Dec 11 16:50:14.605 INFO checking ivanovaleksey/de-miner against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 16:50:14.605 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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"`
Dec 11 16:50:15.048 INFO [stdout] e913caede564ad6b4e36f0d7ad89db5a92bf1c3621fd2d3f8376ae97813054f1
Dec 11 16:50:15.048 INFO running `"docker" "start" "-a" "e913caede564ad6b4e36f0d7ad89db5a92bf1c3621fd2d3f8376ae97813054f1"`
Dec 11 16:50:16.903 INFO [stderr] usermod: no changes
Dec 11 16:50:16.976 INFO [stderr]     Checking itertools v0.7.7
Dec 11 16:50:18.936 INFO [stderr]     Checking de-miner v0.1.0 (/source)
Dec 11 16:50:19.528 INFO [stderr] warning: variant is never constructed: `Bomb`
Dec 11 16:50:19.528 INFO [stderr]  --> src/main.rs:7:5
Dec 11 16:50:19.528 INFO [stderr]   |
Dec 11 16:50:19.528 INFO [stderr] 7 |     Bomb,
Dec 11 16:50:19.528 INFO [stderr]   |     ^^^^
Dec 11 16:50:19.528 INFO [stderr]   |
Dec 11 16:50:19.528 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 16:50:19.528 INFO [stderr] 
Dec 11 16:50:19.528 INFO [stderr] warning: variant is never constructed: `Safe`
Dec 11 16:50:19.528 INFO [stderr]  --> src/main.rs:8:5
Dec 11 16:50:19.528 INFO [stderr]   |
Dec 11 16:50:19.528 INFO [stderr] 8 |     Safe,
Dec 11 16:50:19.528 INFO [stderr]   |     ^^^^
Dec 11 16:50:19.528 INFO [stderr] 
Dec 11 16:50:19.528 INFO [stderr] warning: variant is never constructed: `Bomb`
Dec 11 16:50:19.528 INFO [stderr]   --> src/main.rs:13:5
Dec 11 16:50:19.528 INFO [stderr]    |
Dec 11 16:50:19.528 INFO [stderr] 13 |     Bomb,
Dec 11 16:50:19.528 INFO [stderr]    |     ^^^^
Dec 11 16:50:19.528 INFO [stderr] 
Dec 11 16:50:19.528 INFO [stderr] warning: variant is never constructed: `Safe`
Dec 11 16:50:19.528 INFO [stderr]   --> src/main.rs:14:5
Dec 11 16:50:19.528 INFO [stderr]    |
Dec 11 16:50:19.528 INFO [stderr] 14 |     Safe(usize),
Dec 11 16:50:19.528 INFO [stderr]    |     ^^^^^^^^^^^
Dec 11 16:50:19.528 INFO [stderr] 
Dec 11 16:50:19.528 INFO [stderr] warning: struct is never constructed: `GameField`
Dec 11 16:50:19.528 INFO [stderr]   --> src/main.rs:28:1
Dec 11 16:50:19.529 INFO [stderr]    |
Dec 11 16:50:19.529 INFO [stderr] 28 | struct GameField<T> {
Dec 11 16:50:19.529 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^
Dec 11 16:50:19.529 INFO [stderr] 
Dec 11 16:50:19.529 INFO [stderr] warning: type alias is never used: `Field`
Dec 11 16:50:19.529 INFO [stderr]   --> src/main.rs:33:1
Dec 11 16:50:19.529 INFO [stderr]    |
Dec 11 16:50:19.529 INFO [stderr] 33 | type Field = GameField<CellKind>;
Dec 11 16:50:19.529 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:50:19.529 INFO [stderr] 
Dec 11 16:50:19.529 INFO [stderr] warning: type alias is never used: `OpenField`
Dec 11 16:50:19.529 INFO [stderr]   --> src/main.rs:34:1
Dec 11 16:50:19.529 INFO [stderr]    |
Dec 11 16:50:19.529 INFO [stderr] 34 | type OpenField = GameField<OpenCellKind>;
Dec 11 16:50:19.529 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:50:19.529 INFO [stderr] 
Dec 11 16:50:19.529 INFO [stderr] warning: method is never used: `parse`
Dec 11 16:50:19.529 INFO [stderr]   --> src/main.rs:37:5
Dec 11 16:50:19.529 INFO [stderr]    |
Dec 11 16:50:19.529 INFO [stderr] 37 |     fn parse(input: &str) -> Field {
Dec 11 16:50:19.529 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:50:19.529 INFO [stderr] 
Dec 11 16:50:19.529 INFO [stderr] warning: method is never used: `open`
Dec 11 16:50:19.529 INFO [stderr]   --> src/main.rs:60:5
Dec 11 16:50:19.529 INFO [stderr]    |
Dec 11 16:50:19.529 INFO [stderr] 60 |     fn open(&self) -> OpenField {
Dec 11 16:50:19.529 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:50:19.529 INFO [stderr] 
Dec 11 16:50:19.529 INFO [stderr] warning: method is never used: `adjacent`
Dec 11 16:50:19.529 INFO [stderr]    --> src/main.rs:129:5
Dec 11 16:50:19.529 INFO [stderr]     |
Dec 11 16:50:19.529 INFO [stderr] 129 |     fn adjacent(&self) -> Vec<Cell> {
Dec 11 16:50:19.529 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:50:19.529 INFO [stderr] 
Dec 11 16:50:19.752 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.80s
Dec 11 16:50:19.760 INFO [stderr] su: No module specific data is present
Dec 11 16:50:20.456 INFO running `"docker" "inspect" "e913caede564ad6b4e36f0d7ad89db5a92bf1c3621fd2d3f8376ae97813054f1"`
Dec 11 16:50:20.784 INFO running `"docker" "rm" "-f" "e913caede564ad6b4e36f0d7ad89db5a92bf1c3621fd2d3f8376ae97813054f1"`
Dec 11 16:50:20.992 INFO [stdout] e913caede564ad6b4e36f0d7ad89db5a92bf1c3621fd2d3f8376ae97813054f1