Oct 12 23:10:53.439 INFO checking cwmiller/rustboy against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 12 23:10:53.439 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-1/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-1/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/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 +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-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"`
Oct 12 23:10:53.715 INFO blam! 0cf074311b2f8766231b920942d38ec0f2f5e930ad5d0fc3933513f4844bf650
Oct 12 23:10:53.720 INFO running `"docker" "start" "-a" "0cf074311b2f8766231b920942d38ec0f2f5e930ad5d0fc3933513f4844bf650"`
Oct 12 23:10:54.764 INFO kablam! usermod: no changes
Oct 12 23:10:54.884 INFO kablam!     Checking dylib v0.0.1
Oct 12 23:10:54.892 INFO kablam!    Compiling minifb v0.9.1
Oct 12 23:10:55.303 INFO kablam!     Checking x11-dl v2.2.1
Oct 12 23:11:00.505 INFO kablam!     Checking rustboy v0.1.0 (/source)
Oct 12 23:11:01.849 INFO kablam! warning: unnecessary parentheses around function argument
Oct 12 23:11:01.849 INFO kablam!   --> src/cartridge/mbc1.rs:75:31
Oct 12 23:11:01.849 INFO kablam!    |
Oct 12 23:11:01.849 INFO kablam! 75 |             ram_data: vec![0; (ram_banks * 0x2000)],
Oct 12 23:11:01.849 INFO kablam!    |                               ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Oct 12 23:11:01.851 INFO kablam!    |
Oct 12 23:11:01.851 INFO kablam!    = note: #[warn(unused_parens)] on by default
Oct 12 23:11:01.851 INFO kablam! 
Oct 12 23:11:02.013 INFO kablam! warning: unnecessary parentheses around function argument
Oct 12 23:11:02.013 INFO kablam!   --> src/cartridge/mbc1.rs:75:31
Oct 12 23:11:02.013 INFO kablam!    |
Oct 12 23:11:02.014 INFO kablam! 75 |             ram_data: vec![0; (ram_banks * 0x2000)],
Oct 12 23:11:02.014 INFO kablam!    |                               ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Oct 12 23:11:02.014 INFO kablam!    |
Oct 12 23:11:02.014 INFO kablam!    = note: #[warn(unused_parens)] on by default
Oct 12 23:11:02.015 INFO kablam! 
Oct 12 23:11:02.852 INFO kablam! warning: variable does not need to be mutable
Oct 12 23:11:02.852 INFO kablam!    --> src/lcd.rs:133:43
Oct 12 23:11:02.852 INFO kablam!     |
Oct 12 23:11:02.852 INFO kablam! 133 |     pub fn step(&mut self, cycles: usize, mut screen_buffer: &mut [u32]) -> StepResult {
Oct 12 23:11:02.852 INFO kablam!     |                                           ----^^^^^^^^^^^^^
Oct 12 23:11:02.852 INFO kablam!     |                                           |
Oct 12 23:11:02.852 INFO kablam!     |                                           help: remove this `mut`
Oct 12 23:11:02.852 INFO kablam!     |
Oct 12 23:11:02.852 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 12 23:11:02.852 INFO kablam! 
Oct 12 23:11:04.008 INFO kablam! warning: variable does not need to be mutable
Oct 12 23:11:04.008 INFO kablam!    --> src/lcd.rs:133:43
Oct 12 23:11:04.008 INFO kablam!     |
Oct 12 23:11:04.008 INFO kablam! 133 |     pub fn step(&mut self, cycles: usize, mut screen_buffer: &mut [u32]) -> StepResult {
Oct 12 23:11:04.008 INFO kablam!     |                                           ----^^^^^^^^^^^^^
Oct 12 23:11:04.008 INFO kablam!     |                                           |
Oct 12 23:11:04.008 INFO kablam!     |                                           help: remove this `mut`
Oct 12 23:11:04.008 INFO kablam!     |
Oct 12 23:11:04.008 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 12 23:11:04.008 INFO kablam! 
Oct 12 23:11:04.254 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 9.46s
Oct 12 23:11:04.260 INFO kablam! su: No module specific data is present
Oct 12 23:11:05.121 INFO running `"docker" "rm" "-f" "0cf074311b2f8766231b920942d38ec0f2f5e930ad5d0fc3933513f4844bf650"`
Oct 12 23:11:05.280 INFO blam! 0cf074311b2f8766231b920942d38ec0f2f5e930ad5d0fc3933513f4844bf650