Dec 17 22:17:32.753 INFO checking jimmycuadra/connect_four against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 22:17:32.753 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 22:17:33.205 INFO [stdout] e4d1205cb5cfc1efb945a90f178d34b6e25083b6f019d26bfbd7ab686fc7205f
Dec 17 22:17:33.207 INFO running `"docker" "start" "-a" "e4d1205cb5cfc1efb945a90f178d34b6e25083b6f019d26bfbd7ab686fc7205f"`
Dec 17 22:17:35.777 INFO [stderr]     Checking connect_four v0.0.1 (/opt/crater/workdir)
Dec 17 22:17:36.160 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 17 22:17:36.160 INFO [stderr]    --> src/main.rs:133:20
Dec 17 22:17:36.160 INFO [stderr]     |
Dec 17 22:17:36.160 INFO [stderr] 133 |         for col in (0..self.column_count) {
Dec 17 22:17:36.160 INFO [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 17 22:17:36.160 INFO [stderr]     |
Dec 17 22:17:36.160 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 17 22:17:36.160 INFO [stderr] 
Dec 17 22:17:36.160 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 17 22:17:36.160 INFO [stderr]    --> src/main.rs:163:31
Dec 17 22:17:36.160 INFO [stderr]     |
Dec 17 22:17:36.160 INFO [stderr] 163 |                 for offset in (1..4) {
Dec 17 22:17:36.160 INFO [stderr]     |                               ^^^^^^ help: remove these parentheses
Dec 17 22:17:36.160 INFO [stderr] 
Dec 17 22:17:36.161 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 17 22:17:36.161 INFO [stderr]    --> src/main.rs:194:31
Dec 17 22:17:36.161 INFO [stderr]     |
Dec 17 22:17:36.161 INFO [stderr] 194 |                 for offset in (1..4) {
Dec 17 22:17:36.161 INFO [stderr]     |                               ^^^^^^ help: remove these parentheses
Dec 17 22:17:36.161 INFO [stderr] 
Dec 17 22:17:36.190 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 17 22:17:36.190 INFO [stderr]    --> src/main.rs:133:20
Dec 17 22:17:36.190 INFO [stderr]     |
Dec 17 22:17:36.190 INFO [stderr] 133 |         for col in (0..self.column_count) {
Dec 17 22:17:36.190 INFO [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 17 22:17:36.190 INFO [stderr]     |
Dec 17 22:17:36.190 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 17 22:17:36.190 INFO [stderr] 
Dec 17 22:17:36.190 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 17 22:17:36.190 INFO [stderr]    --> src/main.rs:163:31
Dec 17 22:17:36.190 INFO [stderr]     |
Dec 17 22:17:36.190 INFO [stderr] 163 |                 for offset in (1..4) {
Dec 17 22:17:36.190 INFO [stderr]     |                               ^^^^^^ help: remove these parentheses
Dec 17 22:17:36.190 INFO [stderr] 
Dec 17 22:17:36.190 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 17 22:17:36.190 INFO [stderr]    --> src/main.rs:194:31
Dec 17 22:17:36.190 INFO [stderr]     |
Dec 17 22:17:36.190 INFO [stderr] 194 |                 for offset in (1..4) {
Dec 17 22:17:36.190 INFO [stderr]     |                               ^^^^^^ help: remove these parentheses
Dec 17 22:17:36.190 INFO [stderr] 
Dec 17 22:17:36.476 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
Dec 17 22:17:37.796 INFO running `"docker" "inspect" "e4d1205cb5cfc1efb945a90f178d34b6e25083b6f019d26bfbd7ab686fc7205f"`
Dec 17 22:17:38.050 INFO running `"docker" "rm" "-f" "e4d1205cb5cfc1efb945a90f178d34b6e25083b6f019d26bfbd7ab686fc7205f"`
Dec 17 22:17:38.328 INFO [stdout] e4d1205cb5cfc1efb945a90f178d34b6e25083b6f019d26bfbd7ab686fc7205f