Nov 27 22:14:29.590 INFO checking ratschance/chip-8 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 27 22:14:29.590 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-5/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 27 22:14:30.036 INFO [stdout] d93fa15d9eb6d3f020bd0b1777e710e329d5bc2708f89241f0284f55c9aec0e5
Nov 27 22:14:30.038 INFO running `"docker" "start" "-a" "d93fa15d9eb6d3f020bd0b1777e710e329d5bc2708f89241f0284f55c9aec0e5"`
Nov 27 22:14:31.224 INFO [stderr] usermod: no changes
Nov 27 22:14:31.276 INFO [stderr]     Checking chip-8 v0.1.0 (/source)
Nov 27 22:14:31.714 INFO [stderr] warning: unused variable: `loc`
Nov 27 22:14:31.714 INFO [stderr]   --> src/cpu.rs:59:21
Nov 27 22:14:31.714 INFO [stderr]    |
Nov 27 22:14:31.714 INFO [stderr] 59 |                 let loc = opcode & 0xfff;
Nov 27 22:14:31.714 INFO [stderr]    |                     ^^^ help: consider using `_loc` instead
Nov 27 22:14:31.714 INFO [stderr]    |
Nov 27 22:14:31.714 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 27 22:14:31.714 INFO [stderr] 
Nov 27 22:14:31.715 INFO [stderr] warning: unused variable: `loc`
Nov 27 22:14:31.715 INFO [stderr]   --> src/cpu.rs:64:21
Nov 27 22:14:31.715 INFO [stderr]    |
Nov 27 22:14:31.715 INFO [stderr] 64 |                 let loc = opcode & 0xfff;
Nov 27 22:14:31.715 INFO [stderr]    |                     ^^^ help: consider using `_loc` instead
Nov 27 22:14:31.715 INFO [stderr] 
Nov 27 22:14:31.715 INFO [stderr] warning: unused variable: `loc`
Nov 27 22:14:31.715 INFO [stderr]    --> src/cpu.rs:121:21
Nov 27 22:14:31.715 INFO [stderr]     |
Nov 27 22:14:31.715 INFO [stderr] 121 |                 let loc = opcode & 0xfff;
Nov 27 22:14:31.715 INFO [stderr]     |                     ^^^ help: consider using `_loc` instead
Nov 27 22:14:31.715 INFO [stderr] 
Nov 27 22:14:31.715 INFO [stderr] warning: unused variable: `x`
Nov 27 22:14:31.715 INFO [stderr]    --> src/cpu.rs:126:21
Nov 27 22:14:31.715 INFO [stderr]     |
Nov 27 22:14:31.715 INFO [stderr] 126 |                 let x = get_nibble(2, opcode);
Nov 27 22:14:31.715 INFO [stderr]     |                     ^ help: consider using `_x` instead
Nov 27 22:14:31.715 INFO [stderr] 
Nov 27 22:14:31.715 INFO [stderr] warning: unused variable: `val`
Nov 27 22:14:31.715 INFO [stderr]    --> src/cpu.rs:127:21
Nov 27 22:14:31.715 INFO [stderr]     |
Nov 27 22:14:31.715 INFO [stderr] 127 |                 let val = opcode & 0xff;
Nov 27 22:14:31.715 INFO [stderr]     |                     ^^^ help: consider using `_val` instead
Nov 27 22:14:31.715 INFO [stderr] 
Nov 27 22:14:31.715 INFO [stderr] warning: unused variable: `x`
Nov 27 22:14:31.715 INFO [stderr]    --> src/cpu.rs:132:21
Nov 27 22:14:31.715 INFO [stderr]     |
Nov 27 22:14:31.715 INFO [stderr] 132 |                 let x = get_nibble(2, opcode);
Nov 27 22:14:31.715 INFO [stderr]     |                     ^ help: consider using `_x` instead
Nov 27 22:14:31.715 INFO [stderr] 
Nov 27 22:14:31.715 INFO [stderr] warning: unused variable: `y`
Nov 27 22:14:31.715 INFO [stderr]    --> src/cpu.rs:133:21
Nov 27 22:14:31.715 INFO [stderr]     |
Nov 27 22:14:31.715 INFO [stderr] 133 |                 let y = get_nibble(1, opcode);
Nov 27 22:14:31.715 INFO [stderr]     |                     ^ help: consider using `_y` instead
Nov 27 22:14:31.715 INFO [stderr] 
Nov 27 22:14:31.715 INFO [stderr] warning: unused variable: `n`
Nov 27 22:14:31.715 INFO [stderr]    --> src/cpu.rs:134:21
Nov 27 22:14:31.715 INFO [stderr]     |
Nov 27 22:14:31.715 INFO [stderr] 134 |                 let n = get_nibble(0, opcode);
Nov 27 22:14:31.715 INFO [stderr]     |                     ^ help: consider using `_n` instead
Nov 27 22:14:31.715 INFO [stderr] 
Nov 27 22:14:31.715 INFO [stderr] warning: unused variable: `x`
Nov 27 22:14:31.715 INFO [stderr]    --> src/cpu.rs:139:21
Nov 27 22:14:31.715 INFO [stderr]     |
Nov 27 22:14:31.715 INFO [stderr] 139 |                 let x = get_nibble(2, opcode);
Nov 27 22:14:31.715 INFO [stderr]     |                     ^ help: consider using `_x` instead
Nov 27 22:14:31.715 INFO [stderr] 
Nov 27 22:14:31.723 INFO [stderr] warning: struct is never constructed: `Cpu`
Nov 27 22:14:31.723 INFO [stderr]  --> src/cpu.rs:2:1
Nov 27 22:14:31.723 INFO [stderr]   |
Nov 27 22:14:31.723 INFO [stderr] 2 | struct Cpu {
Nov 27 22:14:31.723 INFO [stderr]   | ^^^^^^^^^^
Nov 27 22:14:31.723 INFO [stderr]   |
Nov 27 22:14:31.723 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 27 22:14:31.723 INFO [stderr] 
Nov 27 22:14:31.723 INFO [stderr] warning: struct is never constructed: `Registers`
Nov 27 22:14:31.723 INFO [stderr]  --> src/cpu.rs:7:1
Nov 27 22:14:31.723 INFO [stderr]   |
Nov 27 22:14:31.724 INFO [stderr] 7 | struct Registers {
Nov 27 22:14:31.724 INFO [stderr]   | ^^^^^^^^^^^^^^^^
Nov 27 22:14:31.724 INFO [stderr] 
Nov 27 22:14:31.724 INFO [stderr] warning: method is never used: `initialize`
Nov 27 22:14:31.724 INFO [stderr]   --> src/cpu.rs:18:5
Nov 27 22:14:31.724 INFO [stderr]    |
Nov 27 22:14:31.724 INFO [stderr] 18 |     fn initialize() -> Registers {
Nov 27 22:14:31.724 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 22:14:31.724 INFO [stderr] 
Nov 27 22:14:31.724 INFO [stderr] warning: method is never used: `initialize`
Nov 27 22:14:31.724 INFO [stderr]   --> src/cpu.rs:32:5
Nov 27 22:14:31.724 INFO [stderr]    |
Nov 27 22:14:31.724 INFO [stderr] 32 |     fn initialize() -> Cpu {
Nov 27 22:14:31.724 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Nov 27 22:14:31.724 INFO [stderr] 
Nov 27 22:14:31.724 INFO [stderr] warning: method is never used: `process_opcode`
Nov 27 22:14:31.724 INFO [stderr]   --> src/cpu.rs:39:5
Nov 27 22:14:31.724 INFO [stderr]    |
Nov 27 22:14:31.724 INFO [stderr] 39 |     fn process_opcode(&mut self, opcode: u16) {
Nov 27 22:14:31.724 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 22:14:31.724 INFO [stderr] 
Nov 27 22:14:31.724 INFO [stderr] warning: method is never used: `process_opcode_8`
Nov 27 22:14:31.724 INFO [stderr]    --> src/cpu.rs:162:5
Nov 27 22:14:31.724 INFO [stderr]     |
Nov 27 22:14:31.724 INFO [stderr] 162 |     fn process_opcode_8(&mut self, x: usize, y: usize, op: u8) {
Nov 27 22:14:31.724 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 22:14:31.724 INFO [stderr] 
Nov 27 22:14:31.724 INFO [stderr] warning: method is never used: `process_opcode_f`
Nov 27 22:14:31.724 INFO [stderr]    --> src/cpu.rs:224:5
Nov 27 22:14:31.724 INFO [stderr]     |
Nov 27 22:14:31.724 INFO [stderr] 224 |     fn process_opcode_f(&mut self, x: usize, op: u8) {
Nov 27 22:14:31.724 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 22:14:31.724 INFO [stderr] 
Nov 27 22:14:31.724 INFO [stderr] warning: function is never used: `get_nibble`
Nov 27 22:14:31.724 INFO [stderr]    --> src/cpu.rs:271:1
Nov 27 22:14:31.724 INFO [stderr]     |
Nov 27 22:14:31.724 INFO [stderr] 271 | fn get_nibble(index: u8, value: u16) -> usize {
Nov 27 22:14:31.725 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 22:14:31.725 INFO [stderr] 
Nov 27 22:14:31.789 INFO [stderr] warning: unused variable: `loc`
Nov 27 22:14:31.789 INFO [stderr]   --> src/cpu.rs:59:21
Nov 27 22:14:31.789 INFO [stderr]    |
Nov 27 22:14:31.789 INFO [stderr] 59 |                 let loc = opcode & 0xfff;
Nov 27 22:14:31.789 INFO [stderr]    |                     ^^^ help: consider using `_loc` instead
Nov 27 22:14:31.789 INFO [stderr]    |
Nov 27 22:14:31.789 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 27 22:14:31.789 INFO [stderr] 
Nov 27 22:14:31.789 INFO [stderr] warning: unused variable: `loc`
Nov 27 22:14:31.789 INFO [stderr]   --> src/cpu.rs:64:21
Nov 27 22:14:31.789 INFO [stderr]    |
Nov 27 22:14:31.789 INFO [stderr] 64 |                 let loc = opcode & 0xfff;
Nov 27 22:14:31.789 INFO [stderr]    |                     ^^^ help: consider using `_loc` instead
Nov 27 22:14:31.789 INFO [stderr] 
Nov 27 22:14:31.789 INFO [stderr] warning: unused variable: `loc`
Nov 27 22:14:31.789 INFO [stderr]    --> src/cpu.rs:121:21
Nov 27 22:14:31.789 INFO [stderr]     |
Nov 27 22:14:31.789 INFO [stderr] 121 |                 let loc = opcode & 0xfff;
Nov 27 22:14:31.789 INFO [stderr]     |                     ^^^ help: consider using `_loc` instead
Nov 27 22:14:31.789 INFO [stderr] 
Nov 27 22:14:31.789 INFO [stderr] warning: unused variable: `x`
Nov 27 22:14:31.789 INFO [stderr]    --> src/cpu.rs:126:21
Nov 27 22:14:31.789 INFO [stderr]     |
Nov 27 22:14:31.789 INFO [stderr] 126 |                 let x = get_nibble(2, opcode);
Nov 27 22:14:31.789 INFO [stderr]     |                     ^ help: consider using `_x` instead
Nov 27 22:14:31.789 INFO [stderr] 
Nov 27 22:14:31.789 INFO [stderr] warning: unused variable: `val`
Nov 27 22:14:31.789 INFO [stderr]    --> src/cpu.rs:127:21
Nov 27 22:14:31.789 INFO [stderr]     |
Nov 27 22:14:31.789 INFO [stderr] 127 |                 let val = opcode & 0xff;
Nov 27 22:14:31.789 INFO [stderr]     |                     ^^^ help: consider using `_val` instead
Nov 27 22:14:31.789 INFO [stderr] 
Nov 27 22:14:31.789 INFO [stderr] warning: unused variable: `x`
Nov 27 22:14:31.789 INFO [stderr]    --> src/cpu.rs:132:21
Nov 27 22:14:31.790 INFO [stderr]     |
Nov 27 22:14:31.790 INFO [stderr] 132 |                 let x = get_nibble(2, opcode);
Nov 27 22:14:31.790 INFO [stderr]     |                     ^ help: consider using `_x` instead
Nov 27 22:14:31.790 INFO [stderr] 
Nov 27 22:14:31.790 INFO [stderr] warning: unused variable: `y`
Nov 27 22:14:31.790 INFO [stderr]    --> src/cpu.rs:133:21
Nov 27 22:14:31.790 INFO [stderr]     |
Nov 27 22:14:31.790 INFO [stderr] 133 |                 let y = get_nibble(1, opcode);
Nov 27 22:14:31.790 INFO [stderr]     |                     ^ help: consider using `_y` instead
Nov 27 22:14:31.790 INFO [stderr] 
Nov 27 22:14:31.790 INFO [stderr] warning: unused variable: `n`
Nov 27 22:14:31.790 INFO [stderr]    --> src/cpu.rs:134:21
Nov 27 22:14:31.790 INFO [stderr]     |
Nov 27 22:14:31.790 INFO [stderr] 134 |                 let n = get_nibble(0, opcode);
Nov 27 22:14:31.790 INFO [stderr]     |                     ^ help: consider using `_n` instead
Nov 27 22:14:31.790 INFO [stderr] 
Nov 27 22:14:31.790 INFO [stderr] warning: unused variable: `x`
Nov 27 22:14:31.790 INFO [stderr]    --> src/cpu.rs:139:21
Nov 27 22:14:31.790 INFO [stderr]     |
Nov 27 22:14:31.790 INFO [stderr] 139 |                 let x = get_nibble(2, opcode);
Nov 27 22:14:31.790 INFO [stderr]     |                     ^ help: consider using `_x` instead
Nov 27 22:14:31.790 INFO [stderr] 
Nov 27 22:14:31.800 INFO [stderr] warning: struct is never constructed: `Cpu`
Nov 27 22:14:31.800 INFO [stderr]  --> src/cpu.rs:2:1
Nov 27 22:14:31.800 INFO [stderr]   |
Nov 27 22:14:31.800 INFO [stderr] 2 | struct Cpu {
Nov 27 22:14:31.800 INFO [stderr]   | ^^^^^^^^^^
Nov 27 22:14:31.800 INFO [stderr]   |
Nov 27 22:14:31.800 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 27 22:14:31.800 INFO [stderr] 
Nov 27 22:14:31.800 INFO [stderr] warning: struct is never constructed: `Registers`
Nov 27 22:14:31.800 INFO [stderr]  --> src/cpu.rs:7:1
Nov 27 22:14:31.800 INFO [stderr]   |
Nov 27 22:14:31.800 INFO [stderr] 7 | struct Registers {
Nov 27 22:14:31.800 INFO [stderr]   | ^^^^^^^^^^^^^^^^
Nov 27 22:14:31.800 INFO [stderr] 
Nov 27 22:14:31.800 INFO [stderr] warning: method is never used: `initialize`
Nov 27 22:14:31.800 INFO [stderr]   --> src/cpu.rs:18:5
Nov 27 22:14:31.800 INFO [stderr]    |
Nov 27 22:14:31.800 INFO [stderr] 18 |     fn initialize() -> Registers {
Nov 27 22:14:31.801 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 22:14:31.801 INFO [stderr] 
Nov 27 22:14:31.801 INFO [stderr] warning: method is never used: `initialize`
Nov 27 22:14:31.801 INFO [stderr]   --> src/cpu.rs:32:5
Nov 27 22:14:31.801 INFO [stderr]    |
Nov 27 22:14:31.801 INFO [stderr] 32 |     fn initialize() -> Cpu {
Nov 27 22:14:31.801 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Nov 27 22:14:31.801 INFO [stderr] 
Nov 27 22:14:31.801 INFO [stderr] warning: method is never used: `process_opcode`
Nov 27 22:14:31.801 INFO [stderr]   --> src/cpu.rs:39:5
Nov 27 22:14:31.801 INFO [stderr]    |
Nov 27 22:14:31.801 INFO [stderr] 39 |     fn process_opcode(&mut self, opcode: u16) {
Nov 27 22:14:31.801 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 22:14:31.801 INFO [stderr] 
Nov 27 22:14:31.801 INFO [stderr] warning: method is never used: `process_opcode_8`
Nov 27 22:14:31.801 INFO [stderr]    --> src/cpu.rs:162:5
Nov 27 22:14:31.801 INFO [stderr]     |
Nov 27 22:14:31.801 INFO [stderr] 162 |     fn process_opcode_8(&mut self, x: usize, y: usize, op: u8) {
Nov 27 22:14:31.801 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 22:14:31.801 INFO [stderr] 
Nov 27 22:14:31.801 INFO [stderr] warning: method is never used: `process_opcode_f`
Nov 27 22:14:31.801 INFO [stderr]    --> src/cpu.rs:224:5
Nov 27 22:14:31.801 INFO [stderr]     |
Nov 27 22:14:31.801 INFO [stderr] 224 |     fn process_opcode_f(&mut self, x: usize, op: u8) {
Nov 27 22:14:31.801 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 22:14:31.801 INFO [stderr] 
Nov 27 22:14:31.801 INFO [stderr] warning: function is never used: `get_nibble`
Nov 27 22:14:31.801 INFO [stderr]    --> src/cpu.rs:271:1
Nov 27 22:14:31.801 INFO [stderr]     |
Nov 27 22:14:31.801 INFO [stderr] 271 | fn get_nibble(index: u8, value: u16) -> usize {
Nov 27 22:14:31.801 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 22:14:31.801 INFO [stderr] 
Nov 27 22:14:31.844 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
Nov 27 22:14:31.848 INFO [stderr] su: No module specific data is present
Nov 27 22:14:32.832 INFO running `"docker" "inspect" "d93fa15d9eb6d3f020bd0b1777e710e329d5bc2708f89241f0284f55c9aec0e5"`
Nov 27 22:14:33.210 INFO running `"docker" "rm" "-f" "d93fa15d9eb6d3f020bd0b1777e710e329d5bc2708f89241f0284f55c9aec0e5"`
Nov 27 22:14:33.536 INFO [stdout] d93fa15d9eb6d3f020bd0b1777e710e329d5bc2708f89241f0284f55c9aec0e5