[INFO] updating cached repository brad-rathke/pretendo
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/brad-rathke/pretendo
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/brad-rathke/pretendo" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/brad-rathke/pretendo"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/brad-rathke/pretendo'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/brad-rathke/pretendo" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/brad-rathke/pretendo"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/brad-rathke/pretendo'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9632518afb0a1f8f8805540f7e02edbbfd899d9f
[INFO] sha for GitHub repo brad-rathke/pretendo: 9632518afb0a1f8f8805540f7e02edbbfd899d9f
[INFO] validating manifest of brad-rathke/pretendo on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of brad-rathke/pretendo on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing brad-rathke/pretendo
[INFO] finished frobbing brad-rathke/pretendo
[INFO] frobbed toml for brad-rathke/pretendo written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/brad-rathke/pretendo/Cargo.toml
[INFO] started frobbing brad-rathke/pretendo
[INFO] finished frobbing brad-rathke/pretendo
[INFO] frobbed toml for brad-rathke/pretendo written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/brad-rathke/pretendo/Cargo.toml
[INFO] crate brad-rathke/pretendo already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking brad-rathke/pretendo against try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-7/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/brad-rathke/pretendo:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b4fa483e029310ad96ffdeab4afa28fdd6fbb51866d226a7b280c6a4f881a0f6
[INFO] running `"docker" "start" "-a" "b4fa483e029310ad96ffdeab4afa28fdd6fbb51866d226a7b280c6a4f881a0f6"`
[INFO] [stderr]     Checking pretendo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `nes::memmap::MemoryMap`
[INFO] [stderr]  --> src/nes/ppu.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use nes::memmap::MemoryMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `vRAM` should have an upper camel case name
[INFO] [stderr]   --> src/nes/ppu.rs:37:12
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub struct vRAM {
[INFO] [stderr]    |            ^^^^ help: convert the identifier to upper camel case: `VRam`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_camel_case_types)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `nes::error::NESError::*`
[INFO] [stderr]   --> src/nes/mod.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use nes::error::NESError::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `nes::mapper::*`
[INFO] [stderr]   --> src/nes/mod.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use nes::mapper::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rom::RomLoadError`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use rom::RomLoadError;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `nes::memmap::MemoryMap`
[INFO] [stderr]  --> src/nes/ppu.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use nes::memmap::MemoryMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `vRAM` should have an upper camel case name
[INFO] [stderr]   --> src/nes/ppu.rs:37:12
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub struct vRAM {
[INFO] [stderr]    |            ^^^^ help: convert the identifier to upper camel case: `VRam`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_camel_case_types)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `nes::error::NESError::*`
[INFO] [stderr]   --> src/nes/mod.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use nes::error::NESError::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `nes::mapper::*`
[INFO] [stderr]   --> src/nes/mod.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use nes::mapper::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rom::RomLoadError`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use rom::RomLoadError;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/nes/memmap.rs:99:13
[INFO] [stderr]    |
[INFO] [stderr] 99 |             _ => Err(AddressNotMapped),
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/nes/cpu.rs:411:17
[INFO] [stderr]     |
[INFO] [stderr] 411 |             Err(e) => Err(StackOverflow(self.PC)),
[INFO] [stderr]     |                 ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> src/nes/cpu.rs:438:13
[INFO] [stderr]     |
[INFO] [stderr] 438 |         let a: u8 = self.A;
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/nes/cpu.rs:439:13
[INFO] [stderr]     |
[INFO] [stderr] 439 |         let x: u8 = self.X;
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/nes/cpu.rs:440:13
[INFO] [stderr]     |
[INFO] [stderr] 440 |         let y: u8 = self.Y;
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]    --> src/nes/cpu.rs:441:13
[INFO] [stderr]     |
[INFO] [stderr] 441 |         let s: u8 = self.S;
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]    --> src/nes/cpu.rs:443:13
[INFO] [stderr]     |
[INFO] [stderr] 443 |         let m: u8 = try!(self.instr_ram_read(addr, &instruction));
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_m`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]    --> src/nes/cpu.rs:444:17
[INFO] [stderr]     |
[INFO] [stderr] 444 |         let mut res: u8 = 0;
[INFO] [stderr]     |                 ^^^ help: consider prefixing with an underscore: `_res`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/nes/memmap.rs:35:30
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn store_byte(&mut self, addr: u16, val: u8) -> Result<(), MemoryError> {
[INFO] [stderr]    |                              ^^^^ help: consider prefixing with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `val`
[INFO] [stderr]   --> src/nes/memmap.rs:35:41
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn store_byte(&mut self, addr: u16, val: u8) -> Result<(), MemoryError> {
[INFO] [stderr]    |                                         ^^^ help: consider prefixing with an underscore: `_val`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/nes/cpu.rs:444:13
[INFO] [stderr]     |
[INFO] [stderr] 444 |         let mut res: u8 = 0;
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FormatError`
[INFO] [stderr]  --> src/rom.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     FormatError,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `mapper_hi`
[INFO] [stderr]   --> src/rom.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 81 |     pub fn mapper_hi(&self) -> u8 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pop_stack`
[INFO] [stderr]    --> src/nes/cpu.rs:421:5
[INFO] [stderr]     |
[INFO] [stderr] 421 |     fn pop_stack(&mut self) -> Result<u8, NESError> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SCREEN_WIDTH`
[INFO] [stderr]  --> src/nes/ppu.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub const SCREEN_WIDTH: usize = 256;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SCREEN_HEIGHT`
[INFO] [stderr]  --> src/nes/ppu.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub const SCREEN_HEIGHT: usize = 256;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `PPUError`
[INFO] [stderr]  --> src/nes/ppu.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct PPUError;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `vRAM`
[INFO] [stderr]   --> src/nes/ppu.rs:37:1
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub struct vRAM {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `AAX`
[INFO] [stderr]   --> src/nes/isa.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     AAX,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ASO`
[INFO] [stderr]   --> src/nes/isa.rs:96:5
[INFO] [stderr]    |
[INFO] [stderr] 96 |     ASO,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `AXS`
[INFO] [stderr]   --> src/nes/isa.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     AXS,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DCM`
[INFO] [stderr]   --> src/nes/isa.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 98 |     DCM,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DCP`
[INFO] [stderr]   --> src/nes/isa.rs:99:5
[INFO] [stderr]    |
[INFO] [stderr] 99 |     DCP,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DOP`
[INFO] [stderr]    --> src/nes/isa.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 |     DOP,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `INS`
[INFO] [stderr]    --> src/nes/isa.rs:101:5
[INFO] [stderr]     |
[INFO] [stderr] 101 |     INS,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ISB`
[INFO] [stderr]    --> src/nes/isa.rs:102:5
[INFO] [stderr]     |
[INFO] [stderr] 102 |     ISB,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ISC`
[INFO] [stderr]    --> src/nes/isa.rs:103:5
[INFO] [stderr]     |
[INFO] [stderr] 103 |     ISC,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LAX`
[INFO] [stderr]    --> src/nes/isa.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     LAX,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LSE`
[INFO] [stderr]    --> src/nes/isa.rs:105:5
[INFO] [stderr]     |
[INFO] [stderr] 105 |     LSE,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RLA`
[INFO] [stderr]    --> src/nes/isa.rs:106:5
[INFO] [stderr]     |
[INFO] [stderr] 106 |     RLA,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RRA`
[INFO] [stderr]    --> src/nes/isa.rs:107:5
[INFO] [stderr]     |
[INFO] [stderr] 107 |     RRA,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SAX`
[INFO] [stderr]    --> src/nes/isa.rs:108:5
[INFO] [stderr]     |
[INFO] [stderr] 108 |     SAX,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SKB`
[INFO] [stderr]    --> src/nes/isa.rs:109:5
[INFO] [stderr]     |
[INFO] [stderr] 109 |     SKB,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SKW`
[INFO] [stderr]    --> src/nes/isa.rs:110:5
[INFO] [stderr]     |
[INFO] [stderr] 110 |     SKW,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SLO`
[INFO] [stderr]    --> src/nes/isa.rs:111:5
[INFO] [stderr]     |
[INFO] [stderr] 111 |     SLO,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SRE`
[INFO] [stderr]    --> src/nes/isa.rs:112:5
[INFO] [stderr]     |
[INFO] [stderr] 112 |     SRE,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `TOP`
[INFO] [stderr]    --> src/nes/isa.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 |     TOP,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `PC` should have a snake case name
[INFO] [stderr]   --> src/nes/cpu.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     PC: u16, //Program counter
[INFO] [stderr]    |     ^^ help: convert the identifier to snake case: `pc`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `A` should have a snake case name
[INFO] [stderr]   --> src/nes/cpu.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     A: u8, //Accumulator
[INFO] [stderr]    |     ^ help: convert the identifier to snake case: `a`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `X` should have a snake case name
[INFO] [stderr]   --> src/nes/cpu.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     X: u8, //X register
[INFO] [stderr]    |     ^ help: convert the identifier to snake case: `x`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `Y` should have a snake case name
[INFO] [stderr]   --> src/nes/cpu.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     Y: u8, //Y register
[INFO] [stderr]    |     ^ help: convert the identifier to snake case: `y`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `S` should have a snake case name
[INFO] [stderr]   --> src/nes/cpu.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     S: u8, //Stack pointer
[INFO] [stderr]    |     ^ help: convert the identifier to snake case: `s`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `P` should have a snake case name
[INFO] [stderr]   --> src/nes/cpu.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     P: u8, //Status
[INFO] [stderr]    |     ^ help: convert the identifier to snake case: `p`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/nes/cpu.rs:448:17
[INFO] [stderr]     |
[INFO] [stderr] 448 |                 self.push_addr_stack(pc);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/nes/cpu.rs:449:17
[INFO] [stderr]     |
[INFO] [stderr] 449 |                 self.push_stack(p | B_FLAG.bits);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `CTRL` should have a snake case name
[INFO] [stderr]   --> src/nes/ppu.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub CTRL: u8, //$2000
[INFO] [stderr]    |         ^^^^ help: convert the identifier to snake case: `ctrl`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `MASK` should have a snake case name
[INFO] [stderr]   --> src/nes/ppu.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub MASK: u8, //$2001
[INFO] [stderr]    |         ^^^^ help: convert the identifier to snake case: `mask`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `STATUS` should have a snake case name
[INFO] [stderr]   --> src/nes/ppu.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub STATUS: u8, //$2002
[INFO] [stderr]    |         ^^^^^^ help: convert the identifier to snake case: `status`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `OAMADDR` should have a snake case name
[INFO] [stderr]   --> src/nes/ppu.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub OAMADDR: u8, //$2003
[INFO] [stderr]    |         ^^^^^^^ help: convert the identifier to snake case: `oamaddr`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `OAMDATA` should have a snake case name
[INFO] [stderr]   --> src/nes/ppu.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub OAMDATA: u8, //$2004
[INFO] [stderr]    |         ^^^^^^^ help: convert the identifier to snake case: `oamdata`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `SCROLL` should have a snake case name
[INFO] [stderr]   --> src/nes/ppu.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub SCROLL: u8, //$2005
[INFO] [stderr]    |         ^^^^^^ help: convert the identifier to snake case: `scroll`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `ADDR` should have a snake case name
[INFO] [stderr]   --> src/nes/ppu.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub ADDR: u8, //$2006
[INFO] [stderr]    |         ^^^^ help: convert the identifier to snake case: `addr`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `DATA` should have a snake case name
[INFO] [stderr]   --> src/nes/ppu.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub DATA: u8, //$2007
[INFO] [stderr]    |         ^^^^ help: convert the identifier to snake case: `data`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `OAMDMA` should have a snake case name
[INFO] [stderr]   --> src/nes/ppu.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub OAMDMA: u8, //$4014
[INFO] [stderr]    |         ^^^^^^ help: convert the identifier to snake case: `oamdma`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `opCode` should have a snake case name
[INFO] [stderr]   --> src/nes/error.rs:26:30
[INFO] [stderr]    |
[INFO] [stderr] 26 |         DecodeError(pc: u16, opCode: u8) {
[INFO] [stderr]    |                              ^^^^^^ help: convert the identifier to snake case: `op_code`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/nes/memmap.rs:99:13
[INFO] [stderr]    |
[INFO] [stderr] 99 |             _ => Err(AddressNotMapped),
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/nes/cpu.rs:411:17
[INFO] [stderr]     |
[INFO] [stderr] 411 |             Err(e) => Err(StackOverflow(self.PC)),
[INFO] [stderr]     |                 ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> src/nes/cpu.rs:438:13
[INFO] [stderr]     |
[INFO] [stderr] 438 |         let a: u8 = self.A;
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/nes/cpu.rs:439:13
[INFO] [stderr]     |
[INFO] [stderr] 439 |         let x: u8 = self.X;
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/nes/cpu.rs:440:13
[INFO] [stderr]     |
[INFO] [stderr] 440 |         let y: u8 = self.Y;
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]    --> src/nes/cpu.rs:441:13
[INFO] [stderr]     |
[INFO] [stderr] 441 |         let s: u8 = self.S;
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]    --> src/nes/cpu.rs:443:13
[INFO] [stderr]     |
[INFO] [stderr] 443 |         let m: u8 = try!(self.instr_ram_read(addr, &instruction));
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_m`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]    --> src/nes/cpu.rs:444:17
[INFO] [stderr]     |
[INFO] [stderr] 444 |         let mut res: u8 = 0;
[INFO] [stderr]     |                 ^^^ help: consider prefixing with an underscore: `_res`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/nes/memmap.rs:35:30
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn store_byte(&mut self, addr: u16, val: u8) -> Result<(), MemoryError> {
[INFO] [stderr]    |                              ^^^^ help: consider prefixing with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `val`
[INFO] [stderr]   --> src/nes/memmap.rs:35:41
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn store_byte(&mut self, addr: u16, val: u8) -> Result<(), MemoryError> {
[INFO] [stderr]    |                                         ^^^ help: consider prefixing with an underscore: `_val`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/nes/cpu.rs:444:13
[INFO] [stderr]     |
[INFO] [stderr] 444 |         let mut res: u8 = 0;
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FormatError`
[INFO] [stderr]  --> src/rom.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     FormatError,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `mapper_hi`
[INFO] [stderr]   --> src/rom.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 81 |     pub fn mapper_hi(&self) -> u8 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pop_stack`
[INFO] [stderr]    --> src/nes/cpu.rs:421:5
[INFO] [stderr]     |
[INFO] [stderr] 421 |     fn pop_stack(&mut self) -> Result<u8, NESError> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SCREEN_WIDTH`
[INFO] [stderr]  --> src/nes/ppu.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub const SCREEN_WIDTH: usize = 256;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SCREEN_HEIGHT`
[INFO] [stderr]  --> src/nes/ppu.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub const SCREEN_HEIGHT: usize = 256;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `PPUError`
[INFO] [stderr]  --> src/nes/ppu.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct PPUError;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `vRAM`
[INFO] [stderr]   --> src/nes/ppu.rs:37:1
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub struct vRAM {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `AAX`
[INFO] [stderr]   --> src/nes/isa.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     AAX,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ASO`
[INFO] [stderr]   --> src/nes/isa.rs:96:5
[INFO] [stderr]    |
[INFO] [stderr] 96 |     ASO,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `AXS`
[INFO] [stderr]   --> src/nes/isa.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     AXS,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DCM`
[INFO] [stderr]   --> src/nes/isa.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 98 |     DCM,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DCP`
[INFO] [stderr]   --> src/nes/isa.rs:99:5
[INFO] [stderr]    |
[INFO] [stderr] 99 |     DCP,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DOP`
[INFO] [stderr]    --> src/nes/isa.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 |     DOP,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `INS`
[INFO] [stderr]    --> src/nes/isa.rs:101:5
[INFO] [stderr]     |
[INFO] [stderr] 101 |     INS,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ISB`
[INFO] [stderr]    --> src/nes/isa.rs:102:5
[INFO] [stderr]     |
[INFO] [stderr] 102 |     ISB,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ISC`
[INFO] [stderr]    --> src/nes/isa.rs:103:5
[INFO] [stderr]     |
[INFO] [stderr] 103 |     ISC,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LAX`
[INFO] [stderr]    --> src/nes/isa.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     LAX,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LSE`
[INFO] [stderr]    --> src/nes/isa.rs:105:5
[INFO] [stderr]     |
[INFO] [stderr] 105 |     LSE,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RLA`
[INFO] [stderr]    --> src/nes/isa.rs:106:5
[INFO] [stderr]     |
[INFO] [stderr] 106 |     RLA,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RRA`
[INFO] [stderr]    --> src/nes/isa.rs:107:5
[INFO] [stderr]     |
[INFO] [stderr] 107 |     RRA,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SAX`
[INFO] [stderr]    --> src/nes/isa.rs:108:5
[INFO] [stderr]     |
[INFO] [stderr] 108 |     SAX,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SKB`
[INFO] [stderr]    --> src/nes/isa.rs:109:5
[INFO] [stderr]     |
[INFO] [stderr] 109 |     SKB,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SKW`
[INFO] [stderr]    --> src/nes/isa.rs:110:5
[INFO] [stderr]     |
[INFO] [stderr] 110 |     SKW,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SLO`
[INFO] [stderr]    --> src/nes/isa.rs:111:5
[INFO] [stderr]     |
[INFO] [stderr] 111 |     SLO,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SRE`
[INFO] [stderr]    --> src/nes/isa.rs:112:5
[INFO] [stderr]     |
[INFO] [stderr] 112 |     SRE,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `TOP`
[INFO] [stderr]    --> src/nes/isa.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 |     TOP,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `PC` should have a snake case name
[INFO] [stderr]   --> src/nes/cpu.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     PC: u16, //Program counter
[INFO] [stderr]    |     ^^ help: convert the identifier to snake case: `pc`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `A` should have a snake case name
[INFO] [stderr]   --> src/nes/cpu.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     A: u8, //Accumulator
[INFO] [stderr]    |     ^ help: convert the identifier to snake case: `a`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `X` should have a snake case name
[INFO] [stderr]   --> src/nes/cpu.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     X: u8, //X register
[INFO] [stderr]    |     ^ help: convert the identifier to snake case: `x`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `Y` should have a snake case name
[INFO] [stderr]   --> src/nes/cpu.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     Y: u8, //Y register
[INFO] [stderr]    |     ^ help: convert the identifier to snake case: `y`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `S` should have a snake case name
[INFO] [stderr]   --> src/nes/cpu.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     S: u8, //Stack pointer
[INFO] [stderr]    |     ^ help: convert the identifier to snake case: `s`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `P` should have a snake case name
[INFO] [stderr]   --> src/nes/cpu.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     P: u8, //Status
[INFO] [stderr]    |     ^ help: convert the identifier to snake case: `p`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/nes/cpu.rs:448:17
[INFO] [stderr]     |
[INFO] [stderr] 448 |                 self.push_addr_stack(pc);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/nes/cpu.rs:449:17
[INFO] [stderr]     |
[INFO] [stderr] 449 |                 self.push_stack(p | B_FLAG.bits);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `CTRL` should have a snake case name
[INFO] [stderr]   --> src/nes/ppu.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub CTRL: u8, //$2000
[INFO] [stderr]    |         ^^^^ help: convert the identifier to snake case: `ctrl`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `MASK` should have a snake case name
[INFO] [stderr]   --> src/nes/ppu.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub MASK: u8, //$2001
[INFO] [stderr]    |         ^^^^ help: convert the identifier to snake case: `mask`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `STATUS` should have a snake case name
[INFO] [stderr]   --> src/nes/ppu.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub STATUS: u8, //$2002
[INFO] [stderr]    |         ^^^^^^ help: convert the identifier to snake case: `status`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `OAMADDR` should have a snake case name
[INFO] [stderr]   --> src/nes/ppu.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub OAMADDR: u8, //$2003
[INFO] [stderr]    |         ^^^^^^^ help: convert the identifier to snake case: `oamaddr`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `OAMDATA` should have a snake case name
[INFO] [stderr]   --> src/nes/ppu.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub OAMDATA: u8, //$2004
[INFO] [stderr]    |         ^^^^^^^ help: convert the identifier to snake case: `oamdata`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `SCROLL` should have a snake case name
[INFO] [stderr]   --> src/nes/ppu.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub SCROLL: u8, //$2005
[INFO] [stderr]    |         ^^^^^^ help: convert the identifier to snake case: `scroll`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `ADDR` should have a snake case name
[INFO] [stderr]   --> src/nes/ppu.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub ADDR: u8, //$2006
[INFO] [stderr]    |         ^^^^ help: convert the identifier to snake case: `addr`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `DATA` should have a snake case name
[INFO] [stderr]   --> src/nes/ppu.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub DATA: u8, //$2007
[INFO] [stderr]    |         ^^^^ help: convert the identifier to snake case: `data`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `OAMDMA` should have a snake case name
[INFO] [stderr]   --> src/nes/ppu.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub OAMDMA: u8, //$4014
[INFO] [stderr]    |         ^^^^^^ help: convert the identifier to snake case: `oamdma`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `opCode` should have a snake case name
[INFO] [stderr]   --> src/nes/error.rs:26:30
[INFO] [stderr]    |
[INFO] [stderr] 26 |         DecodeError(pc: u16, opCode: u8) {
[INFO] [stderr]    |                              ^^^^^^ help: convert the identifier to snake case: `op_code`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "b4fa483e029310ad96ffdeab4afa28fdd6fbb51866d226a7b280c6a4f881a0f6"`
[INFO] running `"docker" "rm" "-f" "b4fa483e029310ad96ffdeab4afa28fdd6fbb51866d226a7b280c6a4f881a0f6"`
[INFO] [stdout] b4fa483e029310ad96ffdeab4afa28fdd6fbb51866d226a7b280c6a4f881a0f6