Dec 19 17:11:03.791 INFO checking evanhackett/CS_410P_chip8 against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 17:11:03.791 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/evanhackett/CS_410P_chip8:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 17:11:04.262 INFO [stdout] 443a012fd2d05848e3e80fe17096ea6f899f793176f215d094096f2ff1ca47de
Dec 19 17:11:04.264 INFO running `"docker" "start" "-a" "443a012fd2d05848e3e80fe17096ea6f899f793176f215d094096f2ff1ca47de"`
Dec 19 17:11:05.926 INFO [stderr]    Compiling x11-dl v2.14.0
Dec 19 17:11:05.926 INFO [stderr]    Compiling minifb v0.10.6
Dec 19 17:11:11.324 INFO [stderr]     Checking chip8 v0.1.0 (/opt/crater/workdir)
Dec 19 17:11:11.848 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 17:11:11.848 INFO [stderr]   --> src/main.rs:34:5
Dec 19 17:11:11.848 INFO [stderr]    |
Dec 19 17:11:11.848 INFO [stderr] 34 |     file.read_to_end(&mut rom_data);
Dec 19 17:11:11.848 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:11:11.848 INFO [stderr]    |
Dec 19 17:11:11.848 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 17:11:11.848 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 17:11:11.848 INFO [stderr] 
Dec 19 17:11:11.848 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 17:11:11.848 INFO [stderr]   --> src/main.rs:93:13
Dec 19 17:11:11.848 INFO [stderr]    |
Dec 19 17:11:11.848 INFO [stderr] 93 |             window.update_with_buffer(&buffer);
Dec 19 17:11:11.848 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:11:11.848 INFO [stderr]    |
Dec 19 17:11:11.848 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 17:11:11.848 INFO [stderr] 
Dec 19 17:11:11.940 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 17:11:11.940 INFO [stderr]   --> src/main.rs:34:5
Dec 19 17:11:11.940 INFO [stderr]    |
Dec 19 17:11:11.940 INFO [stderr] 34 |     file.read_to_end(&mut rom_data);
Dec 19 17:11:11.940 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:11:11.940 INFO [stderr]    |
Dec 19 17:11:11.940 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 17:11:11.940 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 17:11:11.940 INFO [stderr] 
Dec 19 17:11:11.940 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 17:11:11.940 INFO [stderr]   --> src/main.rs:93:13
Dec 19 17:11:11.940 INFO [stderr]    |
Dec 19 17:11:11.940 INFO [stderr] 93 |             window.update_with_buffer(&buffer);
Dec 19 17:11:11.940 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:11:11.940 INFO [stderr]    |
Dec 19 17:11:11.940 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 17:11:11.940 INFO [stderr] 
Dec 19 17:11:11.996 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.17s
Dec 19 17:11:13.185 INFO running `"docker" "inspect" "443a012fd2d05848e3e80fe17096ea6f899f793176f215d094096f2ff1ca47de"`
Dec 19 17:11:13.550 INFO running `"docker" "rm" "-f" "443a012fd2d05848e3e80fe17096ea6f899f793176f215d094096f2ff1ca47de"`
Dec 19 17:11:13.840 INFO [stdout] 443a012fd2d05848e3e80fe17096ea6f899f793176f215d094096f2ff1ca47de