Dec 19 21:19:17.903 INFO checking Wilfred/gameboy_emulator against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 21:19:17.903 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/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 21:19:18.500 INFO [stdout] 090e7ade0db9c89eb897b49c2c9abd5ee8cd85d9bdc8943eb58cc0ce18f57670
Dec 19 21:19:18.500 INFO running `"docker" "start" "-a" "090e7ade0db9c89eb897b49c2c9abd5ee8cd85d9bdc8943eb58cc0ce18f57670"`
Dec 19 21:19:20.752 INFO [stderr]     Checking gameboy_emulator v0.0.1 (/opt/crater/workdir)
Dec 19 21:19:21.529 INFO [stderr] warning: field is never used: `memory`
Dec 19 21:19:21.529 INFO [stderr]   --> src/instructions.rs:28:5
Dec 19 21:19:21.529 INFO [stderr]    |
Dec 19 21:19:21.529 INFO [stderr] 28 |     memory: [u8; 65536],
Dec 19 21:19:21.529 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 19 21:19:21.529 INFO [stderr]    |
Dec 19 21:19:21.529 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 21:19:21.529 INFO [stderr] 
Dec 19 21:19:21.661 INFO [stderr] warning: field is never used: `memory`
Dec 19 21:19:21.661 INFO [stderr]   --> src/instructions.rs:28:5
Dec 19 21:19:21.661 INFO [stderr]    |
Dec 19 21:19:21.661 INFO [stderr] 28 |     memory: [u8; 65536],
Dec 19 21:19:21.661 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 19 21:19:21.661 INFO [stderr]    |
Dec 19 21:19:21.661 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 21:19:21.661 INFO [stderr] 
Dec 19 21:19:21.665 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 21:19:21.665 INFO [stderr]    --> src/instructions.rs:450:5
Dec 19 21:19:21.665 INFO [stderr]     |
Dec 19 21:19:21.665 INFO [stderr] 450 |     step(&mut cpu, Nop);
Dec 19 21:19:21.665 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
Dec 19 21:19:21.665 INFO [stderr]     |
Dec 19 21:19:21.665 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 21:19:21.665 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 21:19:21.665 INFO [stderr] 
Dec 19 21:19:21.666 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 21:19:21.666 INFO [stderr]    --> src/instructions.rs:460:5
Dec 19 21:19:21.666 INFO [stderr]     |
Dec 19 21:19:21.666 INFO [stderr] 460 |     step(&mut cpu, Increment(Operand8::Register(A)));
Dec 19 21:19:21.666 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:19:21.666 INFO [stderr]     |
Dec 19 21:19:21.666 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 21:19:21.666 INFO [stderr] 
Dec 19 21:19:21.667 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 21:19:21.667 INFO [stderr]    --> src/instructions.rs:473:5
Dec 19 21:19:21.667 INFO [stderr]     |
Dec 19 21:19:21.667 INFO [stderr] 473 |     step(&mut cpu, Increment(Operand8::Register(A)));
Dec 19 21:19:21.667 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:19:21.668 INFO [stderr]     |
Dec 19 21:19:21.668 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 21:19:21.668 INFO [stderr] 
Dec 19 21:19:21.670 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 21:19:21.670 INFO [stderr]    --> src/instructions.rs:530:5
Dec 19 21:19:21.670 INFO [stderr]     |
Dec 19 21:19:21.670 INFO [stderr] 530 |     step(&mut cpu, decode(&bytes, 0).unwrap());
Dec 19 21:19:21.670 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:19:21.671 INFO [stderr]     |
Dec 19 21:19:21.671 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 21:19:21.671 INFO [stderr] 
Dec 19 21:19:21.723 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
Dec 19 21:19:22.968 INFO running `"docker" "inspect" "090e7ade0db9c89eb897b49c2c9abd5ee8cd85d9bdc8943eb58cc0ce18f57670"`
Dec 19 21:19:23.384 INFO running `"docker" "rm" "-f" "090e7ade0db9c89eb897b49c2c9abd5ee8cd85d9bdc8943eb58cc0ce18f57670"`
Dec 19 21:19:23.796 INFO [stdout] 090e7ade0db9c89eb897b49c2c9abd5ee8cd85d9bdc8943eb58cc0ce18f57670