Dec 19 22:27:11.659 INFO checking PanDeliverance/rsnek against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 22:27:11.659 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/PanDeliverance/rsnek:/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 22:27:12.045 INFO [stdout] 3a1583dc7263cde9326593d17def63e05a98b8d7992558c5cdece06d5b28853f
Dec 19 22:27:12.050 INFO running `"docker" "start" "-a" "3a1583dc7263cde9326593d17def63e05a98b8d7992558c5cdece06d5b28853f"`
Dec 19 22:27:14.476 INFO [stderr]    Compiling num-derive v0.2.3
Dec 19 22:27:14.481 INFO [stderr]    Compiling derivative v1.0.1
Dec 19 22:27:14.485 INFO [stderr]     Checking pistoncore-input v0.21.0
Dec 19 22:27:14.504 INFO [stderr]     Checking winit v0.17.2
Dec 19 22:27:19.024 INFO [stderr]     Checking glutin v0.18.0
Dec 19 22:27:21.564 INFO [stderr]     Checking pistoncore-window v0.32.0
Dec 19 22:27:23.464 INFO [stderr]     Checking gfx_core v0.8.3
Dec 19 22:27:23.772 INFO [stderr]     Checking tiff v0.2.1
Dec 19 22:27:24.802 INFO [stderr]     Checking image v0.20.1
Dec 19 22:27:25.314 INFO [stderr]     Checking pistoncore-event_loop v0.37.0
Dec 19 22:27:25.314 INFO [stderr]     Checking pistoncore-glutin_window v0.48.0
Dec 19 22:27:26.480 INFO [stderr]     Checking piston v0.37.0
Dec 19 22:27:48.160 INFO [stderr]     Checking gfx v0.17.1
Dec 19 22:27:48.160 INFO [stderr]     Checking gfx_device_gl v0.15.3
Dec 19 22:27:54.582 INFO [stderr]     Checking piston-gfx_texture v0.34.0
Dec 19 22:27:55.952 INFO [stderr]     Checking piston2d-gfx_graphics v0.52.0
Dec 19 22:27:58.557 INFO [stderr]     Checking piston_window v0.82.0
Dec 19 22:28:00.522 INFO [stderr]     Checking rsnek v0.1.0 (/opt/crater/workdir)
Dec 19 22:28:02.457 INFO [stderr] warning: unused import: `rectangle`
Dec 19 22:28:02.457 INFO [stderr]  --> src/snake.rs:2:21
Dec 19 22:28:02.457 INFO [stderr]   |
Dec 19 22:28:02.457 INFO [stderr] 2 | use piston_window::{rectangle, Context, G2d};
Dec 19 22:28:02.457 INFO [stderr]   |                     ^^^^^^^^^
Dec 19 22:28:02.457 INFO [stderr]   |
Dec 19 22:28:02.457 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 22:28:02.457 INFO [stderr] 
Dec 19 22:28:02.800 INFO [stderr] warning: unused import: `rectangle`
Dec 19 22:28:02.800 INFO [stderr]  --> src/snake.rs:2:21
Dec 19 22:28:02.800 INFO [stderr]   |
Dec 19 22:28:02.800 INFO [stderr] 2 | use piston_window::{rectangle, Context, G2d};
Dec 19 22:28:02.800 INFO [stderr]   |                     ^^^^^^^^^
Dec 19 22:28:02.800 INFO [stderr]   |
Dec 19 22:28:02.800 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 22:28:02.800 INFO [stderr] 
Dec 19 22:28:03.056 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.02s
Dec 19 22:28:04.027 INFO running `"docker" "inspect" "3a1583dc7263cde9326593d17def63e05a98b8d7992558c5cdece06d5b28853f"`
Dec 19 22:28:04.246 INFO running `"docker" "rm" "-f" "3a1583dc7263cde9326593d17def63e05a98b8d7992558c5cdece06d5b28853f"`
Dec 19 22:28:04.572 INFO [stdout] 3a1583dc7263cde9326593d17def63e05a98b8d7992558c5cdece06d5b28853f