Nov 30 00:54:17.253 INFO checking jimmycuadra/connect_four against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 00:54:17.254 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-1/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 00:54:17.759 INFO [stdout] 946fbf0b2c2088879f4b5539412df0b6f5f8e7c79f617671d4d1e7f752d10893
Nov 30 00:54:17.766 INFO running `"docker" "start" "-a" "946fbf0b2c2088879f4b5539412df0b6f5f8e7c79f617671d4d1e7f752d10893"`
Nov 30 00:54:19.556 INFO [stderr] usermod: no changes
Nov 30 00:54:19.648 INFO [stderr]     Checking connect_four v0.0.1 (/source)
Nov 30 00:54:20.300 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Nov 30 00:54:20.300 INFO [stderr]    --> src/main.rs:133:20
Nov 30 00:54:20.300 INFO [stderr]     |
Nov 30 00:54:20.300 INFO [stderr] 133 |         for col in (0..self.column_count) {
Nov 30 00:54:20.300 INFO [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 30 00:54:20.300 INFO [stderr]     |
Nov 30 00:54:20.300 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Nov 30 00:54:20.300 INFO [stderr] 
Nov 30 00:54:20.300 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Nov 30 00:54:20.300 INFO [stderr]    --> src/main.rs:163:31
Nov 30 00:54:20.300 INFO [stderr]     |
Nov 30 00:54:20.300 INFO [stderr] 163 |                 for offset in (1..4) {
Nov 30 00:54:20.300 INFO [stderr]     |                               ^^^^^^ help: remove these parentheses
Nov 30 00:54:20.300 INFO [stderr] 
Nov 30 00:54:20.300 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Nov 30 00:54:20.300 INFO [stderr]    --> src/main.rs:194:31
Nov 30 00:54:20.300 INFO [stderr]     |
Nov 30 00:54:20.300 INFO [stderr] 194 |                 for offset in (1..4) {
Nov 30 00:54:20.301 INFO [stderr]     |                               ^^^^^^ help: remove these parentheses
Nov 30 00:54:20.301 INFO [stderr] 
Nov 30 00:54:20.500 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Nov 30 00:54:20.501 INFO [stderr]    --> src/main.rs:133:20
Nov 30 00:54:20.501 INFO [stderr]     |
Nov 30 00:54:20.501 INFO [stderr] 133 |         for col in (0..self.column_count) {
Nov 30 00:54:20.502 INFO [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 30 00:54:20.502 INFO [stderr]     |
Nov 30 00:54:20.502 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Nov 30 00:54:20.502 INFO [stderr] 
Nov 30 00:54:20.503 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Nov 30 00:54:20.503 INFO [stderr]    --> src/main.rs:163:31
Nov 30 00:54:20.503 INFO [stderr]     |
Nov 30 00:54:20.504 INFO [stderr] 163 |                 for offset in (1..4) {
Nov 30 00:54:20.504 INFO [stderr]     |                               ^^^^^^ help: remove these parentheses
Nov 30 00:54:20.504 INFO [stderr] 
Nov 30 00:54:20.504 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Nov 30 00:54:20.505 INFO [stderr]    --> src/main.rs:194:31
Nov 30 00:54:20.505 INFO [stderr]     |
Nov 30 00:54:20.505 INFO [stderr] 194 |                 for offset in (1..4) {
Nov 30 00:54:20.506 INFO [stderr]     |                               ^^^^^^ help: remove these parentheses
Nov 30 00:54:20.506 INFO [stderr] 
Nov 30 00:54:20.853 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.24s
Nov 30 00:54:20.860 INFO [stderr] su: No module specific data is present
Nov 30 00:54:23.330 INFO running `"docker" "inspect" "946fbf0b2c2088879f4b5539412df0b6f5f8e7c79f617671d4d1e7f752d10893"`
Nov 30 00:54:23.636 INFO running `"docker" "rm" "-f" "946fbf0b2c2088879f4b5539412df0b6f5f8e7c79f617671d4d1e7f752d10893"`
Nov 30 00:54:23.952 INFO [stdout] 946fbf0b2c2088879f4b5539412df0b6f5f8e7c79f617671d4d1e7f752d10893