Dec 19 17:11:04.335 INFO checking evanhackett/CS_410P_chip8 against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 17:11:04.335 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-6/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 17:11:04.789 INFO [stdout] 26f2d12c481655f990b8bd5b30ebe8e7d5523bee9759c44b10325a0a5a89fafd
Dec 19 17:11:04.791 INFO running `"docker" "start" "-a" "26f2d12c481655f990b8bd5b30ebe8e7d5523bee9759c44b10325a0a5a89fafd"`
Dec 19 17:11:06.822 INFO [stderr]    Compiling x11-dl v2.14.0
Dec 19 17:11:06.822 INFO [stderr]    Compiling minifb v0.10.6
Dec 19 17:11:12.220 INFO [stderr]     Checking chip8 v0.1.0 (/opt/crater/workdir)
Dec 19 17:11:12.601 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 17:11:12.601 INFO [stderr]   --> src/main.rs:34:5
Dec 19 17:11:12.601 INFO [stderr]    |
Dec 19 17:11:12.601 INFO [stderr] 34 |     file.read_to_end(&mut rom_data);
Dec 19 17:11:12.601 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:11:12.601 INFO [stderr]    |
Dec 19 17:11:12.601 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 17:11:12.601 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 17:11:12.601 INFO [stderr] 
Dec 19 17:11:12.601 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 17:11:12.601 INFO [stderr]   --> src/main.rs:93:13
Dec 19 17:11:12.601 INFO [stderr]    |
Dec 19 17:11:12.601 INFO [stderr] 93 |             window.update_with_buffer(&buffer);
Dec 19 17:11:12.601 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:11:12.601 INFO [stderr]    |
Dec 19 17:11:12.601 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 17:11:12.601 INFO [stderr] 
Dec 19 17:11:12.804 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 17:11:12.804 INFO [stderr]   --> src/main.rs:34:5
Dec 19 17:11:12.804 INFO [stderr]    |
Dec 19 17:11:12.804 INFO [stderr] 34 |     file.read_to_end(&mut rom_data);
Dec 19 17:11:12.804 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:11:12.804 INFO [stderr]    |
Dec 19 17:11:12.804 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 17:11:12.804 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 17:11:12.804 INFO [stderr] 
Dec 19 17:11:12.804 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 17:11:12.804 INFO [stderr]   --> src/main.rs:93:13
Dec 19 17:11:12.804 INFO [stderr]    |
Dec 19 17:11:12.804 INFO [stderr] 93 |             window.update_with_buffer(&buffer);
Dec 19 17:11:12.804 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:11:12.804 INFO [stderr]    |
Dec 19 17:11:12.804 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 17:11:12.804 INFO [stderr] 
Dec 19 17:11:12.837 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.12s
Dec 19 17:11:13.534 INFO running `"docker" "inspect" "26f2d12c481655f990b8bd5b30ebe8e7d5523bee9759c44b10325a0a5a89fafd"`
Dec 19 17:11:13.882 INFO running `"docker" "rm" "-f" "26f2d12c481655f990b8bd5b30ebe8e7d5523bee9759c44b10325a0a5a89fafd"`
Dec 19 17:11:14.156 INFO [stdout] 26f2d12c481655f990b8bd5b30ebe8e7d5523bee9759c44b10325a0a5a89fafd