Oct 13 00:06:27.981 INFO checking bruce/rust-mazes against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 00:06:27.981 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-0/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 13 00:06:28.514 INFO blam! 5b10ac4702dea3b8a93920adeaa1de3c1efa40d8fa08aef0953a43fc923303bc
Oct 13 00:06:28.520 INFO running `"docker" "start" "-a" "5b10ac4702dea3b8a93920adeaa1de3c1efa40d8fa08aef0953a43fc923303bc"`
Oct 13 00:06:29.964 INFO kablam! usermod: no changes
Oct 13 00:06:30.009 INFO kablam!     Checking mazes v0.1.0 (/source)
Oct 13 00:06:30.685 INFO kablam! warning: unnecessary parentheses around `for` head expression
Oct 13 00:06:30.685 INFO kablam!   --> src/grid.rs:22:20
Oct 13 00:06:30.685 INFO kablam!    |
Oct 13 00:06:30.685 INFO kablam! 22 |         for col in (1..cols) {
Oct 13 00:06:30.685 INFO kablam!    |                    ^^^^^^^^^ help: remove these parentheses
Oct 13 00:06:30.685 INFO kablam!    |
Oct 13 00:06:30.685 INFO kablam!    = note: #[warn(unused_parens)] on by default
Oct 13 00:06:30.685 INFO kablam! 
Oct 13 00:06:30.685 INFO kablam! warning: unnecessary parentheses around `for` head expression
Oct 13 00:06:30.685 INFO kablam!   --> src/grid.rs:24:24
Oct 13 00:06:30.685 INFO kablam!    |
Oct 13 00:06:30.685 INFO kablam! 24 |             for row in (1..rows) {
Oct 13 00:06:30.685 INFO kablam!    |                        ^^^^^^^^^ help: remove these parentheses
Oct 13 00:06:30.685 INFO kablam! 
Oct 13 00:06:30.792 INFO kablam! warning: unnecessary parentheses around `for` head expression
Oct 13 00:06:30.792 INFO kablam!   --> src/grid.rs:22:20
Oct 13 00:06:30.792 INFO kablam!    |
Oct 13 00:06:30.792 INFO kablam! 22 |         for col in (1..cols) {
Oct 13 00:06:30.792 INFO kablam!    |                    ^^^^^^^^^ help: remove these parentheses
Oct 13 00:06:30.792 INFO kablam!    |
Oct 13 00:06:30.792 INFO kablam!    = note: #[warn(unused_parens)] on by default
Oct 13 00:06:30.792 INFO kablam! 
Oct 13 00:06:30.792 INFO kablam! warning: unnecessary parentheses around `for` head expression
Oct 13 00:06:30.792 INFO kablam!   --> src/grid.rs:24:24
Oct 13 00:06:30.792 INFO kablam!    |
Oct 13 00:06:30.792 INFO kablam! 24 |             for row in (1..rows) {
Oct 13 00:06:30.792 INFO kablam!    |                        ^^^^^^^^^ help: remove these parentheses
Oct 13 00:06:30.792 INFO kablam! 
Oct 13 00:06:31.530 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.54s
Oct 13 00:06:31.548 INFO kablam! su: No module specific data is present
Oct 13 00:06:32.178 INFO running `"docker" "rm" "-f" "5b10ac4702dea3b8a93920adeaa1de3c1efa40d8fa08aef0953a43fc923303bc"`
Oct 13 00:06:32.492 INFO blam! 5b10ac4702dea3b8a93920adeaa1de3c1efa40d8fa08aef0953a43fc923303bc