Dec 19 15:09:47.473 INFO checking jimmycuadra/connect_four against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 15:09:47.473 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/jimmycuadra/connect_four:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 15:09:47.737 INFO [stdout] 5b24c09d2d6628ef4fd5897f2f565b1c6f964c6736d36c2d7cce5ebc105e853b
Dec 19 15:09:47.739 INFO running `"docker" "start" "-a" "5b24c09d2d6628ef4fd5897f2f565b1c6f964c6736d36c2d7cce5ebc105e853b"`
Dec 19 15:09:49.156 INFO [stderr]     Checking connect_four v0.0.1 (/opt/crater/workdir)
Dec 19 15:09:49.412 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 19 15:09:49.412 INFO [stderr]    --> src/main.rs:133:20
Dec 19 15:09:49.412 INFO [stderr]     |
Dec 19 15:09:49.412 INFO [stderr] 133 |         for col in (0..self.column_count) {
Dec 19 15:09:49.412 INFO [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 19 15:09:49.412 INFO [stderr]     |
Dec 19 15:09:49.412 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 19 15:09:49.412 INFO [stderr] 
Dec 19 15:09:49.412 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 19 15:09:49.412 INFO [stderr]    --> src/main.rs:163:31
Dec 19 15:09:49.412 INFO [stderr]     |
Dec 19 15:09:49.412 INFO [stderr] 163 |                 for offset in (1..4) {
Dec 19 15:09:49.412 INFO [stderr]     |                               ^^^^^^ help: remove these parentheses
Dec 19 15:09:49.412 INFO [stderr] 
Dec 19 15:09:49.412 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 19 15:09:49.412 INFO [stderr]    --> src/main.rs:194:31
Dec 19 15:09:49.412 INFO [stderr]     |
Dec 19 15:09:49.412 INFO [stderr] 194 |                 for offset in (1..4) {
Dec 19 15:09:49.412 INFO [stderr]     |                               ^^^^^^ help: remove these parentheses
Dec 19 15:09:49.412 INFO [stderr] 
Dec 19 15:09:49.456 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 19 15:09:49.456 INFO [stderr]    --> src/main.rs:133:20
Dec 19 15:09:49.456 INFO [stderr]     |
Dec 19 15:09:49.456 INFO [stderr] 133 |         for col in (0..self.column_count) {
Dec 19 15:09:49.456 INFO [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 19 15:09:49.457 INFO [stderr]     |
Dec 19 15:09:49.457 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 19 15:09:49.457 INFO [stderr] 
Dec 19 15:09:49.457 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 19 15:09:49.457 INFO [stderr]    --> src/main.rs:163:31
Dec 19 15:09:49.457 INFO [stderr]     |
Dec 19 15:09:49.457 INFO [stderr] 163 |                 for offset in (1..4) {
Dec 19 15:09:49.457 INFO [stderr]     |                               ^^^^^^ help: remove these parentheses
Dec 19 15:09:49.457 INFO [stderr] 
Dec 19 15:09:49.457 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 19 15:09:49.457 INFO [stderr]    --> src/main.rs:194:31
Dec 19 15:09:49.457 INFO [stderr]     |
Dec 19 15:09:49.457 INFO [stderr] 194 |                 for offset in (1..4) {
Dec 19 15:09:49.457 INFO [stderr]     |                               ^^^^^^ help: remove these parentheses
Dec 19 15:09:49.457 INFO [stderr] 
Dec 19 15:09:49.693 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
Dec 19 15:09:50.875 INFO running `"docker" "inspect" "5b24c09d2d6628ef4fd5897f2f565b1c6f964c6736d36c2d7cce5ebc105e853b"`
Dec 19 15:09:51.216 INFO running `"docker" "rm" "-f" "5b24c09d2d6628ef4fd5897f2f565b1c6f964c6736d36c2d7cce5ebc105e853b"`
Dec 19 15:09:51.554 INFO [stdout] 5b24c09d2d6628ef4fd5897f2f565b1c6f964c6736d36c2d7cce5ebc105e853b