Dec 19 12:10:16.117 INFO checking mxbrt/rust-chip-8 against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 12:10:16.117 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/mxbrt/rust-chip-8:/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 12:10:16.401 INFO [stdout] 435d4a4718c4e82e3079232d185b92316d28f4354e9552c707580c90c3c74aab
Dec 19 12:10:16.416 INFO running `"docker" "start" "-a" "435d4a4718c4e82e3079232d185b92316d28f4354e9552c707580c90c3c74aab"`
Dec 19 12:10:16.967 INFO [stderr]     Checking rust-chip-8 v0.1.0 (/opt/crater/workdir)
Dec 19 12:10:17.152 INFO [stderr] warning: unused variable: `chip`
Dec 19 12:10:17.152 INFO [stderr]   --> src/main.rs:97:13
Dec 19 12:10:17.152 INFO [stderr]    |
Dec 19 12:10:17.152 INFO [stderr] 97 |     let mut chip = Chip8::new(game_path);
Dec 19 12:10:17.152 INFO [stderr]    |             ^^^^ help: consider using `_chip` instead
Dec 19 12:10:17.152 INFO [stderr]    |
Dec 19 12:10:17.152 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 12:10:17.152 INFO [stderr] 
Dec 19 12:10:17.153 INFO [stderr] warning: variable does not need to be mutable
Dec 19 12:10:17.153 INFO [stderr]   --> src/main.rs:97:9
Dec 19 12:10:17.153 INFO [stderr]    |
Dec 19 12:10:17.153 INFO [stderr] 97 |     let mut chip = Chip8::new(game_path);
Dec 19 12:10:17.153 INFO [stderr]    |         ----^^^^
Dec 19 12:10:17.154 INFO [stderr]    |         |
Dec 19 12:10:17.154 INFO [stderr]    |         help: remove this `mut`
Dec 19 12:10:17.154 INFO [stderr]    |
Dec 19 12:10:17.154 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 12:10:17.154 INFO [stderr] 
Dec 19 12:10:17.154 INFO [stderr] warning: field is never used: `stack`
Dec 19 12:10:17.154 INFO [stderr]   --> src/main.rs:13:5
Dec 19 12:10:17.154 INFO [stderr]    |
Dec 19 12:10:17.154 INFO [stderr] 13 |     stack: [usize; 16],
Dec 19 12:10:17.154 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 19 12:10:17.154 INFO [stderr]    |
Dec 19 12:10:17.154 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 12:10:17.154 INFO [stderr] 
Dec 19 12:10:17.154 INFO [stderr] warning: field is never used: `v`
Dec 19 12:10:17.154 INFO [stderr]   --> src/main.rs:14:5
Dec 19 12:10:17.154 INFO [stderr]    |
Dec 19 12:10:17.154 INFO [stderr] 14 |     v: [u8; 16], // registers
Dec 19 12:10:17.154 INFO [stderr]    |     ^^^^^^^^^^^
Dec 19 12:10:17.154 INFO [stderr] 
Dec 19 12:10:17.154 INFO [stderr] warning: field is never used: `i`
Dec 19 12:10:17.154 INFO [stderr]   --> src/main.rs:15:5
Dec 19 12:10:17.154 INFO [stderr]    |
Dec 19 12:10:17.154 INFO [stderr] 15 |     i: u16, // I register
Dec 19 12:10:17.154 INFO [stderr]    |     ^^^^^^
Dec 19 12:10:17.154 INFO [stderr] 
Dec 19 12:10:17.154 INFO [stderr] warning: field is never used: `timers`
Dec 19 12:10:17.154 INFO [stderr]   --> src/main.rs:16:5
Dec 19 12:10:17.154 INFO [stderr]    |
Dec 19 12:10:17.154 INFO [stderr] 16 |     timers: [u16; 2], // Delay and Sound timers
Dec 19 12:10:17.154 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 19 12:10:17.154 INFO [stderr] 
Dec 19 12:10:17.154 INFO [stderr] warning: field is never used: `pc`
Dec 19 12:10:17.154 INFO [stderr]   --> src/main.rs:17:5
Dec 19 12:10:17.154 INFO [stderr]    |
Dec 19 12:10:17.154 INFO [stderr] 17 |     pc: usize, // program counter
Dec 19 12:10:17.154 INFO [stderr]    |     ^^^^^^^^^
Dec 19 12:10:17.154 INFO [stderr] 
Dec 19 12:10:17.154 INFO [stderr] warning: field is never used: `sp`
Dec 19 12:10:17.154 INFO [stderr]   --> src/main.rs:18:5
Dec 19 12:10:17.154 INFO [stderr]    |
Dec 19 12:10:17.154 INFO [stderr] 18 |     sp: usize, // stack pointer
Dec 19 12:10:17.154 INFO [stderr]    |     ^^^^^^^^^
Dec 19 12:10:17.154 INFO [stderr] 
Dec 19 12:10:17.154 INFO [stderr] warning: field is never used: `buf`
Dec 19 12:10:17.154 INFO [stderr]   --> src/main.rs:19:5
Dec 19 12:10:17.154 INFO [stderr]    |
Dec 19 12:10:17.154 INFO [stderr] 19 |     buf: [bool; ROWS*COLS], // display buffer
Dec 19 12:10:17.154 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:10:17.154 INFO [stderr] 
Dec 19 12:10:17.154 INFO [stderr] warning: method is never used: `cpu_step`
Dec 19 12:10:17.154 INFO [stderr]   --> src/main.rs:43:5
Dec 19 12:10:17.154 INFO [stderr]    |
Dec 19 12:10:17.154 INFO [stderr] 43 |     fn cpu_step(&mut self) {
Dec 19 12:10:17.154 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:10:17.154 INFO [stderr] 
Dec 19 12:10:17.206 INFO [stderr] warning: unused variable: `chip`
Dec 19 12:10:17.206 INFO [stderr]   --> src/main.rs:97:13
Dec 19 12:10:17.206 INFO [stderr]    |
Dec 19 12:10:17.206 INFO [stderr] 97 |     let mut chip = Chip8::new(game_path);
Dec 19 12:10:17.206 INFO [stderr]    |             ^^^^ help: consider using `_chip` instead
Dec 19 12:10:17.206 INFO [stderr]    |
Dec 19 12:10:17.206 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 12:10:17.206 INFO [stderr] 
Dec 19 12:10:17.206 INFO [stderr] warning: variable does not need to be mutable
Dec 19 12:10:17.206 INFO [stderr]   --> src/main.rs:97:9
Dec 19 12:10:17.206 INFO [stderr]    |
Dec 19 12:10:17.206 INFO [stderr] 97 |     let mut chip = Chip8::new(game_path);
Dec 19 12:10:17.206 INFO [stderr]    |         ----^^^^
Dec 19 12:10:17.206 INFO [stderr]    |         |
Dec 19 12:10:17.206 INFO [stderr]    |         help: remove this `mut`
Dec 19 12:10:17.206 INFO [stderr]    |
Dec 19 12:10:17.206 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 12:10:17.206 INFO [stderr] 
Dec 19 12:10:17.206 INFO [stderr] warning: field is never used: `stack`
Dec 19 12:10:17.206 INFO [stderr]   --> src/main.rs:13:5
Dec 19 12:10:17.206 INFO [stderr]    |
Dec 19 12:10:17.206 INFO [stderr] 13 |     stack: [usize; 16],
Dec 19 12:10:17.206 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 19 12:10:17.206 INFO [stderr]    |
Dec 19 12:10:17.206 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 12:10:17.206 INFO [stderr] 
Dec 19 12:10:17.206 INFO [stderr] warning: field is never used: `v`
Dec 19 12:10:17.206 INFO [stderr]   --> src/main.rs:14:5
Dec 19 12:10:17.206 INFO [stderr]    |
Dec 19 12:10:17.206 INFO [stderr] 14 |     v: [u8; 16], // registers
Dec 19 12:10:17.206 INFO [stderr]    |     ^^^^^^^^^^^
Dec 19 12:10:17.206 INFO [stderr] 
Dec 19 12:10:17.206 INFO [stderr] warning: field is never used: `i`
Dec 19 12:10:17.206 INFO [stderr]   --> src/main.rs:15:5
Dec 19 12:10:17.206 INFO [stderr]    |
Dec 19 12:10:17.206 INFO [stderr] 15 |     i: u16, // I register
Dec 19 12:10:17.206 INFO [stderr]    |     ^^^^^^
Dec 19 12:10:17.206 INFO [stderr] 
Dec 19 12:10:17.206 INFO [stderr] warning: field is never used: `timers`
Dec 19 12:10:17.206 INFO [stderr]   --> src/main.rs:16:5
Dec 19 12:10:17.206 INFO [stderr]    |
Dec 19 12:10:17.206 INFO [stderr] 16 |     timers: [u16; 2], // Delay and Sound timers
Dec 19 12:10:17.206 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 19 12:10:17.206 INFO [stderr] 
Dec 19 12:10:17.206 INFO [stderr] warning: field is never used: `pc`
Dec 19 12:10:17.206 INFO [stderr]   --> src/main.rs:17:5
Dec 19 12:10:17.206 INFO [stderr]    |
Dec 19 12:10:17.206 INFO [stderr] 17 |     pc: usize, // program counter
Dec 19 12:10:17.206 INFO [stderr]    |     ^^^^^^^^^
Dec 19 12:10:17.206 INFO [stderr] 
Dec 19 12:10:17.206 INFO [stderr] warning: field is never used: `sp`
Dec 19 12:10:17.206 INFO [stderr]   --> src/main.rs:18:5
Dec 19 12:10:17.206 INFO [stderr]    |
Dec 19 12:10:17.206 INFO [stderr] 18 |     sp: usize, // stack pointer
Dec 19 12:10:17.206 INFO [stderr]    |     ^^^^^^^^^
Dec 19 12:10:17.206 INFO [stderr] 
Dec 19 12:10:17.206 INFO [stderr] warning: field is never used: `buf`
Dec 19 12:10:17.207 INFO [stderr]   --> src/main.rs:19:5
Dec 19 12:10:17.207 INFO [stderr]    |
Dec 19 12:10:17.207 INFO [stderr] 19 |     buf: [bool; ROWS*COLS], // display buffer
Dec 19 12:10:17.207 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:10:17.207 INFO [stderr] 
Dec 19 12:10:17.207 INFO [stderr] warning: method is never used: `cpu_step`
Dec 19 12:10:17.207 INFO [stderr]   --> src/main.rs:43:5
Dec 19 12:10:17.207 INFO [stderr]    |
Dec 19 12:10:17.207 INFO [stderr] 43 |     fn cpu_step(&mut self) {
Dec 19 12:10:17.207 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:10:17.207 INFO [stderr] 
Dec 19 12:10:17.224 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
Dec 19 12:10:17.468 INFO running `"docker" "inspect" "435d4a4718c4e82e3079232d185b92316d28f4354e9552c707580c90c3c74aab"`
Dec 19 12:10:17.534 INFO running `"docker" "rm" "-f" "435d4a4718c4e82e3079232d185b92316d28f4354e9552c707580c90c3c74aab"`
Dec 19 12:10:17.621 INFO [stdout] 435d4a4718c4e82e3079232d185b92316d28f4354e9552c707580c90c3c74aab