Dec 11 20:19:01.047 INFO checking cwmiller/rustboy against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 20:19:01.047 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 11 20:19:01.449 INFO [stdout] 9f851757ea963619ca1e357462b0584220b523e92354a64997ea04f7f3ffc867
Dec 11 20:19:01.451 INFO running `"docker" "start" "-a" "9f851757ea963619ca1e357462b0584220b523e92354a64997ea04f7f3ffc867"`
Dec 11 20:19:02.437 INFO [stderr] usermod: no changes
Dec 11 20:19:02.574 INFO [stderr]     Checking dylib v0.0.1
Dec 11 20:19:03.016 INFO [stderr]     Checking x11-dl v2.2.1
Dec 11 20:19:07.177 INFO [stderr]     Checking minifb v0.9.1
Dec 11 20:19:07.998 INFO [stderr]     Checking rustboy v0.1.0 (/source)
Dec 11 20:19:09.744 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 11 20:19:09.745 INFO [stderr]   --> src/cartridge/mbc1.rs:75:31
Dec 11 20:19:09.745 INFO [stderr]    |
Dec 11 20:19:09.745 INFO [stderr] 75 |             ram_data: vec![0; (ram_banks * 0x2000)],
Dec 11 20:19:09.746 INFO [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 11 20:19:09.746 INFO [stderr]    |
Dec 11 20:19:09.746 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 11 20:19:09.746 INFO [stderr] 
Dec 11 20:19:10.213 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 11 20:19:10.214 INFO [stderr]   --> src/cartridge/mbc1.rs:75:31
Dec 11 20:19:10.214 INFO [stderr]    |
Dec 11 20:19:10.214 INFO [stderr] 75 |             ram_data: vec![0; (ram_banks * 0x2000)],
Dec 11 20:19:10.214 INFO [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 11 20:19:10.228 INFO [stderr]    |
Dec 11 20:19:10.228 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 11 20:19:10.228 INFO [stderr] 
Dec 11 20:19:11.197 INFO [stderr] warning: variable does not need to be mutable
Dec 11 20:19:11.197 INFO [stderr]    --> src/lcd.rs:133:43
Dec 11 20:19:11.197 INFO [stderr]     |
Dec 11 20:19:11.197 INFO [stderr] 133 |     pub fn step(&mut self, cycles: usize, mut screen_buffer: &mut [u32]) -> StepResult {
Dec 11 20:19:11.197 INFO [stderr]     |                                           ----^^^^^^^^^^^^^
Dec 11 20:19:11.197 INFO [stderr]     |                                           |
Dec 11 20:19:11.198 INFO [stderr]     |                                           help: remove this `mut`
Dec 11 20:19:11.212 INFO [stderr]     |
Dec 11 20:19:11.212 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 11 20:19:11.212 INFO [stderr] 
Dec 11 20:19:12.220 INFO [stderr] warning: variable does not need to be mutable
Dec 11 20:19:12.220 INFO [stderr]    --> src/lcd.rs:133:43
Dec 11 20:19:12.220 INFO [stderr]     |
Dec 11 20:19:12.220 INFO [stderr] 133 |     pub fn step(&mut self, cycles: usize, mut screen_buffer: &mut [u32]) -> StepResult {
Dec 11 20:19:12.220 INFO [stderr]     |                                           ----^^^^^^^^^^^^^
Dec 11 20:19:12.220 INFO [stderr]     |                                           |
Dec 11 20:19:12.220 INFO [stderr]     |                                           help: remove this `mut`
Dec 11 20:19:12.220 INFO [stderr]     |
Dec 11 20:19:12.220 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 11 20:19:12.220 INFO [stderr] 
Dec 11 20:19:12.412 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.93s
Dec 11 20:19:12.412 INFO [stderr] su: No module specific data is present
Dec 11 20:19:13.421 INFO running `"docker" "inspect" "9f851757ea963619ca1e357462b0584220b523e92354a64997ea04f7f3ffc867"`
Dec 11 20:19:13.602 INFO running `"docker" "rm" "-f" "9f851757ea963619ca1e357462b0584220b523e92354a64997ea04f7f3ffc867"`
Dec 11 20:19:13.756 INFO [stdout] 9f851757ea963619ca1e357462b0584220b523e92354a64997ea04f7f3ffc867