Nov 16 16:31:37.322 INFO testing proudzhu/sudoku-norvig against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 16 16:31:37.324 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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 16:31:37.876 INFO [stdout] 7f76254360c3401ed4bc8b71f81f353614a2eb18e43719b22dd737cbf90b6b29
Nov 16 16:31:37.883 INFO running `"docker" "start" "-a" "7f76254360c3401ed4bc8b71f81f353614a2eb18e43719b22dd737cbf90b6b29"`
Nov 16 16:31:39.175 INFO [stderr] usermod: no changes
Nov 16 16:31:39.251 INFO [stderr]    Compiling norvig v0.1.0 (/source)
Nov 16 16:31:39.623 INFO [stderr] warning: struct is never constructed: `Possible`
Nov 16 16:31:39.623 INFO [stderr]   --> src/main.rs:10:1
Nov 16 16:31:39.624 INFO [stderr]    |
Nov 16 16:31:39.624 INFO [stderr] 10 | struct Possible {
Nov 16 16:31:39.624 INFO [stderr]    | ^^^^^^^^^^^^^^^
Nov 16 16:31:39.625 INFO [stderr]    |
Nov 16 16:31:39.625 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 16 16:31:39.625 INFO [stderr] 
Nov 16 16:31:39.625 INFO [stderr] warning: method is never used: `is_on`
Nov 16 16:31:39.626 INFO [stderr]   --> src/main.rs:15:5
Nov 16 16:31:39.626 INFO [stderr]    |
Nov 16 16:31:39.626 INFO [stderr] 15 |     fn is_on(&self, i: u8) -> bool {
Nov 16 16:31:39.626 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 16:31:39.627 INFO [stderr] 
Nov 16 16:31:39.627 INFO [stderr] warning: method is never used: `count`
Nov 16 16:31:39.627 INFO [stderr]   --> src/main.rs:19:5
Nov 16 16:31:39.628 INFO [stderr]    |
Nov 16 16:31:39.628 INFO [stderr] 19 |     fn count(&self) -> u8 {
Nov 16 16:31:39.628 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 16 16:31:39.629 INFO [stderr] 
Nov 16 16:31:39.629 INFO [stderr] warning: method is never used: `eliminate`
Nov 16 16:31:39.629 INFO [stderr]   --> src/main.rs:25:5
Nov 16 16:31:39.629 INFO [stderr]    |
Nov 16 16:31:39.630 INFO [stderr] 25 |     fn eliminate(&mut self, i: u8) {
Nov 16 16:31:39.630 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 16:31:39.630 INFO [stderr] 
Nov 16 16:31:39.631 INFO [stderr] warning: method is never used: `val`
Nov 16 16:31:39.631 INFO [stderr]   --> src/main.rs:29:5
Nov 16 16:31:39.631 INFO [stderr]    |
Nov 16 16:31:39.631 INFO [stderr] 29 |     fn val(&self) -> u8 {
Nov 16 16:31:39.632 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Nov 16 16:31:39.632 INFO [stderr] 
Nov 16 16:31:39.632 INFO [stderr] warning: struct is never constructed: `Sudoku`
Nov 16 16:31:39.632 INFO [stderr]   --> src/main.rs:34:1
Nov 16 16:31:39.633 INFO [stderr]    |
Nov 16 16:31:39.633 INFO [stderr] 34 | struct Sudoku {
Nov 16 16:31:39.633 INFO [stderr]    | ^^^^^^^^^^^^^
Nov 16 16:31:39.634 INFO [stderr] 
Nov 16 16:31:39.634 INFO [stderr] warning: method is never used: `assign`
Nov 16 16:31:39.634 INFO [stderr]   --> src/main.rs:41:5
Nov 16 16:31:39.634 INFO [stderr]    |
Nov 16 16:31:39.635 INFO [stderr] 41 |     fn assign(&mut self, grid: &[Vec<u8>], row: usize, col: usize, d: u8) -> bool {
Nov 16 16:31:39.635 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 16:31:39.635 INFO [stderr] 
Nov 16 16:31:39.636 INFO [stderr] warning: method is never used: `eliminate`
Nov 16 16:31:39.636 INFO [stderr]   --> src/main.rs:50:5
Nov 16 16:31:39.636 INFO [stderr]    |
Nov 16 16:31:39.636 INFO [stderr] 50 |     fn eliminate(&mut self, grid: &[Vec<u8>], row: usize, col: usize, d: u8) -> bool {
Nov 16 16:31:39.637 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 16:31:39.637 INFO [stderr] 
Nov 16 16:31:40.226 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
Nov 16 16:31:40.234 INFO [stderr] su: No module specific data is present
Nov 16 16:31:41.052 INFO running `"docker" "inspect" "7f76254360c3401ed4bc8b71f81f353614a2eb18e43719b22dd737cbf90b6b29"`
Nov 16 16:31:41.413 INFO running `"docker" "rm" "-f" "7f76254360c3401ed4bc8b71f81f353614a2eb18e43719b22dd737cbf90b6b29"`
Nov 16 16:31:41.655 INFO [stdout] 7f76254360c3401ed4bc8b71f81f353614a2eb18e43719b22dd737cbf90b6b29
Nov 16 16:31:41.658 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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 16:31:42.188 INFO [stdout] 5531a3a97286074328a11b86d1adeb3efb1402671f699da22dbee6148f6c40a1
Nov 16 16:31:42.191 INFO running `"docker" "start" "-a" "5531a3a97286074328a11b86d1adeb3efb1402671f699da22dbee6148f6c40a1"`
Nov 16 16:31:43.667 INFO [stderr] usermod: no changes
Nov 16 16:31:43.747 INFO [stderr]    Compiling norvig v0.1.0 (/source)
Nov 16 16:31:44.155 INFO [stderr] warning: struct is never constructed: `Possible`
Nov 16 16:31:44.155 INFO [stderr]   --> src/main.rs:10:1
Nov 16 16:31:44.156 INFO [stderr]    |
Nov 16 16:31:44.156 INFO [stderr] 10 | struct Possible {
Nov 16 16:31:44.156 INFO [stderr]    | ^^^^^^^^^^^^^^^
Nov 16 16:31:44.156 INFO [stderr]    |
Nov 16 16:31:44.157 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 16 16:31:44.157 INFO [stderr] 
Nov 16 16:31:44.157 INFO [stderr] warning: method is never used: `is_on`
Nov 16 16:31:44.157 INFO [stderr]   --> src/main.rs:15:5
Nov 16 16:31:44.157 INFO [stderr]    |
Nov 16 16:31:44.158 INFO [stderr] 15 |     fn is_on(&self, i: u8) -> bool {
Nov 16 16:31:44.158 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 16:31:44.158 INFO [stderr] 
Nov 16 16:31:44.159 INFO [stderr] warning: method is never used: `count`
Nov 16 16:31:44.159 INFO [stderr]   --> src/main.rs:19:5
Nov 16 16:31:44.159 INFO [stderr]    |
Nov 16 16:31:44.159 INFO [stderr] 19 |     fn count(&self) -> u8 {
Nov 16 16:31:44.160 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 16 16:31:44.160 INFO [stderr] 
Nov 16 16:31:44.160 INFO [stderr] warning: method is never used: `eliminate`
Nov 16 16:31:44.160 INFO [stderr]   --> src/main.rs:25:5
Nov 16 16:31:44.161 INFO [stderr]    |
Nov 16 16:31:44.161 INFO [stderr] 25 |     fn eliminate(&mut self, i: u8) {
Nov 16 16:31:44.161 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 16:31:44.161 INFO [stderr] 
Nov 16 16:31:44.161 INFO [stderr] warning: method is never used: `val`
Nov 16 16:31:44.162 INFO [stderr]   --> src/main.rs:29:5
Nov 16 16:31:44.162 INFO [stderr]    |
Nov 16 16:31:44.162 INFO [stderr] 29 |     fn val(&self) -> u8 {
Nov 16 16:31:44.162 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Nov 16 16:31:44.163 INFO [stderr] 
Nov 16 16:31:44.163 INFO [stderr] warning: struct is never constructed: `Sudoku`
Nov 16 16:31:44.163 INFO [stderr]   --> src/main.rs:34:1
Nov 16 16:31:44.163 INFO [stderr]    |
Nov 16 16:31:44.164 INFO [stderr] 34 | struct Sudoku {
Nov 16 16:31:44.164 INFO [stderr]    | ^^^^^^^^^^^^^
Nov 16 16:31:44.164 INFO [stderr] 
Nov 16 16:31:44.164 INFO [stderr] warning: method is never used: `assign`
Nov 16 16:31:44.165 INFO [stderr]   --> src/main.rs:41:5
Nov 16 16:31:44.165 INFO [stderr]    |
Nov 16 16:31:44.165 INFO [stderr] 41 |     fn assign(&mut self, grid: &[Vec<u8>], row: usize, col: usize, d: u8) -> bool {
Nov 16 16:31:44.165 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 16:31:44.166 INFO [stderr] 
Nov 16 16:31:44.166 INFO [stderr] warning: method is never used: `eliminate`
Nov 16 16:31:44.166 INFO [stderr]   --> src/main.rs:50:5
Nov 16 16:31:44.166 INFO [stderr]    |
Nov 16 16:31:44.167 INFO [stderr] 50 |     fn eliminate(&mut self, grid: &[Vec<u8>], row: usize, col: usize, d: u8) -> bool {
Nov 16 16:31:44.167 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 16:31:44.167 INFO [stderr] 
Nov 16 16:31:44.554 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
Nov 16 16:31:44.556 INFO [stderr] su: No module specific data is present
Nov 16 16:31:45.752 INFO running `"docker" "inspect" "5531a3a97286074328a11b86d1adeb3efb1402671f699da22dbee6148f6c40a1"`
Nov 16 16:31:46.047 INFO running `"docker" "rm" "-f" "5531a3a97286074328a11b86d1adeb3efb1402671f699da22dbee6148f6c40a1"`
Nov 16 16:31:46.425 INFO [stdout] 5531a3a97286074328a11b86d1adeb3efb1402671f699da22dbee6148f6c40a1
Nov 16 16:31:46.431 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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 16:31:46.940 INFO [stdout] f17b2c57c12e0b6b6b7b4aa0b542d6737be744cf2c78d238fa9d0bdb6ee76038
Nov 16 16:31:46.943 INFO running `"docker" "start" "-a" "f17b2c57c12e0b6b6b7b4aa0b542d6737be744cf2c78d238fa9d0bdb6ee76038"`
Nov 16 16:31:48.751 INFO [stderr] usermod: no changes
Nov 16 16:31:48.819 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
Nov 16 16:31:48.827 INFO [stderr]      Running /target/debug/deps/norvig-8e1e233155cb9390
Nov 16 16:31:48.835 INFO [stdout] 
Nov 16 16:31:48.835 INFO [stdout] running 0 tests
Nov 16 16:31:48.835 INFO [stdout] 
Nov 16 16:31:48.835 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 16:31:48.835 INFO [stdout] 
Nov 16 16:31:48.836 INFO [stderr] su: No module specific data is present
Nov 16 16:31:49.965 INFO running `"docker" "inspect" "f17b2c57c12e0b6b6b7b4aa0b542d6737be744cf2c78d238fa9d0bdb6ee76038"`
Nov 16 16:31:50.323 INFO running `"docker" "rm" "-f" "f17b2c57c12e0b6b6b7b4aa0b542d6737be744cf2c78d238fa9d0bdb6ee76038"`
Nov 16 16:31:50.699 INFO [stdout] f17b2c57c12e0b6b6b7b4aa0b542d6737be744cf2c78d238fa9d0bdb6ee76038