Nov 30 00:54:24.081 INFO checking jimmycuadra/connect_four against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 00:54:24.081 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-1/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 00:54:24.530 INFO [stdout] 1db7a2ae84a69a4e37218f4c4d4c3aa9fe053504d38a66827096eaba6af07bf9
Nov 30 00:54:24.536 INFO running `"docker" "start" "-a" "1db7a2ae84a69a4e37218f4c4d4c3aa9fe053504d38a66827096eaba6af07bf9"`
Nov 30 00:54:25.968 INFO [stderr] usermod: no changes
Nov 30 00:54:26.036 INFO [stderr]     Checking connect_four v0.0.1 (/source)
Nov 30 00:54:26.368 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Nov 30 00:54:26.368 INFO [stderr]    --> src/main.rs:133:20
Nov 30 00:54:26.368 INFO [stderr]     |
Nov 30 00:54:26.368 INFO [stderr] 133 |         for col in (0..self.column_count) {
Nov 30 00:54:26.368 INFO [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 30 00:54:26.368 INFO [stderr]     |
Nov 30 00:54:26.368 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Nov 30 00:54:26.368 INFO [stderr] 
Nov 30 00:54:26.368 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Nov 30 00:54:26.368 INFO [stderr]    --> src/main.rs:163:31
Nov 30 00:54:26.368 INFO [stderr]     |
Nov 30 00:54:26.368 INFO [stderr] 163 |                 for offset in (1..4) {
Nov 30 00:54:26.368 INFO [stderr]     |                               ^^^^^^ help: remove these parentheses
Nov 30 00:54:26.368 INFO [stderr] 
Nov 30 00:54:26.368 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Nov 30 00:54:26.368 INFO [stderr]    --> src/main.rs:194:31
Nov 30 00:54:26.368 INFO [stderr]     |
Nov 30 00:54:26.368 INFO [stderr] 194 |                 for offset in (1..4) {
Nov 30 00:54:26.368 INFO [stderr]     |                               ^^^^^^ help: remove these parentheses
Nov 30 00:54:26.368 INFO [stderr] 
Nov 30 00:54:26.668 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Nov 30 00:54:26.668 INFO [stderr]    --> src/main.rs:133:20
Nov 30 00:54:26.668 INFO [stderr]     |
Nov 30 00:54:26.668 INFO [stderr] 133 |         for col in (0..self.column_count) {
Nov 30 00:54:26.668 INFO [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 30 00:54:26.668 INFO [stderr]     |
Nov 30 00:54:26.668 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Nov 30 00:54:26.668 INFO [stderr] 
Nov 30 00:54:26.668 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Nov 30 00:54:26.668 INFO [stderr]    --> src/main.rs:163:31
Nov 30 00:54:26.668 INFO [stderr]     |
Nov 30 00:54:26.668 INFO [stderr] 163 |                 for offset in (1..4) {
Nov 30 00:54:26.668 INFO [stderr]     |                               ^^^^^^ help: remove these parentheses
Nov 30 00:54:26.668 INFO [stderr] 
Nov 30 00:54:26.668 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Nov 30 00:54:26.668 INFO [stderr]    --> src/main.rs:194:31
Nov 30 00:54:26.668 INFO [stderr]     |
Nov 30 00:54:26.668 INFO [stderr] 194 |                 for offset in (1..4) {
Nov 30 00:54:26.668 INFO [stderr]     |                               ^^^^^^ help: remove these parentheses
Nov 30 00:54:26.668 INFO [stderr] 
Nov 30 00:54:26.891 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
Nov 30 00:54:26.894 INFO [stderr] su: No module specific data is present
Nov 30 00:54:27.787 INFO running `"docker" "inspect" "1db7a2ae84a69a4e37218f4c4d4c3aa9fe053504d38a66827096eaba6af07bf9"`
Nov 30 00:54:28.164 INFO running `"docker" "rm" "-f" "1db7a2ae84a69a4e37218f4c4d4c3aa9fe053504d38a66827096eaba6af07bf9"`
Nov 30 00:54:28.488 INFO [stdout] 1db7a2ae84a69a4e37218f4c4d4c3aa9fe053504d38a66827096eaba6af07bf9