Nov 28 14:15:14.765 INFO checking Catman155/four-in-a-row against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 14:15:14.766 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-7/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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 28 14:15:15.197 INFO [stdout] 3624646b36607e45a21562407bb5e1e3ca56139f526c46102c9d35fd6942690b
Nov 28 14:15:15.206 INFO running `"docker" "start" "-a" "3624646b36607e45a21562407bb5e1e3ca56139f526c46102c9d35fd6942690b"`
Nov 28 14:15:16.842 INFO [stderr] usermod: no changes
Nov 28 14:15:16.890 INFO [stderr]     Checking four_in_a_row v0.1.0 (/source)
Nov 28 14:15:17.580 INFO [stderr] warning: unused import: `BOARD_SIZE`
Nov 28 14:15:17.580 INFO [stderr]  --> src/objects/ai.rs:2:5
Nov 28 14:15:17.580 INFO [stderr]   |
Nov 28 14:15:17.580 INFO [stderr] 2 | use BOARD_SIZE;
Nov 28 14:15:17.581 INFO [stderr]   |     ^^^^^^^^^^
Nov 28 14:15:17.581 INFO [stderr]   |
Nov 28 14:15:17.581 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 14:15:17.581 INFO [stderr] 
Nov 28 14:15:17.791 INFO [stderr] warning: unused variable: `direction`
Nov 28 14:15:17.791 INFO [stderr]   --> src/objects/ai.rs:19:17
Nov 28 14:15:17.791 INFO [stderr]    |
Nov 28 14:15:17.791 INFO [stderr] 19 |             let direction = self.get_possible_directions(positions);
Nov 28 14:15:17.791 INFO [stderr]    |                 ^^^^^^^^^ help: consider using `_direction` instead
Nov 28 14:15:17.791 INFO [stderr]    |
Nov 28 14:15:17.791 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 14:15:17.791 INFO [stderr] 
Nov 28 14:15:17.828 INFO [stderr] warning: unused import: `BOARD_SIZE`
Nov 28 14:15:17.828 INFO [stderr]  --> src/objects/ai.rs:2:5
Nov 28 14:15:17.828 INFO [stderr]   |
Nov 28 14:15:17.828 INFO [stderr] 2 | use BOARD_SIZE;
Nov 28 14:15:17.828 INFO [stderr]   |     ^^^^^^^^^^
Nov 28 14:15:17.828 INFO [stderr]   |
Nov 28 14:15:17.828 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 14:15:17.828 INFO [stderr] 
Nov 28 14:15:17.833 INFO [stderr] warning: variable does not need to be mutable
Nov 28 14:15:17.833 INFO [stderr]   --> src/objects/ai.rs:31:13
Nov 28 14:15:17.833 INFO [stderr]    |
Nov 28 14:15:17.833 INFO [stderr] 31 |         let mut possible = Vec::<[(i64, i64); 4]>::new();
Nov 28 14:15:17.833 INFO [stderr]    |             ----^^^^^^^^
Nov 28 14:15:17.833 INFO [stderr]    |             |
Nov 28 14:15:17.833 INFO [stderr]    |             help: remove this `mut`
Nov 28 14:15:17.833 INFO [stderr]    |
Nov 28 14:15:17.833 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 14:15:17.833 INFO [stderr] 
Nov 28 14:15:17.960 INFO [stderr] warning: unused variable: `direction`
Nov 28 14:15:17.960 INFO [stderr]   --> src/objects/ai.rs:19:17
Nov 28 14:15:17.960 INFO [stderr]    |
Nov 28 14:15:17.960 INFO [stderr] 19 |             let direction = self.get_possible_directions(positions);
Nov 28 14:15:17.960 INFO [stderr]    |                 ^^^^^^^^^ help: consider using `_direction` instead
Nov 28 14:15:17.960 INFO [stderr]    |
Nov 28 14:15:17.960 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 14:15:17.960 INFO [stderr] 
Nov 28 14:15:17.980 INFO [stderr] warning: variable does not need to be mutable
Nov 28 14:15:17.980 INFO [stderr]   --> src/objects/ai.rs:31:13
Nov 28 14:15:17.980 INFO [stderr]    |
Nov 28 14:15:17.980 INFO [stderr] 31 |         let mut possible = Vec::<[(i64, i64); 4]>::new();
Nov 28 14:15:17.980 INFO [stderr]    |             ----^^^^^^^^
Nov 28 14:15:17.980 INFO [stderr]    |             |
Nov 28 14:15:17.980 INFO [stderr]    |             help: remove this `mut`
Nov 28 14:15:17.980 INFO [stderr]    |
Nov 28 14:15:17.980 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 14:15:17.980 INFO [stderr] 
Nov 28 14:15:18.012 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
Nov 28 14:15:18.014 INFO [stderr] su: No module specific data is present
Nov 28 14:15:18.402 INFO running `"docker" "inspect" "3624646b36607e45a21562407bb5e1e3ca56139f526c46102c9d35fd6942690b"`
Nov 28 14:15:18.658 INFO running `"docker" "rm" "-f" "3624646b36607e45a21562407bb5e1e3ca56139f526c46102c9d35fd6942690b"`
Nov 28 14:15:18.924 INFO [stdout] 3624646b36607e45a21562407bb5e1e3ca56139f526c46102c9d35fd6942690b