Dec 19 19:37:38.041 INFO checking bpglaser/rusty_worm against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 19:37:38.041 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/bpglaser/rusty_worm:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 19:37:38.603 INFO [stdout] 02a070a1a50871b327f7795461c2bde2e19a285440d62caf7a91b9762bece8fe
Dec 19 19:37:38.634 INFO running `"docker" "start" "-a" "02a070a1a50871b327f7795461c2bde2e19a285440d62caf7a91b9762bece8fe"`
Dec 19 19:37:40.092 INFO [stderr]    Compiling libc v0.2.19
Dec 19 19:37:40.096 INFO [stderr]    Compiling serde v0.8.22
Dec 19 19:37:40.100 INFO [stderr]     Checking adler32 v0.3.0
Dec 19 19:37:40.100 INFO [stderr]     Checking shader_version v0.2.1
Dec 19 19:37:40.105 INFO [stderr]     Checking shared_library v0.1.5
Dec 19 19:37:40.105 INFO [stderr]     Checking time v0.1.36
Dec 19 19:37:40.105 INFO [stderr]     Checking enum_primitive v0.1.1
Dec 19 19:37:40.105 INFO [stderr]     Checking gif v0.9.0
Dec 19 19:37:40.477 INFO [stderr]     Checking nodrop v0.1.8
Dec 19 19:37:40.666 INFO [stderr]     Checking stb_truetype v0.2.0
Dec 19 19:37:40.705 INFO [stderr]     Checking deque v0.3.1
Dec 19 19:37:40.768 INFO [stderr]     Checking num-bigint v0.1.35
Dec 19 19:37:41.044 INFO [stderr]     Checking pistoncore-input v0.15.0
Dec 19 19:37:41.073 INFO [stderr]     Checking gfx_core v0.5.1
Dec 19 19:37:41.620 INFO [stderr]     Checking osmesa-sys v0.1.2
Dec 19 19:37:41.670 INFO [stderr]     Checking deflate v0.7.2
Dec 19 19:37:41.704 INFO [stderr]    Compiling gl v0.6.1
Dec 19 19:37:42.016 INFO [stderr]    Compiling glutin v0.7.2
Dec 19 19:37:42.875 INFO [stderr]     Checking x11-dl v2.12.0
Dec 19 19:37:42.907 INFO [stderr]     Checking arrayvec v0.3.20
Dec 19 19:37:44.133 INFO [stderr]     Checking rayon v0.6.0
Dec 19 19:37:48.999 INFO [stderr]    Compiling rand v0.3.15
Dec 19 19:37:48.999 INFO [stderr]     Checking num-rational v0.1.35
Dec 19 19:37:49.820 INFO [stderr]     Checking fs2 v0.2.5
Dec 19 19:37:50.313 INFO [stderr]     Checking tempfile v2.1.4
Dec 19 19:37:50.488 INFO [stderr]     Checking rusttype v0.2.1
Dec 19 19:37:51.067 INFO [stderr]     Checking png v0.6.2
Dec 19 19:37:51.344 INFO [stderr]     Checking pistoncore-window v0.24.0
Dec 19 19:37:52.837 INFO [stderr]     Checking memmap v0.4.0
Dec 19 19:37:53.088 INFO [stderr]     Checking jpeg-decoder v0.1.11
Dec 19 19:37:56.311 INFO [stderr]     Checking pistoncore-event_loop v0.27.0
Dec 19 19:37:56.577 INFO [stderr]    Compiling phf_generator v0.7.20
Dec 19 19:37:57.464 INFO [stderr]     Checking image v0.12.1
Dec 19 19:37:57.626 INFO [stderr]    Compiling phf_codegen v0.7.20
Dec 19 19:37:58.788 INFO [stderr]     Checking piston v0.27.0
Dec 19 19:37:59.044 INFO [stderr]    Compiling target_build_utils v0.1.2
Dec 19 19:38:01.244 INFO [stderr]    Compiling serde_json v0.8.4
Dec 19 19:38:14.676 INFO [stderr]    Compiling libloading v0.3.1
Dec 19 19:38:17.558 INFO [stderr]     Checking dlib v0.3.1
Dec 19 19:38:18.104 INFO [stderr]     Checking wayland-sys v0.7.6
Dec 19 19:38:18.522 INFO [stderr]     Checking wayland-client v0.7.6
Dec 19 19:38:19.597 INFO [stderr]     Checking gfx v0.13.0
Dec 19 19:38:19.597 INFO [stderr]     Checking gfx_device_gl v0.12.0
Dec 19 19:38:19.872 INFO [stderr]     Checking wayland-kbd v0.6.2
Dec 19 19:38:19.872 INFO [stderr]     Checking wayland-window v0.4.3
Dec 19 19:38:20.868 INFO [stderr]     Checking winit v0.5.7
Dec 19 19:38:23.939 INFO [stderr]     Checking pistoncore-glutin_window v0.33.0
Dec 19 19:38:24.105 INFO [stderr]     Checking piston-gfx_texture v0.20.0
Dec 19 19:38:24.696 INFO [stderr]     Checking piston2d-gfx_graphics v0.35.0
Dec 19 19:38:26.560 INFO [stderr]     Checking piston_window v0.61.0
Dec 19 19:38:27.499 INFO [stderr]     Checking rusty_worm v0.1.0 (/opt/crater/workdir)
Dec 19 19:38:28.212 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 19 19:38:28.212 INFO [stderr]   --> src/main.rs:86:51
Dec 19 19:38:28.212 INFO [stderr]    |
Dec 19 19:38:28.212 INFO [stderr] 86 |         let options: Vec<_> = (0..BOARD_SIZE).zip((0..BOARD_SIZE)).filter(|&(x, y)| !self.worm.contains(&(x,y))).collect();
Dec 19 19:38:28.212 INFO [stderr]    |                                                   ^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 19 19:38:28.212 INFO [stderr]    |
Dec 19 19:38:28.212 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 19 19:38:28.212 INFO [stderr] 
Dec 19 19:38:28.806 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 19 19:38:28.806 INFO [stderr]   --> src/main.rs:86:51
Dec 19 19:38:28.806 INFO [stderr]    |
Dec 19 19:38:28.806 INFO [stderr] 86 |         let options: Vec<_> = (0..BOARD_SIZE).zip((0..BOARD_SIZE)).filter(|&(x, y)| !self.worm.contains(&(x,y))).collect();
Dec 19 19:38:28.806 INFO [stderr]    |                                                   ^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 19 19:38:28.808 INFO [stderr]    |
Dec 19 19:38:28.809 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 19 19:38:28.812 INFO [stderr] 
Dec 19 19:38:28.993 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.14s
Dec 19 19:38:29.890 INFO running `"docker" "inspect" "02a070a1a50871b327f7795461c2bde2e19a285440d62caf7a91b9762bece8fe"`
Dec 19 19:38:30.232 INFO running `"docker" "rm" "-f" "02a070a1a50871b327f7795461c2bde2e19a285440d62caf7a91b9762bece8fe"`
Dec 19 19:38:30.574 INFO [stdout] 02a070a1a50871b327f7795461c2bde2e19a285440d62caf7a91b9762bece8fe