Dec 18 00:17:55.268 INFO checking flada-auxv/game_of_life-rust against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 00:17:55.268 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 00:17:55.718 INFO [stdout] 85990e3e3e1e23607982ee461a4d462a63e759290317001c747c86cd2c84d18d
Dec 18 00:17:55.718 INFO running `"docker" "start" "-a" "85990e3e3e1e23607982ee461a4d462a63e759290317001c747c86cd2c84d18d"`
Dec 18 00:17:57.308 INFO [stderr]     Checking game_of_life v0.1.0 (/opt/crater/workdir)
Dec 18 00:17:57.480 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 18 00:17:57.480 INFO [stderr]   --> src/main.rs:95:18
Dec 18 00:17:57.480 INFO [stderr]    |
Dec 18 00:17:57.480 INFO [stderr] 95 |         for x in (0..self.height) {
Dec 18 00:17:57.480 INFO [stderr]    |                  ^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 00:17:57.480 INFO [stderr]    |
Dec 18 00:17:57.480 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 18 00:17:57.480 INFO [stderr] 
Dec 18 00:17:57.480 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 18 00:17:57.480 INFO [stderr]   --> src/main.rs:96:22
Dec 18 00:17:57.480 INFO [stderr]    |
Dec 18 00:17:57.480 INFO [stderr] 96 |             for y in (0..self.width) {
Dec 18 00:17:57.480 INFO [stderr]    |                      ^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 00:17:57.480 INFO [stderr] 
Dec 18 00:17:57.524 INFO [stderr] warning: variable does not need to be mutable
Dec 18 00:17:57.524 INFO [stderr]   --> src/main.rs:22:9
Dec 18 00:17:57.524 INFO [stderr]    |
Dec 18 00:17:57.524 INFO [stderr] 22 |     let mut reader = io::stdin();
Dec 18 00:17:57.524 INFO [stderr]    |         ----^^^^^^
Dec 18 00:17:57.524 INFO [stderr]    |         |
Dec 18 00:17:57.524 INFO [stderr]    |         help: remove this `mut`
Dec 18 00:17:57.524 INFO [stderr]    |
Dec 18 00:17:57.524 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 00:17:57.524 INFO [stderr] 
Dec 18 00:17:57.620 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 18 00:17:57.620 INFO [stderr]   --> src/main.rs:95:18
Dec 18 00:17:57.620 INFO [stderr]    |
Dec 18 00:17:57.620 INFO [stderr] 95 |         for x in (0..self.height) {
Dec 18 00:17:57.620 INFO [stderr]    |                  ^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 00:17:57.620 INFO [stderr]    |
Dec 18 00:17:57.624 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 18 00:17:57.624 INFO [stderr] 
Dec 18 00:17:57.624 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 18 00:17:57.624 INFO [stderr]   --> src/main.rs:96:22
Dec 18 00:17:57.624 INFO [stderr]    |
Dec 18 00:17:57.624 INFO [stderr] 96 |             for y in (0..self.width) {
Dec 18 00:17:57.624 INFO [stderr]    |                      ^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 00:17:57.625 INFO [stderr] 
Dec 18 00:17:57.685 INFO [stderr] warning: variable does not need to be mutable
Dec 18 00:17:57.685 INFO [stderr]   --> src/main.rs:22:9
Dec 18 00:17:57.685 INFO [stderr]    |
Dec 18 00:17:57.685 INFO [stderr] 22 |     let mut reader = io::stdin();
Dec 18 00:17:57.685 INFO [stderr]    |         ----^^^^^^
Dec 18 00:17:57.685 INFO [stderr]    |         |
Dec 18 00:17:57.685 INFO [stderr]    |         help: remove this `mut`
Dec 18 00:17:57.685 INFO [stderr]    |
Dec 18 00:17:57.685 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 00:17:57.685 INFO [stderr] 
Dec 18 00:17:57.789 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
Dec 18 00:17:58.869 INFO running `"docker" "inspect" "85990e3e3e1e23607982ee461a4d462a63e759290317001c747c86cd2c84d18d"`
Dec 18 00:17:59.196 INFO running `"docker" "rm" "-f" "85990e3e3e1e23607982ee461a4d462a63e759290317001c747c86cd2c84d18d"`
Dec 18 00:17:59.472 INFO [stdout] 85990e3e3e1e23607982ee461a4d462a63e759290317001c747c86cd2c84d18d