Dec 04 16:53:28.296 INFO checking jamwaffles/SudokuSolver.rs against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 16:53:28.296 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 04 16:53:28.776 INFO [stdout] 40d4cc83586150634c1bcb23bdfffc93660f463cecfce8f4da0b8f81110f9ad1
Dec 04 16:53:28.781 INFO running `"docker" "start" "-a" "40d4cc83586150634c1bcb23bdfffc93660f463cecfce8f4da0b8f81110f9ad1"`
Dec 04 16:53:30.059 INFO [stderr] usermod: no changes
Dec 04 16:53:30.110 INFO [stderr]     Checking SudokuSolver v0.1.0 (/source)
Dec 04 16:53:30.571 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 04 16:53:30.571 INFO [stderr]   --> src/sudoku/mod.rs:93:7
Dec 04 16:53:30.571 INFO [stderr]    |
Dec 04 16:53:30.571 INFO [stderr] 93 |                 if(col == 0) {
Dec 04 16:53:30.571 INFO [stderr]    |                   ^^^^^^^^^^ help: remove these parentheses
Dec 04 16:53:30.571 INFO [stderr]    |
Dec 04 16:53:30.571 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 04 16:53:30.571 INFO [stderr] 
Dec 04 16:53:30.571 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 04 16:53:30.571 INFO [stderr]    --> src/sudoku/mod.rs:195:32
Dec 04 16:53:30.571 INFO [stderr]     |
Dec 04 16:53:30.571 INFO [stderr] 195 |                         'columns: for block_y in (top..top + 3) {
Dec 04 16:53:30.571 INFO [stderr]     |                                                  ^^^^^^^^^^^^^^ help: remove these parentheses
Dec 04 16:53:30.571 INFO [stderr] 
Dec 04 16:53:30.571 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 04 16:53:30.571 INFO [stderr]    --> src/sudoku/mod.rs:196:23
Dec 04 16:53:30.571 INFO [stderr]     |
Dec 04 16:53:30.571 INFO [stderr] 196 |                             for block_x in (left..left + 3) {
Dec 04 16:53:30.571 INFO [stderr]     |                                            ^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 04 16:53:30.571 INFO [stderr] 
Dec 04 16:53:30.699 INFO [stderr] warning: unused variable: `value`
Dec 04 16:53:30.699 INFO [stderr]    --> src/sudoku/mod.rs:160:19
Dec 04 16:53:30.699 INFO [stderr]     |
Dec 04 16:53:30.699 INFO [stderr] 160 |                         for (row_x, value) in self.board[y].iter().enumerate() {
Dec 04 16:53:30.699 INFO [stderr]     |                                     ^^^^^ help: consider using `_value` instead
Dec 04 16:53:30.699 INFO [stderr]     |
Dec 04 16:53:30.699 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 04 16:53:30.699 INFO [stderr] 
Dec 04 16:53:30.699 INFO [stderr] warning: unused variable: `value`
Dec 04 16:53:30.699 INFO [stderr]    --> src/sudoku/mod.rs:179:19
Dec 04 16:53:30.699 INFO [stderr]     |
Dec 04 16:53:30.699 INFO [stderr] 179 |                         for (col_y, value) in col.iter().enumerate() {
Dec 04 16:53:30.699 INFO [stderr]     |                                     ^^^^^ help: consider using `_value` instead
Dec 04 16:53:30.699 INFO [stderr] 
Dec 04 16:53:30.723 INFO [stderr] warning: method is never used: `new`
Dec 04 16:53:30.723 INFO [stderr]   --> src/sudoku/mod.rs:12:2
Dec 04 16:53:30.723 INFO [stderr]    |
Dec 04 16:53:30.723 INFO [stderr] 12 |     pub fn new(input_board: &[ [ u8; 9 ]; 9 ]) -> Board {
Dec 04 16:53:30.723 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:53:30.723 INFO [stderr]    |
Dec 04 16:53:30.723 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 16:53:30.723 INFO [stderr] 
Dec 04 16:53:30.724 INFO [stderr] warning: crate `SudokuSolver` should have a snake case name such as `sudoku_solver`
Dec 04 16:53:30.724 INFO [stderr]   |
Dec 04 16:53:30.724 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 04 16:53:30.724 INFO [stderr] 
Dec 04 16:53:30.739 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 04 16:53:30.739 INFO [stderr]   --> src/sudoku/mod.rs:93:7
Dec 04 16:53:30.739 INFO [stderr]    |
Dec 04 16:53:30.739 INFO [stderr] 93 |                 if(col == 0) {
Dec 04 16:53:30.739 INFO [stderr]    |                   ^^^^^^^^^^ help: remove these parentheses
Dec 04 16:53:30.739 INFO [stderr]    |
Dec 04 16:53:30.739 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 04 16:53:30.739 INFO [stderr] 
Dec 04 16:53:30.739 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 04 16:53:30.739 INFO [stderr]    --> src/sudoku/mod.rs:195:32
Dec 04 16:53:30.739 INFO [stderr]     |
Dec 04 16:53:30.739 INFO [stderr] 195 |                         'columns: for block_y in (top..top + 3) {
Dec 04 16:53:30.739 INFO [stderr]     |                                                  ^^^^^^^^^^^^^^ help: remove these parentheses
Dec 04 16:53:30.739 INFO [stderr] 
Dec 04 16:53:30.739 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 04 16:53:30.739 INFO [stderr]    --> src/sudoku/mod.rs:196:23
Dec 04 16:53:30.739 INFO [stderr]     |
Dec 04 16:53:30.739 INFO [stderr] 196 |                             for block_x in (left..left + 3) {
Dec 04 16:53:30.739 INFO [stderr]     |                                            ^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 04 16:53:30.739 INFO [stderr] 
Dec 04 16:53:30.875 INFO [stderr] warning: unused variable: `value`
Dec 04 16:53:30.875 INFO [stderr]    --> src/sudoku/mod.rs:160:19
Dec 04 16:53:30.875 INFO [stderr]     |
Dec 04 16:53:30.875 INFO [stderr] 160 |                         for (row_x, value) in self.board[y].iter().enumerate() {
Dec 04 16:53:30.875 INFO [stderr]     |                                     ^^^^^ help: consider using `_value` instead
Dec 04 16:53:30.875 INFO [stderr]     |
Dec 04 16:53:30.875 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 04 16:53:30.875 INFO [stderr] 
Dec 04 16:53:30.875 INFO [stderr] warning: unused variable: `value`
Dec 04 16:53:30.875 INFO [stderr]    --> src/sudoku/mod.rs:179:19
Dec 04 16:53:30.875 INFO [stderr]     |
Dec 04 16:53:30.875 INFO [stderr] 179 |                         for (col_y, value) in col.iter().enumerate() {
Dec 04 16:53:30.875 INFO [stderr]     |                                     ^^^^^ help: consider using `_value` instead
Dec 04 16:53:30.875 INFO [stderr] 
Dec 04 16:53:30.903 INFO [stderr] warning: method is never used: `new`
Dec 04 16:53:30.903 INFO [stderr]   --> src/sudoku/mod.rs:12:2
Dec 04 16:53:30.903 INFO [stderr]    |
Dec 04 16:53:30.903 INFO [stderr] 12 |     pub fn new(input_board: &[ [ u8; 9 ]; 9 ]) -> Board {
Dec 04 16:53:30.903 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:53:30.903 INFO [stderr]    |
Dec 04 16:53:30.903 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 16:53:30.903 INFO [stderr] 
Dec 04 16:53:30.903 INFO [stderr] warning: crate `SudokuSolver` should have a snake case name such as `sudoku_solver`
Dec 04 16:53:30.903 INFO [stderr]   |
Dec 04 16:53:30.903 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 04 16:53:30.903 INFO [stderr] 
Dec 04 16:53:30.915 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
Dec 04 16:53:30.919 INFO [stderr] su: No module specific data is present
Dec 04 16:53:31.559 INFO running `"docker" "inspect" "40d4cc83586150634c1bcb23bdfffc93660f463cecfce8f4da0b8f81110f9ad1"`
Dec 04 16:53:31.921 INFO running `"docker" "rm" "-f" "40d4cc83586150634c1bcb23bdfffc93660f463cecfce8f4da0b8f81110f9ad1"`
Dec 04 16:53:32.203 INFO [stdout] 40d4cc83586150634c1bcb23bdfffc93660f463cecfce8f4da0b8f81110f9ad1