderr] 
Dec 11 16:38:21.192 INFO [stderr] warning: unused variable: `value`
Dec 11 16:38:21.192 INFO [stderr]    --> src/sudoku/mod.rs:179:19
Dec 11 16:38:21.192 INFO [stderr]     |
Dec 11 16:38:21.192 INFO [stderr] 179 |                         for (col_y, value) in col.iter().enumerate() {
Dec 11 16:38:21.192 INFO [stderr]     |                                     ^^^^^ help: consider using `_value` instead
Dec 11 16:38:21.192 INFO [stderr] 
Dec 11 16:38:21.267 INFO [stderr] warning: method is never used: `new`
Dec 11 16:38:21.267 INFO [stderr]   --> src/sudoku/mod.rs:12:2
Dec 11 16:38:21.267 INFO [stderr]    |
Dec 11 16:38:21.267 INFO [stderr] 12 |     pub fn new(input_board: &[ [ u8; 9 ]; 9 ]) -> Board {
Dec 11 16:38:21.267 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:38:21.267 INFO [stderr]    |
Dec 11 16:38:21.267 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 16:38:21.267 INFO [stderr] 
Dec 11 16:38:21.267 INFO [stderr] warning: crate `SudokuSolver` should have a snake case name such as `sudoku_solver`
Dec 11 16:38:21.267 INFO [stderr]   |
Dec 11 16:38:21.267 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 11 16:38:21.267 INFO [stderr] 
Dec 11 16:38:21.308 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
Dec 11 16:38:21.320 INFO [stderr] su: No module specific data is present
Dec 11 16:38:22.184 INFO running `"docker" "inspect" "d772555fd69efb0da9eeca87c887e4f070d6aeeb22dd0669c567d7358a44fbe5"`
Dec 11 16:38:22.534 INFO running `"docker" "rm" "-f" "d772555fd69efb0da9eeca87c887e4f070d6aeeb22dd0669c567d7358a44fbe5"`
Dec 11 16:38:22.936 INFO [stdout] d772555fd69efb0da9eeca87c887e4f070d6aeeb22dd0669c567d7358a44fbe5