Dec 02 07:53:59.873 INFO testing EthanTheMaster/sudoku_solver against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 02 07:53:59.873 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 07:54:00.285 INFO [stdout] 1489e55716183885f80b479f8d471b10ef6cdbd4e3363d0699232c4c137c231a
Dec 02 07:54:00.292 INFO running `"docker" "start" "-a" "1489e55716183885f80b479f8d471b10ef6cdbd4e3363d0699232c4c137c231a"`
Dec 02 07:54:01.488 INFO [stderr] usermod: no changes
Dec 02 07:54:01.543 INFO [stderr]    Compiling sudoku_solver v0.1.0 (/source)
Dec 02 07:54:02.199 INFO [stderr] warning: unused variable: `operation`
Dec 02 07:54:02.199 INFO [stderr]   --> src/sudoku_solver_dancinglinks/mod.rs:96:32
Dec 02 07:54:02.199 INFO [stderr]    |
Dec 02 07:54:02.199 INFO [stderr] 96 |         if let NodeType::Field(operation, column_header_id) = node_type {
Dec 02 07:54:02.199 INFO [stderr]    |                                ^^^^^^^^^ help: consider using `_operation` instead
Dec 02 07:54:02.199 INFO [stderr]    |
Dec 02 07:54:02.199 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 02 07:54:02.199 INFO [stderr] 
Dec 02 07:54:02.199 INFO [stderr] warning: unused variable: `constraint`
Dec 02 07:54:02.199 INFO [stderr]    --> src/sudoku_solver_dancinglinks/mod.rs:100:48
Dec 02 07:54:02.199 INFO [stderr]     |
Dec 02 07:54:02.199 INFO [stderr] 100 |                 NodeType::ColumnHeader(ref mut constraint, ref mut size) => {
Dec 02 07:54:02.199 INFO [stderr]     |                                                ^^^^^^^^^^ help: consider using `_constraint` instead
Dec 02 07:54:02.199 INFO [stderr] 
Dec 02 07:54:02.199 INFO [stderr] warning: unused variable: `operation`
Dec 02 07:54:02.199 INFO [stderr]    --> src/sudoku_solver_dancinglinks/mod.rs:119:29
Dec 02 07:54:02.199 INFO [stderr]     |
Dec 02 07:54:02.199 INFO [stderr] 119 |             NodeType::Field(operation, column_header_id) => {
Dec 02 07:54:02.199 INFO [stderr]     |                             ^^^^^^^^^ help: consider using `_operation` instead
Dec 02 07:54:02.199 INFO [stderr] 
Dec 02 07:54:02.199 INFO [stderr] warning: unused variable: `constraint`
Dec 02 07:54:02.199 INFO [stderr]    --> src/sudoku_solver_dancinglinks/mod.rs:127:36
Dec 02 07:54:02.199 INFO [stderr]     |
Dec 02 07:54:02.199 INFO [stderr] 127 |             NodeType::ColumnHeader(constraint, size) => {
Dec 02 07:54:02.199 INFO [stderr]     |                                    ^^^^^^^^^^ help: consider using `_constraint` instead
Dec 02 07:54:02.199 INFO [stderr] 
Dec 02 07:54:02.199 INFO [stderr] warning: unused variable: `constraint`
Dec 02 07:54:02.199 INFO [stderr]    --> src/sudoku_solver_dancinglinks/mod.rs:226:44
Dec 02 07:54:02.199 INFO [stderr]     |
Dec 02 07:54:02.199 INFO [stderr] 226 |                     NodeType::ColumnHeader(constraint, ref mut size) => {
Dec 02 07:54:02.199 INFO [stderr]     |                                            ^^^^^^^^^^ help: consider using `_constraint` instead
Dec 02 07:54:02.199 INFO [stderr] 
Dec 02 07:54:02.199 INFO [stderr] warning: unused variable: `constraint`
Dec 02 07:54:02.199 INFO [stderr]    --> src/sudoku_solver_dancinglinks/mod.rs:269:44
Dec 02 07:54:02.199 INFO [stderr]     |
Dec 02 07:54:02.199 INFO [stderr] 269 |                     NodeType::ColumnHeader(constraint, ref mut size) => {
Dec 02 07:54:02.199 INFO [stderr]     |                                            ^^^^^^^^^^ help: consider using `_constraint` instead
Dec 02 07:54:02.199 INFO [stderr] 
Dec 02 07:54:02.199 INFO [stderr] warning: unused variable: `idx`
Dec 02 07:54:02.199 INFO [stderr]   --> src/sudoku_solver_backtrack/mod.rs:35:24
Dec 02 07:54:02.199 INFO [stderr]    |
Dec 02 07:54:02.199 INFO [stderr] 35 |             .filter(|&(idx, val)| {
Dec 02 07:54:02.199 INFO [stderr]    |                        ^^^ help: consider using `_idx` instead
Dec 02 07:54:02.199 INFO [stderr] 
Dec 02 07:54:02.199 INFO [stderr] warning: unused variable: `val`
Dec 02 07:54:02.199 INFO [stderr]   --> src/sudoku_solver_backtrack/mod.rs:37:27
Dec 02 07:54:02.199 INFO [stderr]    |
Dec 02 07:54:02.199 INFO [stderr] 37 |             }).map(|(idx, val)| {
Dec 02 07:54:02.199 INFO [stderr]    |                           ^^^ help: consider using `_val` instead
Dec 02 07:54:02.199 INFO [stderr] 
Dec 02 07:54:02.253 INFO [stderr] warning: variable does not need to be mutable
Dec 02 07:54:02.253 INFO [stderr]   --> src/sudoku_solver_backtrack/mod.rs:34:13
Dec 02 07:54:02.253 INFO [stderr]    |
Dec 02 07:54:02.253 INFO [stderr] 34 |         let mut blank_positions: Vec<usize> = self.board.iter().enumerate()
Dec 02 07:54:02.253 INFO [stderr]    |             ----^^^^^^^^^^^^^^^
Dec 02 07:54:02.253 INFO [stderr]    |             |
Dec 02 07:54:02.253 INFO [stderr]    |             help: remove this `mut`
Dec 02 07:54:02.254 INFO [stderr]    |
Dec 02 07:54:02.254 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 02 07:54:02.254 INFO [stderr] 
Dec 02 07:54:03.539 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.02s
Dec 02 07:54:03.543 INFO [stderr] su: No module specific data is present
Dec 02 07:54:04.408 INFO running `"docker" "inspect" "1489e55716183885f80b479f8d471b10ef6cdbd4e3363d0699232c4c137c231a"`
Dec 02 07:54:04.683 INFO running `"docker" "rm" "-f" "1489e55716183885f80b479f8d471b10ef6cdbd4e3363d0699232c4c137c231a"`
Dec 02 07:54:05.143 INFO [stdout] 1489e55716183885f80b479f8d471b10ef6cdbd4e3363d0699232c4c137c231a
Dec 02 07:54:05.145 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 07:54:05.592 INFO [stdout] b32bcb176f4fadeb22939942dfaf455e8438a70403dbf95920e79371b0f4202c
Dec 02 07:54:05.595 INFO running `"docker" "start" "-a" "b32bcb176f4fadeb22939942dfaf455e8438a70403dbf95920e79371b0f4202c"`
Dec 02 07:54:06.703 INFO [stderr] usermod: no changes
Dec 02 07:54:06.751 INFO [stderr]    Compiling sudoku_solver v0.1.0 (/source)
Dec 02 07:54:07.545 INFO [stderr] warning: unused variable: `operation`
Dec 02 07:54:07.545 INFO [stderr]   --> src/sudoku_solver_dancinglinks/mod.rs:96:32
Dec 02 07:54:07.545 INFO [stderr]    |
Dec 02 07:54:07.545 INFO [stderr] 96 |         if let NodeType::Field(operation, column_header_id) = node_type {
Dec 02 07:54:07.545 INFO [stderr]    |                                ^^^^^^^^^ help: consider using `_operation` instead
Dec 02 07:54:07.545 INFO [stderr]    |
Dec 02 07:54:07.545 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 02 07:54:07.545 INFO [stderr] 
Dec 02 07:54:07.545 INFO [stderr] warning: unused variable: `constraint`
Dec 02 07:54:07.545 INFO [stderr]    --> src/sudoku_solver_dancinglinks/mod.rs:100:48
Dec 02 07:54:07.545 INFO [stderr]     |
Dec 02 07:54:07.545 INFO [stderr] 100 |                 NodeType::ColumnHeader(ref mut constraint, ref mut size) => {
Dec 02 07:54:07.545 INFO [stderr]     |                                                ^^^^^^^^^^ help: consider using `_constraint` instead
Dec 02 07:54:07.545 INFO [stderr] 
Dec 02 07:54:07.545 INFO [stderr] warning: unused variable: `operation`
Dec 02 07:54:07.545 INFO [stderr]    --> src/sudoku_solver_dancinglinks/mod.rs:119:29
Dec 02 07:54:07.545 INFO [stderr]     |
Dec 02 07:54:07.545 INFO [stderr] 119 |             NodeType::Field(operation, column_header_id) => {
Dec 02 07:54:07.545 INFO [stderr]     |                             ^^^^^^^^^ help: consider using `_operation` instead
Dec 02 07:54:07.545 INFO [stderr] 
Dec 02 07:54:07.545 INFO [stderr] warning: unused variable: `constraint`
Dec 02 07:54:07.545 INFO [stderr]    --> src/sudoku_solver_dancinglinks/mod.rs:127:36
Dec 02 07:54:07.545 INFO [stderr]     |
Dec 02 07:54:07.545 INFO [stderr] 127 |             NodeType::ColumnHeader(constraint, size) => {
Dec 02 07:54:07.545 INFO [stderr]     |                                    ^^^^^^^^^^ help: consider using `_constraint` instead
Dec 02 07:54:07.545 INFO [stderr] 
Dec 02 07:54:07.545 INFO [stderr] warning: unused variable: `constraint`
Dec 02 07:54:07.545 INFO [stderr]    --> src/sudoku_solver_dancinglinks/mod.rs:226:44
Dec 02 07:54:07.545 INFO [stderr]     |
Dec 02 07:54:07.545 INFO [stderr] 226 |                     NodeType::ColumnHeader(constraint, ref mut size) => {
Dec 02 07:54:07.545 INFO [stderr]     |                                            ^^^^^^^^^^ help: consider using `_constraint` instead
Dec 02 07:54:07.545 INFO [stderr] 
Dec 02 07:54:07.545 INFO [stderr] warning: unused variable: `constraint`
Dec 02 07:54:07.545 INFO [stderr]    --> src/sudoku_solver_dancinglinks/mod.rs:269:44
Dec 02 07:54:07.545 INFO [stderr]     |
Dec 02 07:54:07.545 INFO [stderr] 269 |                     NodeType::ColumnHeader(constraint, ref mut size) => {
Dec 02 07:54:07.545 INFO [stderr]     |                                            ^^^^^^^^^^ help: consider using `_constraint` instead
Dec 02 07:54:07.545 INFO [stderr] 
Dec 02 07:54:07.545 INFO [stderr] warning: unused variable: `idx`
Dec 02 07:54:07.545 INFO [stderr]   --> src/sudoku_solver_backtrack/mod.rs:35:24
Dec 02 07:54:07.545 INFO [stderr]    |
Dec 02 07:54:07.545 INFO [stderr] 35 |             .filter(|&(idx, val)| {
Dec 02 07:54:07.545 INFO [stderr]    |                        ^^^ help: consider using `_idx` instead
Dec 02 07:54:07.545 INFO [stderr] 
Dec 02 07:54:07.545 INFO [stderr] warning: unused variable: `val`
Dec 02 07:54:07.545 INFO [stderr]   --> src/sudoku_solver_backtrack/mod.rs:37:27
Dec 02 07:54:07.545 INFO [stderr]    |
Dec 02 07:54:07.545 INFO [stderr] 37 |             }).map(|(idx, val)| {
Dec 02 07:54:07.545 INFO [stderr]    |                           ^^^ help: consider using `_val` instead
Dec 02 07:54:07.545 INFO [stderr] 
Dec 02 07:54:07.609 INFO [stderr] warning: variable does not need to be mutable
Dec 02 07:54:07.609 INFO [stderr]   --> src/sudoku_solver_backtrack/mod.rs:34:13
Dec 02 07:54:07.609 INFO [stderr]    |
Dec 02 07:54:07.609 INFO [stderr] 34 |         let mut blank_positions: Vec<usize> = self.board.iter().enumerate()
Dec 02 07:54:07.609 INFO [stderr]    |             ----^^^^^^^^^^^^^^^
Dec 02 07:54:07.609 INFO [stderr]    |             |
Dec 02 07:54:07.609 INFO [stderr]    |             help: remove this `mut`
Dec 02 07:54:07.609 INFO [stderr]    |
Dec 02 07:54:07.609 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 02 07:54:07.609 INFO [stderr] 
Dec 02 07:54:08.123 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
Dec 02 07:54:08.123 INFO [stderr] su: No module specific data is present
Dec 02 07:54:08.799 INFO running `"docker" "inspect" "b32bcb176f4fadeb22939942dfaf455e8438a70403dbf95920e79371b0f4202c"`
Dec 02 07:54:09.019 INFO running `"docker" "rm" "-f" "b32bcb176f4fadeb22939942dfaf455e8438a70403dbf95920e79371b0f4202c"`
Dec 02 07:54:09.323 INFO [stdout] b32bcb176f4fadeb22939942dfaf455e8438a70403dbf95920e79371b0f4202c
Dec 02 07:54:09.331 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 07:54:09.764 INFO [stdout] b0bb0ff7745419f4215ca2004f2bcf7b628b30c2b0d41caf457a3c7fc7097248
Dec 02 07:54:09.769 INFO running `"docker" "start" "-a" "b0bb0ff7745419f4215ca2004f2bcf7b628b30c2b0d41caf457a3c7fc7097248"`
Dec 02 07:54:11.031 INFO [stderr] usermod: no changes
Dec 02 07:54:11.107 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 02 07:54:11.119 INFO [stderr]      Running /target/debug/deps/sudoku_solver-8ff5678fd185db72
Dec 02 07:54:11.131 INFO [stdout] 
Dec 02 07:54:11.131 INFO [stdout] running 0 tests
Dec 02 07:54:11.131 INFO [stdout] 
Dec 02 07:54:11.131 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 02 07:54:11.131 INFO [stdout] 
Dec 02 07:54:11.139 INFO [stderr] su: No module specific data is present
Dec 02 07:54:11.653 INFO running `"docker" "inspect" "b0bb0ff7745419f4215ca2004f2bcf7b628b30c2b0d41caf457a3c7fc7097248"`
Dec 02 07:54:11.919 INFO running `"docker" "rm" "-f" "b0bb0ff7745419f4215ca2004f2bcf7b628b30c2b0d41caf457a3c7fc7097248"`
Dec 02 07:54:12.215 INFO [stdout] b0bb0ff7745419f4215ca2004f2bcf7b628b30c2b0d41caf457a3c7fc7097248
