Dec 13 06:59:20.557 INFO testing proudzhu/sudoku-norvig against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 13 06:59:20.557 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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"`
Dec 13 06:59:21.083 INFO [stdout] fe37bff2849437cee6bea3dc457ba94f443e47065ab6035e642a98ce5ec50359
Dec 13 06:59:21.085 INFO running `"docker" "start" "-a" "fe37bff2849437cee6bea3dc457ba94f443e47065ab6035e642a98ce5ec50359"`
Dec 13 06:59:22.899 INFO [stderr] usermod: no changes
Dec 13 06:59:22.947 INFO [stderr]    Compiling norvig v0.1.0 (/source)
Dec 13 06:59:23.335 INFO [stderr] warning: struct is never constructed: `Possible`
Dec 13 06:59:23.335 INFO [stderr]   --> src/main.rs:10:1
Dec 13 06:59:23.335 INFO [stderr]    |
Dec 13 06:59:23.335 INFO [stderr] 10 | struct Possible {
Dec 13 06:59:23.335 INFO [stderr]    | ^^^^^^^^^^^^^^^
Dec 13 06:59:23.335 INFO [stderr]    |
Dec 13 06:59:23.335 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 06:59:23.335 INFO [stderr] 
Dec 13 06:59:23.335 INFO [stderr] warning: method is never used: `is_on`
Dec 13 06:59:23.335 INFO [stderr]   --> src/main.rs:15:5
Dec 13 06:59:23.335 INFO [stderr]    |
Dec 13 06:59:23.335 INFO [stderr] 15 |     fn is_on(&self, i: u8) -> bool {
Dec 13 06:59:23.335 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 06:59:23.335 INFO [stderr] 
Dec 13 06:59:23.335 INFO [stderr] warning: method is never used: `count`
Dec 13 06:59:23.335 INFO [stderr]   --> src/main.rs:19:5
Dec 13 06:59:23.335 INFO [stderr]    |
Dec 13 06:59:23.335 INFO [stderr] 19 |     fn count(&self) -> u8 {
Dec 13 06:59:23.335 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 13 06:59:23.335 INFO [stderr] 
Dec 13 06:59:23.335 INFO [stderr] warning: method is never used: `eliminate`
Dec 13 06:59:23.335 INFO [stderr]   --> src/main.rs:25:5
Dec 13 06:59:23.335 INFO [stderr]    |
Dec 13 06:59:23.335 INFO [stderr] 25 |     fn eliminate(&mut self, i: u8) {
Dec 13 06:59:23.335 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 06:59:23.335 INFO [stderr] 
Dec 13 06:59:23.335 INFO [stderr] warning: method is never used: `val`
Dec 13 06:59:23.335 INFO [stderr]   --> src/main.rs:29:5
Dec 13 06:59:23.335 INFO [stderr]    |
Dec 13 06:59:23.335 INFO [stderr] 29 |     fn val(&self) -> u8 {
Dec 13 06:59:23.335 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 13 06:59:23.335 INFO [stderr] 
Dec 13 06:59:23.335 INFO [stderr] warning: struct is never constructed: `Sudoku`
Dec 13 06:59:23.335 INFO [stderr]   --> src/main.rs:34:1
Dec 13 06:59:23.335 INFO [stderr]    |
Dec 13 06:59:23.335 INFO [stderr] 34 | struct Sudoku {
Dec 13 06:59:23.335 INFO [stderr]    | ^^^^^^^^^^^^^
Dec 13 06:59:23.335 INFO [stderr] 
Dec 13 06:59:23.335 INFO [stderr] warning: method is never used: `assign`
Dec 13 06:59:23.335 INFO [stderr]   --> src/main.rs:41:5
Dec 13 06:59:23.335 INFO [stderr]    |
Dec 13 06:59:23.335 INFO [stderr] 41 |     fn assign(&mut self, grid: &[Vec<u8>], row: usize, col: usize, d: u8) -> bool {
Dec 13 06:59:23.335 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 06:59:23.336 INFO [stderr] 
Dec 13 06:59:23.336 INFO [stderr] warning: method is never used: `eliminate`
Dec 13 06:59:23.336 INFO [stderr]   --> src/main.rs:50:5
Dec 13 06:59:23.336 INFO [stderr]    |
Dec 13 06:59:23.336 INFO [stderr] 50 |     fn eliminate(&mut self, grid: &[Vec<u8>], row: usize, col: usize, d: u8) -> bool {
Dec 13 06:59:23.336 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 06:59:23.336 INFO [stderr] 
Dec 13 06:59:23.999 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
Dec 13 06:59:24.009 INFO [stderr] su: No module specific data is present
Dec 13 06:59:24.987 INFO running `"docker" "inspect" "fe37bff2849437cee6bea3dc457ba94f443e47065ab6035e642a98ce5ec50359"`
Dec 13 06:59:25.316 INFO running `"docker" "rm" "-f" "fe37bff2849437cee6bea3dc457ba94f443e47065ab6035e642a98ce5ec50359"`
Dec 13 06:59:25.559 INFO [stdout] fe37bff2849437cee6bea3dc457ba94f443e47065ab6035e642a98ce5ec50359
Dec 13 06:59:25.561 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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"`
Dec 13 06:59:26.127 INFO [stdout] 61fb8474e41fb8f183891cd5cbd285d59ba41614d0f4328806c865bf08a7f8a6
Dec 13 06:59:26.133 INFO running `"docker" "start" "-a" "61fb8474e41fb8f183891cd5cbd285d59ba41614d0f4328806c865bf08a7f8a6"`
Dec 13 06:59:27.706 INFO [stderr] usermod: no changes
Dec 13 06:59:27.787 INFO [stderr]    Compiling norvig v0.1.0 (/source)
Dec 13 06:59:28.389 INFO [stderr] warning: struct is never constructed: `Possible`
Dec 13 06:59:28.389 INFO [stderr]   --> src/main.rs:10:1
Dec 13 06:59:28.389 INFO [stderr]    |
Dec 13 06:59:28.389 INFO [stderr] 10 | struct Possible {
Dec 13 06:59:28.389 INFO [stderr]    | ^^^^^^^^^^^^^^^
Dec 13 06:59:28.389 INFO [stderr]    |
Dec 13 06:59:28.389 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 06:59:28.389 INFO [stderr] 
Dec 13 06:59:28.389 INFO [stderr] warning: method is never used: `is_on`
Dec 13 06:59:28.389 INFO [stderr]   --> src/main.rs:15:5
Dec 13 06:59:28.389 INFO [stderr]    |
Dec 13 06:59:28.389 INFO [stderr] 15 |     fn is_on(&self, i: u8) -> bool {
Dec 13 06:59:28.389 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 06:59:28.389 INFO [stderr] 
Dec 13 06:59:28.389 INFO [stderr] warning: method is never used: `count`
Dec 13 06:59:28.389 INFO [stderr]   --> src/main.rs:19:5
Dec 13 06:59:28.389 INFO [stderr]    |
Dec 13 06:59:28.389 INFO [stderr] 19 |     fn count(&self) -> u8 {
Dec 13 06:59:28.389 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 13 06:59:28.389 INFO [stderr] 
Dec 13 06:59:28.389 INFO [stderr] warning: method is never used: `eliminate`
Dec 13 06:59:28.389 INFO [stderr]   --> src/main.rs:25:5
Dec 13 06:59:28.389 INFO [stderr]    |
Dec 13 06:59:28.389 INFO [stderr] 25 |     fn eliminate(&mut self, i: u8) {
Dec 13 06:59:28.389 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 06:59:28.389 INFO [stderr] 
Dec 13 06:59:28.389 INFO [stderr] warning: method is never used: `val`
Dec 13 06:59:28.389 INFO [stderr]   --> src/main.rs:29:5
Dec 13 06:59:28.389 INFO [stderr]    |
Dec 13 06:59:28.389 INFO [stderr] 29 |     fn val(&self) -> u8 {
Dec 13 06:59:28.389 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 13 06:59:28.389 INFO [stderr] 
Dec 13 06:59:28.389 INFO [stderr] warning: struct is never constructed: `Sudoku`
Dec 13 06:59:28.389 INFO [stderr]   --> src/main.rs:34:1
Dec 13 06:59:28.389 INFO [stderr]    |
Dec 13 06:59:28.389 INFO [stderr] 34 | struct Sudoku {
Dec 13 06:59:28.389 INFO [stderr]    | ^^^^^^^^^^^^^
Dec 13 06:59:28.389 INFO [stderr] 
Dec 13 06:59:28.390 INFO [stderr] warning: method is never used: `assign`
Dec 13 06:59:28.391 INFO [stderr]   --> src/main.rs:41:5
Dec 13 06:59:28.391 INFO [stderr]    |
Dec 13 06:59:28.391 INFO [stderr] 41 |     fn assign(&mut self, grid: &[Vec<u8>], row: usize, col: usize, d: u8) -> bool {
Dec 13 06:59:28.391 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 06:59:28.392 INFO [stderr] 
Dec 13 06:59:28.392 INFO [stderr] warning: method is never used: `eliminate`
Dec 13 06:59:28.392 INFO [stderr]   --> src/main.rs:50:5
Dec 13 06:59:28.392 INFO [stderr]    |
Dec 13 06:59:28.392 INFO [stderr] 50 |     fn eliminate(&mut self, grid: &[Vec<u8>], row: usize, col: usize, d: u8) -> bool {
Dec 13 06:59:28.392 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 06:59:28.392 INFO [stderr] 
Dec 13 06:59:28.767 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
Dec 13 06:59:28.767 INFO [stderr] su: No module specific data is present
Dec 13 06:59:30.117 INFO running `"docker" "inspect" "61fb8474e41fb8f183891cd5cbd285d59ba41614d0f4328806c865bf08a7f8a6"`
Dec 13 06:59:30.397 INFO running `"docker" "rm" "-f" "61fb8474e41fb8f183891cd5cbd285d59ba41614d0f4328806c865bf08a7f8a6"`
Dec 13 06:59:30.729 INFO [stdout] 61fb8474e41fb8f183891cd5cbd285d59ba41614d0f4328806c865bf08a7f8a6
Dec 13 06:59:30.736 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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"`
Dec 13 06:59:31.174 INFO [stdout] 4943353580c5d8f81062dc2021c57f710af95dbbb55a7749aad856b6c372950e
Dec 13 06:59:31.179 INFO running `"docker" "start" "-a" "4943353580c5d8f81062dc2021c57f710af95dbbb55a7749aad856b6c372950e"`
Dec 13 06:59:32.411 INFO [stderr] usermod: no changes
Dec 13 06:59:32.458 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 13 06:59:32.479 INFO [stdout] 
Dec 13 06:59:32.479 INFO [stdout] running 0 tests
Dec 13 06:59:32.479 INFO [stdout] 
Dec 13 06:59:32.479 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 06:59:32.479 INFO [stdout] 
Dec 13 06:59:32.479 INFO [stderr]      Running /target/debug/deps/norvig-43076d4e17b69425
Dec 13 06:59:32.479 INFO [stderr] su: No module specific data is present
Dec 13 06:59:33.238 INFO running `"docker" "inspect" "4943353580c5d8f81062dc2021c57f710af95dbbb55a7749aad856b6c372950e"`
Dec 13 06:59:33.338 INFO running `"docker" "rm" "-f" "4943353580c5d8f81062dc2021c57f710af95dbbb55a7749aad856b6c372950e"`
Dec 13 06:59:33.468 INFO [stdout] 4943353580c5d8f81062dc2021c57f710af95dbbb55a7749aad856b6c372950e