Dec 18 03:47:45.845 INFO checking ashfordneil/2048-rust against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 03:47:45.845 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/ashfordneil/2048-rust:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 03:47:46.236 INFO [stdout] bc75bd7f9fb8b4bbf4f7b8b9bba4145ba2a66bf373524b4988fb58df2c81af91
Dec 18 03:47:46.240 INFO running `"docker" "start" "-a" "bc75bd7f9fb8b4bbf4f7b8b9bba4145ba2a66bf373524b4988fb58df2c81af91"`
Dec 18 03:47:47.548 INFO [stderr]     Checking termion v1.1.4
Dec 18 03:47:47.548 INFO [stderr]     Checking itertools v0.5.8
Dec 18 03:47:49.588 INFO [stderr]     Checking 2048 v0.1.0 (/opt/crater/workdir)
Dec 18 03:47:49.889 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 18 03:47:49.889 INFO [stderr]   --> src/board.rs:70:32
Dec 18 03:47:49.889 INFO [stderr]    |
Dec 18 03:47:49.889 INFO [stderr] 70 |                       Digit(Some((((index / BOARD_WIDTH as usize / BOARD_WIDTH as usize %
Dec 18 03:47:49.889 INFO [stderr]    |  ________________________________^
Dec 18 03:47:49.889 INFO [stderr] 71 | |                                   2) as u8))));
Dec 18 03:47:49.889 INFO [stderr]    | |____________________________________________^
Dec 18 03:47:49.889 INFO [stderr]    |
Dec 18 03:47:49.889 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 18 03:47:49.889 INFO [stderr] help: remove these parentheses
Dec 18 03:47:49.889 INFO [stderr]    |
Dec 18 03:47:49.889 INFO [stderr] 70 |                     Digit(Some(((index / BOARD_WIDTH as usize / BOARD_WIDTH as usize %
Dec 18 03:47:49.889 INFO [stderr] 71 |                                   2) as u8)));
Dec 18 03:47:49.889 INFO [stderr]    |
Dec 18 03:47:49.889 INFO [stderr] 
Dec 18 03:47:49.894 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 18 03:47:49.894 INFO [stderr]   --> src/board.rs:70:32
Dec 18 03:47:49.894 INFO [stderr]    |
Dec 18 03:47:49.894 INFO [stderr] 70 |                       Digit(Some((((index / BOARD_WIDTH as usize / BOARD_WIDTH as usize %
Dec 18 03:47:49.894 INFO [stderr]    |  ________________________________^
Dec 18 03:47:49.894 INFO [stderr] 71 | |                                   2) as u8))));
Dec 18 03:47:49.894 INFO [stderr]    | |____________________________________________^
Dec 18 03:47:49.894 INFO [stderr]    |
Dec 18 03:47:49.894 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 18 03:47:49.894 INFO [stderr] help: remove these parentheses
Dec 18 03:47:49.894 INFO [stderr]    |
Dec 18 03:47:49.894 INFO [stderr] 70 |                     Digit(Some(((index / BOARD_WIDTH as usize / BOARD_WIDTH as usize %
Dec 18 03:47:49.894 INFO [stderr] 71 |                                   2) as u8)));
Dec 18 03:47:49.894 INFO [stderr]    |
Dec 18 03:47:49.894 INFO [stderr] 
Dec 18 03:47:50.081 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.57s
Dec 18 03:47:50.463 INFO running `"docker" "inspect" "bc75bd7f9fb8b4bbf4f7b8b9bba4145ba2a66bf373524b4988fb58df2c81af91"`
Dec 18 03:47:50.663 INFO running `"docker" "rm" "-f" "bc75bd7f9fb8b4bbf4f7b8b9bba4145ba2a66bf373524b4988fb58df2c81af91"`
Dec 18 03:47:50.808 INFO [stdout] bc75bd7f9fb8b4bbf4f7b8b9bba4145ba2a66bf373524b4988fb58df2c81af91