Nov 30 05:52:01.777 INFO checking bruce/rust-mazes against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 05:52:01.778 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-2/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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"`
Nov 30 05:52:02.228 INFO [stdout] 04873cd9890e4dd8099b0cad1555a851fa453d93079c07c375930b59ff3f5184
Nov 30 05:52:02.230 INFO running `"docker" "start" "-a" "04873cd9890e4dd8099b0cad1555a851fa453d93079c07c375930b59ff3f5184"`
Nov 30 05:52:03.619 INFO [stderr] usermod: no changes
Nov 30 05:52:03.715 INFO [stderr]     Checking mazes v0.1.0 (/source)
Nov 30 05:52:04.224 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Nov 30 05:52:04.224 INFO [stderr]   --> src/grid.rs:22:20
Nov 30 05:52:04.224 INFO [stderr]    |
Nov 30 05:52:04.224 INFO [stderr] 22 |         for col in (1..cols) {
Nov 30 05:52:04.224 INFO [stderr]    |                    ^^^^^^^^^ help: remove these parentheses
Nov 30 05:52:04.224 INFO [stderr]    |
Nov 30 05:52:04.224 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Nov 30 05:52:04.224 INFO [stderr] 
Nov 30 05:52:04.224 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Nov 30 05:52:04.224 INFO [stderr]   --> src/grid.rs:24:24
Nov 30 05:52:04.224 INFO [stderr]    |
Nov 30 05:52:04.224 INFO [stderr] 24 |             for row in (1..rows) {
Nov 30 05:52:04.224 INFO [stderr]    |                        ^^^^^^^^^ help: remove these parentheses
Nov 30 05:52:04.224 INFO [stderr] 
Nov 30 05:52:04.544 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Nov 30 05:52:04.544 INFO [stderr]   --> src/grid.rs:22:20
Nov 30 05:52:04.544 INFO [stderr]    |
Nov 30 05:52:04.544 INFO [stderr] 22 |         for col in (1..cols) {
Nov 30 05:52:04.544 INFO [stderr]    |                    ^^^^^^^^^ help: remove these parentheses
Nov 30 05:52:04.544 INFO [stderr]    |
Nov 30 05:52:04.544 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Nov 30 05:52:04.544 INFO [stderr] 
Nov 30 05:52:04.544 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Nov 30 05:52:04.544 INFO [stderr]   --> src/grid.rs:24:24
Nov 30 05:52:04.544 INFO [stderr]    |
Nov 30 05:52:04.544 INFO [stderr] 24 |             for row in (1..rows) {
Nov 30 05:52:04.544 INFO [stderr]    |                        ^^^^^^^^^ help: remove these parentheses
Nov 30 05:52:04.544 INFO [stderr] 
Nov 30 05:52:05.204 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.56s
Nov 30 05:52:05.205 INFO [stderr] su: No module specific data is present
Nov 30 05:52:05.938 INFO running `"docker" "inspect" "04873cd9890e4dd8099b0cad1555a851fa453d93079c07c375930b59ff3f5184"`
Nov 30 05:52:06.208 INFO running `"docker" "rm" "-f" "04873cd9890e4dd8099b0cad1555a851fa453d93079c07c375930b59ff3f5184"`
Nov 30 05:52:06.616 INFO [stdout] 04873cd9890e4dd8099b0cad1555a851fa453d93079c07c375930b59ff3f5184