Dec 14 12:23:12.430 INFO testing AmaranthineCodices/chip8-int against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 12:23:12.430 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-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 14 12:23:13.031 INFO [stdout] 741f849a389424365a3c132dd39ebebd8b476a9db57802f7662e5e9936eb0948
Dec 14 12:23:13.034 INFO running `"docker" "start" "-a" "741f849a389424365a3c132dd39ebebd8b476a9db57802f7662e5e9936eb0948"`
Dec 14 12:23:14.042 INFO [stderr] usermod: no changes
Dec 14 12:23:14.404 INFO [stderr]    Compiling chip8-int v0.1.0 (/source)
Dec 14 12:23:14.948 INFO [stderr] warning: constant item is never used: `MEM_SIZE`
Dec 14 12:23:14.948 INFO [stderr]  --> src/chip8.rs:1:1
Dec 14 12:23:14.948 INFO [stderr]   |
Dec 14 12:23:14.948 INFO [stderr] 1 | const MEM_SIZE: usize = 0x1000;
Dec 14 12:23:14.948 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:23:14.948 INFO [stderr]   |
Dec 14 12:23:14.948 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 14 12:23:14.948 INFO [stderr] 
Dec 14 12:23:14.948 INFO [stderr] warning: constant item is never used: `GFX_SIZE_X`
Dec 14 12:23:14.948 INFO [stderr]  --> src/chip8.rs:2:1
Dec 14 12:23:14.948 INFO [stderr]   |
Dec 14 12:23:14.948 INFO [stderr] 2 | const GFX_SIZE_X: usize = 64;
Dec 14 12:23:14.949 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:23:14.949 INFO [stderr] 
Dec 14 12:23:14.949 INFO [stderr] warning: constant item is never used: `GFX_SIZE_Y`
Dec 14 12:23:14.949 INFO [stderr]  --> src/chip8.rs:3:1
Dec 14 12:23:14.949 INFO [stderr]   |
Dec 14 12:23:14.949 INFO [stderr] 3 | const GFX_SIZE_Y: usize = 32;
Dec 14 12:23:14.949 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:23:14.949 INFO [stderr] 
Dec 14 12:23:14.949 INFO [stderr] warning: variant is never constructed: `ClearDisplay`
Dec 14 12:23:14.949 INFO [stderr]  --> src/chip8.rs:8:5
Dec 14 12:23:14.949 INFO [stderr]   |
Dec 14 12:23:14.949 INFO [stderr] 8 |     ClearDisplay,
Dec 14 12:23:14.949 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 14 12:23:14.949 INFO [stderr] 
Dec 14 12:23:14.949 INFO [stderr] warning: variant is never constructed: `Return`
Dec 14 12:23:14.949 INFO [stderr]  --> src/chip8.rs:9:5
Dec 14 12:23:14.949 INFO [stderr]   |
Dec 14 12:23:14.949 INFO [stderr] 9 |     Return,
Dec 14 12:23:14.949 INFO [stderr]   |     ^^^^^^
Dec 14 12:23:14.949 INFO [stderr] 
Dec 14 12:23:14.949 INFO [stderr] warning: variant is never constructed: `Jump`
Dec 14 12:23:14.949 INFO [stderr]   --> src/chip8.rs:11:5
Dec 14 12:23:14.949 INFO [stderr]    |
Dec 14 12:23:14.949 INFO [stderr] 11 |     Jump { address: u16 },
Dec 14 12:23:14.949 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:23:14.949 INFO [stderr] 
Dec 14 12:23:14.949 INFO [stderr] warning: variant is never constructed: `Call`
Dec 14 12:23:14.949 INFO [stderr]   --> src/chip8.rs:13:5
Dec 14 12:23:14.949 INFO [stderr]    |
Dec 14 12:23:14.949 INFO [stderr] 13 |     Call { address: u16 },
Dec 14 12:23:14.949 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:23:14.949 INFO [stderr] 
Dec 14 12:23:14.949 INFO [stderr] warning: variant is never constructed: `SkipIfEqual`
Dec 14 12:23:14.949 INFO [stderr]   --> src/chip8.rs:15:5
Dec 14 12:23:14.949 INFO [stderr]    |
Dec 14 12:23:14.949 INFO [stderr] 15 |     SkipIfEqual { register: usize, value: u8 },
Dec 14 12:23:14.949 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:23:14.949 INFO [stderr] 
Dec 14 12:23:14.949 INFO [stderr] warning: variant is never constructed: `SkipIfNotEqual`
Dec 14 12:23:14.949 INFO [stderr]   --> src/chip8.rs:17:5
Dec 14 12:23:14.949 INFO [stderr]    |
Dec 14 12:23:14.949 INFO [stderr] 17 |     SkipIfNotEqual { register: usize, value: u8 },
Dec 14 12:23:14.949 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:23:14.949 INFO [stderr] 
Dec 14 12:23:14.949 INFO [stderr] warning: variant is never constructed: `SkipIfRegistersEqual`
Dec 14 12:23:14.949 INFO [stderr]   --> src/chip8.rs:19:5
Dec 14 12:23:14.949 INFO [stderr]    |
Dec 14 12:23:14.949 INFO [stderr] 19 |     SkipIfRegistersEqual { register1: usize, register2: usize },
Dec 14 12:23:14.949 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:23:14.949 INFO [stderr] 
Dec 14 12:23:14.949 INFO [stderr] warning: variant is never constructed: `SetRegister`
Dec 14 12:23:14.949 INFO [stderr]   --> src/chip8.rs:21:5
Dec 14 12:23:14.949 INFO [stderr]    |
Dec 14 12:23:14.949 INFO [stderr] 21 |     SetRegister { register: usize, value: u8 },
Dec 14 12:23:14.949 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:23:14.949 INFO [stderr] 
Dec 14 12:23:14.949 INFO [stderr] warning: variant is never constructed: `AddConstant`
Dec 14 12:23:14.949 INFO [stderr]   --> src/chip8.rs:23:5
Dec 14 12:23:14.949 INFO [stderr]    |
Dec 14 12:23:14.949 INFO [stderr] 23 |     AddConstant { register: usize, value: u8 },
Dec 14 12:23:14.949 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:23:14.949 INFO [stderr] 
Dec 14 12:23:14.951 INFO [stderr] warning: variant is never constructed: `CopyRegister`
Dec 14 12:23:14.951 INFO [stderr]   --> src/chip8.rs:25:5
Dec 14 12:23:14.951 INFO [stderr]    |
Dec 14 12:23:14.951 INFO [stderr] 25 |     CopyRegister { source: usize, target: usize },
Dec 14 12:23:14.951 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:23:14.951 INFO [stderr] 
Dec 14 12:23:14.951 INFO [stderr] warning: variant is never constructed: `BitOr`
Dec 14 12:23:14.951 INFO [stderr]   --> src/chip8.rs:27:5
Dec 14 12:23:14.951 INFO [stderr]    |
Dec 14 12:23:14.951 INFO [stderr] 27 |     BitOr { target: usize, other: usize },
Dec 14 12:23:14.951 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:23:14.951 INFO [stderr] 
Dec 14 12:23:14.951 INFO [stderr] warning: variant is never constructed: `BitAnd`
Dec 14 12:23:14.951 INFO [stderr]   --> src/chip8.rs:29:5
Dec 14 12:23:14.951 INFO [stderr]    |
Dec 14 12:23:14.951 INFO [stderr] 29 |     BitAnd { target: usize, other: usize },
Dec 14 12:23:14.951 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:23:14.951 INFO [stderr] 
Dec 14 12:23:14.951 INFO [stderr] warning: variant is never constructed: `BitXor`
Dec 14 12:23:14.951 INFO [stderr]   --> src/chip8.rs:31:5
Dec 14 12:23:14.951 INFO [stderr]    |
Dec 14 12:23:14.951 INFO [stderr] 31 |     BitXor { target: usize, other: usize },
Dec 14 12:23:14.951 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:23:14.951 INFO [stderr] 
Dec 14 12:23:14.951 INFO [stderr] warning: variant is never constructed: `AddRegister`
Dec 14 12:23:14.951 INFO [stderr]   --> src/chip8.rs:33:5
Dec 14 12:23:14.951 INFO [stderr]    |
Dec 14 12:23:14.951 INFO [stderr] 33 |     AddRegister { target: usize, other: usize },
Dec 14 12:23:14.951 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:23:14.951 INFO [stderr] 
Dec 14 12:23:14.951 INFO [stderr] warning: variant is never constructed: `SubtractRegister`
Dec 14 12:23:14.951 INFO [stderr]   --> src/chip8.rs:35:5
Dec 14 12:23:14.951 INFO [stderr]    |
Dec 14 12:23:14.951 INFO [stderr] 35 |     SubtractRegister { target: usize, other: usize },
Dec 14 12:23:14.951 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:23:14.951 INFO [stderr] 
Dec 14 12:23:14.951 INFO [stderr] warning: variant is never constructed: `AltSubtractRegister`
Dec 14 12:23:14.951 INFO [stderr]   --> src/chip8.rs:37:5
Dec 14 12:23:14.951 INFO [stderr]    |
Dec 14 12:23:14.951 INFO [stderr] 37 |     AltSubtractRegister { target: usize, other: usize },
Dec 14 12:23:14.951 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:23:14.951 INFO [stderr] 
Dec 14 12:23:14.951 INFO [stderr] warning: variant is never constructed: `LeftShift`
Dec 14 12:23:14.951 INFO [stderr]   --> src/chip8.rs:39:5
Dec 14 12:23:14.951 INFO [stderr]    |
Dec 14 12:23:14.951 INFO [stderr] 39 |     LeftShift { target: usize, source: usize },
Dec 14 12:23:14.951 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:23:14.951 INFO [stderr] 
Dec 14 12:23:14.951 INFO [stderr] warning: variant is never constructed: `RightShift`
Dec 14 12:23:14.951 INFO [stderr]   --> src/chip8.rs:41:5
Dec 14 12:23:14.951 INFO [stderr]    |
Dec 14 12:23:14.951 INFO [stderr] 41 |     RightShift { target: usize, source: usize },
Dec 14 12:23:14.951 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:23:14.951 INFO [stderr] 
Dec 14 12:23:14.951 INFO [stderr] warning: variant is never constructed: `SkipIfRegistersNotEqual`
Dec 14 12:23:14.951 INFO [stderr]   --> src/chip8.rs:43:5
Dec 14 12:23:14.951 INFO [stderr]    |
Dec 14 12:23:14.951 INFO [stderr] 43 |     SkipIfRegistersNotEqual { register1: usize, register2: usize },
Dec 14 12:23:14.951 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:23:14.951 INFO [stderr] 
Dec 14 12:23:14.951 INFO [stderr] warning: variant is never constructed: `SetIndexRegister`
Dec 14 12:23:14.951 INFO [stderr]   --> src/chip8.rs:45:5
Dec 14 12:23:14.951 INFO [stderr]    |
Dec 14 12:23:14.951 INFO [stderr] 45 |     SetIndexRegister { value: u16 },
Dec 14 12:23:14.951 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:23:14.952 INFO [stderr] 
Dec 14 12:23:14.952 INFO [stderr] warning: variant is never constructed: `OffsetJump`
Dec 14 12:23:14.952 INFO [stderr]   --> src/chip8.rs:47:5
Dec 14 12:23:14.952 INFO [stderr]    |
Dec 14 12:23:14.952 INFO [stderr] 47 |     OffsetJump { address: u16 },
Dec 14 12:23:14.952 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:23:14.952 INFO [stderr] 
Dec 14 12:23:14.952 INFO [stderr] warning: variant is never constructed: `Rand`
Dec 14 12:23:14.952 INFO [stderr]   --> src/chip8.rs:49:5
Dec 14 12:23:14.952 INFO [stderr]    |
Dec 14 12:23:14.952 INFO [stderr] 49 |     Rand { mask: u8, register: usize },
Dec 14 12:23:14.952 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:23:14.952 INFO [stderr] 
Dec 14 12:23:14.952 INFO [stderr] warning: variant is never constructed: `Display`
Dec 14 12:23:14.952 INFO [stderr]   --> src/chip8.rs:51:5
Dec 14 12:23:14.952 INFO [stderr]    |
Dec 14 12:23:14.952 INFO [stderr] 51 |     Display { x: usize, y: usize, height: u8 },
Dec 14 12:23:14.952 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:23:14.952 INFO [stderr] 
Dec 14 12:23:14.952 INFO [stderr] warning: variant is never constructed: `SkipIfKeyPressed`
Dec 14 12:23:14.952 INFO [stderr]   --> src/chip8.rs:53:5
Dec 14 12:23:14.952 INFO [stderr]    |
Dec 14 12:23:14.952 INFO [stderr] 53 |     SkipIfKeyPressed { key: usize },
Dec 14 12:23:14.952 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:23:14.952 INFO [stderr] 
Dec 14 12:23:14.952 INFO [stderr] warning: variant is never constructed: `SkipIfKeyNotPressed`
Dec 14 12:23:14.952 INFO [stderr]   --> src/chip8.rs:55:5
Dec 14 12:23:14.952 INFO [stderr]    |
Dec 14 12:23:14.952 INFO [stderr] 55 |     SkipIfKeyNotPressed { key: usize },
Dec 14 12:23:14.952 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:23:14.952 INFO [stderr] 
Dec 14 12:23:14.952 INFO [stderr] warning: variant is never constructed: `GetDelayTimer`
Dec 14 12:23:14.952 INFO [stderr]   --> src/chip8.rs:57:5
Dec 14 12:23:14.952 INFO [stderr]    |
Dec 14 12:23:14.952 INFO [stderr] 57 |     GetDelayTimer { register: usize },
Dec 14 12:23:14.952 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:23:14.952 INFO [stderr] 
Dec 14 12:23:14.952 INFO [stderr] warning: variant is never constructed: `AwaitKeypress`
Dec 14 12:23:14.952 INFO [stderr]   --> src/chip8.rs:59:5
Dec 14 12:23:14.952 INFO [stderr]    |
Dec 14 12:23:14.952 INFO [stderr] 59 |     AwaitKeypress { register: usize },
Dec 14 12:23:14.952 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:23:14.952 INFO [stderr] 
Dec 14 12:23:14.952 INFO [stderr] warning: variant is never constructed: `SetDelayTimer`
Dec 14 12:23:14.952 INFO [stderr]   --> src/chip8.rs:61:5
Dec 14 12:23:14.952 INFO [stderr]    |
Dec 14 12:23:14.952 INFO [stderr] 61 |     SetDelayTimer { value: usize },
Dec 14 12:23:14.952 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:23:14.952 INFO [stderr] 
Dec 14 12:23:14.952 INFO [stderr] warning: variant is never constructed: `SetSoundTimer`
Dec 14 12:23:14.952 INFO [stderr]   --> src/chip8.rs:63:5
Dec 14 12:23:14.952 INFO [stderr]    |
Dec 14 12:23:14.952 INFO [stderr] 63 |     SetSoundTimer { value: usize },
Dec 14 12:23:14.952 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:23:14.952 INFO [stderr] 
Dec 14 12:23:14.952 INFO [stderr] warning: variant is never constructed: `IncrementIndexRegister`
Dec 14 12:23:14.952 INFO [stderr]   --> src/chip8.rs:65:5
Dec 14 12:23:14.952 INFO [stderr]    |
Dec 14 12:23:14.952 INFO [stderr] 65 |     IncrementIndexRegister { register: usize },
Dec 14 12:23:14.952 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:23:14.952 INFO [stderr] 
Dec 14 12:23:14.952 INFO [stderr] warning: variant is never constructed: `SetIndexToFont`
Dec 14 12:23:14.952 INFO [stderr]   --> src/chip8.rs:67:5
Dec 14 12:23:14.952 INFO [stderr]    |
Dec 14 12:23:14.952 INFO [stderr] 67 |     SetIndexToFont { register: usize },
Dec 14 12:23:14.952 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:23:14.952 INFO [stderr] 
Dec 14 12:23:14.952 INFO [stderr] warning: variant is never constructed: `StoreDecimal`
Dec 14 12:23:14.952 INFO [stderr]   --> src/chip8.rs:69:5
Dec 14 12:23:14.952 INFO [stderr]    |
Dec 14 12:23:14.952 INFO [stderr] 69 |     StoreDecimal { register: usize },
Dec 14 12:23:14.952 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:23:14.952 INFO [stderr] 
Dec 14 12:23:14.952 INFO [stderr] warning: variant is never constructed: `MemDump`
Dec 14 12:23:14.952 INFO [stderr]   --> src/chip8.rs:71:5
Dec 14 12:23:14.952 INFO [stderr]    |
Dec 14 12:23:14.952 INFO [stderr] 71 |     MemDump { max_register: usize },
Dec 14 12:23:14.952 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:23:14.952 INFO [stderr] 
Dec 14 12:23:14.952 INFO [stderr] warning: variant is never constructed: `MemLoad`
Dec 14 12:23:14.952 INFO [stderr]   --> src/chip8.rs:73:5
Dec 14 12:23:14.952 INFO [stderr]    |
Dec 14 12:23:14.952 INFO [stderr] 73 |     MemLoad { max_register: usize },
Dec 14 12:23:14.952 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:23:14.952 INFO [stderr] 
Dec 14 12:23:14.952 INFO [stderr] warning: function is never used: `decode_opcode`
Dec 14 12:23:14.953 INFO [stderr]   --> src/chip8.rs:76:1
Dec 14 12:23:14.953 INFO [stderr]    |
Dec 14 12:23:14.953 INFO [stderr] 76 | fn decode_opcode(opcode: u16) -> Option<Opcode> {
Dec 14 12:23:14.953 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:23:14.953 INFO [stderr] 
Dec 14 12:23:14.953 INFO [stderr] warning: struct is never constructed: `Chip8`
Dec 14 12:23:14.953 INFO [stderr]    --> src/chip8.rs:291:1
Dec 14 12:23:14.953 INFO [stderr]     |
Dec 14 12:23:14.953 INFO [stderr] 291 | pub struct Chip8 {
Dec 14 12:23:14.953 INFO [stderr]     | ^^^^^^^^^^^^^^^^
Dec 14 12:23:14.953 INFO [stderr] 
Dec 14 12:23:14.953 INFO [stderr] warning: method is never used: `new`
Dec 14 12:23:14.953 INFO [stderr]    --> src/chip8.rs:307:5
Dec 14 12:23:14.953 INFO [stderr]     |
Dec 14 12:23:14.953 INFO [stderr] 307 |     pub fn new() -> Chip8 {
Dec 14 12:23:14.953 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:23:14.953 INFO [stderr] 
Dec 14 12:23:14.953 INFO [stderr] warning: method is never used: `execute_opcode`
Dec 14 12:23:14.953 INFO [stderr]    --> src/chip8.rs:322:5
Dec 14 12:23:14.953 INFO [stderr]     |
Dec 14 12:23:14.953 INFO [stderr] 322 |     fn execute_opcode(&mut self, opcode: Opcode) {
Dec 14 12:23:14.953 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:23:14.953 INFO [stderr] 
Dec 14 12:23:14.953 INFO [stderr] warning: method is never used: `process_next_opcode`
Dec 14 12:23:14.953 INFO [stderr]    --> src/chip8.rs:479:5
Dec 14 12:23:14.953 INFO [stderr]     |
Dec 14 12:23:14.953 INFO [stderr] 479 |     fn process_next_opcode(&mut self) {
Dec 14 12:23:14.953 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:23:14.953 INFO [stderr] 
Dec 14 12:23:14.953 INFO [stderr] warning: method is never used: `step`
Dec 14 12:23:14.953 INFO [stderr]    --> src/chip8.rs:505:5
Dec 14 12:23:14.953 INFO [stderr]     |
Dec 14 12:23:14.953 INFO [stderr] 505 |     pub fn step(&mut self) {
Dec 14 12:23:14.953 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:23:14.953 INFO [stderr] 
Dec 14 12:23:15.169 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
Dec 14 12:23:15.182 INFO [stderr] su: No module specific data is present
Dec 14 12:23:15.476 INFO running `"docker" "inspect" "741f849a389424365a3c132dd39ebebd8b476a9db57802f7662e5e9936eb0948"`
Dec 14 12:23:15.593 INFO running `"docker" "rm" "-f" "741f849a389424365a3c132dd39ebebd8b476a9db57802f7662e5e9936eb0948"`
Dec 14 12:23:15.713 INFO [stdout] 741f849a389424365a3c132dd39ebebd8b476a9db57802f7662e5e9936eb0948
Dec 14 12:23:15.715 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen --no-run" "-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 14 12:23:15.920 INFO [stdout] 219ebf69b86d31e7b30595d449752e61f945921cb5dd4bcdd9e5f32b2a9a6926
Dec 14 12:23:15.924 INFO running `"docker" "start" "-a" "219ebf69b86d31e7b30595d449752e61f945921cb5dd4bcdd9e5f32b2a9a6926"`
Dec 14 12:23:16.551 INFO [stderr] usermod: no changes
Dec 14 12:23:16.715 INFO [stderr]    Compiling chip8-int v0.1.0 (/source)
Dec 14 12:23:18.461 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.91s
Dec 14 12:23:18.473 INFO [stderr] su: No module specific data is present
Dec 14 12:23:18.824 INFO running `"docker" "inspect" "219ebf69b86d31e7b30595d449752e61f945921cb5dd4bcdd9e5f32b2a9a6926"`
Dec 14 12:23:18.946 INFO running `"docker" "rm" "-f" "219ebf69b86d31e7b30595d449752e61f945921cb5dd4bcdd9e5f32b2a9a6926"`
Dec 14 12:23:19.030 INFO [stdout] 219ebf69b86d31e7b30595d449752e61f945921cb5dd4bcdd9e5f32b2a9a6926
Dec 14 12:23:19.033 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen" "-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 14 12:23:19.251 INFO [stdout] f3f71d9f3df6955414593c003feaebf7d37f32489752a659f0c2e2147403b2b4
Dec 14 12:23:19.257 INFO running `"docker" "start" "-a" "f3f71d9f3df6955414593c003feaebf7d37f32489752a659f0c2e2147403b2b4"`
Dec 14 12:23:19.775 INFO [stderr] usermod: no changes
Dec 14 12:23:19.961 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
Dec 14 12:23:19.976 INFO [stderr]      Running /target/debug/deps/chip8_int-a9a63d5d08fb0dac
Dec 14 12:23:19.979 INFO [stdout] 
Dec 14 12:23:19.979 INFO [stdout] running 15 tests
Dec 14 12:23:19.979 INFO [stdout] test chip8::test::opcode_executing::jump ... ok
Dec 14 12:23:19.979 INFO [stdout] test chip8::test::opcode_executing::copy_register ... ok
Dec 14 12:23:19.979 INFO [stdout] test chip8::test::opcode_executing::bit_xor ... ok
Dec 14 12:23:19.979 INFO [stdout] test chip8::test::opcode_executing::set_register ... ok
Dec 14 12:23:19.979 INFO [stdout] test chip8::test::opcode_executing::bit_or ... ok
Dec 14 12:23:19.979 INFO [stdout] test chip8::test::opcode_executing::skip_if_eq_const ... ok
Dec 14 12:23:19.979 INFO [stdout] test chip8::test::opcode_executing::bit_and ... ok
Dec 14 12:23:19.979 INFO [stdout] test chip8::test::opcode_executing::skip_if_not_eq_const ... ok
Dec 14 12:23:19.979 INFO [stdout] test chip8::test::opcode_executing::skip_if_registers_eq ... ok
Dec 14 12:23:19.979 INFO [stdout] test chip8::test::opcode_decoding::test_decoding ... ok
Dec 14 12:23:19.979 INFO [stdout] test chip8::test::step_decrements_timers ... ok
Dec 14 12:23:19.980 INFO [stdout] test chip8::test::opcode_executing::register_add ... ok
Dec 14 12:23:19.980 INFO [stdout] test chip8::test::opcode_executing::register_sub ... ok
Dec 14 12:23:19.980 INFO [stdout] test chip8::test::opcode_executing::add_const ... ok
Dec 14 12:23:19.980 INFO [stdout] test chip8::test::opcode_executing::set_idx_reg ... ok
Dec 14 12:23:19.980 INFO [stdout] 
Dec 14 12:23:19.980 INFO [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 12:23:19.980 INFO [stdout] 
Dec 14 12:23:19.982 INFO [stderr] su: No module specific data is present
Dec 14 12:23:20.415 INFO running `"docker" "inspect" "f3f71d9f3df6955414593c003feaebf7d37f32489752a659f0c2e2147403b2b4"`
Dec 14 12:23:20.520 INFO running `"docker" "rm" "-f" "f3f71d9f3df6955414593c003feaebf7d37f32489752a659f0c2e2147403b2b4"`
Dec 14 12:23:20.623 INFO [stdout] f3f71d9f3df6955414593c003feaebf7d37f32489752a659f0c2e2147403b2b4