[INFO] updating cached repository https://github.com/stianeklund/NES
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ab9a781ef0b859c54b07589a5cb415c473da832e
[INFO] checking stianeklund/NES against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstianeklund%2FNES" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stianeklund/NES on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/stianeklund/NES
[INFO] finished tweaking git repo https://github.com/stianeklund/NES
[INFO] tweaked toml for git repo https://github.com/stianeklund/NES written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/stianeklund/NES already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0f5ac1c226d9bf3c8314da8a5595d92919d27cc4bbc9a497d972df270f56a825
[INFO] running `"docker" "start" "-a" "0f5ac1c226d9bf3c8314da8a5595d92919d27cc4bbc9a497d972df270f56a825"`
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking x11-dl v2.14.0
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]    Compiling minifb v0.10.3
[INFO] [stderr]     Checking flexi_logger v0.14.4
[INFO] [stderr]     Checking nes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `RangeTo`, `Range`
[INFO] [stderr]  --> src/rom.rs:3:16
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ops::{Range, RangeTo};
[INFO] [stderr]   |                ^^^^^  ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Error`
[INFO] [stderr]  --> src/rom.rs:7:23
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::io::{Result, Error};
[INFO] [stderr]   |                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `memory::Ram`
[INFO] [stderr]  --> src/rom.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use memory::Ram;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ppu::Ppu`
[INFO] [stderr]  --> src/interconnect.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use ppu::Ppu;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ExecutionContext`
[INFO] [stderr]  --> src/interconnect.rs:4:11
[INFO] [stderr]   |
[INFO] [stderr] 4 | use cpu::{ExecutionContext, Registers};
[INFO] [stderr]   |           ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `StatusRegister`
[INFO] [stderr]  --> src/opcode.rs:2:11
[INFO] [stderr]   |
[INFO] [stderr] 2 | use cpu::{StatusRegister};
[INFO] [stderr]   |           ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `UpperHex`
[INFO] [stderr]  --> src/memory.rs:2:16
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fmt::{UpperHex, LowerHex};
[INFO] [stderr]   |                ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]  --> src/memory.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::path::Path;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/memory.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Read`
[INFO] [stderr]  --> src/memory.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::io::Read;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Cartridge`, `RomHeader`
[INFO] [stderr]  --> src/memory.rs:7:11
[INFO] [stderr]   |
[INFO] [stderr] 7 | use rom::{Cartridge, RomHeader};
[INFO] [stderr]   |           ^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `FrameBuffer`
[INFO] [stderr]  --> src/cpu.rs:5:16
[INFO] [stderr]   |
[INFO] [stderr] 5 | use ppu::{Ppu, FrameBuffer};
[INFO] [stderr]   |                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]  --> src/cpu.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::fmt;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/cpu.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/cpu.rs:9:15
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::io::{self, Write};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::convert::TryInto`
[INFO] [stderr]   --> src/cpu.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::convert::TryInto;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `error`, `warn`
[INFO] [stderr]   --> src/cpu.rs:11:17
[INFO] [stderr]    |
[INFO] [stderr] 11 | use log::{info, warn, debug, error};
[INFO] [stderr]    |                 ^^^^         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Interconnect`
[INFO] [stderr]  --> src/ppu.rs:1:34
[INFO] [stderr]   |
[INFO] [stderr] 1 | use interconnect::{MemoryMapper, Interconnect};
[INFO] [stderr]   |                                  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Scale`
[INFO] [stderr]  --> src/ppu.rs:2:14
[INFO] [stderr]   |
[INFO] [stderr] 2 | use minifb::{Scale, WindowOptions, Window};
[INFO] [stderr]   |              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]   --> src/main.rs:16:21
[INFO] [stderr]    |
[INFO] [stderr] 16 | use std::io::{self, Read};
[INFO] [stderr]    |                     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Interconnect`
[INFO] [stderr]   --> src/main.rs:18:20
[INFO] [stderr]    |
[INFO] [stderr] 18 | use interconnect::{Interconnect, MemoryMapper};
[INFO] [stderr]    |                    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `LogTarget`
[INFO] [stderr]   --> src/main.rs:20:28
[INFO] [stderr]    |
[INFO] [stderr] 20 | use flexi_logger::{Logger, LogTarget, default_format};
[INFO] [stderr]    |                            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `debug`, `info`
[INFO] [stderr]   --> src/main.rs:21:11
[INFO] [stderr]    |
[INFO] [stderr] 21 | use log::{info, warn, debug};
[INFO] [stderr]    |           ^^^^        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `RangeTo`, `Range`
[INFO] [stderr]  --> src/rom.rs:3:16
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ops::{Range, RangeTo};
[INFO] [stderr]   |                ^^^^^  ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Error`
[INFO] [stderr]  --> src/rom.rs:7:23
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::io::{Result, Error};
[INFO] [stderr]   |                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `memory::Ram`
[INFO] [stderr]  --> src/rom.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use memory::Ram;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ppu::Ppu`
[INFO] [stderr]  --> src/interconnect.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use ppu::Ppu;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ExecutionContext`
[INFO] [stderr]  --> src/interconnect.rs:4:11
[INFO] [stderr]   |
[INFO] [stderr] 4 | use cpu::{ExecutionContext, Registers};
[INFO] [stderr]   |           ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `StatusRegister`
[INFO] [stderr]  --> src/opcode.rs:2:11
[INFO] [stderr]   |
[INFO] [stderr] 2 | use cpu::{StatusRegister};
[INFO] [stderr]   |           ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `UpperHex`
[INFO] [stderr]  --> src/memory.rs:2:16
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fmt::{UpperHex, LowerHex};
[INFO] [stderr]   |                ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]  --> src/memory.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::path::Path;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/memory.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Read`
[INFO] [stderr]  --> src/memory.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::io::Read;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Cartridge`, `RomHeader`
[INFO] [stderr]  --> src/memory.rs:7:11
[INFO] [stderr]   |
[INFO] [stderr] 7 | use rom::{Cartridge, RomHeader};
[INFO] [stderr]   |           ^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `FrameBuffer`
[INFO] [stderr]  --> src/cpu.rs:5:16
[INFO] [stderr]   |
[INFO] [stderr] 5 | use ppu::{Ppu, FrameBuffer};
[INFO] [stderr]   |                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]  --> src/cpu.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::fmt;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/cpu.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/cpu.rs:9:15
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::io::{self, Write};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::convert::TryInto`
[INFO] [stderr]   --> src/cpu.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::convert::TryInto;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `error`, `warn`
[INFO] [stderr]   --> src/cpu.rs:11:17
[INFO] [stderr]    |
[INFO] [stderr] 11 | use log::{info, warn, debug, error};
[INFO] [stderr]    |                 ^^^^         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Interconnect`
[INFO] [stderr]  --> src/ppu.rs:1:34
[INFO] [stderr]   |
[INFO] [stderr] 1 | use interconnect::{MemoryMapper, Interconnect};
[INFO] [stderr]   |                                  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Scale`
[INFO] [stderr]  --> src/ppu.rs:2:14
[INFO] [stderr]   |
[INFO] [stderr] 2 | use minifb::{Scale, WindowOptions, Window};
[INFO] [stderr]   |              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]   --> src/main.rs:16:21
[INFO] [stderr]    |
[INFO] [stderr] 16 | use std::io::{self, Read};
[INFO] [stderr]    |                     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Interconnect`
[INFO] [stderr]   --> src/main.rs:18:20
[INFO] [stderr]    |
[INFO] [stderr] 18 | use interconnect::{Interconnect, MemoryMapper};
[INFO] [stderr]    |                    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `LogTarget`
[INFO] [stderr]   --> src/main.rs:20:28
[INFO] [stderr]    |
[INFO] [stderr] 20 | use flexi_logger::{Logger, LogTarget, default_format};
[INFO] [stderr]    |                            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `debug`, `info`
[INFO] [stderr]   --> src/main.rs:21:11
[INFO] [stderr]    |
[INFO] [stderr] 21 | use log::{info, warn, debug};
[INFO] [stderr]    |           ^^^^        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> src/cpu.rs:9:21
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::io::{self, Write};
[INFO] [stderr]   |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> src/cpu.rs:9:21
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::io::{self, Write};
[INFO] [stderr]   |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/ppu.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let mut window = Window::new(
[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: method is never used: `mask_addr`
[INFO] [stderr]    --> src/rom.rs:122:5
[INFO] [stderr]     |
[INFO] [stderr] 122 |     fn mask_addr(&self, addr: u16) -> u16 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `retrieve_mapper_id`
[INFO] [stderr]    --> src/rom.rs:128:5
[INFO] [stderr]     |
[INFO] [stderr] 128 |     pub fn retrieve_mapper_id(&self) -> u8 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read_rom`
[INFO] [stderr]    --> src/rom.rs:132:5
[INFO] [stderr]     |
[INFO] [stderr] 132 |     pub fn read_rom(&mut self, file: &str) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `byte`
[INFO] [stderr]   --> src/interconnect.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     byte: u8,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `address`
[INFO] [stderr]   --> src/interconnect.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     address: u16,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `lookup`
[INFO] [stderr]   --> src/interconnect.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     lookup: String
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Interconnect`
[INFO] [stderr]   --> src/interconnect.rs:53:1
[INFO] [stderr]    |
[INFO] [stderr] 53 | pub struct Interconnect {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `default`
[INFO] [stderr]   --> src/interconnect.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub fn default() -> Box<Interconnect> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `A`
[INFO] [stderr]   --> src/opcode.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     A,
[INFO] [stderr]    |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `X`
[INFO] [stderr]   --> src/opcode.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     X,
[INFO] [stderr]    |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Y`
[INFO] [stderr]   --> src/opcode.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     Y,
[INFO] [stderr]    |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `default`
[INFO] [stderr]   --> src/opcode.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn default() ->     Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `mnemonic`
[INFO] [stderr]    --> src/opcode.rs:208:5
[INFO] [stderr]     |
[INFO] [stderr] 208 |     pub fn mnemonic(opcode: u8) -> &'static str {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `default`
[INFO] [stderr]   --> src/cpu.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 |     pub fn default() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `cli`
[INFO] [stderr]    --> src/cpu.rs:572:5
[INFO] [stderr]     |
[INFO] [stderr] 572 |     fn cli(&mut self) { self.cpu.flags.interrupt = false; }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `sloa`
[INFO] [stderr]    --> src/cpu.rs:771:5
[INFO] [stderr]     |
[INFO] [stderr] 771 |     fn sloa(&mut self, value: u16) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `FrameBuffer`
[INFO] [stderr]   --> src/ppu.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub struct FrameBuffer {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `new`
[INFO] [stderr]   --> src/ppu.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn new() -> FrameBuffer {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `PpuDataBus`
[INFO] [stderr]    --> src/ppu.rs:108:1
[INFO] [stderr]     |
[INFO] [stderr] 108 | pub struct PpuDataBus {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/ppu.rs:136:9
[INFO] [stderr]     |
[INFO] [stderr] 136 | /         writeln!(f, "{}\t{}\t{}\t{}\t{}\t{}{}",
[INFO] [stderr] 137 | |                  "CTRL","MASK","OAM","DATA","SCROLL","ADDR\t", "DMA\t");
[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]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/ppu.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let mut window = Window::new(
[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: method is never used: `mask_addr`
[INFO] [stderr]    --> src/rom.rs:122:5
[INFO] [stderr]     |
[INFO] [stderr] 122 |     fn mask_addr(&self, addr: u16) -> u16 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `retrieve_mapper_id`
[INFO] [stderr]    --> src/rom.rs:128:5
[INFO] [stderr]     |
[INFO] [stderr] 128 |     pub fn retrieve_mapper_id(&self) -> u8 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read_rom`
[INFO] [stderr]    --> src/rom.rs:132:5
[INFO] [stderr]     |
[INFO] [stderr] 132 |     pub fn read_rom(&mut self, file: &str) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `byte`
[INFO] [stderr]   --> src/interconnect.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     byte: u8,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `address`
[INFO] [stderr]   --> src/interconnect.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     address: u16,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `lookup`
[INFO] [stderr]   --> src/interconnect.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     lookup: String
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Interconnect`
[INFO] [stderr]   --> src/interconnect.rs:53:1
[INFO] [stderr]    |
[INFO] [stderr] 53 | pub struct Interconnect {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `default`
[INFO] [stderr]   --> src/interconnect.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub fn default() -> Box<Interconnect> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `A`
[INFO] [stderr]   --> src/opcode.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     A,
[INFO] [stderr]    |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `X`
[INFO] [stderr]   --> src/opcode.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     X,
[INFO] [stderr]    |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Y`
[INFO] [stderr]   --> src/opcode.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     Y,
[INFO] [stderr]    |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `default`
[INFO] [stderr]   --> src/opcode.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn default() ->     Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `mnemonic`
[INFO] [stderr]    --> src/opcode.rs:208:5
[INFO] [stderr]     |
[INFO] [stderr] 208 |     pub fn mnemonic(opcode: u8) -> &'static str {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `default`
[INFO] [stderr]   --> src/cpu.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 |     pub fn default() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `cli`
[INFO] [stderr]    --> src/cpu.rs:572:5
[INFO] [stderr]     |
[INFO] [stderr] 572 |     fn cli(&mut self) { self.cpu.flags.interrupt = false; }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `sloa`
[INFO] [stderr]    --> src/cpu.rs:771:5
[INFO] [stderr]     |
[INFO] [stderr] 771 |     fn sloa(&mut self, value: u16) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `FrameBuffer`
[INFO] [stderr]   --> src/ppu.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub struct FrameBuffer {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `new`
[INFO] [stderr]   --> src/ppu.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn new() -> FrameBuffer {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `PpuDataBus`
[INFO] [stderr]    --> src/ppu.rs:108:1
[INFO] [stderr]     |
[INFO] [stderr] 108 | pub struct PpuDataBus {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/ppu.rs:136:9
[INFO] [stderr]     |
[INFO] [stderr] 136 | /         writeln!(f, "{}\t{}\t{}\t{}\t{}\t{}{}",
[INFO] [stderr] 137 | |                  "CTRL","MASK","OAM","DATA","SCROLL","ADDR\t", "DMA\t");
[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]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.39s
[INFO] running `"docker" "inspect" "0f5ac1c226d9bf3c8314da8a5595d92919d27cc4bbc9a497d972df270f56a825"`
[INFO] running `"docker" "rm" "-f" "0f5ac1c226d9bf3c8314da8a5595d92919d27cc4bbc9a497d972df270f56a825"`
[INFO] [stdout] 0f5ac1c226d9bf3c8314da8a5595d92919d27cc4bbc9a497d972df270f56a825