Dec 19 17:00:06.577 INFO checking flada-auxv/game_of_life-rust against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 17:00:06.577 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/flada-auxv/game_of_life-rust:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 17:00:07.198 INFO [stdout] dad94942b8b9f32f95036806c697448496bf27dd5001a33361e09c1dd5f6f833
Dec 19 17:00:07.200 INFO running `"docker" "start" "-a" "dad94942b8b9f32f95036806c697448496bf27dd5001a33361e09c1dd5f6f833"`
Dec 19 17:00:09.860 INFO [stderr]     Checking game_of_life v0.1.0 (/opt/crater/workdir)
Dec 19 17:00:10.300 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 19 17:00:10.301 INFO [stderr]   --> src/main.rs:95:18
Dec 19 17:00:10.301 INFO [stderr]    |
Dec 19 17:00:10.301 INFO [stderr] 95 |         for x in (0..self.height) {
Dec 19 17:00:10.302 INFO [stderr]    |                  ^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 19 17:00:10.302 INFO [stderr]    |
Dec 19 17:00:10.302 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 19 17:00:10.302 INFO [stderr] 
Dec 19 17:00:10.303 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 19 17:00:10.303 INFO [stderr]   --> src/main.rs:96:22
Dec 19 17:00:10.303 INFO [stderr]    |
Dec 19 17:00:10.304 INFO [stderr] 96 |             for y in (0..self.width) {
Dec 19 17:00:10.304 INFO [stderr]    |                      ^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 19 17:00:10.304 INFO [stderr] 
Dec 19 17:00:10.313 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 19 17:00:10.314 INFO [stderr]   --> src/main.rs:95:18
Dec 19 17:00:10.314 INFO [stderr]    |
Dec 19 17:00:10.314 INFO [stderr] 95 |         for x in (0..self.height) {
Dec 19 17:00:10.314 INFO [stderr]    |                  ^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 19 17:00:10.314 INFO [stderr]    |
Dec 19 17:00:10.314 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 19 17:00:10.314 INFO [stderr] 
Dec 19 17:00:10.314 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 19 17:00:10.314 INFO [stderr]   --> src/main.rs:96:22
Dec 19 17:00:10.314 INFO [stderr]    |
Dec 19 17:00:10.314 INFO [stderr] 96 |             for y in (0..self.width) {
Dec 19 17:00:10.314 INFO [stderr]    |                      ^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 19 17:00:10.314 INFO [stderr] 
Dec 19 17:00:10.410 INFO [stderr] warning: variable does not need to be mutable
Dec 19 17:00:10.410 INFO [stderr]   --> src/main.rs:22:9
Dec 19 17:00:10.410 INFO [stderr]    |
Dec 19 17:00:10.410 INFO [stderr] 22 |     let mut reader = io::stdin();
Dec 19 17:00:10.410 INFO [stderr]    |         ----^^^^^^
Dec 19 17:00:10.411 INFO [stderr]    |         |
Dec 19 17:00:10.411 INFO [stderr]    |         help: remove this `mut`
Dec 19 17:00:10.411 INFO [stderr]    |
Dec 19 17:00:10.411 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 17:00:10.411 INFO [stderr] 
Dec 19 17:00:10.426 INFO [stderr] warning: variable does not need to be mutable
Dec 19 17:00:10.426 INFO [stderr]   --> src/main.rs:22:9
Dec 19 17:00:10.426 INFO [stderr]    |
Dec 19 17:00:10.426 INFO [stderr] 22 |     let mut reader = io::stdin();
Dec 19 17:00:10.426 INFO [stderr]    |         ----^^^^^^
Dec 19 17:00:10.426 INFO [stderr]    |         |
Dec 19 17:00:10.426 INFO [stderr]    |         help: remove this `mut`
Dec 19 17:00:10.426 INFO [stderr]    |
Dec 19 17:00:10.426 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 17:00:10.426 INFO [stderr] 
Dec 19 17:00:10.533 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
Dec 19 17:00:11.848 INFO running `"docker" "inspect" "dad94942b8b9f32f95036806c697448496bf27dd5001a33361e09c1dd5f6f833"`
Dec 19 17:00:12.294 INFO running `"docker" "rm" "-f" "dad94942b8b9f32f95036806c697448496bf27dd5001a33361e09c1dd5f6f833"`
Dec 19 17:00:12.684 INFO [stdout] dad94942b8b9f32f95036806c697448496bf27dd5001a33361e09c1dd5f6f833