Dec 05 10:58:30.792 INFO testing proudzhu/sudoku-norvig against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 05 10:58:30.792 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-3/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 05 10:58:31.111 INFO [stdout] a3453113d1fa503457645f7f67fe47e0c7a45cca61d26dacd6559234b65a296f
Dec 05 10:58:31.118 INFO running `"docker" "start" "-a" "a3453113d1fa503457645f7f67fe47e0c7a45cca61d26dacd6559234b65a296f"`
Dec 05 10:58:31.714 INFO [stderr] usermod: no changes
Dec 05 10:58:31.761 INFO [stderr]    Compiling norvig v0.1.0 (/source)
Dec 05 10:58:32.070 INFO [stderr] warning: struct is never constructed: `Possible`
Dec 05 10:58:32.070 INFO [stderr]   --> src/main.rs:10:1
Dec 05 10:58:32.070 INFO [stderr]    |
Dec 05 10:58:32.070 INFO [stderr] 10 | struct Possible {
Dec 05 10:58:32.070 INFO [stderr]    | ^^^^^^^^^^^^^^^
Dec 05 10:58:32.070 INFO [stderr]    |
Dec 05 10:58:32.070 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 10:58:32.070 INFO [stderr] 
Dec 05 10:58:32.070 INFO [stderr] warning: method is never used: `is_on`
Dec 05 10:58:32.070 INFO [stderr]   --> src/main.rs:15:5
Dec 05 10:58:32.070 INFO [stderr]    |
Dec 05 10:58:32.070 INFO [stderr] 15 |     fn is_on(&self, i: u8) -> bool {
Dec 05 10:58:32.070 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 10:58:32.070 INFO [stderr] 
Dec 05 10:58:32.070 INFO [stderr] warning: method is never used: `count`
Dec 05 10:58:32.070 INFO [stderr]   --> src/main.rs:19:5
Dec 05 10:58:32.070 INFO [stderr]    |
Dec 05 10:58:32.070 INFO [stderr] 19 |     fn count(&self) -> u8 {
Dec 05 10:58:32.070 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 05 10:58:32.070 INFO [stderr] 
Dec 05 10:58:32.070 INFO [stderr] warning: method is never used: `eliminate`
Dec 05 10:58:32.070 INFO [stderr]   --> src/main.rs:25:5
Dec 05 10:58:32.070 INFO [stderr]    |
Dec 05 10:58:32.070 INFO [stderr] 25 |     fn eliminate(&mut self, i: u8) {
Dec 05 10:58:32.070 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 10:58:32.070 INFO [stderr] 
Dec 05 10:58:32.070 INFO [stderr] warning: method is never used: `val`
Dec 05 10:58:32.070 INFO [stderr]   --> src/main.rs:29:5
Dec 05 10:58:32.070 INFO [stderr]    |
Dec 05 10:58:32.070 INFO [stderr] 29 |     fn val(&self) -> u8 {
Dec 05 10:58:32.070 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 05 10:58:32.070 INFO [stderr] 
Dec 05 10:58:32.070 INFO [stderr] warning: struct is never constructed: `Sudoku`
Dec 05 10:58:32.070 INFO [stderr]   --> src/main.rs:34:1
Dec 05 10:58:32.070 INFO [stderr]    |
Dec 05 10:58:32.070 INFO [stderr] 34 | struct Sudoku {
Dec 05 10:58:32.070 INFO [stderr]    | ^^^^^^^^^^^^^
Dec 05 10:58:32.070 INFO [stderr] 
Dec 05 10:58:32.070 INFO [stderr] warning: method is never used: `assign`
Dec 05 10:58:32.070 INFO [stderr]   --> src/main.rs:41:5
Dec 05 10:58:32.070 INFO [stderr]    |
Dec 05 10:58:32.070 INFO [stderr] 41 |     fn assign(&mut self, grid: &[Vec<u8>], row: usize, col: usize, d: u8) -> bool {
Dec 05 10:58:32.070 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 10:58:32.070 INFO [stderr] 
Dec 05 10:58:32.070 INFO [stderr] warning: method is never used: `eliminate`
Dec 05 10:58:32.070 INFO [stderr]   --> src/main.rs:50:5
Dec 05 10:58:32.070 INFO [stderr]    |
Dec 05 10:58:32.070 INFO [stderr] 50 |     fn eliminate(&mut self, grid: &[Vec<u8>], row: usize, col: usize, d: u8) -> bool {
Dec 05 10:58:32.070 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 10:58:32.070 INFO [stderr] 
Dec 05 10:58:32.645 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
Dec 05 10:58:32.648 INFO [stderr] su: No module specific data is present
Dec 05 10:58:33.562 INFO running `"docker" "inspect" "a3453113d1fa503457645f7f67fe47e0c7a45cca61d26dacd6559234b65a296f"`
Dec 05 10:58:33.802 INFO running `"docker" "rm" "-f" "a3453113d1fa503457645f7f67fe47e0c7a45cca61d26dacd6559234b65a296f"`
Dec 05 10:58:34.076 INFO [stdout] a3453113d1fa503457645f7f67fe47e0c7a45cca61d26dacd6559234b65a296f
Dec 05 10:58:34.078 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-3/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 05 10:58:34.492 INFO [stdout] 95520dc47ff159cdc59c46f3b6d4e08f557faafe72d2151172975d7cc84887d5
Dec 05 10:58:34.494 INFO running `"docker" "start" "-a" "95520dc47ff159cdc59c46f3b6d4e08f557faafe72d2151172975d7cc84887d5"`
Dec 05 10:58:35.621 INFO [stderr] usermod: no changes
Dec 05 10:58:35.680 INFO [stderr]    Compiling norvig v0.1.0 (/source)
Dec 05 10:58:36.156 INFO [stderr] warning: struct is never constructed: `Possible`
Dec 05 10:58:36.156 INFO [stderr]   --> src/main.rs:10:1
Dec 05 10:58:36.156 INFO [stderr]    |
Dec 05 10:58:36.156 INFO [stderr] 10 | struct Possible {
Dec 05 10:58:36.156 INFO [stderr]    | ^^^^^^^^^^^^^^^
Dec 05 10:58:36.156 INFO [stderr]    |
Dec 05 10:58:36.156 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 10:58:36.156 INFO [stderr] 
Dec 05 10:58:36.156 INFO [stderr] warning: method is never used: `is_on`
Dec 05 10:58:36.156 INFO [stderr]   --> src/main.rs:15:5
Dec 05 10:58:36.156 INFO [stderr]    |
Dec 05 10:58:36.157 INFO [stderr] 15 |     fn is_on(&self, i: u8) -> bool {
Dec 05 10:58:36.157 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 10:58:36.157 INFO [stderr] 
Dec 05 10:58:36.157 INFO [stderr] warning: method is never used: `count`
Dec 05 10:58:36.157 INFO [stderr]   --> src/main.rs:19:5
Dec 05 10:58:36.157 INFO [stderr]    |
Dec 05 10:58:36.157 INFO [stderr] 19 |     fn count(&self) -> u8 {
Dec 05 10:58:36.157 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 05 10:58:36.157 INFO [stderr] 
Dec 05 10:58:36.157 INFO [stderr] warning: method is never used: `eliminate`
Dec 05 10:58:36.157 INFO [stderr]   --> src/main.rs:25:5
Dec 05 10:58:36.157 INFO [stderr]    |
Dec 05 10:58:36.157 INFO [stderr] 25 |     fn eliminate(&mut self, i: u8) {
Dec 05 10:58:36.157 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 10:58:36.157 INFO [stderr] 
Dec 05 10:58:36.157 INFO [stderr] warning: method is never used: `val`
Dec 05 10:58:36.157 INFO [stderr]   --> src/main.rs:29:5
Dec 05 10:58:36.157 INFO [stderr]    |
Dec 05 10:58:36.157 INFO [stderr] 29 |     fn val(&self) -> u8 {
Dec 05 10:58:36.157 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 05 10:58:36.157 INFO [stderr] 
Dec 05 10:58:36.157 INFO [stderr] warning: struct is never constructed: `Sudoku`
Dec 05 10:58:36.157 INFO [stderr]   --> src/main.rs:34:1
Dec 05 10:58:36.157 INFO [stderr]    |
Dec 05 10:58:36.157 INFO [stderr] 34 | struct Sudoku {
Dec 05 10:58:36.157 INFO [stderr]    | ^^^^^^^^^^^^^
Dec 05 10:58:36.157 INFO [stderr] 
Dec 05 10:58:36.157 INFO [stderr] warning: method is never used: `assign`
Dec 05 10:58:36.157 INFO [stderr]   --> src/main.rs:41:5
Dec 05 10:58:36.157 INFO [stderr]    |
Dec 05 10:58:36.157 INFO [stderr] 41 |     fn assign(&mut self, grid: &[Vec<u8>], row: usize, col: usize, d: u8) -> bool {
Dec 05 10:58:36.157 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 10:58:36.157 INFO [stderr] 
Dec 05 10:58:36.157 INFO [stderr] warning: method is never used: `eliminate`
Dec 05 10:58:36.157 INFO [stderr]   --> src/main.rs:50:5
Dec 05 10:58:36.157 INFO [stderr]    |
Dec 05 10:58:36.157 INFO [stderr] 50 |     fn eliminate(&mut self, grid: &[Vec<u8>], row: usize, col: usize, d: u8) -> bool {
Dec 05 10:58:36.157 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 10:58:36.157 INFO [stderr] 
Dec 05 10:58:36.569 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
Dec 05 10:58:36.571 INFO [stderr] su: No module specific data is present
Dec 05 10:58:37.520 INFO running `"docker" "inspect" "95520dc47ff159cdc59c46f3b6d4e08f557faafe72d2151172975d7cc84887d5"`
Dec 05 10:58:37.838 INFO running `"docker" "rm" "-f" "95520dc47ff159cdc59c46f3b6d4e08f557faafe72d2151172975d7cc84887d5"`
Dec 05 10:58:38.196 INFO [stdout] 95520dc47ff159cdc59c46f3b6d4e08f557faafe72d2151172975d7cc84887d5
Dec 05 10:58:38.202 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-3/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 05 10:58:38.739 INFO [stdout] daacf53738e4894a07f089453bd00bc7afc28c67898e512c6633206b324bc4de
Dec 05 10:58:38.746 INFO running `"docker" "start" "-a" "daacf53738e4894a07f089453bd00bc7afc28c67898e512c6633206b324bc4de"`
Dec 05 10:58:39.613 INFO [stderr] usermod: no changes
Dec 05 10:58:39.637 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 05 10:58:39.638 INFO [stderr]      Running /target/debug/deps/norvig-b337bb5ae9da4e51
Dec 05 10:58:39.647 INFO [stderr] su: No module specific data is present
Dec 05 10:58:39.647 INFO [stdout] 
Dec 05 10:58:39.647 INFO [stdout] running 0 tests
Dec 05 10:58:39.647 INFO [stdout] 
Dec 05 10:58:39.647 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 10:58:39.647 INFO [stdout] 
Dec 05 10:58:40.230 INFO running `"docker" "inspect" "daacf53738e4894a07f089453bd00bc7afc28c67898e512c6633206b324bc4de"`
Dec 05 10:58:40.442 INFO running `"docker" "rm" "-f" "daacf53738e4894a07f089453bd00bc7afc28c67898e512c6633206b324bc4de"`
Dec 05 10:58:40.587 INFO [stdout] daacf53738e4894a07f089453bd00bc7afc28c67898e512c6633206b324bc4de