Dec 11 16:20:09.957 INFO checking jimmycuadra/connect_four against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 16:20:09.957 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 11 16:20:10.528 INFO [stdout] cda595d5fd04a756bd91dc2900448a7d442f8d1edd7553a07dda1ce9c723e609
Dec 11 16:20:10.534 INFO running `"docker" "start" "-a" "cda595d5fd04a756bd91dc2900448a7d442f8d1edd7553a07dda1ce9c723e609"`
Dec 11 16:20:12.224 INFO [stderr] usermod: no changes
Dec 11 16:20:12.288 INFO [stderr]     Checking connect_four v0.0.1 (/source)
Dec 11 16:20:12.884 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 11 16:20:12.884 INFO [stderr]    --> src/main.rs:133:20
Dec 11 16:20:12.884 INFO [stderr]     |
Dec 11 16:20:12.884 INFO [stderr] 133 |         for col in (0..self.column_count) {
Dec 11 16:20:12.884 INFO [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 11 16:20:12.884 INFO [stderr]     |
Dec 11 16:20:12.884 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 11 16:20:12.884 INFO [stderr] 
Dec 11 16:20:12.884 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 11 16:20:12.884 INFO [stderr]    --> src/main.rs:163:31
Dec 11 16:20:12.884 INFO [stderr]     |
Dec 11 16:20:12.884 INFO [stderr] 163 |                 for offset in (1..4) {
Dec 11 16:20:12.884 INFO [stderr]     |                               ^^^^^^ help: remove these parentheses
Dec 11 16:20:12.884 INFO [stderr] 
Dec 11 16:20:12.884 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 11 16:20:12.884 INFO [stderr]    --> src/main.rs:194:31
Dec 11 16:20:12.884 INFO [stderr]     |
Dec 11 16:20:12.884 INFO [stderr] 194 |                 for offset in (1..4) {
Dec 11 16:20:12.884 INFO [stderr]     |                               ^^^^^^ help: remove these parentheses
Dec 11 16:20:12.884 INFO [stderr] 
Dec 11 16:20:12.928 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 11 16:20:12.928 INFO [stderr]    --> src/main.rs:133:20
Dec 11 16:20:12.928 INFO [stderr]     |
Dec 11 16:20:12.928 INFO [stderr] 133 |         for col in (0..self.column_count) {
Dec 11 16:20:12.928 INFO [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 11 16:20:12.928 INFO [stderr]     |
Dec 11 16:20:12.928 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 11 16:20:12.928 INFO [stderr] 
Dec 11 16:20:12.928 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 11 16:20:12.928 INFO [stderr]    --> src/main.rs:163:31
Dec 11 16:20:12.928 INFO [stderr]     |
Dec 11 16:20:12.928 INFO [stderr] 163 |                 for offset in (1..4) {
Dec 11 16:20:12.928 INFO [stderr]     |                               ^^^^^^ help: remove these parentheses
Dec 11 16:20:12.928 INFO [stderr] 
Dec 11 16:20:12.928 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 11 16:20:12.928 INFO [stderr]    --> src/main.rs:194:31
Dec 11 16:20:12.928 INFO [stderr]     |
Dec 11 16:20:12.928 INFO [stderr] 194 |                 for offset in (1..4) {
Dec 11 16:20:12.928 INFO [stderr]     |                               ^^^^^^ help: remove these parentheses
Dec 11 16:20:12.928 INFO [stderr] 
Dec 11 16:20:13.188 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
Dec 11 16:20:13.192 INFO [stderr] su: No module specific data is present
Dec 11 16:20:14.018 INFO running `"docker" "inspect" "cda595d5fd04a756bd91dc2900448a7d442f8d1edd7553a07dda1ce9c723e609"`
Dec 11 16:20:14.400 INFO running `"docker" "rm" "-f" "cda595d5fd04a756bd91dc2900448a7d442f8d1edd7553a07dda1ce9c723e609"`
Dec 11 16:20:14.652 INFO [stdout] cda595d5fd04a756bd91dc2900448a7d442f8d1edd7553a07dda1ce9c723e609