Nov 01 13:05:31.709 INFO checking Anfauglith/sudoku against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Nov 01 13:05:31.709 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-7/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/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 +05812fa8c588473f03e3fa7cf59cd84f4f37c715-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"`
Nov 01 13:05:32.019 INFO blam! f6b8d46f68c55a23c0f235f239bbcaa415fde7188246c0747275c528ee75d1e3
Nov 01 13:05:32.029 INFO running `"docker" "start" "-a" "f6b8d46f68c55a23c0f235f239bbcaa415fde7188246c0747275c528ee75d1e3"`
Nov 01 13:05:33.078 INFO kablam! usermod: no changes
Nov 01 13:05:33.128 INFO kablam!     Checking sudoku v0.1.0 (/source)
Nov 01 13:05:33.880 INFO kablam! warning: constant item is never used: `CANDIDATE_MASK`
Nov 01 13:05:33.888 INFO kablam!  --> src/field.rs:2:1
Nov 01 13:05:33.888 INFO kablam!   |
Nov 01 13:05:33.888 INFO kablam! 2 | const CANDIDATE_MASK: u16 = 0b0000_0011_1111_1110; // 0x03FE
Nov 01 13:05:33.888 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 13:05:33.888 INFO kablam!   |
Nov 01 13:05:33.888 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 01 13:05:33.888 INFO kablam! 
Nov 01 13:05:33.888 INFO kablam! warning: struct is never constructed: `Field`
Nov 01 13:05:33.888 INFO kablam!  --> src/field.rs:4:1
Nov 01 13:05:33.888 INFO kablam!   |
Nov 01 13:05:33.888 INFO kablam! 4 | pub struct Field {
Nov 01 13:05:33.888 INFO kablam!   | ^^^^^^^^^^^^^^^^
Nov 01 13:05:33.888 INFO kablam! 
Nov 01 13:05:33.888 INFO kablam! warning: struct is never constructed: `Cell`
Nov 01 13:05:33.888 INFO kablam!  --> src/field.rs:8:1
Nov 01 13:05:33.888 INFO kablam!   |
Nov 01 13:05:33.888 INFO kablam! 8 | pub struct Cell {
Nov 01 13:05:33.888 INFO kablam!   | ^^^^^^^^^^^^^^^
Nov 01 13:05:33.888 INFO kablam! 
Nov 01 13:05:33.888 INFO kablam! warning: method is never used: `empty_cell`
Nov 01 13:05:33.888 INFO kablam!   --> src/field.rs:16:5
Nov 01 13:05:33.888 INFO kablam!    |
Nov 01 13:05:33.888 INFO kablam! 16 |     pub fn empty_cell() -> Cell {
Nov 01 13:05:33.888 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 13:05:33.888 INFO kablam! 
Nov 01 13:05:33.888 INFO kablam! warning: method is never used: `fixed_cell`
Nov 01 13:05:33.888 INFO kablam!   --> src/field.rs:24:5
Nov 01 13:05:33.888 INFO kablam!    |
Nov 01 13:05:33.888 INFO kablam! 24 |     pub fn fixed_cell(digit: u8) -> Cell {
Nov 01 13:05:33.888 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 13:05:33.888 INFO kablam! 
Nov 01 13:05:33.888 INFO kablam! warning: method is never used: `is_solved`
Nov 01 13:05:33.888 INFO kablam!   --> src/field.rs:32:5
Nov 01 13:05:33.888 INFO kablam!    |
Nov 01 13:05:33.888 INFO kablam! 32 |     pub fn is_solved(&self) -> bool {
Nov 01 13:05:33.888 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 13:05:33.888 INFO kablam! 
Nov 01 13:05:33.888 INFO kablam! warning: method is never used: `is_fixed`
Nov 01 13:05:33.888 INFO kablam!   --> src/field.rs:39:5
Nov 01 13:05:33.889 INFO kablam!    |
Nov 01 13:05:33.889 INFO kablam! 39 |     pub fn is_fixed(&self) -> bool {
Nov 01 13:05:33.889 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 13:05:33.889 INFO kablam! 
Nov 01 13:05:33.889 INFO kablam! warning: method is never used: `get_digit`
Nov 01 13:05:33.889 INFO kablam!   --> src/field.rs:43:5
Nov 01 13:05:33.889 INFO kablam!    |
Nov 01 13:05:33.889 INFO kablam! 43 |     pub fn get_digit(&self) -> Option<u8> {
Nov 01 13:05:33.889 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 13:05:33.889 INFO kablam! 
Nov 01 13:05:33.889 INFO kablam! warning: method is never used: `fix`
Nov 01 13:05:33.890 INFO kablam!   --> src/field.rs:47:5
Nov 01 13:05:33.890 INFO kablam!    |
Nov 01 13:05:33.890 INFO kablam! 47 |     fn fix(&mut self) -> bool {
Nov 01 13:05:33.890 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 13:05:33.890 INFO kablam! 
Nov 01 13:05:33.890 INFO kablam! warning: method is never used: `set_to`
Nov 01 13:05:33.890 INFO kablam!   --> src/field.rs:55:5
Nov 01 13:05:33.890 INFO kablam!    |
Nov 01 13:05:33.890 INFO kablam! 55 |     fn set_to(&mut self, digit: u8) -> bool {
Nov 01 13:05:33.890 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 13:05:33.890 INFO kablam! 
Nov 01 13:05:33.890 INFO kablam! warning: method is never used: `fix_to`
Nov 01 13:05:33.890 INFO kablam!   --> src/field.rs:66:5
Nov 01 13:05:33.890 INFO kablam!    |
Nov 01 13:05:33.890 INFO kablam! 66 |     pub fn fix_to(&mut self, digit: u8) -> bool {
Nov 01 13:05:33.890 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 13:05:33.890 INFO kablam! 
Nov 01 13:05:33.890 INFO kablam! warning: method is never used: `has_candidate`
Nov 01 13:05:33.890 INFO kablam!   --> src/field.rs:73:5
Nov 01 13:05:33.890 INFO kablam!    |
Nov 01 13:05:33.890 INFO kablam! 73 |     pub fn has_candidate(&self, candidate: u8) -> bool {
Nov 01 13:05:33.890 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 13:05:33.890 INFO kablam! 
Nov 01 13:05:33.890 INFO kablam! warning: method is never used: `get_candidates`
Nov 01 13:05:33.890 INFO kablam!   --> src/field.rs:77:5
Nov 01 13:05:33.890 INFO kablam!    |
Nov 01 13:05:33.890 INFO kablam! 77 |     pub fn get_candidates(&self) -> u16 {
Nov 01 13:05:33.890 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 13:05:33.890 INFO kablam! 
Nov 01 13:05:33.890 INFO kablam! warning: method is never used: `get_candidate_vector`
Nov 01 13:05:33.890 INFO kablam!   --> src/field.rs:81:5
Nov 01 13:05:33.890 INFO kablam!    |
Nov 01 13:05:33.890 INFO kablam! 81 |     pub fn get_candidate_vector(&self) -> Vec<u8> {
Nov 01 13:05:33.890 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 13:05:33.890 INFO kablam! 
Nov 01 13:05:33.890 INFO kablam! warning: method is never used: `remove_candidate`
Nov 01 13:05:33.890 INFO kablam!   --> src/field.rs:91:5
Nov 01 13:05:33.890 INFO kablam!    |
Nov 01 13:05:33.890 INFO kablam! 91 |     pub fn remove_candidate(&mut self, candidate: u8) {
Nov 01 13:05:33.890 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 13:05:33.890 INFO kablam! 
Nov 01 13:05:33.890 INFO kablam! warning: method is never used: `remove_candidates`
Nov 01 13:05:33.890 INFO kablam!   --> src/field.rs:96:5
Nov 01 13:05:33.890 INFO kablam!    |
Nov 01 13:05:33.890 INFO kablam! 96 |     pub fn remove_candidates(&mut self, candidates: Vec<u8>) {
Nov 01 13:05:33.890 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 13:05:33.890 INFO kablam! 
Nov 01 13:05:33.890 INFO kablam! warning: method is never used: `has_single_candidate`
Nov 01 13:05:33.890 INFO kablam!    --> src/field.rs:102:5
Nov 01 13:05:33.890 INFO kablam!     |
Nov 01 13:05:33.890 INFO kablam! 102 |     pub fn has_single_candidate(&self) -> bool {
Nov 01 13:05:33.890 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 13:05:33.890 INFO kablam! 
Nov 01 13:05:33.890 INFO kablam! warning: method is never used: `get_naked_single`
Nov 01 13:05:33.890 INFO kablam!    --> src/field.rs:106:5
Nov 01 13:05:33.890 INFO kablam!     |
Nov 01 13:05:33.890 INFO kablam! 106 |     pub fn get_naked_single(&self) -> Option<u8> {
Nov 01 13:05:33.890 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 13:05:33.890 INFO kablam! 
Nov 01 13:05:33.890 INFO kablam! warning: method is never used: `try_solve`
Nov 01 13:05:33.890 INFO kablam!    --> src/field.rs:119:5
Nov 01 13:05:33.890 INFO kablam!     |
Nov 01 13:05:33.890 INFO kablam! 119 |     pub fn try_solve(&mut self) -> bool {
Nov 01 13:05:33.890 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 13:05:33.891 INFO kablam! 
Nov 01 13:05:34.148 INFO kablam! warning: struct is never constructed: `Field`
Nov 01 13:05:34.148 INFO kablam!  --> src/field.rs:4:1
Nov 01 13:05:34.148 INFO kablam!   |
Nov 01 13:05:34.148 INFO kablam! 4 | pub struct Field {
Nov 01 13:05:34.148 INFO kablam!   | ^^^^^^^^^^^^^^^^
Nov 01 13:05:34.148 INFO kablam!   |
Nov 01 13:05:34.148 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 01 13:05:34.148 INFO kablam! 
Nov 01 13:05:34.148 INFO kablam! warning: method is never used: `is_solved`
Nov 01 13:05:34.148 INFO kablam!   --> src/field.rs:32:5
Nov 01 13:05:34.148 INFO kablam!    |
Nov 01 13:05:34.148 INFO kablam! 32 |     pub fn is_solved(&self) -> bool {
Nov 01 13:05:34.148 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 13:05:34.148 INFO kablam! 
Nov 01 13:05:34.180 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
Nov 01 13:05:34.212 INFO kablam! su: No module specific data is present
Nov 01 13:05:34.890 INFO running `"docker" "rm" "-f" "f6b8d46f68c55a23c0f235f239bbcaa415fde7188246c0747275c528ee75d1e3"`
Nov 01 13:05:35.228 INFO blam! f6b8d46f68c55a23c0f235f239bbcaa415fde7188246c0747275c528ee75d1e3