Dec 19 15:35:25.017 INFO checking ivanovaleksey/de-miner against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 15:35:25.018 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/ivanovaleksey/de-miner:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 15:35:25.259 INFO [stdout] 9d02be5b4c79545572f382238f8adfd98ef58ed4ed4332cbdb0d874b7e02771a
Dec 19 15:35:25.262 INFO running `"docker" "start" "-a" "9d02be5b4c79545572f382238f8adfd98ef58ed4ed4332cbdb0d874b7e02771a"`
Dec 19 15:35:25.908 INFO [stderr]     Checking itertools v0.7.7
Dec 19 15:35:27.699 INFO [stderr]     Checking de-miner v0.1.0 (/opt/crater/workdir)
Dec 19 15:35:27.972 INFO [stderr] warning: variant is never constructed: `Bomb`
Dec 19 15:35:27.972 INFO [stderr]  --> src/main.rs:7:5
Dec 19 15:35:27.972 INFO [stderr]   |
Dec 19 15:35:27.972 INFO [stderr] 7 |     Bomb,
Dec 19 15:35:27.972 INFO [stderr]   |     ^^^^
Dec 19 15:35:27.972 INFO [stderr]   |
Dec 19 15:35:27.972 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 15:35:27.972 INFO [stderr] 
Dec 19 15:35:27.972 INFO [stderr] warning: variant is never constructed: `Safe`
Dec 19 15:35:27.972 INFO [stderr]  --> src/main.rs:8:5
Dec 19 15:35:27.972 INFO [stderr]   |
Dec 19 15:35:27.972 INFO [stderr] 8 |     Safe,
Dec 19 15:35:27.972 INFO [stderr]   |     ^^^^
Dec 19 15:35:27.972 INFO [stderr] 
Dec 19 15:35:27.972 INFO [stderr] warning: variant is never constructed: `Bomb`
Dec 19 15:35:27.972 INFO [stderr]   --> src/main.rs:13:5
Dec 19 15:35:27.972 INFO [stderr]    |
Dec 19 15:35:27.972 INFO [stderr] 13 |     Bomb,
Dec 19 15:35:27.972 INFO [stderr]    |     ^^^^
Dec 19 15:35:27.972 INFO [stderr] 
Dec 19 15:35:27.972 INFO [stderr] warning: variant is never constructed: `Safe`
Dec 19 15:35:27.972 INFO [stderr]   --> src/main.rs:14:5
Dec 19 15:35:27.972 INFO [stderr]    |
Dec 19 15:35:27.972 INFO [stderr] 14 |     Safe(usize),
Dec 19 15:35:27.972 INFO [stderr]    |     ^^^^^^^^^^^
Dec 19 15:35:27.972 INFO [stderr] 
Dec 19 15:35:27.972 INFO [stderr] warning: struct is never constructed: `GameField`
Dec 19 15:35:27.972 INFO [stderr]   --> src/main.rs:28:1
Dec 19 15:35:27.972 INFO [stderr]    |
Dec 19 15:35:27.972 INFO [stderr] 28 | struct GameField<T> {
Dec 19 15:35:27.972 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^
Dec 19 15:35:27.972 INFO [stderr] 
Dec 19 15:35:27.972 INFO [stderr] warning: type alias is never used: `Field`
Dec 19 15:35:27.972 INFO [stderr]   --> src/main.rs:33:1
Dec 19 15:35:27.972 INFO [stderr]    |
Dec 19 15:35:27.972 INFO [stderr] 33 | type Field = GameField<CellKind>;
Dec 19 15:35:27.972 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:35:27.972 INFO [stderr] 
Dec 19 15:35:27.972 INFO [stderr] warning: type alias is never used: `OpenField`
Dec 19 15:35:27.972 INFO [stderr]   --> src/main.rs:34:1
Dec 19 15:35:27.972 INFO [stderr]    |
Dec 19 15:35:27.972 INFO [stderr] 34 | type OpenField = GameField<OpenCellKind>;
Dec 19 15:35:27.972 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:35:27.972 INFO [stderr] 
Dec 19 15:35:27.972 INFO [stderr] warning: method is never used: `parse`
Dec 19 15:35:27.972 INFO [stderr]   --> src/main.rs:37:5
Dec 19 15:35:27.972 INFO [stderr]    |
Dec 19 15:35:27.972 INFO [stderr] 37 |     fn parse(input: &str) -> Field {
Dec 19 15:35:27.972 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:35:27.972 INFO [stderr] 
Dec 19 15:35:27.972 INFO [stderr] warning: method is never used: `open`
Dec 19 15:35:27.972 INFO [stderr]   --> src/main.rs:60:5
Dec 19 15:35:27.972 INFO [stderr]    |
Dec 19 15:35:27.972 INFO [stderr] 60 |     fn open(&self) -> OpenField {
Dec 19 15:35:27.972 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:35:27.972 INFO [stderr] 
Dec 19 15:35:27.972 INFO [stderr] warning: method is never used: `adjacent`
Dec 19 15:35:27.972 INFO [stderr]    --> src/main.rs:129:5
Dec 19 15:35:27.973 INFO [stderr]     |
Dec 19 15:35:27.973 INFO [stderr] 129 |     fn adjacent(&self) -> Vec<Cell> {
Dec 19 15:35:27.973 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:35:27.973 INFO [stderr] 
Dec 19 15:35:28.050 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.16s
Dec 19 15:35:28.322 INFO running `"docker" "inspect" "9d02be5b4c79545572f382238f8adfd98ef58ed4ed4332cbdb0d874b7e02771a"`
Dec 19 15:35:28.429 INFO running `"docker" "rm" "-f" "9d02be5b4c79545572f382238f8adfd98ef58ed4ed4332cbdb0d874b7e02771a"`
Dec 19 15:35:28.536 INFO [stdout] 9d02be5b4c79545572f382238f8adfd98ef58ed4ed4332cbdb0d874b7e02771a