Dec 06 01:35:04.200 INFO testing dixe/Chip-8 against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 01:35:04.200 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06 01:35:04.784 INFO [stdout] 522099ba06e3cfa39a91daf35c73f5ca1d92da96fac0674a4fb473018a56d9d7
Dec 06 01:35:04.787 INFO running `"docker" "start" "-a" "522099ba06e3cfa39a91daf35c73f5ca1d92da96fac0674a4fb473018a56d9d7"`
Dec 06 01:35:05.780 INFO [stderr] usermod: no changes
Dec 06 01:35:05.836 INFO [stderr]    Compiling chip8 v0.1.0 (/source)
Dec 06 01:35:06.208 INFO [stderr] warning: unused variable: `inst`
Dec 06 01:35:06.208 INFO [stderr]   --> src/main.rs:62:9
Dec 06 01:35:06.208 INFO [stderr]    |
Dec 06 01:35:06.208 INFO [stderr] 62 |     let inst = &instructions[chip.pc as usize];
Dec 06 01:35:06.208 INFO [stderr]    |         ^^^^ help: consider using `_inst` instead
Dec 06 01:35:06.208 INFO [stderr]    |
Dec 06 01:35:06.208 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 06 01:35:06.208 INFO [stderr] 
Dec 06 01:35:06.213 INFO [stderr] warning: variable does not need to be mutable
Dec 06 01:35:06.213 INFO [stderr]   --> src/main.rs:46:9
Dec 06 01:35:06.213 INFO [stderr]    |
Dec 06 01:35:06.213 INFO [stderr] 46 |     let mut instructions = &[Instruction::AddC {val: 10, vx:0},
Dec 06 01:35:06.213 INFO [stderr]    |         ----^^^^^^^^^^^^
Dec 06 01:35:06.213 INFO [stderr]    |         |
Dec 06 01:35:06.213 INFO [stderr]    |         help: remove this `mut`
Dec 06 01:35:06.213 INFO [stderr]    |
Dec 06 01:35:06.213 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 06 01:35:06.213 INFO [stderr] 
Dec 06 01:35:06.213 INFO [stderr] warning: variant is never constructed: `Clear`
Dec 06 01:35:06.213 INFO [stderr]  --> src/main.rs:9:5
Dec 06 01:35:06.213 INFO [stderr]   |
Dec 06 01:35:06.213 INFO [stderr] 9 |     Clear,
Dec 06 01:35:06.213 INFO [stderr]   |     ^^^^^
Dec 06 01:35:06.213 INFO [stderr]   |
Dec 06 01:35:06.213 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 06 01:35:06.213 INFO [stderr] 
Dec 06 01:35:06.213 INFO [stderr] warning: variant is never constructed: `Ret`
Dec 06 01:35:06.213 INFO [stderr]   --> src/main.rs:10:5
Dec 06 01:35:06.213 INFO [stderr]    |
Dec 06 01:35:06.213 INFO [stderr] 10 |     Ret,
Dec 06 01:35:06.213 INFO [stderr]    |     ^^^
Dec 06 01:35:06.213 INFO [stderr] 
Dec 06 01:35:06.213 INFO [stderr] warning: variant is never constructed: `Call`
Dec 06 01:35:06.213 INFO [stderr]   --> src/main.rs:12:5
Dec 06 01:35:06.213 INFO [stderr]    |
Dec 06 01:35:06.213 INFO [stderr] 12 |     Call {address: u16},
Dec 06 01:35:06.213 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 06 01:35:06.213 INFO [stderr] 
Dec 06 01:35:06.213 INFO [stderr] warning: variant is never constructed: `SkipNeq`
Dec 06 01:35:06.213 INFO [stderr]   --> src/main.rs:14:5
Dec 06 01:35:06.213 INFO [stderr]    |
Dec 06 01:35:06.213 INFO [stderr] 14 |     SkipNeq {val: u8},
Dec 06 01:35:06.213 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 06 01:35:06.213 INFO [stderr] 
Dec 06 01:35:06.213 INFO [stderr] warning: variant is never constructed: `SkipEqReg`
Dec 06 01:35:06.213 INFO [stderr]   --> src/main.rs:15:5
Dec 06 01:35:06.213 INFO [stderr]    |
Dec 06 01:35:06.213 INFO [stderr] 15 |     SkipEqReg {val: u8, vy: u8, vx: u8},
Dec 06 01:35:06.213 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 01:35:06.213 INFO [stderr] 
Dec 06 01:35:06.213 INFO [stderr] warning: variant is never constructed: `SetC`
Dec 06 01:35:06.213 INFO [stderr]   --> src/main.rs:16:5
Dec 06 01:35:06.213 INFO [stderr]    |
Dec 06 01:35:06.213 INFO [stderr] 16 |     SetC {val: u8, vx: u8}, // VX = val
Dec 06 01:35:06.213 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 06 01:35:06.213 INFO [stderr] 
Dec 06 01:35:06.213 INFO [stderr] warning: variant is never constructed: `SetR`
Dec 06 01:35:06.213 INFO [stderr]   --> src/main.rs:18:5
Dec 06 01:35:06.213 INFO [stderr]    |
Dec 06 01:35:06.213 INFO [stderr] 18 |     SetR {vx: u8, vy: u8}, // Vx = reg[vy]
Dec 06 01:35:06.213 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 06 01:35:06.213 INFO [stderr] 
Dec 06 01:35:06.213 INFO [stderr] warning: variant is never constructed: `OrR`
Dec 06 01:35:06.213 INFO [stderr]   --> src/main.rs:19:5
Dec 06 01:35:06.213 INFO [stderr]    |
Dec 06 01:35:06.213 INFO [stderr] 19 |     OrR {vx: u8, vy: u8},
Dec 06 01:35:06.213 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 06 01:35:06.213 INFO [stderr] 
Dec 06 01:35:06.213 INFO [stderr] warning: variant is never constructed: `AndR`
Dec 06 01:35:06.213 INFO [stderr]   --> src/main.rs:20:5
Dec 06 01:35:06.213 INFO [stderr]    |
Dec 06 01:35:06.213 INFO [stderr] 20 |     AndR {vx: u8, vy: u8},
Dec 06 01:35:06.213 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 06 01:35:06.213 INFO [stderr] 
Dec 06 01:35:06.213 INFO [stderr] warning: variant is never constructed: `XorR`
Dec 06 01:35:06.213 INFO [stderr]   --> src/main.rs:21:5
Dec 06 01:35:06.213 INFO [stderr]    |
Dec 06 01:35:06.213 INFO [stderr] 21 |     XorR {vx: u8, vy: u8},
Dec 06 01:35:06.213 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 06 01:35:06.213 INFO [stderr] 
Dec 06 01:35:06.213 INFO [stderr] warning: variant is never constructed: `AddR`
Dec 06 01:35:06.213 INFO [stderr]   --> src/main.rs:22:5
Dec 06 01:35:06.213 INFO [stderr]    |
Dec 06 01:35:06.213 INFO [stderr] 22 |     AddR {vx: u8, vy: u8}, // Remeber to set carry VF
Dec 06 01:35:06.213 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 06 01:35:06.213 INFO [stderr] 
Dec 06 01:35:06.213 INFO [stderr] warning: variant is never constructed: `SubR`
Dec 06 01:35:06.213 INFO [stderr]   --> src/main.rs:23:5
Dec 06 01:35:06.214 INFO [stderr]    |
Dec 06 01:35:06.214 INFO [stderr] 23 |     SubR {vx: u8, vy: u8}, // Remeber to set carry VF
Dec 06 01:35:06.214 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 06 01:35:06.214 INFO [stderr] 
Dec 06 01:35:06.214 INFO [stderr] warning: variant is never constructed: `ShiftR`
Dec 06 01:35:06.214 INFO [stderr]   --> src/main.rs:24:5
Dec 06 01:35:06.214 INFO [stderr]    |
Dec 06 01:35:06.214 INFO [stderr] 24 |     ShiftR{vx: u8}, // VF is set to least sig bit before shift
Dec 06 01:35:06.214 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 06 01:35:06.214 INFO [stderr] 
Dec 06 01:35:06.214 INFO [stderr] warning: variant is never constructed: `SubSwitch`
Dec 06 01:35:06.214 INFO [stderr]   --> src/main.rs:25:5
Dec 06 01:35:06.214 INFO [stderr]    |
Dec 06 01:35:06.214 INFO [stderr] 25 |     SubSwitch{ vx: u8, vy: u8}, // VF 0 when borrow and 1 if not
Dec 06 01:35:06.214 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 01:35:06.214 INFO [stderr] 
Dec 06 01:35:06.214 INFO [stderr] warning: variant is never constructed: `ShiftL`
Dec 06 01:35:06.214 INFO [stderr]   --> src/main.rs:26:5
Dec 06 01:35:06.214 INFO [stderr]    |
Dec 06 01:35:06.214 INFO [stderr] 26 |     ShiftL{ vx: u8}, // vf set to most sig bit before shift
Dec 06 01:35:06.214 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 06 01:35:06.214 INFO [stderr] 
Dec 06 01:35:06.214 INFO [stderr] warning: variant is never constructed: `NOP`
Dec 06 01:35:06.214 INFO [stderr]   --> src/main.rs:27:5
Dec 06 01:35:06.214 INFO [stderr]    |
Dec 06 01:35:06.214 INFO [stderr] 27 |     NOP
Dec 06 01:35:06.214 INFO [stderr]    |     ^^^
Dec 06 01:35:06.214 INFO [stderr] 
Dec 06 01:35:06.214 INFO [stderr] warning: field is never used: `ireg`
Dec 06 01:35:06.214 INFO [stderr]   --> src/main.rs:32:5
Dec 06 01:35:06.214 INFO [stderr]    |
Dec 06 01:35:06.214 INFO [stderr] 32 |     ireg: u16,
Dec 06 01:35:06.214 INFO [stderr]    |     ^^^^^^^^^
Dec 06 01:35:06.214 INFO [stderr] 
Dec 06 01:35:06.214 INFO [stderr] warning: field is never used: `memory`
Dec 06 01:35:06.214 INFO [stderr]   --> src/main.rs:33:5
Dec 06 01:35:06.214 INFO [stderr]    |
Dec 06 01:35:06.214 INFO [stderr] 33 |     memory: [u8; 4096],
Dec 06 01:35:06.214 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 06 01:35:06.214 INFO [stderr] 
Dec 06 01:35:06.214 INFO [stderr] warning: variable `progLen` should have a snake case name such as `prog_len`
Dec 06 01:35:06.214 INFO [stderr]   --> src/main.rs:64:9
Dec 06 01:35:06.214 INFO [stderr]    |
Dec 06 01:35:06.214 INFO [stderr] 64 |     let progLen  = instructions.len();
Dec 06 01:35:06.214 INFO [stderr]    |         ^^^^^^^
Dec 06 01:35:06.214 INFO [stderr]    |
Dec 06 01:35:06.214 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 06 01:35:06.214 INFO [stderr] 
Dec 06 01:35:06.452 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
Dec 06 01:35:06.454 INFO [stderr] su: No module specific data is present
Dec 06 01:35:07.004 INFO running `"docker" "inspect" "522099ba06e3cfa39a91daf35c73f5ca1d92da96fac0674a4fb473018a56d9d7"`
Dec 06 01:35:07.348 INFO running `"docker" "rm" "-f" "522099ba06e3cfa39a91daf35c73f5ca1d92da96fac0674a4fb473018a56d9d7"`
Dec 06 01:35:07.738 INFO [stdout] 522099ba06e3cfa39a91daf35c73f5ca1d92da96fac0674a4fb473018a56d9d7
Dec 06 01:35:07.748 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06 01:35:08.253 INFO [stdout] 491f238fbf9be242f225fd7e2eb62e1995080f8cf2fa5bebb7502bde4324a155
Dec 06 01:35:08.264 INFO running `"docker" "start" "-a" "491f238fbf9be242f225fd7e2eb62e1995080f8cf2fa5bebb7502bde4324a155"`
Dec 06 01:35:09.347 INFO [stderr] usermod: no changes
Dec 06 01:35:09.397 INFO [stderr]    Compiling chip8 v0.1.0 (/source)
Dec 06 01:35:09.812 INFO [stderr] warning: unused variable: `inst`
Dec 06 01:35:09.812 INFO [stderr]   --> src/main.rs:62:9
Dec 06 01:35:09.812 INFO [stderr]    |
Dec 06 01:35:09.812 INFO [stderr] 62 |     let inst = &instructions[chip.pc as usize];
Dec 06 01:35:09.812 INFO [stderr]    |         ^^^^ help: consider using `_inst` instead
Dec 06 01:35:09.812 INFO [stderr]    |
Dec 06 01:35:09.812 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 06 01:35:09.812 INFO [stderr] 
Dec 06 01:35:09.812 INFO [stderr] warning: variable does not need to be mutable
Dec 06 01:35:09.812 INFO [stderr]   --> src/main.rs:46:9
Dec 06 01:35:09.812 INFO [stderr]    |
Dec 06 01:35:09.812 INFO [stderr] 46 |     let mut instructions = &[Instruction::AddC {val: 10, vx:0},
Dec 06 01:35:09.812 INFO [stderr]    |         ----^^^^^^^^^^^^
Dec 06 01:35:09.812 INFO [stderr]    |         |
Dec 06 01:35:09.812 INFO [stderr]    |         help: remove this `mut`
Dec 06 01:35:09.812 INFO [stderr]    |
Dec 06 01:35:09.812 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 06 01:35:09.812 INFO [stderr] 
Dec 06 01:35:09.812 INFO [stderr] warning: variant is never constructed: `Clear`
Dec 06 01:35:09.812 INFO [stderr]  --> src/main.rs:9:5
Dec 06 01:35:09.812 INFO [stderr]   |
Dec 06 01:35:09.812 INFO [stderr] 9 |     Clear,
Dec 06 01:35:09.812 INFO [stderr]   |     ^^^^^
Dec 06 01:35:09.812 INFO [stderr]   |
Dec 06 01:35:09.812 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 06 01:35:09.812 INFO [stderr] 
Dec 06 01:35:09.812 INFO [stderr] warning: variant is never constructed: `Ret`
Dec 06 01:35:09.812 INFO [stderr]   --> src/main.rs:10:5
Dec 06 01:35:09.812 INFO [stderr]    |
Dec 06 01:35:09.812 INFO [stderr] 10 |     Ret,
Dec 06 01:35:09.812 INFO [stderr]    |     ^^^
Dec 06 01:35:09.812 INFO [stderr] 
Dec 06 01:35:09.812 INFO [stderr] warning: variant is never constructed: `Call`
Dec 06 01:35:09.812 INFO [stderr]   --> src/main.rs:12:5
Dec 06 01:35:09.812 INFO [stderr]    |
Dec 06 01:35:09.812 INFO [stderr] 12 |     Call {address: u16},
Dec 06 01:35:09.812 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 06 01:35:09.812 INFO [stderr] 
Dec 06 01:35:09.812 INFO [stderr] warning: variant is never constructed: `SkipNeq`
Dec 06 01:35:09.813 INFO [stderr]   --> src/main.rs:14:5
Dec 06 01:35:09.813 INFO [stderr]    |
Dec 06 01:35:09.813 INFO [stderr] 14 |     SkipNeq {val: u8},
Dec 06 01:35:09.813 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 06 01:35:09.813 INFO [stderr] 
Dec 06 01:35:09.813 INFO [stderr] warning: variant is never constructed: `SkipEqReg`
Dec 06 01:35:09.813 INFO [stderr]   --> src/main.rs:15:5
Dec 06 01:35:09.813 INFO [stderr]    |
Dec 06 01:35:09.813 INFO [stderr] 15 |     SkipEqReg {val: u8, vy: u8, vx: u8},
Dec 06 01:35:09.813 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 01:35:09.813 INFO [stderr] 
Dec 06 01:35:09.813 INFO [stderr] warning: variant is never constructed: `SetC`
Dec 06 01:35:09.813 INFO [stderr]   --> src/main.rs:16:5
Dec 06 01:35:09.813 INFO [stderr]    |
Dec 06 01:35:09.813 INFO [stderr] 16 |     SetC {val: u8, vx: u8}, // VX = val
Dec 06 01:35:09.813 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 06 01:35:09.813 INFO [stderr] 
Dec 06 01:35:09.813 INFO [stderr] warning: variant is never constructed: `SetR`
Dec 06 01:35:09.813 INFO [stderr]   --> src/main.rs:18:5
Dec 06 01:35:09.813 INFO [stderr]    |
Dec 06 01:35:09.813 INFO [stderr] 18 |     SetR {vx: u8, vy: u8}, // Vx = reg[vy]
Dec 06 01:35:09.813 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 06 01:35:09.813 INFO [stderr] 
Dec 06 01:35:09.813 INFO [stderr] warning: variant is never constructed: `OrR`
Dec 06 01:35:09.813 INFO [stderr]   --> src/main.rs:19:5
Dec 06 01:35:09.813 INFO [stderr]    |
Dec 06 01:35:09.813 INFO [stderr] 19 |     OrR {vx: u8, vy: u8},
Dec 06 01:35:09.813 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 06 01:35:09.813 INFO [stderr] 
Dec 06 01:35:09.813 INFO [stderr] warning: variant is never constructed: `AndR`
Dec 06 01:35:09.813 INFO [stderr]   --> src/main.rs:20:5
Dec 06 01:35:09.813 INFO [stderr]    |
Dec 06 01:35:09.813 INFO [stderr] 20 |     AndR {vx: u8, vy: u8},
Dec 06 01:35:09.813 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 06 01:35:09.813 INFO [stderr] 
Dec 06 01:35:09.813 INFO [stderr] warning: variant is never constructed: `XorR`
Dec 06 01:35:09.813 INFO [stderr]   --> src/main.rs:21:5
Dec 06 01:35:09.813 INFO [stderr]    |
Dec 06 01:35:09.813 INFO [stderr] 21 |     XorR {vx: u8, vy: u8},
Dec 06 01:35:09.813 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 06 01:35:09.813 INFO [stderr] 
Dec 06 01:35:09.813 INFO [stderr] warning: variant is never constructed: `AddR`
Dec 06 01:35:09.813 INFO [stderr]   --> src/main.rs:22:5
Dec 06 01:35:09.813 INFO [stderr]    |
Dec 06 01:35:09.813 INFO [stderr] 22 |     AddR {vx: u8, vy: u8}, // Remeber to set carry VF
Dec 06 01:35:09.813 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 06 01:35:09.813 INFO [stderr] 
Dec 06 01:35:09.813 INFO [stderr] warning: variant is never constructed: `SubR`
Dec 06 01:35:09.813 INFO [stderr]   --> src/main.rs:23:5
Dec 06 01:35:09.813 INFO [stderr]    |
Dec 06 01:35:09.813 INFO [stderr] 23 |     SubR {vx: u8, vy: u8}, // Remeber to set carry VF
Dec 06 01:35:09.813 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 06 01:35:09.813 INFO [stderr] 
Dec 06 01:35:09.813 INFO [stderr] warning: variant is never constructed: `ShiftR`
Dec 06 01:35:09.813 INFO [stderr]   --> src/main.rs:24:5
Dec 06 01:35:09.813 INFO [stderr]    |
Dec 06 01:35:09.813 INFO [stderr] 24 |     ShiftR{vx: u8}, // VF is set to least sig bit before shift
Dec 06 01:35:09.813 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 06 01:35:09.813 INFO [stderr] 
Dec 06 01:35:09.813 INFO [stderr] warning: variant is never constructed: `SubSwitch`
Dec 06 01:35:09.813 INFO [stderr]   --> src/main.rs:25:5
Dec 06 01:35:09.813 INFO [stderr]    |
Dec 06 01:35:09.813 INFO [stderr] 25 |     SubSwitch{ vx: u8, vy: u8}, // VF 0 when borrow and 1 if not
Dec 06 01:35:09.813 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 01:35:09.813 INFO [stderr] 
Dec 06 01:35:09.813 INFO [stderr] warning: variant is never constructed: `ShiftL`
Dec 06 01:35:09.813 INFO [stderr]   --> src/main.rs:26:5
Dec 06 01:35:09.813 INFO [stderr]    |
Dec 06 01:35:09.813 INFO [stderr] 26 |     ShiftL{ vx: u8}, // vf set to most sig bit before shift
Dec 06 01:35:09.813 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 06 01:35:09.813 INFO [stderr] 
Dec 06 01:35:09.813 INFO [stderr] warning: variant is never constructed: `NOP`
Dec 06 01:35:09.813 INFO [stderr]   --> src/main.rs:27:5
Dec 06 01:35:09.813 INFO [stderr]    |
Dec 06 01:35:09.813 INFO [stderr] 27 |     NOP
Dec 06 01:35:09.813 INFO [stderr]    |     ^^^
Dec 06 01:35:09.813 INFO [stderr] 
Dec 06 01:35:09.813 INFO [stderr] warning: field is never used: `ireg`
Dec 06 01:35:09.813 INFO [stderr]   --> src/main.rs:32:5
Dec 06 01:35:09.813 INFO [stderr]    |
Dec 06 01:35:09.813 INFO [stderr] 32 |     ireg: u16,
Dec 06 01:35:09.813 INFO [stderr]    |     ^^^^^^^^^
Dec 06 01:35:09.813 INFO [stderr] 
Dec 06 01:35:09.813 INFO [stderr] warning: field is never used: `memory`
Dec 06 01:35:09.813 INFO [stderr]   --> src/main.rs:33:5
Dec 06 01:35:09.813 INFO [stderr]    |
Dec 06 01:35:09.813 INFO [stderr] 33 |     memory: [u8; 4096],
Dec 06 01:35:09.813 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 06 01:35:09.814 INFO [stderr] 
Dec 06 01:35:09.814 INFO [stderr] warning: variable `progLen` should have a snake case name such as `prog_len`
Dec 06 01:35:09.814 INFO [stderr]   --> src/main.rs:64:9
Dec 06 01:35:09.814 INFO [stderr]    |
Dec 06 01:35:09.814 INFO [stderr] 64 |     let progLen  = instructions.len();
Dec 06 01:35:09.814 INFO [stderr]    |         ^^^^^^^
Dec 06 01:35:09.814 INFO [stderr]    |
Dec 06 01:35:09.814 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 06 01:35:09.814 INFO [stderr] 
Dec 06 01:35:10.185 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
Dec 06 01:35:10.189 INFO [stderr] su: No module specific data is present
Dec 06 01:35:10.996 INFO running `"docker" "inspect" "491f238fbf9be242f225fd7e2eb62e1995080f8cf2fa5bebb7502bde4324a155"`
Dec 06 01:35:11.246 INFO running `"docker" "rm" "-f" "491f238fbf9be242f225fd7e2eb62e1995080f8cf2fa5bebb7502bde4324a155"`
Dec 06 01:35:11.600 INFO [stdout] 491f238fbf9be242f225fd7e2eb62e1995080f8cf2fa5bebb7502bde4324a155
Dec 06 01:35:11.608 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06 01:35:12.050 INFO [stdout] 43c70cfbe4d48fbf1dd72aab5e489b08b2f0b4409934993b3384ca2a0e4e858c
Dec 06 01:35:12.056 INFO running `"docker" "start" "-a" "43c70cfbe4d48fbf1dd72aab5e489b08b2f0b4409934993b3384ca2a0e4e858c"`
Dec 06 01:35:13.478 INFO [stderr] usermod: no changes
Dec 06 01:35:13.528 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 06 01:35:13.548 INFO [stderr]      Running /target/debug/deps/chip8-46fe8e5953b9ccf7
Dec 06 01:35:13.556 INFO [stdout] 
Dec 06 01:35:13.556 INFO [stdout] running 0 tests
Dec 06 01:35:13.556 INFO [stdout] 
Dec 06 01:35:13.556 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 01:35:13.556 INFO [stdout] 
Dec 06 01:35:13.560 INFO [stderr] su: No module specific data is present
Dec 06 01:35:14.408 INFO running `"docker" "inspect" "43c70cfbe4d48fbf1dd72aab5e489b08b2f0b4409934993b3384ca2a0e4e858c"`
Dec 06 01:35:14.770 INFO running `"docker" "rm" "-f" "43c70cfbe4d48fbf1dd72aab5e489b08b2f0b4409934993b3384ca2a0e4e858c"`
Dec 06 01:35:15.156 INFO [stdout] 43c70cfbe4d48fbf1dd72aab5e489b08b2f0b4409934993b3384ca2a0e4e858c