Dec 04 21:28:28.940 INFO checking bruce/rust-mazes against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 21:28:28.940 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 04 21:28:29.442 INFO [stdout] e5cad01d510116018b576e569cea6b2463963411394b32c3f7d2b3726ab1ccc8
Dec 04 21:28:29.444 INFO running `"docker" "start" "-a" "e5cad01d510116018b576e569cea6b2463963411394b32c3f7d2b3726ab1ccc8"`
Dec 04 21:28:31.718 INFO [stderr] usermod: no changes
Dec 04 21:28:31.775 INFO [stderr]     Checking mazes v0.1.0 (/source)
Dec 04 21:28:32.331 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 04 21:28:32.331 INFO [stderr]   --> src/grid.rs:22:20
Dec 04 21:28:32.331 INFO [stderr]    |
Dec 04 21:28:32.331 INFO [stderr] 22 |         for col in (1..cols) {
Dec 04 21:28:32.331 INFO [stderr]    |                    ^^^^^^^^^ help: remove these parentheses
Dec 04 21:28:32.331 INFO [stderr]    |
Dec 04 21:28:32.331 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 04 21:28:32.331 INFO [stderr] 
Dec 04 21:28:32.331 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 04 21:28:32.331 INFO [stderr]   --> src/grid.rs:24:24
Dec 04 21:28:32.331 INFO [stderr]    |
Dec 04 21:28:32.331 INFO [stderr] 24 |             for row in (1..rows) {
Dec 04 21:28:32.331 INFO [stderr]    |                        ^^^^^^^^^ help: remove these parentheses
Dec 04 21:28:32.331 INFO [stderr] 
Dec 04 21:28:32.584 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 04 21:28:32.584 INFO [stderr]   --> src/grid.rs:22:20
Dec 04 21:28:32.585 INFO [stderr]    |
Dec 04 21:28:32.585 INFO [stderr] 22 |         for col in (1..cols) {
Dec 04 21:28:32.585 INFO [stderr]    |                    ^^^^^^^^^ help: remove these parentheses
Dec 04 21:28:32.585 INFO [stderr]    |
Dec 04 21:28:32.585 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 04 21:28:32.585 INFO [stderr] 
Dec 04 21:28:32.586 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 04 21:28:32.586 INFO [stderr]   --> src/grid.rs:24:24
Dec 04 21:28:32.586 INFO [stderr]    |
Dec 04 21:28:32.586 INFO [stderr] 24 |             for row in (1..rows) {
Dec 04 21:28:32.586 INFO [stderr]    |                        ^^^^^^^^^ help: remove these parentheses
Dec 04 21:28:32.587 INFO [stderr] 
Dec 04 21:28:33.243 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.50s
Dec 04 21:28:33.247 INFO [stderr] su: No module specific data is present
Dec 04 21:28:34.555 INFO running `"docker" "inspect" "e5cad01d510116018b576e569cea6b2463963411394b32c3f7d2b3726ab1ccc8"`
Dec 04 21:28:34.863 INFO running `"docker" "rm" "-f" "e5cad01d510116018b576e569cea6b2463963411394b32c3f7d2b3726ab1ccc8"`
Dec 04 21:28:35.187 INFO [stdout] e5cad01d510116018b576e569cea6b2463963411394b32c3f7d2b3726ab1ccc8