Dec 04 13:33:35.839 INFO checking mxbrt/rust-chip-8 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 13:33:35.839 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 04 13:33:36.119 INFO [stdout] fbb96249c7b8b241f8b669adb3c91969dee399291cf98cb895f2ba0ab77ab856
Dec 04 13:33:36.124 INFO running `"docker" "start" "-a" "fbb96249c7b8b241f8b669adb3c91969dee399291cf98cb895f2ba0ab77ab856"`
Dec 04 13:33:36.683 INFO [stderr] usermod: no changes
Dec 04 13:33:36.757 INFO [stderr]     Checking rust-chip-8 v0.1.0 (/source)
Dec 04 13:33:37.114 INFO [stderr] warning: unused variable: `chip`
Dec 04 13:33:37.114 INFO [stderr]   --> src/main.rs:97:13
Dec 04 13:33:37.114 INFO [stderr]    |
Dec 04 13:33:37.114 INFO [stderr] 97 |     let mut chip = Chip8::new(game_path);
Dec 04 13:33:37.114 INFO [stderr]    |             ^^^^ help: consider using `_chip` instead
Dec 04 13:33:37.114 INFO [stderr]    |
Dec 04 13:33:37.114 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 13:33:37.114 INFO [stderr] 
Dec 04 13:33:37.122 INFO [stderr] warning: variable does not need to be mutable
Dec 04 13:33:37.122 INFO [stderr]   --> src/main.rs:97:9
Dec 04 13:33:37.122 INFO [stderr]    |
Dec 04 13:33:37.122 INFO [stderr] 97 |     let mut chip = Chip8::new(game_path);
Dec 04 13:33:37.122 INFO [stderr]    |         ----^^^^
Dec 04 13:33:37.122 INFO [stderr]    |         |
Dec 04 13:33:37.122 INFO [stderr]    |         help: remove this `mut`
Dec 04 13:33:37.122 INFO [stderr]    |
Dec 04 13:33:37.122 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 13:33:37.122 INFO [stderr] 
Dec 04 13:33:37.122 INFO [stderr] warning: field is never used: `stack`
Dec 04 13:33:37.122 INFO [stderr]   --> src/main.rs:13:5
Dec 04 13:33:37.122 INFO [stderr]    |
Dec 04 13:33:37.122 INFO [stderr] 13 |     stack: [usize; 16],
Dec 04 13:33:37.122 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 04 13:33:37.122 INFO [stderr]    |
Dec 04 13:33:37.122 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 13:33:37.122 INFO [stderr] 
Dec 04 13:33:37.122 INFO [stderr] warning: field is never used: `v`
Dec 04 13:33:37.122 INFO [stderr]   --> src/main.rs:14:5
Dec 04 13:33:37.122 INFO [stderr]    |
Dec 04 13:33:37.122 INFO [stderr] 14 |     v: [u8; 16], // registers
Dec 04 13:33:37.122 INFO [stderr]    |     ^^^^^^^^^^^
Dec 04 13:33:37.122 INFO [stderr] 
Dec 04 13:33:37.122 INFO [stderr] warning: field is never used: `i`
Dec 04 13:33:37.122 INFO [stderr]   --> src/main.rs:15:5
Dec 04 13:33:37.122 INFO [stderr]    |
Dec 04 13:33:37.122 INFO [stderr] 15 |     i: u16, // I register
Dec 04 13:33:37.122 INFO [stderr]    |     ^^^^^^
Dec 04 13:33:37.122 INFO [stderr] 
Dec 04 13:33:37.122 INFO [stderr] warning: field is never used: `timers`
Dec 04 13:33:37.122 INFO [stderr]   --> src/main.rs:16:5
Dec 04 13:33:37.122 INFO [stderr]    |
Dec 04 13:33:37.122 INFO [stderr] 16 |     timers: [u16; 2], // Delay and Sound timers
Dec 04 13:33:37.122 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 04 13:33:37.122 INFO [stderr] 
Dec 04 13:33:37.122 INFO [stderr] warning: field is never used: `pc`
Dec 04 13:33:37.122 INFO [stderr]   --> src/main.rs:17:5
Dec 04 13:33:37.122 INFO [stderr]    |
Dec 04 13:33:37.122 INFO [stderr] 17 |     pc: usize, // program counter
Dec 04 13:33:37.122 INFO [stderr]    |     ^^^^^^^^^
Dec 04 13:33:37.122 INFO [stderr] 
Dec 04 13:33:37.122 INFO [stderr] warning: field is never used: `sp`
Dec 04 13:33:37.122 INFO [stderr]   --> src/main.rs:18:5
Dec 04 13:33:37.123 INFO [stderr]    |
Dec 04 13:33:37.123 INFO [stderr] 18 |     sp: usize, // stack pointer
Dec 04 13:33:37.123 INFO [stderr]    |     ^^^^^^^^^
Dec 04 13:33:37.123 INFO [stderr] 
Dec 04 13:33:37.123 INFO [stderr] warning: field is never used: `buf`
Dec 04 13:33:37.123 INFO [stderr]   --> src/main.rs:19:5
Dec 04 13:33:37.123 INFO [stderr]    |
Dec 04 13:33:37.123 INFO [stderr] 19 |     buf: [bool; ROWS*COLS], // display buffer
Dec 04 13:33:37.123 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 04 13:33:37.123 INFO [stderr] 
Dec 04 13:33:37.123 INFO [stderr] warning: method is never used: `cpu_step`
Dec 04 13:33:37.123 INFO [stderr]   --> src/main.rs:43:5
Dec 04 13:33:37.123 INFO [stderr]    |
Dec 04 13:33:37.123 INFO [stderr] 43 |     fn cpu_step(&mut self) {
Dec 04 13:33:37.123 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 04 13:33:37.123 INFO [stderr] 
Dec 04 13:33:37.223 INFO [stderr] warning: unused variable: `chip`
Dec 04 13:33:37.223 INFO [stderr]   --> src/main.rs:97:13
Dec 04 13:33:37.223 INFO [stderr]    |
Dec 04 13:33:37.223 INFO [stderr] 97 |     let mut chip = Chip8::new(game_path);
Dec 04 13:33:37.223 INFO [stderr]    |             ^^^^ help: consider using `_chip` instead
Dec 04 13:33:37.223 INFO [stderr]    |
Dec 04 13:33:37.223 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 13:33:37.223 INFO [stderr] 
Dec 04 13:33:37.230 INFO [stderr] warning: variable does not need to be mutable
Dec 04 13:33:37.230 INFO [stderr]   --> src/main.rs:97:9
Dec 04 13:33:37.230 INFO [stderr]    |
Dec 04 13:33:37.230 INFO [stderr] 97 |     let mut chip = Chip8::new(game_path);
Dec 04 13:33:37.230 INFO [stderr]    |         ----^^^^
Dec 04 13:33:37.230 INFO [stderr]    |         |
Dec 04 13:33:37.230 INFO [stderr]    |         help: remove this `mut`
Dec 04 13:33:37.230 INFO [stderr]    |
Dec 04 13:33:37.230 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 13:33:37.230 INFO [stderr] 
Dec 04 13:33:37.230 INFO [stderr] warning: field is never used: `stack`
Dec 04 13:33:37.230 INFO [stderr]   --> src/main.rs:13:5
Dec 04 13:33:37.230 INFO [stderr]    |
Dec 04 13:33:37.230 INFO [stderr] 13 |     stack: [usize; 16],
Dec 04 13:33:37.230 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 04 13:33:37.231 INFO [stderr]    |
Dec 04 13:33:37.231 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 13:33:37.231 INFO [stderr] 
Dec 04 13:33:37.231 INFO [stderr] warning: field is never used: `v`
Dec 04 13:33:37.231 INFO [stderr]   --> src/main.rs:14:5
Dec 04 13:33:37.231 INFO [stderr]    |
Dec 04 13:33:37.231 INFO [stderr] 14 |     v: [u8; 16], // registers
Dec 04 13:33:37.231 INFO [stderr]    |     ^^^^^^^^^^^
Dec 04 13:33:37.231 INFO [stderr] 
Dec 04 13:33:37.231 INFO [stderr] warning: field is never used: `i`
Dec 04 13:33:37.231 INFO [stderr]   --> src/main.rs:15:5
Dec 04 13:33:37.231 INFO [stderr]    |
Dec 04 13:33:37.231 INFO [stderr] 15 |     i: u16, // I register
Dec 04 13:33:37.231 INFO [stderr]    |     ^^^^^^
Dec 04 13:33:37.231 INFO [stderr] 
Dec 04 13:33:37.231 INFO [stderr] warning: field is never used: `timers`
Dec 04 13:33:37.231 INFO [stderr]   --> src/main.rs:16:5
Dec 04 13:33:37.231 INFO [stderr]    |
Dec 04 13:33:37.231 INFO [stderr] 16 |     timers: [u16; 2], // Delay and Sound timers
Dec 04 13:33:37.231 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 04 13:33:37.231 INFO [stderr] 
Dec 04 13:33:37.231 INFO [stderr] warning: field is never used: `pc`
Dec 04 13:33:37.231 INFO [stderr]   --> src/main.rs:17:5
Dec 04 13:33:37.231 INFO [stderr]    |
Dec 04 13:33:37.231 INFO [stderr] 17 |     pc: usize, // program counter
Dec 04 13:33:37.231 INFO [stderr]    |     ^^^^^^^^^
Dec 04 13:33:37.231 INFO [stderr] 
Dec 04 13:33:37.231 INFO [stderr] warning: field is never used: `sp`
Dec 04 13:33:37.231 INFO [stderr]   --> src/main.rs:18:5
Dec 04 13:33:37.231 INFO [stderr]    |
Dec 04 13:33:37.231 INFO [stderr] 18 |     sp: usize, // stack pointer
Dec 04 13:33:37.231 INFO [stderr]    |     ^^^^^^^^^
Dec 04 13:33:37.231 INFO [stderr] 
Dec 04 13:33:37.231 INFO [stderr] warning: field is never used: `buf`
Dec 04 13:33:37.231 INFO [stderr]   --> src/main.rs:19:5
Dec 04 13:33:37.231 INFO [stderr]    |
Dec 04 13:33:37.231 INFO [stderr] 19 |     buf: [bool; ROWS*COLS], // display buffer
Dec 04 13:33:37.231 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 04 13:33:37.231 INFO [stderr] 
Dec 04 13:33:37.231 INFO [stderr] warning: method is never used: `cpu_step`
Dec 04 13:33:37.231 INFO [stderr]   --> src/main.rs:43:5
Dec 04 13:33:37.231 INFO [stderr]    |
Dec 04 13:33:37.231 INFO [stderr] 43 |     fn cpu_step(&mut self) {
Dec 04 13:33:37.231 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 04 13:33:37.231 INFO [stderr] 
Dec 04 13:33:37.242 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
Dec 04 13:33:37.244 INFO [stderr] su: No module specific data is present
Dec 04 13:33:37.897 INFO running `"docker" "inspect" "fbb96249c7b8b241f8b669adb3c91969dee399291cf98cb895f2ba0ab77ab856"`
Dec 04 13:33:38.109 INFO running `"docker" "rm" "-f" "fbb96249c7b8b241f8b669adb3c91969dee399291cf98cb895f2ba0ab77ab856"`
Dec 04 13:33:38.322 INFO [stdout] fbb96249c7b8b241f8b669adb3c91969dee399291cf98cb895f2ba0ab77ab856