Dec 11 12:31:13.271 INFO checking nryaskin/simulator against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 12:31:13.271 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 12:31:13.857 INFO [stdout] d144ac4719b491e78f548fdbf2b66d64729f63c41e7684663df483e7e671643d
Dec 11 12:31:13.859 INFO running `"docker" "start" "-a" "d144ac4719b491e78f548fdbf2b66d64729f63c41e7684663df483e7e671643d"`
Dec 11 12:31:15.629 INFO [stderr] usermod: no changes
Dec 11 12:31:15.701 INFO [stderr]     Checking disassembler v0.1.0 (/source)
Dec 11 12:31:16.126 INFO [stderr] warning: variable does not need to be mutable
Dec 11 12:31:16.126 INFO [stderr]   --> src/chip8/mod.rs:42:13
Dec 11 12:31:16.126 INFO [stderr]    |
Dec 11 12:31:16.126 INFO [stderr] 42 |         let mut file = File::open(file_path).unwrap();
Dec 11 12:31:16.126 INFO [stderr]    |             ----^^^^
Dec 11 12:31:16.126 INFO [stderr]    |             |
Dec 11 12:31:16.126 INFO [stderr]    |             help: remove this `mut`
Dec 11 12:31:16.126 INFO [stderr]    |
Dec 11 12:31:16.126 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 12:31:16.126 INFO [stderr] 
Dec 11 12:31:16.133 INFO [stderr] warning: field is never used: `opcode`
Dec 11 12:31:16.133 INFO [stderr]  --> src/chip8/cpu.rs:7:5
Dec 11 12:31:16.133 INFO [stderr]   |
Dec 11 12:31:16.133 INFO [stderr] 7 |     opcode : u16,
Dec 11 12:31:16.133 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 11 12:31:16.133 INFO [stderr]   |
Dec 11 12:31:16.133 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 12:31:16.133 INFO [stderr] 
Dec 11 12:31:16.133 INFO [stderr] warning: field is never used: `index`
Dec 11 12:31:16.133 INFO [stderr]  --> src/chip8/cpu.rs:8:5
Dec 11 12:31:16.133 INFO [stderr]   |
Dec 11 12:31:16.133 INFO [stderr] 8 |     index: u16,
Dec 11 12:31:16.133 INFO [stderr]   |     ^^^^^^^^^^
Dec 11 12:31:16.133 INFO [stderr] 
Dec 11 12:31:16.133 INFO [stderr] warning: field is never used: `registers`
Dec 11 12:31:16.133 INFO [stderr]   --> src/chip8/cpu.rs:10:5
Dec 11 12:31:16.133 INFO [stderr]    |
Dec 11 12:31:16.133 INFO [stderr] 10 |     registers: [u8; CHIP8_REGISTER_COUNT], 
Dec 11 12:31:16.133 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 12:31:16.133 INFO [stderr] 
Dec 11 12:31:16.134 INFO [stderr] warning: field is never used: `stack`
Dec 11 12:31:16.134 INFO [stderr]   --> src/chip8/cpu.rs:11:5
Dec 11 12:31:16.134 INFO [stderr]    |
Dec 11 12:31:16.134 INFO [stderr] 11 |     stack: [u16; CHIP8_STACK_SIZE],
Dec 11 12:31:16.134 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 12:31:16.134 INFO [stderr] 
Dec 11 12:31:16.134 INFO [stderr] warning: field is never used: `sp`
Dec 11 12:31:16.134 INFO [stderr]   --> src/chip8/cpu.rs:12:5
Dec 11 12:31:16.134 INFO [stderr]    |
Dec 11 12:31:16.134 INFO [stderr] 12 |     sp: u16,
Dec 11 12:31:16.134 INFO [stderr]    |     ^^^^^^^
Dec 11 12:31:16.134 INFO [stderr] 
Dec 11 12:31:16.134 INFO [stderr] warning: field is never used: `delay_timer`
Dec 11 12:31:16.134 INFO [stderr]   --> src/chip8/cpu.rs:13:5
Dec 11 12:31:16.134 INFO [stderr]    |
Dec 11 12:31:16.134 INFO [stderr] 13 |     delay_timer: u8,
Dec 11 12:31:16.134 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 11 12:31:16.134 INFO [stderr] 
Dec 11 12:31:16.134 INFO [stderr] warning: field is never used: `sound_timer`
Dec 11 12:31:16.134 INFO [stderr]   --> src/chip8/cpu.rs:14:5
Dec 11 12:31:16.134 INFO [stderr]    |
Dec 11 12:31:16.134 INFO [stderr] 14 |     sound_timer: u8,
Dec 11 12:31:16.134 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 11 12:31:16.134 INFO [stderr] 
Dec 11 12:31:16.134 INFO [stderr] warning: field is never used: `gfx`
Dec 11 12:31:16.134 INFO [stderr]  --> src/chip8/graphics.rs:2:5
Dec 11 12:31:16.134 INFO [stderr]   |
Dec 11 12:31:16.134 INFO [stderr] 2 |     gfx: [u8; 64 * 32],
Dec 11 12:31:16.134 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 11 12:31:16.134 INFO [stderr] 
Dec 11 12:31:16.134 INFO [stderr] warning: method is never used: `mem_read`
Dec 11 12:31:16.134 INFO [stderr]   --> src/chip8/memory.rs:21:5
Dec 11 12:31:16.134 INFO [stderr]    |
Dec 11 12:31:16.134 INFO [stderr] 21 |     pub fn mem_read(&self, addr: u16) -> u16 {
Dec 11 12:31:16.134 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 12:31:16.134 INFO [stderr] 
Dec 11 12:31:16.134 INFO [stderr] warning: method is never used: `mem_size`
Dec 11 12:31:16.134 INFO [stderr]   --> src/chip8/memory.rs:25:5
Dec 11 12:31:16.134 INFO [stderr]    |
Dec 11 12:31:16.134 INFO [stderr] 25 |     pub fn mem_size(&self) -> usize {
Dec 11 12:31:16.134 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 12:31:16.134 INFO [stderr] 
Dec 11 12:31:16.134 INFO [stderr] warning: struct is never constructed: `Keypad`
Dec 11 12:31:16.134 INFO [stderr]  --> src/chip8/keypad.rs:3:1
Dec 11 12:31:16.134 INFO [stderr]   |
Dec 11 12:31:16.134 INFO [stderr] 3 | pub struct Keypad {
Dec 11 12:31:16.134 INFO [stderr]   | ^^^^^^^^^^^^^^^^^
Dec 11 12:31:16.134 INFO [stderr] 
Dec 11 12:31:16.134 INFO [stderr] warning: field is never used: `cpu`
Dec 11 12:31:16.134 INFO [stderr]   --> src/chip8/mod.rs:15:5
Dec 11 12:31:16.134 INFO [stderr]    |
Dec 11 12:31:16.134 INFO [stderr] 15 |     cpu: CPU,
Dec 11 12:31:16.134 INFO [stderr]    |     ^^^^^^^^
Dec 11 12:31:16.134 INFO [stderr] 
Dec 11 12:31:16.134 INFO [stderr] warning: field is never used: `gr`
Dec 11 12:31:16.134 INFO [stderr]   --> src/chip8/mod.rs:17:5
Dec 11 12:31:16.134 INFO [stderr]    |
Dec 11 12:31:16.134 INFO [stderr] 17 |     gr: Graphics,
Dec 11 12:31:16.134 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 11 12:31:16.134 INFO [stderr] 
Dec 11 12:31:16.134 INFO [stderr] warning: method is never used: `get_mem`
Dec 11 12:31:16.134 INFO [stderr]   --> src/chip8/mod.rs:33:5
Dec 11 12:31:16.134 INFO [stderr]    |
Dec 11 12:31:16.134 INFO [stderr] 33 |     pub fn get_mem(&self, addr: u16) -> u16 {
Dec 11 12:31:16.134 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 12:31:16.134 INFO [stderr] 
Dec 11 12:31:16.134 INFO [stderr] warning: method is never used: `load_game`
Dec 11 12:31:16.134 INFO [stderr]   --> src/chip8/mod.rs:41:5
Dec 11 12:31:16.134 INFO [stderr]    |
Dec 11 12:31:16.134 INFO [stderr] 41 |     pub fn load_game(&mut self, file_path: &String) -> io::Result<()> {
Dec 11 12:31:16.134 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 12:31:16.134 INFO [stderr] 
Dec 11 12:31:16.254 INFO [stderr] warning: variable does not need to be mutable
Dec 11 12:31:16.254 INFO [stderr]   --> src/chip8/mod.rs:42:13
Dec 11 12:31:16.254 INFO [stderr]    |
Dec 11 12:31:16.254 INFO [stderr] 42 |         let mut file = File::open(file_path).unwrap();
Dec 11 12:31:16.254 INFO [stderr]    |             ----^^^^
Dec 11 12:31:16.254 INFO [stderr]    |             |
Dec 11 12:31:16.254 INFO [stderr]    |             help: remove this `mut`
Dec 11 12:31:16.255 INFO [stderr]    |
Dec 11 12:31:16.255 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 12:31:16.255 INFO [stderr] 
Dec 11 12:31:16.256 INFO [stderr] warning: field is never used: `opcode`
Dec 11 12:31:16.256 INFO [stderr]  --> src/chip8/cpu.rs:7:5
Dec 11 12:31:16.256 INFO [stderr]   |
Dec 11 12:31:16.256 INFO [stderr] 7 |     opcode : u16,
Dec 11 12:31:16.257 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 11 12:31:16.257 INFO [stderr]   |
Dec 11 12:31:16.257 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 12:31:16.257 INFO [stderr] 
Dec 11 12:31:16.258 INFO [stderr] warning: field is never used: `index`
Dec 11 12:31:16.258 INFO [stderr]  --> src/chip8/cpu.rs:8:5
Dec 11 12:31:16.258 INFO [stderr]   |
Dec 11 12:31:16.258 INFO [stderr] 8 |     index: u16,
Dec 11 12:31:16.258 INFO [stderr]   |     ^^^^^^^^^^
Dec 11 12:31:16.258 INFO [stderr] 
Dec 11 12:31:16.259 INFO [stderr] warning: field is never used: `registers`
Dec 11 12:31:16.259 INFO [stderr]   --> src/chip8/cpu.rs:10:5
Dec 11 12:31:16.259 INFO [stderr]    |
Dec 11 12:31:16.259 INFO [stderr] 10 |     registers: [u8; CHIP8_REGISTER_COUNT], 
Dec 11 12:31:16.259 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 12:31:16.259 INFO [stderr] 
Dec 11 12:31:16.259 INFO [stderr] warning: field is never used: `stack`
Dec 11 12:31:16.259 INFO [stderr]   --> src/chip8/cpu.rs:11:5
Dec 11 12:31:16.259 INFO [stderr]    |
Dec 11 12:31:16.259 INFO [stderr] 11 |     stack: [u16; CHIP8_STACK_SIZE],
Dec 11 12:31:16.259 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 12:31:16.259 INFO [stderr] 
Dec 11 12:31:16.259 INFO [stderr] warning: field is never used: `sp`
Dec 11 12:31:16.259 INFO [stderr]   --> src/chip8/cpu.rs:12:5
Dec 11 12:31:16.259 INFO [stderr]    |
Dec 11 12:31:16.259 INFO [stderr] 12 |     sp: u16,
Dec 11 12:31:16.259 INFO [stderr]    |     ^^^^^^^
Dec 11 12:31:16.259 INFO [stderr] 
Dec 11 12:31:16.259 INFO [stderr] warning: field is never used: `delay_timer`
Dec 11 12:31:16.260 INFO [stderr]   --> src/chip8/cpu.rs:13:5
Dec 11 12:31:16.260 INFO [stderr]    |
Dec 11 12:31:16.260 INFO [stderr] 13 |     delay_timer: u8,
Dec 11 12:31:16.260 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 11 12:31:16.260 INFO [stderr] 
Dec 11 12:31:16.260 INFO [stderr] warning: field is never used: `sound_timer`
Dec 11 12:31:16.260 INFO [stderr]   --> src/chip8/cpu.rs:14:5
Dec 11 12:31:16.260 INFO [stderr]    |
Dec 11 12:31:16.260 INFO [stderr] 14 |     sound_timer: u8,
Dec 11 12:31:16.260 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 11 12:31:16.260 INFO [stderr] 
Dec 11 12:31:16.260 INFO [stderr] warning: field is never used: `gfx`
Dec 11 12:31:16.260 INFO [stderr]  --> src/chip8/graphics.rs:2:5
Dec 11 12:31:16.261 INFO [stderr]   |
Dec 11 12:31:16.261 INFO [stderr] 2 |     gfx: [u8; 64 * 32],
Dec 11 12:31:16.261 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 11 12:31:16.261 INFO [stderr] 
Dec 11 12:31:16.261 INFO [stderr] warning: method is never used: `mem_read`
Dec 11 12:31:16.261 INFO [stderr]   --> src/chip8/memory.rs:21:5
Dec 11 12:31:16.261 INFO [stderr]    |
Dec 11 12:31:16.261 INFO [stderr] 21 |     pub fn mem_read(&self, addr: u16) -> u16 {
Dec 11 12:31:16.261 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 12:31:16.261 INFO [stderr] 
Dec 11 12:31:16.261 INFO [stderr] warning: method is never used: `mem_size`
Dec 11 12:31:16.261 INFO [stderr]   --> src/chip8/memory.rs:25:5
Dec 11 12:31:16.261 INFO [stderr]    |
Dec 11 12:31:16.261 INFO [stderr] 25 |     pub fn mem_size(&self) -> usize {
Dec 11 12:31:16.261 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 12:31:16.261 INFO [stderr] 
Dec 11 12:31:16.261 INFO [stderr] warning: struct is never constructed: `Keypad`
Dec 11 12:31:16.262 INFO [stderr]  --> src/chip8/keypad.rs:3:1
Dec 11 12:31:16.262 INFO [stderr]   |
Dec 11 12:31:16.262 INFO [stderr] 3 | pub struct Keypad {
Dec 11 12:31:16.262 INFO [stderr]   | ^^^^^^^^^^^^^^^^^
Dec 11 12:31:16.262 INFO [stderr] 
Dec 11 12:31:16.262 INFO [stderr] warning: field is never used: `cpu`
Dec 11 12:31:16.262 INFO [stderr]   --> src/chip8/mod.rs:15:5
Dec 11 12:31:16.262 INFO [stderr]    |
Dec 11 12:31:16.262 INFO [stderr] 15 |     cpu: CPU,
Dec 11 12:31:16.262 INFO [stderr]    |     ^^^^^^^^
Dec 11 12:31:16.262 INFO [stderr] 
Dec 11 12:31:16.262 INFO [stderr] warning: field is never used: `gr`
Dec 11 12:31:16.262 INFO [stderr]   --> src/chip8/mod.rs:17:5
Dec 11 12:31:16.262 INFO [stderr]    |
Dec 11 12:31:16.263 INFO [stderr] 17 |     gr: Graphics,
Dec 11 12:31:16.263 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 11 12:31:16.263 INFO [stderr] 
Dec 11 12:31:16.263 INFO [stderr] warning: method is never used: `get_mem`
Dec 11 12:31:16.263 INFO [stderr]   --> src/chip8/mod.rs:33:5
Dec 11 12:31:16.263 INFO [stderr]    |
Dec 11 12:31:16.263 INFO [stderr] 33 |     pub fn get_mem(&self, addr: u16) -> u16 {
Dec 11 12:31:16.263 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 12:31:16.263 INFO [stderr] 
Dec 11 12:31:16.263 INFO [stderr] warning: method is never used: `load_game`
Dec 11 12:31:16.263 INFO [stderr]   --> src/chip8/mod.rs:41:5
Dec 11 12:31:16.263 INFO [stderr]    |
Dec 11 12:31:16.263 INFO [stderr] 41 |     pub fn load_game(&mut self, file_path: &String) -> io::Result<()> {
Dec 11 12:31:16.263 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 12:31:16.265 INFO [stderr] 
Dec 11 12:31:16.290 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
Dec 11 12:31:16.296 INFO [stderr] su: No module specific data is present
Dec 11 12:31:17.312 INFO running `"docker" "inspect" "d144ac4719b491e78f548fdbf2b66d64729f63c41e7684663df483e7e671643d"`
Dec 11 12:31:17.614 INFO running `"docker" "rm" "-f" "d144ac4719b491e78f548fdbf2b66d64729f63c41e7684663df483e7e671643d"`
Dec 11 12:31:17.896 INFO [stdout] d144ac4719b491e78f548fdbf2b66d64729f63c41e7684663df483e7e671643d