Dec 04 16:36:38.590 INFO checking jimmycuadra/connect_four against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 16:36:38.590 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-3/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 16:36:39.011 INFO [stdout] 6af21bd07164dc0f2a8f7c013a3dd3287a3d02a65d9abff746f98c2944649e09
Dec 04 16:36:39.019 INFO running `"docker" "start" "-a" "6af21bd07164dc0f2a8f7c013a3dd3287a3d02a65d9abff746f98c2944649e09"`
Dec 04 16:36:40.478 INFO [stderr] usermod: no changes
Dec 04 16:36:40.527 INFO [stderr]     Checking connect_four v0.0.1 (/source)
Dec 04 16:36:41.031 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 04 16:36:41.031 INFO [stderr]    --> src/main.rs:133:20
Dec 04 16:36:41.031 INFO [stderr]     |
Dec 04 16:36:41.031 INFO [stderr] 133 |         for col in (0..self.column_count) {
Dec 04 16:36:41.031 INFO [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 04 16:36:41.031 INFO [stderr]     |
Dec 04 16:36:41.031 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 04 16:36:41.031 INFO [stderr] 
Dec 04 16:36:41.031 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 04 16:36:41.031 INFO [stderr]    --> src/main.rs:163:31
Dec 04 16:36:41.031 INFO [stderr]     |
Dec 04 16:36:41.031 INFO [stderr] 163 |                 for offset in (1..4) {
Dec 04 16:36:41.031 INFO [stderr]     |                               ^^^^^^ help: remove these parentheses
Dec 04 16:36:41.031 INFO [stderr] 
Dec 04 16:36:41.031 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 04 16:36:41.031 INFO [stderr]    --> src/main.rs:194:31
Dec 04 16:36:41.031 INFO [stderr]     |
Dec 04 16:36:41.031 INFO [stderr] 194 |                 for offset in (1..4) {
Dec 04 16:36:41.031 INFO [stderr]     |                               ^^^^^^ help: remove these parentheses
Dec 04 16:36:41.031 INFO [stderr] 
Dec 04 16:36:41.283 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 04 16:36:41.283 INFO [stderr]    --> src/main.rs:133:20
Dec 04 16:36:41.283 INFO [stderr]     |
Dec 04 16:36:41.283 INFO [stderr] 133 |         for col in (0..self.column_count) {
Dec 04 16:36:41.283 INFO [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 04 16:36:41.283 INFO [stderr]     |
Dec 04 16:36:41.283 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 04 16:36:41.283 INFO [stderr] 
Dec 04 16:36:41.283 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 04 16:36:41.283 INFO [stderr]    --> src/main.rs:163:31
Dec 04 16:36:41.283 INFO [stderr]     |
Dec 04 16:36:41.283 INFO [stderr] 163 |                 for offset in (1..4) {
Dec 04 16:36:41.283 INFO [stderr]     |                               ^^^^^^ help: remove these parentheses
Dec 04 16:36:41.283 INFO [stderr] 
Dec 04 16:36:41.283 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 04 16:36:41.283 INFO [stderr]    --> src/main.rs:194:31
Dec 04 16:36:41.283 INFO [stderr]     |
Dec 04 16:36:41.283 INFO [stderr] 194 |                 for offset in (1..4) {
Dec 04 16:36:41.283 INFO [stderr]     |                               ^^^^^^ help: remove these parentheses
Dec 04 16:36:41.283 INFO [stderr] 
Dec 04 16:36:41.491 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
Dec 04 16:36:41.491 INFO [stderr] su: No module specific data is present
Dec 04 16:36:42.875 INFO running `"docker" "inspect" "6af21bd07164dc0f2a8f7c013a3dd3287a3d02a65d9abff746f98c2944649e09"`
Dec 04 16:36:43.277 INFO running `"docker" "rm" "-f" "6af21bd07164dc0f2a8f7c013a3dd3287a3d02a65d9abff746f98c2944649e09"`
Dec 04 16:36:43.619 INFO [stdout] 6af21bd07164dc0f2a8f7c013a3dd3287a3d02a65d9abff746f98c2944649e09