Dec 13 21:20:00.931 INFO testing dixe/Chip-8 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 21:20:00.932 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 13 21:20:01.324 INFO [stdout] 4aaaf4bda87b0759f5f45f386c0b29d85ab658fcea8cea15574744adeadb009e
Dec 13 21:20:01.326 INFO running `"docker" "start" "-a" "4aaaf4bda87b0759f5f45f386c0b29d85ab658fcea8cea15574744adeadb009e"`
Dec 13 21:20:02.819 INFO [stderr] usermod: no changes
Dec 13 21:20:02.883 INFO [stderr]    Compiling chip8 v0.1.0 (/source)
Dec 13 21:20:03.327 INFO [stderr] warning: unused variable: `inst`
Dec 13 21:20:03.327 INFO [stderr]   --> src/main.rs:62:9
Dec 13 21:20:03.327 INFO [stderr]    |
Dec 13 21:20:03.327 INFO [stderr] 62 |     let inst = &instructions[chip.pc as usize];
Dec 13 21:20:03.327 INFO [stderr]    |         ^^^^ help: consider using `_inst` instead
Dec 13 21:20:03.327 INFO [stderr]    |
Dec 13 21:20:03.327 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 21:20:03.327 INFO [stderr] 
Dec 13 21:20:03.327 INFO [stderr] warning: variable does not need to be mutable
Dec 13 21:20:03.327 INFO [stderr]   --> src/main.rs:46:9
Dec 13 21:20:03.327 INFO [stderr]    |
Dec 13 21:20:03.327 INFO [stderr] 46 |     let mut instructions = &[Instruction::AddC {val: 10, vx:0},
Dec 13 21:20:03.327 INFO [stderr]    |         ----^^^^^^^^^^^^
Dec 13 21:20:03.327 INFO [stderr]    |         |
Dec 13 21:20:03.327 INFO [stderr]    |         help: remove this `mut`
Dec 13 21:20:03.327 INFO [stderr]    |
Dec 13 21:20:03.327 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 13 21:20:03.327 INFO [stderr] 
Dec 13 21:20:03.335 INFO [stderr] warning: variant is never constructed: `Clear`
Dec 13 21:20:03.335 INFO [stderr]  --> src/main.rs:9:5
Dec 13 21:20:03.335 INFO [stderr]   |
Dec 13 21:20:03.335 INFO [stderr] 9 |     Clear,
Dec 13 21:20:03.335 INFO [stderr]   |     ^^^^^
Dec 13 21:20:03.335 INFO [stderr]   |
Dec 13 21:20:03.335 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 13 21:20:03.335 INFO [stderr] 
Dec 13 21:20:03.335 INFO [stderr] warning: variant is never constructed: `Ret`
Dec 13 21:20:03.335 INFO [stderr]   --> src/main.rs:10:5
Dec 13 21:20:03.335 INFO [stderr]    |
Dec 13 21:20:03.335 INFO [stderr] 10 |     Ret,
Dec 13 21:20:03.335 INFO [stderr]    |     ^^^
Dec 13 21:20:03.335 INFO [stderr] 
Dec 13 21:20:03.335 INFO [stderr] warning: variant is never constructed: `Call`
Dec 13 21:20:03.335 INFO [stderr]   --> src/main.rs:12:5
Dec 13 21:20:03.335 INFO [stderr]    |
Dec 13 21:20:03.335 INFO [stderr] 12 |     Call {address: u16},
Dec 13 21:20:03.335 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 13 21:20:03.335 INFO [stderr] 
Dec 13 21:20:03.335 INFO [stderr] warning: variant is never constructed: `SkipNeq`
Dec 13 21:20:03.335 INFO [stderr]   --> src/main.rs:14:5
Dec 13 21:20:03.335 INFO [stderr]    |
Dec 13 21:20:03.335 INFO [stderr] 14 |     SkipNeq {val: u8},
Dec 13 21:20:03.335 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 13 21:20:03.335 INFO [stderr] 
Dec 13 21:20:03.335 INFO [stderr] warning: variant is never constructed: `SkipEqReg`
Dec 13 21:20:03.335 INFO [stderr]   --> src/main.rs:15:5
Dec 13 21:20:03.335 INFO [stderr]    |
Dec 13 21:20:03.335 INFO [stderr] 15 |     SkipEqReg {val: u8, vy: u8, vx: u8},
Dec 13 21:20:03.335 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 21:20:03.335 INFO [stderr] 
Dec 13 21:20:03.335 INFO [stderr] warning: variant is never constructed: `SetC`
Dec 13 21:20:03.335 INFO [stderr]   --> src/main.rs:16:5
Dec 13 21:20:03.335 INFO [stderr]    |
Dec 13 21:20:03.335 INFO [stderr] 16 |     SetC {val: u8, vx: u8}, // VX = val
Dec 13 21:20:03.335 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 13 21:20:03.335 INFO [stderr] 
Dec 13 21:20:03.335 INFO [stderr] warning: variant is never constructed: `SetR`
Dec 13 21:20:03.335 INFO [stderr]   --> src/main.rs:18:5
Dec 13 21:20:03.335 INFO [stderr]    |
Dec 13 21:20:03.335 INFO [stderr] 18 |     SetR {vx: u8, vy: u8}, // Vx = reg[vy]
Dec 13 21:20:03.335 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 13 21:20:03.335 INFO [stderr] 
Dec 13 21:20:03.335 INFO [stderr] warning: variant is never constructed: `OrR`
Dec 13 21:20:03.335 INFO [stderr]   --> src/main.rs:19:5
Dec 13 21:20:03.335 INFO [stderr]    |
Dec 13 21:20:03.335 INFO [stderr] 19 |     OrR {vx: u8, vy: u8},
Dec 13 21:20:03.335 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 13 21:20:03.335 INFO [stderr] 
Dec 13 21:20:03.335 INFO [stderr] warning: variant is never constructed: `AndR`
Dec 13 21:20:03.335 INFO [stderr]   --> src/main.rs:20:5
Dec 13 21:20:03.335 INFO [stderr]    |
Dec 13 21:20:03.335 INFO [stderr] 20 |     AndR {vx: u8, vy: u8},
Dec 13 21:20:03.335 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 13 21:20:03.335 INFO [stderr] 
Dec 13 21:20:03.335 INFO [stderr] warning: variant is never constructed: `XorR`
Dec 13 21:20:03.335 INFO [stderr]   --> src/main.rs:21:5
Dec 13 21:20:03.335 INFO [stderr]    |
Dec 13 21:20:03.335 INFO [stderr] 21 |     XorR {vx: u8, vy: u8},
Dec 13 21:20:03.335 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 13 21:20:03.335 INFO [stderr] 
Dec 13 21:20:03.335 INFO [stderr] warning: variant is never constructed: `AddR`
Dec 13 21:20:03.335 INFO [stderr]   --> src/main.rs:22:5
Dec 13 21:20:03.335 INFO [stderr]    |
Dec 13 21:20:03.335 INFO [stderr] 22 |     AddR {vx: u8, vy: u8}, // Remeber to set carry VF
Dec 13 21:20:03.335 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 13 21:20:03.335 INFO [stderr] 
Dec 13 21:20:03.335 INFO [stderr] warning: variant is never constructed: `SubR`
Dec 13 21:20:03.335 INFO [stderr]   --> src/main.rs:23:5
Dec 13 21:20:03.335 INFO [stderr]    |
Dec 13 21:20:03.335 INFO [stderr] 23 |     SubR {vx: u8, vy: u8}, // Remeber to set carry VF
Dec 13 21:20:03.335 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 13 21:20:03.335 INFO [stderr] 
Dec 13 21:20:03.335 INFO [stderr] warning: variant is never constructed: `ShiftR`
Dec 13 21:20:03.335 INFO [stderr]   --> src/main.rs:24:5
Dec 13 21:20:03.335 INFO [stderr]    |
Dec 13 21:20:03.335 INFO [stderr] 24 |     ShiftR{vx: u8}, // VF is set to least sig bit before shift
Dec 13 21:20:03.335 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 13 21:20:03.335 INFO [stderr] 
Dec 13 21:20:03.335 INFO [stderr] warning: variant is never constructed: `SubSwitch`
Dec 13 21:20:03.336 INFO [stderr]   --> src/main.rs:25:5
Dec 13 21:20:03.336 INFO [stderr]    |
Dec 13 21:20:03.336 INFO [stderr] 25 |     SubSwitch{ vx: u8, vy: u8}, // VF 0 when borrow and 1 if not
Dec 13 21:20:03.336 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 21:20:03.336 INFO [stderr] 
Dec 13 21:20:03.336 INFO [stderr] warning: variant is never constructed: `ShiftL`
Dec 13 21:20:03.336 INFO [stderr]   --> src/main.rs:26:5
Dec 13 21:20:03.336 INFO [stderr]    |
Dec 13 21:20:03.336 INFO [stderr] 26 |     ShiftL{ vx: u8}, // vf set to most sig bit before shift
Dec 13 21:20:03.336 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 13 21:20:03.336 INFO [stderr] 
Dec 13 21:20:03.336 INFO [stderr] warning: variant is never constructed: `NOP`
Dec 13 21:20:03.336 INFO [stderr]   --> src/main.rs:27:5
Dec 13 21:20:03.336 INFO [stderr]    |
Dec 13 21:20:03.336 INFO [stderr] 27 |     NOP
Dec 13 21:20:03.336 INFO [stderr]    |     ^^^
Dec 13 21:20:03.336 INFO [stderr] 
Dec 13 21:20:03.336 INFO [stderr] warning: field is never used: `ireg`
Dec 13 21:20:03.336 INFO [stderr]   --> src/main.rs:32:5
Dec 13 21:20:03.336 INFO [stderr]    |
Dec 13 21:20:03.336 INFO [stderr] 32 |     ireg: u16,
Dec 13 21:20:03.336 INFO [stderr]    |     ^^^^^^^^^
Dec 13 21:20:03.336 INFO [stderr] 
Dec 13 21:20:03.336 INFO [stderr] warning: field is never used: `memory`
Dec 13 21:20:03.336 INFO [stderr]   --> src/main.rs:33:5
Dec 13 21:20:03.336 INFO [stderr]    |
Dec 13 21:20:03.336 INFO [stderr] 33 |     memory: [u8; 4096],
Dec 13 21:20:03.336 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 13 21:20:03.336 INFO [stderr] 
Dec 13 21:20:03.336 INFO [stderr] warning: variable `progLen` should have a snake case name such as `prog_len`
Dec 13 21:20:03.336 INFO [stderr]   --> src/main.rs:64:9
Dec 13 21:20:03.336 INFO [stderr]    |
Dec 13 21:20:03.336 INFO [stderr] 64 |     let progLen  = instructions.len();
Dec 13 21:20:03.336 INFO [stderr]    |         ^^^^^^^
Dec 13 21:20:03.336 INFO [stderr]    |
Dec 13 21:20:03.336 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 13 21:20:03.336 INFO [stderr] 
Dec 13 21:20:03.619 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
Dec 13 21:20:03.622 INFO [stderr] su: No module specific data is present
Dec 13 21:20:04.256 INFO running `"docker" "inspect" "4aaaf4bda87b0759f5f45f386c0b29d85ab658fcea8cea15574744adeadb009e"`
Dec 13 21:20:04.527 INFO running `"docker" "rm" "-f" "4aaaf4bda87b0759f5f45f386c0b29d85ab658fcea8cea15574744adeadb009e"`
Dec 13 21:20:04.871 INFO [stdout] 4aaaf4bda87b0759f5f45f386c0b29d85ab658fcea8cea15574744adeadb009e
Dec 13 21:20:04.871 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 13 21:20:05.372 INFO [stdout] c5635f87ad1810bc8d0f26350759c0f77f2f36f15952cc880df8bd4b5868eda1
Dec 13 21:20:05.372 INFO running `"docker" "start" "-a" "c5635f87ad1810bc8d0f26350759c0f77f2f36f15952cc880df8bd4b5868eda1"`
Dec 13 21:20:06.575 INFO [stderr] usermod: no changes
Dec 13 21:20:06.702 INFO [stderr]    Compiling chip8 v0.1.0 (/source)
Dec 13 21:20:07.123 INFO [stderr] warning: unused variable: `inst`
Dec 13 21:20:07.123 INFO [stderr]   --> src/main.rs:62:9
Dec 13 21:20:07.123 INFO [stderr]    |
Dec 13 21:20:07.123 INFO [stderr] 62 |     let inst = &instructions[chip.pc as usize];
Dec 13 21:20:07.123 INFO [stderr]    |         ^^^^ help: consider using `_inst` instead
Dec 13 21:20:07.133 INFO [stderr]    |
Dec 13 21:20:07.133 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 21:20:07.133 INFO [stderr] 
Dec 13 21:20:07.133 INFO [stderr] warning: variable does not need to be mutable
Dec 13 21:20:07.133 INFO [stderr]   --> src/main.rs:46:9
Dec 13 21:20:07.133 INFO [stderr]    |
Dec 13 21:20:07.133 INFO [stderr] 46 |     let mut instructions = &[Instruction::AddC {val: 10, vx:0},
Dec 13 21:20:07.133 INFO [stderr]    |         ----^^^^^^^^^^^^
Dec 13 21:20:07.133 INFO [stderr]    |         |
Dec 13 21:20:07.133 INFO [stderr]    |         help: remove this `mut`
Dec 13 21:20:07.133 INFO [stderr]    |
Dec 13 21:20:07.133 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 13 21:20:07.133 INFO [stderr] 
Dec 13 21:20:07.133 INFO [stderr] warning: variant is never constructed: `Clear`
Dec 13 21:20:07.133 INFO [stderr]  --> src/main.rs:9:5
Dec 13 21:20:07.134 INFO [stderr]   |
Dec 13 21:20:07.134 INFO [stderr] 9 |     Clear,
Dec 13 21:20:07.134 INFO [stderr]   |     ^^^^^
Dec 13 21:20:07.134 INFO [stderr]   |
Dec 13 21:20:07.134 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 13 21:20:07.134 INFO [stderr] 
Dec 13 21:20:07.134 INFO [stderr] warning: variant is never constructed: `Ret`
Dec 13 21:20:07.134 INFO [stderr]   --> src/main.rs:10:5
Dec 13 21:20:07.134 INFO [stderr]    |
Dec 13 21:20:07.134 INFO [stderr] 10 |     Ret,
Dec 13 21:20:07.134 INFO [stderr]    |     ^^^
Dec 13 21:20:07.134 INFO [stderr] 
Dec 13 21:20:07.134 INFO [stderr] warning: variant is never constructed: `Call`
Dec 13 21:20:07.134 INFO [stderr]   --> src/main.rs:12:5
Dec 13 21:20:07.134 INFO [stderr]    |
Dec 13 21:20:07.134 INFO [stderr] 12 |     Call {address: u16},
Dec 13 21:20:07.134 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 13 21:20:07.134 INFO [stderr] 
Dec 13 21:20:07.134 INFO [stderr] warning: variant is never constructed: `SkipNeq`
Dec 13 21:20:07.134 INFO [stderr]   --> src/main.rs:14:5
Dec 13 21:20:07.134 INFO [stderr]    |
Dec 13 21:20:07.134 INFO [stderr] 14 |     SkipNeq {val: u8},
Dec 13 21:20:07.134 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 13 21:20:07.134 INFO [stderr] 
Dec 13 21:20:07.134 INFO [stderr] warning: variant is never constructed: `SkipEqReg`
Dec 13 21:20:07.134 INFO [stderr]   --> src/main.rs:15:5
Dec 13 21:20:07.134 INFO [stderr]    |
Dec 13 21:20:07.134 INFO [stderr] 15 |     SkipEqReg {val: u8, vy: u8, vx: u8},
Dec 13 21:20:07.134 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 21:20:07.134 INFO [stderr] 
Dec 13 21:20:07.134 INFO [stderr] warning: variant is never constructed: `SetC`
Dec 13 21:20:07.134 INFO [stderr]   --> src/main.rs:16:5
Dec 13 21:20:07.134 INFO [stderr]    |
Dec 13 21:20:07.134 INFO [stderr] 16 |     SetC {val: u8, vx: u8}, // VX = val
Dec 13 21:20:07.134 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 13 21:20:07.134 INFO [stderr] 
Dec 13 21:20:07.134 INFO [stderr] warning: variant is never constructed: `SetR`
Dec 13 21:20:07.134 INFO [stderr]   --> src/main.rs:18:5
Dec 13 21:20:07.134 INFO [stderr]    |
Dec 13 21:20:07.134 INFO [stderr] 18 |     SetR {vx: u8, vy: u8}, // Vx = reg[vy]
Dec 13 21:20:07.134 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 13 21:20:07.134 INFO [stderr] 
Dec 13 21:20:07.134 INFO [stderr] warning: variant is never constructed: `OrR`
Dec 13 21:20:07.134 INFO [stderr]   --> src/main.rs:19:5
Dec 13 21:20:07.134 INFO [stderr]    |
Dec 13 21:20:07.134 INFO [stderr] 19 |     OrR {vx: u8, vy: u8},
Dec 13 21:20:07.134 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 13 21:20:07.134 INFO [stderr] 
Dec 13 21:20:07.134 INFO [stderr] warning: variant is never constructed: `AndR`
Dec 13 21:20:07.134 INFO [stderr]   --> src/main.rs:20:5
Dec 13 21:20:07.134 INFO [stderr]    |
Dec 13 21:20:07.134 INFO [stderr] 20 |     AndR {vx: u8, vy: u8},
Dec 13 21:20:07.134 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 13 21:20:07.134 INFO [stderr] 
Dec 13 21:20:07.134 INFO [stderr] warning: variant is never constructed: `XorR`
Dec 13 21:20:07.134 INFO [stderr]   --> src/main.rs:21:5
Dec 13 21:20:07.134 INFO [stderr]    |
Dec 13 21:20:07.134 INFO [stderr] 21 |     XorR {vx: u8, vy: u8},
Dec 13 21:20:07.134 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 13 21:20:07.134 INFO [stderr] 
Dec 13 21:20:07.134 INFO [stderr] warning: variant is never constructed: `AddR`
Dec 13 21:20:07.134 INFO [stderr]   --> src/main.rs:22:5
Dec 13 21:20:07.134 INFO [stderr]    |
Dec 13 21:20:07.134 INFO [stderr] 22 |     AddR {vx: u8, vy: u8}, // Remeber to set carry VF
Dec 13 21:20:07.134 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 13 21:20:07.134 INFO [stderr] 
Dec 13 21:20:07.134 INFO [stderr] warning: variant is never constructed: `SubR`
Dec 13 21:20:07.134 INFO [stderr]   --> src/main.rs:23:5
Dec 13 21:20:07.134 INFO [stderr]    |
Dec 13 21:20:07.134 INFO [stderr] 23 |     SubR {vx: u8, vy: u8}, // Remeber to set carry VF
Dec 13 21:20:07.134 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 13 21:20:07.134 INFO [stderr] 
Dec 13 21:20:07.134 INFO [stderr] warning: variant is never constructed: `ShiftR`
Dec 13 21:20:07.134 INFO [stderr]   --> src/main.rs:24:5
Dec 13 21:20:07.134 INFO [stderr]    |
Dec 13 21:20:07.134 INFO [stderr] 24 |     ShiftR{vx: u8}, // VF is set to least sig bit before shift
Dec 13 21:20:07.134 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 13 21:20:07.134 INFO [stderr] 
Dec 13 21:20:07.134 INFO [stderr] warning: variant is never constructed: `SubSwitch`
Dec 13 21:20:07.134 INFO [stderr]   --> src/main.rs:25:5
Dec 13 21:20:07.134 INFO [stderr]    |
Dec 13 21:20:07.134 INFO [stderr] 25 |     SubSwitch{ vx: u8, vy: u8}, // VF 0 when borrow and 1 if not
Dec 13 21:20:07.134 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 21:20:07.134 INFO [stderr] 
Dec 13 21:20:07.134 INFO [stderr] warning: variant is never constructed: `ShiftL`
Dec 13 21:20:07.134 INFO [stderr]   --> src/main.rs:26:5
Dec 13 21:20:07.134 INFO [stderr]    |
Dec 13 21:20:07.134 INFO [stderr] 26 |     ShiftL{ vx: u8}, // vf set to most sig bit before shift
Dec 13 21:20:07.134 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 13 21:20:07.134 INFO [stderr] 
Dec 13 21:20:07.134 INFO [stderr] warning: variant is never constructed: `NOP`
Dec 13 21:20:07.134 INFO [stderr]   --> src/main.rs:27:5
Dec 13 21:20:07.134 INFO [stderr]    |
Dec 13 21:20:07.134 INFO [stderr] 27 |     NOP
Dec 13 21:20:07.134 INFO [stderr]    |     ^^^
Dec 13 21:20:07.134 INFO [stderr] 
Dec 13 21:20:07.135 INFO [stderr] warning: field is never used: `ireg`
Dec 13 21:20:07.135 INFO [stderr]   --> src/main.rs:32:5
Dec 13 21:20:07.135 INFO [stderr]    |
Dec 13 21:20:07.135 INFO [stderr] 32 |     ireg: u16,
Dec 13 21:20:07.135 INFO [stderr]    |     ^^^^^^^^^
Dec 13 21:20:07.135 INFO [stderr] 
Dec 13 21:20:07.135 INFO [stderr] warning: field is never used: `memory`
Dec 13 21:20:07.135 INFO [stderr]   --> src/main.rs:33:5
Dec 13 21:20:07.135 INFO [stderr]    |
Dec 13 21:20:07.135 INFO [stderr] 33 |     memory: [u8; 4096],
Dec 13 21:20:07.135 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 13 21:20:07.135 INFO [stderr] 
Dec 13 21:20:07.135 INFO [stderr] warning: variable `progLen` should have a snake case name such as `prog_len`
Dec 13 21:20:07.135 INFO [stderr]   --> src/main.rs:64:9
Dec 13 21:20:07.135 INFO [stderr]    |
Dec 13 21:20:07.135 INFO [stderr] 64 |     let progLen  = instructions.len();
Dec 13 21:20:07.135 INFO [stderr]    |         ^^^^^^^
Dec 13 21:20:07.135 INFO [stderr]    |
Dec 13 21:20:07.135 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 13 21:20:07.135 INFO [stderr] 
Dec 13 21:20:07.395 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
Dec 13 21:20:07.397 INFO [stderr] su: No module specific data is present
Dec 13 21:20:07.897 INFO running `"docker" "inspect" "c5635f87ad1810bc8d0f26350759c0f77f2f36f15952cc880df8bd4b5868eda1"`
Dec 13 21:20:08.083 INFO running `"docker" "rm" "-f" "c5635f87ad1810bc8d0f26350759c0f77f2f36f15952cc880df8bd4b5868eda1"`
Dec 13 21:20:08.373 INFO [stdout] c5635f87ad1810bc8d0f26350759c0f77f2f36f15952cc880df8bd4b5868eda1
Dec 13 21:20:08.383 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 13 21:20:08.822 INFO [stdout] 755f04f4452b4a72c5299698070962d89dd74fdf2a7e9f43fe630dc841f499b6
Dec 13 21:20:08.824 INFO running `"docker" "start" "-a" "755f04f4452b4a72c5299698070962d89dd74fdf2a7e9f43fe630dc841f499b6"`
Dec 13 21:20:10.376 INFO [stderr] usermod: no changes
Dec 13 21:20:10.443 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 13 21:20:10.443 INFO [stderr]      Running /target/debug/deps/chip8-c1804dd49f8191b5
Dec 13 21:20:10.443 INFO [stderr] su: No module specific data is present
Dec 13 21:20:10.443 INFO [stdout] 
Dec 13 21:20:10.443 INFO [stdout] running 0 tests
Dec 13 21:20:10.443 INFO [stdout] 
Dec 13 21:20:10.443 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 21:20:10.443 INFO [stdout] 
Dec 13 21:20:11.390 INFO running `"docker" "inspect" "755f04f4452b4a72c5299698070962d89dd74fdf2a7e9f43fe630dc841f499b6"`
Dec 13 21:20:11.701 INFO running `"docker" "rm" "-f" "755f04f4452b4a72c5299698070962d89dd74fdf2a7e9f43fe630dc841f499b6"`
Dec 13 21:20:12.019 INFO [stdout] 755f04f4452b4a72c5299698070962d89dd74fdf2a7e9f43fe630dc841f499b6