Oct 12 15:29:54.032 INFO checking proudzhu/sudoku-norvig against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 12 15:29:54.033 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-1/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-1/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/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 +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-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 15:29:54.494 INFO blam! f8f36ffc501e5ee30eafa8881a84ecd607af6183db2beece2c62769a1414a04d
Oct 12 15:29:54.496 INFO running `"docker" "start" "-a" "f8f36ffc501e5ee30eafa8881a84ecd607af6183db2beece2c62769a1414a04d"`
Oct 12 15:29:57.108 INFO kablam! usermod: no changes
Oct 12 15:29:57.196 INFO kablam!     Checking norvig v0.1.0 (/source)
Oct 12 15:29:57.836 INFO kablam! warning: struct is never constructed: `Possible`
Oct 12 15:29:57.836 INFO kablam!   --> src/main.rs:10:1
Oct 12 15:29:57.836 INFO kablam!    |
Oct 12 15:29:57.836 INFO kablam! 10 | struct Possible {
Oct 12 15:29:57.836 INFO kablam!    | ^^^^^^^^^^^^^^^
Oct 12 15:29:57.836 INFO kablam!    |
Oct 12 15:29:57.836 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 15:29:57.836 INFO kablam! 
Oct 12 15:29:57.836 INFO kablam! warning: method is never used: `is_on`
Oct 12 15:29:57.836 INFO kablam!   --> src/main.rs:15:5
Oct 12 15:29:57.836 INFO kablam!    |
Oct 12 15:29:57.836 INFO kablam! 15 |     fn is_on(&self, i: u8) -> bool {
Oct 12 15:29:57.836 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:29:57.836 INFO kablam! 
Oct 12 15:29:57.836 INFO kablam! warning: method is never used: `count`
Oct 12 15:29:57.837 INFO kablam!   --> src/main.rs:19:5
Oct 12 15:29:57.837 INFO kablam!    |
Oct 12 15:29:57.837 INFO kablam! 19 |     fn count(&self) -> u8 {
Oct 12 15:29:57.837 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:29:57.837 INFO kablam! 
Oct 12 15:29:57.837 INFO kablam! warning: method is never used: `eliminate`
Oct 12 15:29:57.837 INFO kablam!   --> src/main.rs:25:5
Oct 12 15:29:57.837 INFO kablam!    |
Oct 12 15:29:57.837 INFO kablam! 25 |     fn eliminate(&mut self, i: u8) {
Oct 12 15:29:57.837 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:29:57.837 INFO kablam! 
Oct 12 15:29:57.837 INFO kablam! warning: method is never used: `val`
Oct 12 15:29:57.837 INFO kablam!   --> src/main.rs:29:5
Oct 12 15:29:57.837 INFO kablam!    |
Oct 12 15:29:57.837 INFO kablam! 29 |     fn val(&self) -> u8 {
Oct 12 15:29:57.837 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^
Oct 12 15:29:57.837 INFO kablam! 
Oct 12 15:29:57.837 INFO kablam! warning: struct is never constructed: `Sudoku`
Oct 12 15:29:57.837 INFO kablam!   --> src/main.rs:34:1
Oct 12 15:29:57.837 INFO kablam!    |
Oct 12 15:29:57.837 INFO kablam! 34 | struct Sudoku {
Oct 12 15:29:57.837 INFO kablam!    | ^^^^^^^^^^^^^
Oct 12 15:29:57.837 INFO kablam! 
Oct 12 15:29:57.837 INFO kablam! warning: method is never used: `assign`
Oct 12 15:29:57.837 INFO kablam!   --> src/main.rs:41:5
Oct 12 15:29:57.837 INFO kablam!    |
Oct 12 15:29:57.837 INFO kablam! 41 |     fn assign(&mut self, grid: &[Vec<u8>], row: usize, col: usize, d: u8) -> bool {
Oct 12 15:29:57.837 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:29:57.837 INFO kablam! 
Oct 12 15:29:57.837 INFO kablam! warning: method is never used: `eliminate`
Oct 12 15:29:57.837 INFO kablam!   --> src/main.rs:50:5
Oct 12 15:29:57.837 INFO kablam!    |
Oct 12 15:29:57.837 INFO kablam! 50 |     fn eliminate(&mut self, grid: &[Vec<u8>], row: usize, col: usize, d: u8) -> bool {
Oct 12 15:29:57.837 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:29:57.837 INFO kablam! 
Oct 12 15:29:57.996 INFO kablam! warning: struct is never constructed: `Possible`
Oct 12 15:29:57.996 INFO kablam!   --> src/main.rs:10:1
Oct 12 15:29:57.996 INFO kablam!    |
Oct 12 15:29:57.996 INFO kablam! 10 | struct Possible {
Oct 12 15:29:57.996 INFO kablam!    | ^^^^^^^^^^^^^^^
Oct 12 15:29:57.996 INFO kablam!    |
Oct 12 15:29:57.996 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 15:29:57.996 INFO kablam! 
Oct 12 15:29:57.996 INFO kablam! warning: method is never used: `is_on`
Oct 12 15:29:57.996 INFO kablam!   --> src/main.rs:15:5
Oct 12 15:29:57.997 INFO kablam!    |
Oct 12 15:29:57.997 INFO kablam! 15 |     fn is_on(&self, i: u8) -> bool {
Oct 12 15:29:57.997 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:29:57.997 INFO kablam! 
Oct 12 15:29:57.997 INFO kablam! warning: method is never used: `count`
Oct 12 15:29:57.997 INFO kablam!   --> src/main.rs:19:5
Oct 12 15:29:57.997 INFO kablam!    |
Oct 12 15:29:57.997 INFO kablam! 19 |     fn count(&self) -> u8 {
Oct 12 15:29:57.997 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:29:57.997 INFO kablam! 
Oct 12 15:29:57.997 INFO kablam! warning: method is never used: `eliminate`
Oct 12 15:29:57.997 INFO kablam!   --> src/main.rs:25:5
Oct 12 15:29:57.997 INFO kablam!    |
Oct 12 15:29:57.997 INFO kablam! 25 |     fn eliminate(&mut self, i: u8) {
Oct 12 15:29:57.997 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:29:57.997 INFO kablam! 
Oct 12 15:29:57.997 INFO kablam! warning: method is never used: `val`
Oct 12 15:29:57.997 INFO kablam!   --> src/main.rs:29:5
Oct 12 15:29:57.997 INFO kablam!    |
Oct 12 15:29:57.997 INFO kablam! 29 |     fn val(&self) -> u8 {
Oct 12 15:29:57.997 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^
Oct 12 15:29:57.997 INFO kablam! 
Oct 12 15:29:57.997 INFO kablam! warning: struct is never constructed: `Sudoku`
Oct 12 15:29:57.997 INFO kablam!   --> src/main.rs:34:1
Oct 12 15:29:57.997 INFO kablam!    |
Oct 12 15:29:57.997 INFO kablam! 34 | struct Sudoku {
Oct 12 15:29:57.997 INFO kablam!    | ^^^^^^^^^^^^^
Oct 12 15:29:57.997 INFO kablam! 
Oct 12 15:29:57.997 INFO kablam! warning: method is never used: `assign`
Oct 12 15:29:57.997 INFO kablam!   --> src/main.rs:41:5
Oct 12 15:29:57.997 INFO kablam!    |
Oct 12 15:29:57.997 INFO kablam! 41 |     fn assign(&mut self, grid: &[Vec<u8>], row: usize, col: usize, d: u8) -> bool {
Oct 12 15:29:57.997 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:29:57.997 INFO kablam! 
Oct 12 15:29:57.997 INFO kablam! warning: method is never used: `eliminate`
Oct 12 15:29:57.997 INFO kablam!   --> src/main.rs:50:5
Oct 12 15:29:57.997 INFO kablam!    |
Oct 12 15:29:57.997 INFO kablam! 50 |     fn eliminate(&mut self, grid: &[Vec<u8>], row: usize, col: usize, d: u8) -> bool {
Oct 12 15:29:57.997 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:29:57.997 INFO kablam! 
Oct 12 15:29:58.020 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
Oct 12 15:29:58.024 INFO kablam! su: No module specific data is present
Oct 12 15:29:58.925 INFO running `"docker" "rm" "-f" "f8f36ffc501e5ee30eafa8881a84ecd607af6183db2beece2c62769a1414a04d"`
Oct 12 15:29:59.272 INFO blam! f8f36ffc501e5ee30eafa8881a84ecd607af6183db2beece2c62769a1414a04d