Nov 16 16:31:38.719 INFO testing proudzhu/sudoku-norvig against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 16 16:31:38.720 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 16 16:31:39.195 INFO [stdout] bd84745a7896a419bf76f8100542f54bf20c04d6fb942d9edc4f365d1c9001aa
Nov 16 16:31:39.195 INFO running `"docker" "start" "-a" "bd84745a7896a419bf76f8100542f54bf20c04d6fb942d9edc4f365d1c9001aa"`
Nov 16 16:31:40.820 INFO [stderr] usermod: no changes
Nov 16 16:31:40.879 INFO [stderr]    Compiling norvig v0.1.0 (/source)
Nov 16 16:31:41.282 INFO [stderr] warning: struct is never constructed: `Possible`
Nov 16 16:31:41.282 INFO [stderr]   --> src/main.rs:10:1
Nov 16 16:31:41.283 INFO [stderr]    |
Nov 16 16:31:41.284 INFO [stderr] 10 | struct Possible {
Nov 16 16:31:41.284 INFO [stderr]    | ^^^^^^^^^^^^^^^
Nov 16 16:31:41.284 INFO [stderr]    |
Nov 16 16:31:41.285 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 16 16:31:41.285 INFO [stderr] 
Nov 16 16:31:41.286 INFO [stderr] warning: method is never used: `is_on`
Nov 16 16:31:41.286 INFO [stderr]   --> src/main.rs:15:5
Nov 16 16:31:41.286 INFO [stderr]    |
Nov 16 16:31:41.286 INFO [stderr] 15 |     fn is_on(&self, i: u8) -> bool {
Nov 16 16:31:41.287 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 16:31:41.287 INFO [stderr] 
Nov 16 16:31:41.287 INFO [stderr] warning: method is never used: `count`
Nov 16 16:31:41.288 INFO [stderr]   --> src/main.rs:19:5
Nov 16 16:31:41.288 INFO [stderr]    |
Nov 16 16:31:41.288 INFO [stderr] 19 |     fn count(&self) -> u8 {
Nov 16 16:31:41.289 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 16 16:31:41.289 INFO [stderr] 
Nov 16 16:31:41.295 INFO [stderr] warning: method is never used: `eliminate`
Nov 16 16:31:41.296 INFO [stderr]   --> src/main.rs:25:5
Nov 16 16:31:41.296 INFO [stderr]    |
Nov 16 16:31:41.296 INFO [stderr] 25 |     fn eliminate(&mut self, i: u8) {
Nov 16 16:31:41.296 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 16:31:41.297 INFO [stderr] 
Nov 16 16:31:41.297 INFO [stderr] warning: method is never used: `val`
Nov 16 16:31:41.297 INFO [stderr]   --> src/main.rs:29:5
Nov 16 16:31:41.298 INFO [stderr]    |
Nov 16 16:31:41.298 INFO [stderr] 29 |     fn val(&self) -> u8 {
Nov 16 16:31:41.298 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Nov 16 16:31:41.298 INFO [stderr] 
Nov 16 16:31:41.299 INFO [stderr] warning: struct is never constructed: `Sudoku`
Nov 16 16:31:41.299 INFO [stderr]   --> src/main.rs:34:1
Nov 16 16:31:41.299 INFO [stderr]    |
Nov 16 16:31:41.300 INFO [stderr] 34 | struct Sudoku {
Nov 16 16:31:41.300 INFO [stderr]    | ^^^^^^^^^^^^^
Nov 16 16:31:41.300 INFO [stderr] 
Nov 16 16:31:41.300 INFO [stderr] warning: method is never used: `assign`
Nov 16 16:31:41.301 INFO [stderr]   --> src/main.rs:41:5
Nov 16 16:31:41.301 INFO [stderr]    |
Nov 16 16:31:41.301 INFO [stderr] 41 |     fn assign(&mut self, grid: &[Vec<u8>], row: usize, col: usize, d: u8) -> bool {
Nov 16 16:31:41.301 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 16:31:41.302 INFO [stderr] 
Nov 16 16:31:41.302 INFO [stderr] warning: method is never used: `eliminate`
Nov 16 16:31:41.302 INFO [stderr]   --> src/main.rs:50:5
Nov 16 16:31:41.302 INFO [stderr]    |
Nov 16 16:31:41.303 INFO [stderr] 50 |     fn eliminate(&mut self, grid: &[Vec<u8>], row: usize, col: usize, d: u8) -> bool {
Nov 16 16:31:41.303 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 16:31:41.303 INFO [stderr] 
Nov 16 16:31:42.175 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
Nov 16 16:31:42.184 INFO [stderr] su: No module specific data is present
Nov 16 16:31:43.338 INFO running `"docker" "inspect" "bd84745a7896a419bf76f8100542f54bf20c04d6fb942d9edc4f365d1c9001aa"`
Nov 16 16:31:43.711 INFO running `"docker" "rm" "-f" "bd84745a7896a419bf76f8100542f54bf20c04d6fb942d9edc4f365d1c9001aa"`
Nov 16 16:31:44.059 INFO [stdout] bd84745a7896a419bf76f8100542f54bf20c04d6fb942d9edc4f365d1c9001aa
Nov 16 16:31:44.066 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 16 16:31:44.609 INFO [stdout] cc248c207a2055a3a01c45c17f31d428d55443ba08111f731b23172ec876c73c
Nov 16 16:31:44.612 INFO running `"docker" "start" "-a" "cc248c207a2055a3a01c45c17f31d428d55443ba08111f731b23172ec876c73c"`
Nov 16 16:31:46.402 INFO [stderr] usermod: no changes
Nov 16 16:31:46.463 INFO [stderr]    Compiling norvig v0.1.0 (/source)
Nov 16 16:31:46.963 INFO [stderr] warning: struct is never constructed: `Possible`
Nov 16 16:31:46.964 INFO [stderr]   --> src/main.rs:10:1
Nov 16 16:31:46.964 INFO [stderr]    |
Nov 16 16:31:46.964 INFO [stderr] 10 | struct Possible {
Nov 16 16:31:46.965 INFO [stderr]    | ^^^^^^^^^^^^^^^
Nov 16 16:31:46.965 INFO [stderr]    |
Nov 16 16:31:46.965 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 16 16:31:46.965 INFO [stderr] 
Nov 16 16:31:46.966 INFO [stderr] warning: method is never used: `is_on`
Nov 16 16:31:46.966 INFO [stderr]   --> src/main.rs:15:5
Nov 16 16:31:46.966 INFO [stderr]    |
Nov 16 16:31:46.966 INFO [stderr] 15 |     fn is_on(&self, i: u8) -> bool {
Nov 16 16:31:46.967 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 16:31:46.967 INFO [stderr] 
Nov 16 16:31:46.967 INFO [stderr] warning: method is never used: `count`
Nov 16 16:31:46.967 INFO [stderr]   --> src/main.rs:19:5
Nov 16 16:31:46.968 INFO [stderr]    |
Nov 16 16:31:46.968 INFO [stderr] 19 |     fn count(&self) -> u8 {
Nov 16 16:31:46.968 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 16 16:31:46.968 INFO [stderr] 
Nov 16 16:31:46.969 INFO [stderr] warning: method is never used: `eliminate`
Nov 16 16:31:46.969 INFO [stderr]   --> src/main.rs:25:5
Nov 16 16:31:46.969 INFO [stderr]    |
Nov 16 16:31:46.969 INFO [stderr] 25 |     fn eliminate(&mut self, i: u8) {
Nov 16 16:31:46.970 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 16:31:46.970 INFO [stderr] 
Nov 16 16:31:46.970 INFO [stderr] warning: method is never used: `val`
Nov 16 16:31:46.970 INFO [stderr]   --> src/main.rs:29:5
Nov 16 16:31:46.971 INFO [stderr]    |
Nov 16 16:31:46.971 INFO [stderr] 29 |     fn val(&self) -> u8 {
Nov 16 16:31:46.971 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Nov 16 16:31:46.971 INFO [stderr] 
Nov 16 16:31:46.972 INFO [stderr] warning: struct is never constructed: `Sudoku`
Nov 16 16:31:46.972 INFO [stderr]   --> src/main.rs:34:1
Nov 16 16:31:46.972 INFO [stderr]    |
Nov 16 16:31:46.973 INFO [stderr] 34 | struct Sudoku {
Nov 16 16:31:46.973 INFO [stderr]    | ^^^^^^^^^^^^^
Nov 16 16:31:46.973 INFO [stderr] 
Nov 16 16:31:46.973 INFO [stderr] warning: method is never used: `assign`
Nov 16 16:31:46.974 INFO [stderr]   --> src/main.rs:41:5
Nov 16 16:31:46.974 INFO [stderr]    |
Nov 16 16:31:46.974 INFO [stderr] 41 |     fn assign(&mut self, grid: &[Vec<u8>], row: usize, col: usize, d: u8) -> bool {
Nov 16 16:31:46.979 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 16:31:46.979 INFO [stderr] 
Nov 16 16:31:46.979 INFO [stderr] warning: method is never used: `eliminate`
Nov 16 16:31:46.980 INFO [stderr]   --> src/main.rs:50:5
Nov 16 16:31:46.980 INFO [stderr]    |
Nov 16 16:31:46.980 INFO [stderr] 50 |     fn eliminate(&mut self, grid: &[Vec<u8>], row: usize, col: usize, d: u8) -> bool {
Nov 16 16:31:46.980 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 16:31:46.981 INFO [stderr] 
Nov 16 16:31:47.531 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
Nov 16 16:31:47.535 INFO [stderr] su: No module specific data is present
Nov 16 16:31:49.007 INFO running `"docker" "inspect" "cc248c207a2055a3a01c45c17f31d428d55443ba08111f731b23172ec876c73c"`
Nov 16 16:31:49.383 INFO running `"docker" "rm" "-f" "cc248c207a2055a3a01c45c17f31d428d55443ba08111f731b23172ec876c73c"`
Nov 16 16:31:49.703 INFO [stdout] cc248c207a2055a3a01c45c17f31d428d55443ba08111f731b23172ec876c73c
Nov 16 16:31:49.711 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 16 16:31:50.103 INFO [stdout] 1ecd859b48decbfaac01fdfbcf78b16b329ecc458c61b85622f694f66c8598ba
Nov 16 16:31:50.111 INFO running `"docker" "start" "-a" "1ecd859b48decbfaac01fdfbcf78b16b329ecc458c61b85622f694f66c8598ba"`
Nov 16 16:31:51.770 INFO [stderr] usermod: no changes
Nov 16 16:31:51.857 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Nov 16 16:31:51.859 INFO [stderr]      Running /target/debug/deps/norvig-ca241279d77dda10
Nov 16 16:31:51.875 INFO [stdout] 
Nov 16 16:31:51.875 INFO [stdout] running 0 tests
Nov 16 16:31:51.875 INFO [stdout] 
Nov 16 16:31:51.875 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 16:31:51.875 INFO [stdout] 
Nov 16 16:31:51.883 INFO [stderr] su: No module specific data is present
Nov 16 16:31:52.855 INFO running `"docker" "inspect" "1ecd859b48decbfaac01fdfbcf78b16b329ecc458c61b85622f694f66c8598ba"`
Nov 16 16:31:53.203 INFO running `"docker" "rm" "-f" "1ecd859b48decbfaac01fdfbcf78b16b329ecc458c61b85622f694f66c8598ba"`
Nov 16 16:31:53.533 INFO [stdout] 1ecd859b48decbfaac01fdfbcf78b16b329ecc458c61b85622f694f66c8598ba