Dec 14 12:14:55.029 INFO testing Anfauglith/sudoku against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 12:14:55.029 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 14 12:14:55.511 INFO [stdout] 6a196d2fc53e02c156a68d374e6811349b9616644c6838ffba2519443a7a6278
Dec 14 12:14:55.513 INFO running `"docker" "start" "-a" "6a196d2fc53e02c156a68d374e6811349b9616644c6838ffba2519443a7a6278"`
Dec 14 12:14:57.291 INFO [stderr] usermod: no changes
Dec 14 12:14:57.380 INFO [stderr]    Compiling sudoku v0.1.0 (/source)
Dec 14 12:14:58.029 INFO [stderr] warning: constant item is never used: `CANDIDATE_MASK`
Dec 14 12:14:58.029 INFO [stderr]  --> src/field.rs:2:1
Dec 14 12:14:58.029 INFO [stderr]   |
Dec 14 12:14:58.029 INFO [stderr] 2 | const CANDIDATE_MASK: u16 = 0b0000_0011_1111_1110; // 0x03FE
Dec 14 12:14:58.029 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:14:58.029 INFO [stderr]   |
Dec 14 12:14:58.029 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 14 12:14:58.029 INFO [stderr] 
Dec 14 12:14:58.030 INFO [stderr] warning: struct is never constructed: `Field`
Dec 14 12:14:58.030 INFO [stderr]  --> src/field.rs:4:1
Dec 14 12:14:58.030 INFO [stderr]   |
Dec 14 12:14:58.030 INFO [stderr] 4 | pub struct Field {
Dec 14 12:14:58.030 INFO [stderr]   | ^^^^^^^^^^^^^^^^
Dec 14 12:14:58.030 INFO [stderr] 
Dec 14 12:14:58.030 INFO [stderr] warning: struct is never constructed: `Cell`
Dec 14 12:14:58.030 INFO [stderr]  --> src/field.rs:8:1
Dec 14 12:14:58.030 INFO [stderr]   |
Dec 14 12:14:58.030 INFO [stderr] 8 | pub struct Cell {
Dec 14 12:14:58.030 INFO [stderr]   | ^^^^^^^^^^^^^^^
Dec 14 12:14:58.030 INFO [stderr] 
Dec 14 12:14:58.030 INFO [stderr] warning: method is never used: `empty_cell`
Dec 14 12:14:58.030 INFO [stderr]   --> src/field.rs:16:5
Dec 14 12:14:58.030 INFO [stderr]    |
Dec 14 12:14:58.030 INFO [stderr] 16 |     pub fn empty_cell() -> Cell {
Dec 14 12:14:58.030 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:14:58.030 INFO [stderr] 
Dec 14 12:14:58.030 INFO [stderr] warning: method is never used: `fixed_cell`
Dec 14 12:14:58.030 INFO [stderr]   --> src/field.rs:24:5
Dec 14 12:14:58.030 INFO [stderr]    |
Dec 14 12:14:58.030 INFO [stderr] 24 |     pub fn fixed_cell(digit: u8) -> Cell {
Dec 14 12:14:58.030 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:14:58.030 INFO [stderr] 
Dec 14 12:14:58.030 INFO [stderr] warning: method is never used: `is_solved`
Dec 14 12:14:58.030 INFO [stderr]   --> src/field.rs:32:5
Dec 14 12:14:58.030 INFO [stderr]    |
Dec 14 12:14:58.030 INFO [stderr] 32 |     pub fn is_solved(&self) -> bool {
Dec 14 12:14:58.030 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:14:58.030 INFO [stderr] 
Dec 14 12:14:58.030 INFO [stderr] warning: method is never used: `is_fixed`
Dec 14 12:14:58.030 INFO [stderr]   --> src/field.rs:39:5
Dec 14 12:14:58.030 INFO [stderr]    |
Dec 14 12:14:58.030 INFO [stderr] 39 |     pub fn is_fixed(&self) -> bool {
Dec 14 12:14:58.030 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:14:58.030 INFO [stderr] 
Dec 14 12:14:58.030 INFO [stderr] warning: method is never used: `get_digit`
Dec 14 12:14:58.030 INFO [stderr]   --> src/field.rs:43:5
Dec 14 12:14:58.030 INFO [stderr]    |
Dec 14 12:14:58.030 INFO [stderr] 43 |     pub fn get_digit(&self) -> Option<u8> {
Dec 14 12:14:58.030 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:14:58.030 INFO [stderr] 
Dec 14 12:14:58.030 INFO [stderr] warning: method is never used: `fix`
Dec 14 12:14:58.030 INFO [stderr]   --> src/field.rs:47:5
Dec 14 12:14:58.030 INFO [stderr]    |
Dec 14 12:14:58.030 INFO [stderr] 47 |     fn fix(&mut self) -> bool {
Dec 14 12:14:58.030 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:14:58.030 INFO [stderr] 
Dec 14 12:14:58.030 INFO [stderr] warning: method is never used: `set_to`
Dec 14 12:14:58.030 INFO [stderr]   --> src/field.rs:55:5
Dec 14 12:14:58.030 INFO [stderr]    |
Dec 14 12:14:58.030 INFO [stderr] 55 |     fn set_to(&mut self, digit: u8) -> bool {
Dec 14 12:14:58.030 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:14:58.030 INFO [stderr] 
Dec 14 12:14:58.030 INFO [stderr] warning: method is never used: `fix_to`
Dec 14 12:14:58.030 INFO [stderr]   --> src/field.rs:66:5
Dec 14 12:14:58.030 INFO [stderr]    |
Dec 14 12:14:58.030 INFO [stderr] 66 |     pub fn fix_to(&mut self, digit: u8) -> bool {
Dec 14 12:14:58.030 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:14:58.030 INFO [stderr] 
Dec 14 12:14:58.030 INFO [stderr] warning: method is never used: `has_candidate`
Dec 14 12:14:58.030 INFO [stderr]   --> src/field.rs:73:5
Dec 14 12:14:58.030 INFO [stderr]    |
Dec 14 12:14:58.030 INFO [stderr] 73 |     pub fn has_candidate(&self, candidate: u8) -> bool {
Dec 14 12:14:58.030 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:14:58.030 INFO [stderr] 
Dec 14 12:14:58.031 INFO [stderr] warning: method is never used: `get_candidates`
Dec 14 12:14:58.031 INFO [stderr]   --> src/field.rs:77:5
Dec 14 12:14:58.031 INFO [stderr]    |
Dec 14 12:14:58.031 INFO [stderr] 77 |     pub fn get_candidates(&self) -> u16 {
Dec 14 12:14:58.031 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:14:58.031 INFO [stderr] 
Dec 14 12:14:58.031 INFO [stderr] warning: method is never used: `get_candidate_vector`
Dec 14 12:14:58.031 INFO [stderr]   --> src/field.rs:81:5
Dec 14 12:14:58.031 INFO [stderr]    |
Dec 14 12:14:58.031 INFO [stderr] 81 |     pub fn get_candidate_vector(&self) -> Vec<u8> {
Dec 14 12:14:58.031 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:14:58.031 INFO [stderr] 
Dec 14 12:14:58.031 INFO [stderr] warning: method is never used: `remove_candidate`
Dec 14 12:14:58.031 INFO [stderr]   --> src/field.rs:91:5
Dec 14 12:14:58.031 INFO [stderr]    |
Dec 14 12:14:58.031 INFO [stderr] 91 |     pub fn remove_candidate(&mut self, candidate: u8) {
Dec 14 12:14:58.031 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:14:58.031 INFO [stderr] 
Dec 14 12:14:58.031 INFO [stderr] warning: method is never used: `remove_candidates`
Dec 14 12:14:58.031 INFO [stderr]   --> src/field.rs:96:5
Dec 14 12:14:58.031 INFO [stderr]    |
Dec 14 12:14:58.031 INFO [stderr] 96 |     pub fn remove_candidates(&mut self, candidates: Vec<u8>) {
Dec 14 12:14:58.031 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:14:58.031 INFO [stderr] 
Dec 14 12:14:58.031 INFO [stderr] warning: method is never used: `has_single_candidate`
Dec 14 12:14:58.031 INFO [stderr]    --> src/field.rs:102:5
Dec 14 12:14:58.031 INFO [stderr]     |
Dec 14 12:14:58.031 INFO [stderr] 102 |     pub fn has_single_candidate(&self) -> bool {
Dec 14 12:14:58.031 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:14:58.031 INFO [stderr] 
Dec 14 12:14:58.031 INFO [stderr] warning: method is never used: `get_naked_single`
Dec 14 12:14:58.031 INFO [stderr]    --> src/field.rs:106:5
Dec 14 12:14:58.031 INFO [stderr]     |
Dec 14 12:14:58.031 INFO [stderr] 106 |     pub fn get_naked_single(&self) -> Option<u8> {
Dec 14 12:14:58.031 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:14:58.031 INFO [stderr] 
Dec 14 12:14:58.031 INFO [stderr] warning: method is never used: `try_solve`
Dec 14 12:14:58.031 INFO [stderr]    --> src/field.rs:119:5
Dec 14 12:14:58.031 INFO [stderr]     |
Dec 14 12:14:58.031 INFO [stderr] 119 |     pub fn try_solve(&mut self) -> bool {
Dec 14 12:14:58.031 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:14:58.031 INFO [stderr] 
Dec 14 12:14:58.407 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
Dec 14 12:14:58.407 INFO [stderr] su: No module specific data is present
Dec 14 12:14:59.413 INFO running `"docker" "inspect" "6a196d2fc53e02c156a68d374e6811349b9616644c6838ffba2519443a7a6278"`
Dec 14 12:14:59.837 INFO running `"docker" "rm" "-f" "6a196d2fc53e02c156a68d374e6811349b9616644c6838ffba2519443a7a6278"`
Dec 14 12:15:00.207 INFO [stdout] 6a196d2fc53e02c156a68d374e6811349b9616644c6838ffba2519443a7a6278
Dec 14 12:15:00.217 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 14 12:15:00.736 INFO [stdout] 49d37e8a370bf6e2c549d83773947a962e76c81b67d5e46b35734aef8a8a6e18
Dec 14 12:15:00.738 INFO running `"docker" "start" "-a" "49d37e8a370bf6e2c549d83773947a962e76c81b67d5e46b35734aef8a8a6e18"`
Dec 14 12:15:03.003 INFO [stderr] usermod: no changes
Dec 14 12:15:03.055 INFO [stderr]    Compiling sudoku v0.1.0 (/source)
Dec 14 12:15:03.883 INFO [stderr] warning: struct is never constructed: `Field`
Dec 14 12:15:03.883 INFO [stderr]  --> src/field.rs:4:1
Dec 14 12:15:03.883 INFO [stderr]   |
Dec 14 12:15:03.883 INFO [stderr] 4 | pub struct Field {
Dec 14 12:15:03.883 INFO [stderr]   | ^^^^^^^^^^^^^^^^
Dec 14 12:15:03.883 INFO [stderr]   |
Dec 14 12:15:03.883 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 14 12:15:03.883 INFO [stderr] 
Dec 14 12:15:03.883 INFO [stderr] warning: method is never used: `is_solved`
Dec 14 12:15:03.883 INFO [stderr]   --> src/field.rs:32:5
Dec 14 12:15:03.883 INFO [stderr]    |
Dec 14 12:15:03.883 INFO [stderr] 32 |     pub fn is_solved(&self) -> bool {
Dec 14 12:15:03.883 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:15:03.883 INFO [stderr] 
Dec 14 12:15:04.555 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
Dec 14 12:15:04.558 INFO [stderr] su: No module specific data is present
Dec 14 12:15:06.166 INFO running `"docker" "inspect" "49d37e8a370bf6e2c549d83773947a962e76c81b67d5e46b35734aef8a8a6e18"`
Dec 14 12:15:06.523 INFO running `"docker" "rm" "-f" "49d37e8a370bf6e2c549d83773947a962e76c81b67d5e46b35734aef8a8a6e18"`
Dec 14 12:15:06.859 INFO [stdout] 49d37e8a370bf6e2c549d83773947a962e76c81b67d5e46b35734aef8a8a6e18
Dec 14 12:15:06.865 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 14 12:15:07.376 INFO [stdout] af4ab9180b0a149a2827df9ac8b9a8baac30789fa4a80b00b0dd92d600c946a0
Dec 14 12:15:07.378 INFO running `"docker" "start" "-a" "af4ab9180b0a149a2827df9ac8b9a8baac30789fa4a80b00b0dd92d600c946a0"`
Dec 14 12:15:09.155 INFO [stderr] usermod: no changes
Dec 14 12:15:09.211 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 14 12:15:09.221 INFO [stderr]      Running /target/debug/deps/sudoku-7958f90b24d82bbf
Dec 14 12:15:09.232 INFO [stdout] 
Dec 14 12:15:09.232 INFO [stdout] running 2 tests
Dec 14 12:15:09.233 INFO [stdout] test field::tests::cell_fixing ... ok
Dec 14 12:15:09.234 INFO [stdout] test field::tests::removing_candidates_and_solving ... ok
Dec 14 12:15:09.234 INFO [stdout] 
Dec 14 12:15:09.234 INFO [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 12:15:09.234 INFO [stdout] 
Dec 14 12:15:09.251 INFO [stderr] su: No module specific data is present
Dec 14 12:15:10.184 INFO running `"docker" "inspect" "af4ab9180b0a149a2827df9ac8b9a8baac30789fa4a80b00b0dd92d600c946a0"`
Dec 14 12:15:10.505 INFO running `"docker" "rm" "-f" "af4ab9180b0a149a2827df9ac8b9a8baac30789fa4a80b00b0dd92d600c946a0"`
Dec 14 12:15:10.835 INFO [stdout] af4ab9180b0a149a2827df9ac8b9a8baac30789fa4a80b00b0dd92d600c946a0