Dec 19 09:51:24.715 INFO checking rsstdd/Rust_Strat_Game against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 09:51:24.715 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/rsstdd/Rust_Strat_Game:/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 09:51:25.254 INFO [stdout] 4666c4b2de3cbe2d221f4b0bf7cf75eeeba90cd71e367721acc18c0b584bf35f
Dec 19 09:51:25.262 INFO running `"docker" "start" "-a" "4666c4b2de3cbe2d221f4b0bf7cf75eeeba90cd71e367721acc18c0b584bf35f"`
Dec 19 09:51:26.888 INFO [stderr]     Checking strat-game v0.1.0 (/opt/crater/workdir)
Dec 19 09:51:27.101 INFO [stderr] warning: struct is never constructed: `Square`
Dec 19 09:51:27.101 INFO [stderr]   --> src/main.rs:43:1
Dec 19 09:51:27.101 INFO [stderr]    |
Dec 19 09:51:27.101 INFO [stderr] 43 | struct Square {
Dec 19 09:51:27.101 INFO [stderr]    | ^^^^^^^^^^^^^
Dec 19 09:51:27.101 INFO [stderr]    |
Dec 19 09:51:27.101 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 09:51:27.101 INFO [stderr] 
Dec 19 09:51:27.101 INFO [stderr] warning: struct is never constructed: `Grid`
Dec 19 09:51:27.101 INFO [stderr]   --> src/main.rs:49:1
Dec 19 09:51:27.101 INFO [stderr]    |
Dec 19 09:51:27.101 INFO [stderr] 49 | struct Grid {
Dec 19 09:51:27.101 INFO [stderr]    | ^^^^^^^^^^^
Dec 19 09:51:27.101 INFO [stderr] 
Dec 19 09:51:27.101 INFO [stderr] warning: method is never used: `generate_empty`
Dec 19 09:51:27.101 INFO [stderr]   --> src/main.rs:55:5
Dec 19 09:51:27.101 INFO [stderr]    |
Dec 19 09:51:27.101 INFO [stderr] 55 |     fn generate_empty(size_x: usize, size_y: usize) -> Grid { // returns a grid
Dec 19 09:51:27.101 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 09:51:27.101 INFO [stderr] 
Dec 19 09:51:27.268 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
Dec 19 09:51:28.108 INFO running `"docker" "inspect" "4666c4b2de3cbe2d221f4b0bf7cf75eeeba90cd71e367721acc18c0b584bf35f"`
Dec 19 09:51:28.370 INFO running `"docker" "rm" "-f" "4666c4b2de3cbe2d221f4b0bf7cf75eeeba90cd71e367721acc18c0b584bf35f"`
Dec 19 09:51:28.672 INFO [stdout] 4666c4b2de3cbe2d221f4b0bf7cf75eeeba90cd71e367721acc18c0b584bf35f