Dec 04 11:52:20.196 INFO checking ratschance/chip-8 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 11:52:20.196 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 11:52:20.719 INFO [stdout] 705964badeac35c4d3c5b14d710dbbe49df197ff4b1868a57f0091062de7a942
Dec 04 11:52:20.723 INFO running `"docker" "start" "-a" "705964badeac35c4d3c5b14d710dbbe49df197ff4b1868a57f0091062de7a942"`
Dec 04 11:52:21.906 INFO [stderr] usermod: no changes
Dec 04 11:52:21.975 INFO [stderr]     Checking chip-8 v0.1.0 (/source)
Dec 04 11:52:22.455 INFO [stderr] warning: unused variable: `loc`
Dec 04 11:52:22.455 INFO [stderr]   --> src/cpu.rs:59:21
Dec 04 11:52:22.455 INFO [stderr]    |
Dec 04 11:52:22.455 INFO [stderr] 59 |                 let loc = opcode & 0xfff;
Dec 04 11:52:22.455 INFO [stderr]    |                     ^^^ help: consider using `_loc` instead
Dec 04 11:52:22.455 INFO [stderr]    |
Dec 04 11:52:22.455 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 11:52:22.455 INFO [stderr] 
Dec 04 11:52:22.455 INFO [stderr] warning: unused variable: `loc`
Dec 04 11:52:22.455 INFO [stderr]   --> src/cpu.rs:64:21
Dec 04 11:52:22.455 INFO [stderr]    |
Dec 04 11:52:22.455 INFO [stderr] 64 |                 let loc = opcode & 0xfff;
Dec 04 11:52:22.455 INFO [stderr]    |                     ^^^ help: consider using `_loc` instead
Dec 04 11:52:22.455 INFO [stderr] 
Dec 04 11:52:22.455 INFO [stderr] warning: unused variable: `loc`
Dec 04 11:52:22.455 INFO [stderr]    --> src/cpu.rs:121:21
Dec 04 11:52:22.455 INFO [stderr]     |
Dec 04 11:52:22.455 INFO [stderr] 121 |                 let loc = opcode & 0xfff;
Dec 04 11:52:22.455 INFO [stderr]     |                     ^^^ help: consider using `_loc` instead
Dec 04 11:52:22.455 INFO [stderr] 
Dec 04 11:52:22.455 INFO [stderr] warning: unused variable: `x`
Dec 04 11:52:22.455 INFO [stderr]    --> src/cpu.rs:126:21
Dec 04 11:52:22.455 INFO [stderr]     |
Dec 04 11:52:22.455 INFO [stderr] 126 |                 let x = get_nibble(2, opcode);
Dec 04 11:52:22.455 INFO [stderr]     |                     ^ help: consider using `_x` instead
Dec 04 11:52:22.455 INFO [stderr] 
Dec 04 11:52:22.455 INFO [stderr] warning: unused variable: `val`
Dec 04 11:52:22.455 INFO [stderr]    --> src/cpu.rs:127:21
Dec 04 11:52:22.455 INFO [stderr]     |
Dec 04 11:52:22.455 INFO [stderr] 127 |                 let val = opcode & 0xff;
Dec 04 11:52:22.455 INFO [stderr]     |                     ^^^ help: consider using `_val` instead
Dec 04 11:52:22.455 INFO [stderr] 
Dec 04 11:52:22.455 INFO [stderr] warning: unused variable: `x`
Dec 04 11:52:22.455 INFO [stderr]    --> src/cpu.rs:132:21
Dec 04 11:52:22.455 INFO [stderr]     |
Dec 04 11:52:22.455 INFO [stderr] 132 |                 let x = get_nibble(2, opcode);
Dec 04 11:52:22.455 INFO [stderr]     |                     ^ help: consider using `_x` instead
Dec 04 11:52:22.455 INFO [stderr] 
Dec 04 11:52:22.455 INFO [stderr] warning: unused variable: `y`
Dec 04 11:52:22.455 INFO [stderr]    --> src/cpu.rs:133:21
Dec 04 11:52:22.455 INFO [stderr]     |
Dec 04 11:52:22.455 INFO [stderr] 133 |                 let y = get_nibble(1, opcode);
Dec 04 11:52:22.455 INFO [stderr]     |                     ^ help: consider using `_y` instead
Dec 04 11:52:22.455 INFO [stderr] 
Dec 04 11:52:22.455 INFO [stderr] warning: unused variable: `n`
Dec 04 11:52:22.455 INFO [stderr]    --> src/cpu.rs:134:21
Dec 04 11:52:22.455 INFO [stderr]     |
Dec 04 11:52:22.456 INFO [stderr] 134 |                 let n = get_nibble(0, opcode);
Dec 04 11:52:22.456 INFO [stderr]     |                     ^ help: consider using `_n` instead
Dec 04 11:52:22.456 INFO [stderr] 
Dec 04 11:52:22.456 INFO [stderr] warning: unused variable: `x`
Dec 04 11:52:22.456 INFO [stderr]    --> src/cpu.rs:139:21
Dec 04 11:52:22.456 INFO [stderr]     |
Dec 04 11:52:22.456 INFO [stderr] 139 |                 let x = get_nibble(2, opcode);
Dec 04 11:52:22.456 INFO [stderr]     |                     ^ help: consider using `_x` instead
Dec 04 11:52:22.456 INFO [stderr] 
Dec 04 11:52:22.458 INFO [stderr] warning: struct is never constructed: `Cpu`
Dec 04 11:52:22.458 INFO [stderr]  --> src/cpu.rs:2:1
Dec 04 11:52:22.458 INFO [stderr]   |
Dec 04 11:52:22.458 INFO [stderr] 2 | struct Cpu {
Dec 04 11:52:22.458 INFO [stderr]   | ^^^^^^^^^^
Dec 04 11:52:22.458 INFO [stderr]   |
Dec 04 11:52:22.458 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 11:52:22.458 INFO [stderr] 
Dec 04 11:52:22.458 INFO [stderr] warning: struct is never constructed: `Registers`
Dec 04 11:52:22.458 INFO [stderr]  --> src/cpu.rs:7:1
Dec 04 11:52:22.458 INFO [stderr]   |
Dec 04 11:52:22.458 INFO [stderr] 7 | struct Registers {
Dec 04 11:52:22.458 INFO [stderr]   | ^^^^^^^^^^^^^^^^
Dec 04 11:52:22.458 INFO [stderr] 
Dec 04 11:52:22.458 INFO [stderr] warning: method is never used: `initialize`
Dec 04 11:52:22.458 INFO [stderr]   --> src/cpu.rs:18:5
Dec 04 11:52:22.458 INFO [stderr]    |
Dec 04 11:52:22.458 INFO [stderr] 18 |     fn initialize() -> Registers {
Dec 04 11:52:22.458 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 11:52:22.458 INFO [stderr] 
Dec 04 11:52:22.458 INFO [stderr] warning: method is never used: `initialize`
Dec 04 11:52:22.458 INFO [stderr]   --> src/cpu.rs:32:5
Dec 04 11:52:22.458 INFO [stderr]    |
Dec 04 11:52:22.458 INFO [stderr] 32 |     fn initialize() -> Cpu {
Dec 04 11:52:22.458 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 04 11:52:22.458 INFO [stderr] 
Dec 04 11:52:22.458 INFO [stderr] warning: method is never used: `process_opcode`
Dec 04 11:52:22.458 INFO [stderr]   --> src/cpu.rs:39:5
Dec 04 11:52:22.458 INFO [stderr]    |
Dec 04 11:52:22.458 INFO [stderr] 39 |     fn process_opcode(&mut self, opcode: u16) {
Dec 04 11:52:22.458 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 11:52:22.458 INFO [stderr] 
Dec 04 11:52:22.458 INFO [stderr] warning: method is never used: `process_opcode_8`
Dec 04 11:52:22.458 INFO [stderr]    --> src/cpu.rs:162:5
Dec 04 11:52:22.458 INFO [stderr]     |
Dec 04 11:52:22.458 INFO [stderr] 162 |     fn process_opcode_8(&mut self, x: usize, y: usize, op: u8) {
Dec 04 11:52:22.458 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 11:52:22.458 INFO [stderr] 
Dec 04 11:52:22.458 INFO [stderr] warning: method is never used: `process_opcode_f`
Dec 04 11:52:22.458 INFO [stderr]    --> src/cpu.rs:224:5
Dec 04 11:52:22.458 INFO [stderr]     |
Dec 04 11:52:22.458 INFO [stderr] 224 |     fn process_opcode_f(&mut self, x: usize, op: u8) {
Dec 04 11:52:22.458 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 11:52:22.458 INFO [stderr] 
Dec 04 11:52:22.458 INFO [stderr] warning: function is never used: `get_nibble`
Dec 04 11:52:22.458 INFO [stderr]    --> src/cpu.rs:271:1
Dec 04 11:52:22.458 INFO [stderr]     |
Dec 04 11:52:22.458 INFO [stderr] 271 | fn get_nibble(index: u8, value: u16) -> usize {
Dec 04 11:52:22.458 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 11:52:22.458 INFO [stderr] 
Dec 04 11:52:22.667 INFO [stderr] warning: unused variable: `loc`
Dec 04 11:52:22.667 INFO [stderr]   --> src/cpu.rs:59:21
Dec 04 11:52:22.667 INFO [stderr]    |
Dec 04 11:52:22.667 INFO [stderr] 59 |                 let loc = opcode & 0xfff;
Dec 04 11:52:22.667 INFO [stderr]    |                     ^^^ help: consider using `_loc` instead
Dec 04 11:52:22.667 INFO [stderr]    |
Dec 04 11:52:22.667 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 11:52:22.668 INFO [stderr] 
Dec 04 11:52:22.668 INFO [stderr] warning: unused variable: `loc`
Dec 04 11:52:22.668 INFO [stderr]   --> src/cpu.rs:64:21
Dec 04 11:52:22.668 INFO [stderr]    |
Dec 04 11:52:22.668 INFO [stderr] 64 |                 let loc = opcode & 0xfff;
Dec 04 11:52:22.668 INFO [stderr]    |                     ^^^ help: consider using `_loc` instead
Dec 04 11:52:22.668 INFO [stderr] 
Dec 04 11:52:22.668 INFO [stderr] warning: unused variable: `loc`
Dec 04 11:52:22.668 INFO [stderr]    --> src/cpu.rs:121:21
Dec 04 11:52:22.668 INFO [stderr]     |
Dec 04 11:52:22.668 INFO [stderr] 121 |                 let loc = opcode & 0xfff;
Dec 04 11:52:22.668 INFO [stderr]     |                     ^^^ help: consider using `_loc` instead
Dec 04 11:52:22.668 INFO [stderr] 
Dec 04 11:52:22.668 INFO [stderr] warning: unused variable: `x`
Dec 04 11:52:22.668 INFO [stderr]    --> src/cpu.rs:126:21
Dec 04 11:52:22.668 INFO [stderr]     |
Dec 04 11:52:22.668 INFO [stderr] 126 |                 let x = get_nibble(2, opcode);
Dec 04 11:52:22.668 INFO [stderr]     |                     ^ help: consider using `_x` instead
Dec 04 11:52:22.668 INFO [stderr] 
Dec 04 11:52:22.668 INFO [stderr] warning: unused variable: `val`
Dec 04 11:52:22.668 INFO [stderr]    --> src/cpu.rs:127:21
Dec 04 11:52:22.668 INFO [stderr]     |
Dec 04 11:52:22.668 INFO [stderr] 127 |                 let val = opcode & 0xff;
Dec 04 11:52:22.668 INFO [stderr]     |                     ^^^ help: consider using `_val` instead
Dec 04 11:52:22.668 INFO [stderr] 
Dec 04 11:52:22.668 INFO [stderr] warning: unused variable: `x`
Dec 04 11:52:22.668 INFO [stderr]    --> src/cpu.rs:132:21
Dec 04 11:52:22.668 INFO [stderr]     |
Dec 04 11:52:22.668 INFO [stderr] 132 |                 let x = get_nibble(2, opcode);
Dec 04 11:52:22.668 INFO [stderr]     |                     ^ help: consider using `_x` instead
Dec 04 11:52:22.668 INFO [stderr] 
Dec 04 11:52:22.668 INFO [stderr] warning: unused variable: `y`
Dec 04 11:52:22.668 INFO [stderr]    --> src/cpu.rs:133:21
Dec 04 11:52:22.668 INFO [stderr]     |
Dec 04 11:52:22.668 INFO [stderr] 133 |                 let y = get_nibble(1, opcode);
Dec 04 11:52:22.668 INFO [stderr]     |                     ^ help: consider using `_y` instead
Dec 04 11:52:22.668 INFO [stderr] 
Dec 04 11:52:22.668 INFO [stderr] warning: unused variable: `n`
Dec 04 11:52:22.668 INFO [stderr]    --> src/cpu.rs:134:21
Dec 04 11:52:22.668 INFO [stderr]     |
Dec 04 11:52:22.668 INFO [stderr] 134 |                 let n = get_nibble(0, opcode);
Dec 04 11:52:22.668 INFO [stderr]     |                     ^ help: consider using `_n` instead
Dec 04 11:52:22.668 INFO [stderr] 
Dec 04 11:52:22.668 INFO [stderr] warning: unused variable: `x`
Dec 04 11:52:22.668 INFO [stderr]    --> src/cpu.rs:139:21
Dec 04 11:52:22.668 INFO [stderr]     |
Dec 04 11:52:22.668 INFO [stderr] 139 |                 let x = get_nibble(2, opcode);
Dec 04 11:52:22.668 INFO [stderr]     |                     ^ help: consider using `_x` instead
Dec 04 11:52:22.668 INFO [stderr] 
Dec 04 11:52:22.679 INFO [stderr] warning: struct is never constructed: `Cpu`
Dec 04 11:52:22.679 INFO [stderr]  --> src/cpu.rs:2:1
Dec 04 11:52:22.679 INFO [stderr]   |
Dec 04 11:52:22.679 INFO [stderr] 2 | struct Cpu {
Dec 04 11:52:22.679 INFO [stderr]   | ^^^^^^^^^^
Dec 04 11:52:22.679 INFO [stderr]   |
Dec 04 11:52:22.679 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 11:52:22.679 INFO [stderr] 
Dec 04 11:52:22.679 INFO [stderr] warning: struct is never constructed: `Registers`
Dec 04 11:52:22.679 INFO [stderr]  --> src/cpu.rs:7:1
Dec 04 11:52:22.679 INFO [stderr]   |
Dec 04 11:52:22.679 INFO [stderr] 7 | struct Registers {
Dec 04 11:52:22.679 INFO [stderr]   | ^^^^^^^^^^^^^^^^
Dec 04 11:52:22.679 INFO [stderr] 
Dec 04 11:52:22.679 INFO [stderr] warning: method is never used: `initialize`
Dec 04 11:52:22.679 INFO [stderr]   --> src/cpu.rs:18:5
Dec 04 11:52:22.679 INFO [stderr]    |
Dec 04 11:52:22.679 INFO [stderr] 18 |     fn initialize() -> Registers {
Dec 04 11:52:22.679 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 11:52:22.679 INFO [stderr] 
Dec 04 11:52:22.679 INFO [stderr] warning: method is never used: `initialize`
Dec 04 11:52:22.679 INFO [stderr]   --> src/cpu.rs:32:5
Dec 04 11:52:22.679 INFO [stderr]    |
Dec 04 11:52:22.679 INFO [stderr] 32 |     fn initialize() -> Cpu {
Dec 04 11:52:22.679 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 04 11:52:22.679 INFO [stderr] 
Dec 04 11:52:22.679 INFO [stderr] warning: method is never used: `process_opcode`
Dec 04 11:52:22.679 INFO [stderr]   --> src/cpu.rs:39:5
Dec 04 11:52:22.679 INFO [stderr]    |
Dec 04 11:52:22.679 INFO [stderr] 39 |     fn process_opcode(&mut self, opcode: u16) {
Dec 04 11:52:22.679 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 11:52:22.679 INFO [stderr] 
Dec 04 11:52:22.679 INFO [stderr] warning: method is never used: `process_opcode_8`
Dec 04 11:52:22.679 INFO [stderr]    --> src/cpu.rs:162:5
Dec 04 11:52:22.679 INFO [stderr]     |
Dec 04 11:52:22.679 INFO [stderr] 162 |     fn process_opcode_8(&mut self, x: usize, y: usize, op: u8) {
Dec 04 11:52:22.679 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 11:52:22.679 INFO [stderr] 
Dec 04 11:52:22.679 INFO [stderr] warning: method is never used: `process_opcode_f`
Dec 04 11:52:22.679 INFO [stderr]    --> src/cpu.rs:224:5
Dec 04 11:52:22.679 INFO [stderr]     |
Dec 04 11:52:22.679 INFO [stderr] 224 |     fn process_opcode_f(&mut self, x: usize, op: u8) {
Dec 04 11:52:22.679 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 11:52:22.679 INFO [stderr] 
Dec 04 11:52:22.679 INFO [stderr] warning: function is never used: `get_nibble`
Dec 04 11:52:22.679 INFO [stderr]    --> src/cpu.rs:271:1
Dec 04 11:52:22.679 INFO [stderr]     |
Dec 04 11:52:22.679 INFO [stderr] 271 | fn get_nibble(index: u8, value: u16) -> usize {
Dec 04 11:52:22.679 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 11:52:22.679 INFO [stderr] 
Dec 04 11:52:22.727 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
Dec 04 11:52:22.727 INFO [stderr] su: No module specific data is present
Dec 04 11:52:23.487 INFO running `"docker" "inspect" "705964badeac35c4d3c5b14d710dbbe49df197ff4b1868a57f0091062de7a942"`
Dec 04 11:52:23.811 INFO running `"docker" "rm" "-f" "705964badeac35c4d3c5b14d710dbbe49df197ff4b1868a57f0091062de7a942"`
Dec 04 11:52:24.126 INFO [stdout] 705964badeac35c4d3c5b14d710dbbe49df197ff4b1868a57f0091062de7a942