Oct 12 15:29:48.627 INFO checking proudzhu/sudoku-norvig against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 15:29:48.628 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-1/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-1/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-alt check --frozen --all --all-targets" "-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"`
Oct 12 15:29:49.035 INFO blam! fb0629dce7180969db9235c8e6077007256bdacc9ca9df80c1a5155010999a6e
Oct 12 15:29:49.037 INFO running `"docker" "start" "-a" "fb0629dce7180969db9235c8e6077007256bdacc9ca9df80c1a5155010999a6e"`
Oct 12 15:29:51.087 INFO kablam! usermod: no changes
Oct 12 15:29:51.148 INFO kablam!     Checking norvig v0.1.0 (/source)
Oct 12 15:29:51.849 INFO kablam! warning: struct is never constructed: `Possible`
Oct 12 15:29:51.849 INFO kablam!   --> src/main.rs:10:1
Oct 12 15:29:51.849 INFO kablam!    |
Oct 12 15:29:51.849 INFO kablam! 10 | struct Possible {
Oct 12 15:29:51.849 INFO kablam!    | ^^^^^^^^^^^^^^^
Oct 12 15:29:51.849 INFO kablam!    |
Oct 12 15:29:51.850 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 15:29:51.850 INFO kablam! 
Oct 12 15:29:51.850 INFO kablam! warning: method is never used: `is_on`
Oct 12 15:29:51.850 INFO kablam!   --> src/main.rs:15:5
Oct 12 15:29:51.850 INFO kablam!    |
Oct 12 15:29:51.850 INFO kablam! 15 |     fn is_on(&self, i: u8) -> bool {
Oct 12 15:29:51.850 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:29:51.850 INFO kablam! 
Oct 12 15:29:51.850 INFO kablam! warning: method is never used: `count`
Oct 12 15:29:51.850 INFO kablam!   --> src/main.rs:19:5
Oct 12 15:29:51.850 INFO kablam!    |
Oct 12 15:29:51.850 INFO kablam! 19 |     fn count(&self) -> u8 {
Oct 12 15:29:51.850 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:29:51.850 INFO kablam! 
Oct 12 15:29:51.851 INFO kablam! warning: method is never used: `eliminate`
Oct 12 15:29:51.851 INFO kablam!   --> src/main.rs:25:5
Oct 12 15:29:51.851 INFO kablam!    |
Oct 12 15:29:51.851 INFO kablam! 25 |     fn eliminate(&mut self, i: u8) {
Oct 12 15:29:51.851 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:29:51.851 INFO kablam! 
Oct 12 15:29:51.851 INFO kablam! warning: method is never used: `val`
Oct 12 15:29:51.851 INFO kablam!   --> src/main.rs:29:5
Oct 12 15:29:51.851 INFO kablam!    |
Oct 12 15:29:51.851 INFO kablam! 29 |     fn val(&self) -> u8 {
Oct 12 15:29:51.851 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^
Oct 12 15:29:51.851 INFO kablam! 
Oct 12 15:29:51.851 INFO kablam! warning: struct is never constructed: `Sudoku`
Oct 12 15:29:51.851 INFO kablam!   --> src/main.rs:34:1
Oct 12 15:29:51.851 INFO kablam!    |
Oct 12 15:29:51.851 INFO kablam! 34 | struct Sudoku {
Oct 12 15:29:51.851 INFO kablam!    | ^^^^^^^^^^^^^
Oct 12 15:29:51.851 INFO kablam! 
Oct 12 15:29:51.851 INFO kablam! warning: method is never used: `assign`
Oct 12 15:29:51.851 INFO kablam!   --> src/main.rs:41:5
Oct 12 15:29:51.851 INFO kablam!    |
Oct 12 15:29:51.851 INFO kablam! 41 |     fn assign(&mut self, grid: &[Vec<u8>], row: usize, col: usize, d: u8) -> bool {
Oct 12 15:29:51.851 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:29:51.851 INFO kablam! 
Oct 12 15:29:51.851 INFO kablam! warning: method is never used: `eliminate`
Oct 12 15:29:51.851 INFO kablam!   --> src/main.rs:50:5
Oct 12 15:29:51.851 INFO kablam!    |
Oct 12 15:29:51.851 INFO kablam! 50 |     fn eliminate(&mut self, grid: &[Vec<u8>], row: usize, col: usize, d: u8) -> bool {
Oct 12 15:29:51.851 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:29:51.851 INFO kablam! 
Oct 12 15:29:52.028 INFO kablam! warning: struct is never constructed: `Possible`
Oct 12 15:29:52.028 INFO kablam!   --> src/main.rs:10:1
Oct 12 15:29:52.028 INFO kablam!    |
Oct 12 15:29:52.028 INFO kablam! 10 | struct Possible {
Oct 12 15:29:52.028 INFO kablam!    | ^^^^^^^^^^^^^^^
Oct 12 15:29:52.028 INFO kablam!    |
Oct 12 15:29:52.028 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 15:29:52.028 INFO kablam! 
Oct 12 15:29:52.028 INFO kablam! warning: method is never used: `is_on`
Oct 12 15:29:52.028 INFO kablam!   --> src/main.rs:15:5
Oct 12 15:29:52.028 INFO kablam!    |
Oct 12 15:29:52.028 INFO kablam! 15 |     fn is_on(&self, i: u8) -> bool {
Oct 12 15:29:52.028 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:29:52.028 INFO kablam! 
Oct 12 15:29:52.028 INFO kablam! warning: method is never used: `count`
Oct 12 15:29:52.028 INFO kablam!   --> src/main.rs:19:5
Oct 12 15:29:52.028 INFO kablam!    |
Oct 12 15:29:52.028 INFO kablam! 19 |     fn count(&self) -> u8 {
Oct 12 15:29:52.028 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:29:52.028 INFO kablam! 
Oct 12 15:29:52.028 INFO kablam! warning: method is never used: `eliminate`
Oct 12 15:29:52.028 INFO kablam!   --> src/main.rs:25:5
Oct 12 15:29:52.028 INFO kablam!    |
Oct 12 15:29:52.028 INFO kablam! 25 |     fn eliminate(&mut self, i: u8) {
Oct 12 15:29:52.032 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:29:52.032 INFO kablam! 
Oct 12 15:29:52.032 INFO kablam! warning: method is never used: `val`
Oct 12 15:29:52.032 INFO kablam!   --> src/main.rs:29:5
Oct 12 15:29:52.032 INFO kablam!    |
Oct 12 15:29:52.032 INFO kablam! 29 |     fn val(&self) -> u8 {
Oct 12 15:29:52.032 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^
Oct 12 15:29:52.032 INFO kablam! 
Oct 12 15:29:52.032 INFO kablam! warning: struct is never constructed: `Sudoku`
Oct 12 15:29:52.032 INFO kablam!   --> src/main.rs:34:1
Oct 12 15:29:52.032 INFO kablam!    |
Oct 12 15:29:52.032 INFO kablam! 34 | struct Sudoku {
Oct 12 15:29:52.032 INFO kablam!    | ^^^^^^^^^^^^^
Oct 12 15:29:52.032 INFO kablam! 
Oct 12 15:29:52.035 INFO kablam! warning: method is never used: `assign`
Oct 12 15:29:52.035 INFO kablam!   --> src/main.rs:41:5
Oct 12 15:29:52.035 INFO kablam!    |
Oct 12 15:29:52.035 INFO kablam! 41 |     fn assign(&mut self, grid: &[Vec<u8>], row: usize, col: usize, d: u8) -> bool {
Oct 12 15:29:52.035 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:29:52.040 INFO kablam! 
Oct 12 15:29:52.041 INFO kablam! warning: method is never used: `eliminate`
Oct 12 15:29:52.041 INFO kablam!   --> src/main.rs:50:5
Oct 12 15:29:52.041 INFO kablam!    |
Oct 12 15:29:52.041 INFO kablam! 50 |     fn eliminate(&mut self, grid: &[Vec<u8>], row: usize, col: usize, d: u8) -> bool {
Oct 12 15:29:52.041 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:29:52.041 INFO kablam! 
Oct 12 15:29:52.129 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
Oct 12 15:29:52.131 INFO kablam! su: No module specific data is present
Oct 12 15:29:53.681 INFO running `"docker" "rm" "-f" "fb0629dce7180969db9235c8e6077007256bdacc9ca9df80c1a5155010999a6e"`
Oct 12 15:29:53.940 INFO blam! fb0629dce7180969db9235c8e6077007256bdacc9ca9df80c1a5155010999a6e