Dec 19 21:19:11.325 INFO checking Wilfred/gameboy_emulator against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 21:19:11.325 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/Wilfred/gameboy_emulator:/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 21:19:11.837 INFO [stdout] 53bf8675f9957944114db154f10a1a49a63a8460dad2726aa6c4e37a134aca9e
Dec 19 21:19:11.839 INFO running `"docker" "start" "-a" "53bf8675f9957944114db154f10a1a49a63a8460dad2726aa6c4e37a134aca9e"`
Dec 19 21:19:14.430 INFO [stderr]     Checking gameboy_emulator v0.0.1 (/opt/crater/workdir)
Dec 19 21:19:15.354 INFO [stderr] warning: field is never used: `memory`
Dec 19 21:19:15.354 INFO [stderr]   --> src/instructions.rs:28:5
Dec 19 21:19:15.354 INFO [stderr]    |
Dec 19 21:19:15.354 INFO [stderr] 28 |     memory: [u8; 65536],
Dec 19 21:19:15.354 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 19 21:19:15.355 INFO [stderr]    |
Dec 19 21:19:15.355 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 21:19:15.355 INFO [stderr] 
Dec 19 21:19:15.537 INFO [stderr] warning: field is never used: `memory`
Dec 19 21:19:15.538 INFO [stderr]   --> src/instructions.rs:28:5
Dec 19 21:19:15.538 INFO [stderr]    |
Dec 19 21:19:15.538 INFO [stderr] 28 |     memory: [u8; 65536],
Dec 19 21:19:15.538 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 19 21:19:15.538 INFO [stderr]    |
Dec 19 21:19:15.539 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 21:19:15.539 INFO [stderr] 
Dec 19 21:19:15.543 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 21:19:15.543 INFO [stderr]    --> src/instructions.rs:450:5
Dec 19 21:19:15.543 INFO [stderr]     |
Dec 19 21:19:15.543 INFO [stderr] 450 |     step(&mut cpu, Nop);
Dec 19 21:19:15.544 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
Dec 19 21:19:15.544 INFO [stderr]     |
Dec 19 21:19:15.544 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 21:19:15.545 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 21:19:15.545 INFO [stderr] 
Dec 19 21:19:15.545 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 21:19:15.546 INFO [stderr]    --> src/instructions.rs:460:5
Dec 19 21:19:15.546 INFO [stderr]     |
Dec 19 21:19:15.546 INFO [stderr] 460 |     step(&mut cpu, Increment(Operand8::Register(A)));
Dec 19 21:19:15.546 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:19:15.547 INFO [stderr]     |
Dec 19 21:19:15.547 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 21:19:15.547 INFO [stderr] 
Dec 19 21:19:15.548 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 21:19:15.548 INFO [stderr]    --> src/instructions.rs:473:5
Dec 19 21:19:15.548 INFO [stderr]     |
Dec 19 21:19:15.549 INFO [stderr] 473 |     step(&mut cpu, Increment(Operand8::Register(A)));
Dec 19 21:19:15.549 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:19:15.549 INFO [stderr]     |
Dec 19 21:19:15.549 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 21:19:15.549 INFO [stderr] 
Dec 19 21:19:15.551 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 21:19:15.551 INFO [stderr]    --> src/instructions.rs:530:5
Dec 19 21:19:15.551 INFO [stderr]     |
Dec 19 21:19:15.551 INFO [stderr] 530 |     step(&mut cpu, decode(&bytes, 0).unwrap());
Dec 19 21:19:15.551 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:19:15.551 INFO [stderr]     |
Dec 19 21:19:15.551 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 21:19:15.551 INFO [stderr] 
Dec 19 21:19:15.604 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
Dec 19 21:19:17.105 INFO running `"docker" "inspect" "53bf8675f9957944114db154f10a1a49a63a8460dad2726aa6c4e37a134aca9e"`
Dec 19 21:19:17.506 INFO running `"docker" "rm" "-f" "53bf8675f9957944114db154f10a1a49a63a8460dad2726aa6c4e37a134aca9e"`
Dec 19 21:19:17.816 INFO [stdout] 53bf8675f9957944114db154f10a1a49a63a8460dad2726aa6c4e37a134aca9e