[INFO] updating cached repository synlestidae/webnes
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/synlestidae/webnes
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/synlestidae/webnes" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/synlestidae/webnes"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/synlestidae/webnes'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/synlestidae/webnes" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/synlestidae/webnes"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/synlestidae/webnes'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b33eaa14e63ac420c871b982988d968529885b32
[INFO] sha for GitHub repo synlestidae/webnes: b33eaa14e63ac420c871b982988d968529885b32
[INFO] validating manifest of synlestidae/webnes on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of synlestidae/webnes on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing synlestidae/webnes
[INFO] finished frobbing synlestidae/webnes
[INFO] frobbed toml for synlestidae/webnes written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/synlestidae/webnes/Cargo.toml
[INFO] started frobbing synlestidae/webnes
[INFO] finished frobbing synlestidae/webnes
[INFO] frobbed toml for synlestidae/webnes written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/synlestidae/webnes/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking synlestidae/webnes against try#99a7498759a22b5684caf798a98b7e90ad9d2443 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-0/try#99a7498759a22b5684caf798a98b7e90ad9d2443:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/synlestidae/webnes:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c4bb815fc7bec7d2c98673f3f92b3e6fcd2778ed64b21ab2ead761f45c6d5981
[INFO] running `"docker" "start" "-a" "c4bb815fc7bec7d2c98673f3f92b3e6fcd2778ed64b21ab2ead761f45c6d5981"`
[INFO] [stderr]    Compiling syn v0.15.32
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.42
[INFO] [stderr]    Compiling bumpalo v2.4.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.14
[INFO] [stderr]    Compiling wasm-bindgen v0.2.42
[INFO] [stderr]    Compiling sourcefile v0.1.4
[INFO] [stderr]    Compiling regex-syntax v0.6.6
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling aho-corasick v0.7.3
[INFO] [stderr]    Compiling weedle v0.8.0
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]    Compiling env_logger v0.6.1
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.42
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.42
[INFO] [stderr]    Compiling wasm-bindgen-webidl v0.2.42
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.42
[INFO] [stderr]     Checking js-sys v0.3.19
[INFO] [stderr]    Compiling web-sys v0.3.19
[INFO] [stderr]     Checking nes v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Result`
[INFO] [stderr]  --> src/util.rs:6:34
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::io::{self, Read, Write, Result};
[INFO] [stderr]   |                                  ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `OutputBuffer`, `self`
[INFO] [stderr]  --> src/apu.rs:7:13
[INFO] [stderr]   |
[INFO] [stderr] 7 | use audio::{self, OutputBuffer};
[INFO] [stderr]   |             ^^^^  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `resampler::Resampler`
[INFO] [stderr]  --> src/apu.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use resampler::Resampler;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp`
[INFO] [stderr]   --> src/audio.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::cmp;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::slice::from_raw_parts_mut`
[INFO] [stderr]   --> src/audio.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::slice::from_raw_parts_mut;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `apu::Apu`
[INFO] [stderr]   --> src/lib.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 | use apu::Apu;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `cpu::Cpu`
[INFO] [stderr]   --> src/lib.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 | use cpu::Cpu;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Gfx`
[INFO] [stderr]   --> src/lib.rs:33:11
[INFO] [stderr]    |
[INFO] [stderr] 33 | use gfx::{Gfx, Scale};
[INFO] [stderr]    |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `InputResult`, `Input`
[INFO] [stderr]   --> src/lib.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 | use input::{Input, InputResult};
[INFO] [stderr]    |             ^^^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `mapper::Mapper`
[INFO] [stderr]   --> src/lib.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 | use mapper::Mapper;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `mem::MemMap`
[INFO] [stderr]   --> src/lib.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 | use mem::MemMap;
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Oam`, `Ppu`, `Vram`
[INFO] [stderr]   --> src/lib.rs:37:11
[INFO] [stderr]    |
[INFO] [stderr] 37 | use ppu::{Oam, Ppu, Vram};
[INFO] [stderr]    |           ^^^  ^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `util::Save`
[INFO] [stderr]   --> src/lib.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 | use util::Save;
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]   --> src/lib.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 | use std::thread;
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `input_source::*`
[INFO] [stderr]   --> src/lib.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 | use input_source::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `emulator::Emulator`
[INFO] [stderr]   --> src/lib.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 | use emulator::Emulator;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cell::RefCell`
[INFO] [stderr]   --> src/lib.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 | use std::cell::RefCell;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]   --> src/lib.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 | use std::fs::File;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]   --> src/lib.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 | use std::path::Path;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]   --> src/lib.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 | use std::rc::Rc;
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::mpsc::channel`
[INFO] [stderr]   --> src/lib.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 | use std::sync::mpsc::channel;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/lib.rs:54:1
[INFO] [stderr]    |
[INFO] [stderr] 54 | / macro_rules! log {
[INFO] [stderr] 55 | |     ( $( $t:tt )* ) => {
[INFO] [stderr] 56 | |         web_sys::console::log_1(&format!( $( $t )* ).into());
[INFO] [stderr] 57 | |     }
[INFO] [stderr] 58 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_macros)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Result`
[INFO] [stderr]  --> src/util.rs:6:34
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::io::{self, Read, Write, Result};
[INFO] [stderr]   |                                  ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `OutputBuffer`, `self`
[INFO] [stderr]  --> src/apu.rs:7:13
[INFO] [stderr]   |
[INFO] [stderr] 7 | use audio::{self, OutputBuffer};
[INFO] [stderr]   |             ^^^^  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `resampler::Resampler`
[INFO] [stderr]  --> src/apu.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use resampler::Resampler;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp`
[INFO] [stderr]   --> src/audio.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::cmp;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::slice::from_raw_parts_mut`
[INFO] [stderr]   --> src/audio.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::slice::from_raw_parts_mut;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `apu::Apu`
[INFO] [stderr]   --> src/lib.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 | use apu::Apu;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `cpu::Cpu`
[INFO] [stderr]   --> src/lib.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 | use cpu::Cpu;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Gfx`
[INFO] [stderr]   --> src/lib.rs:33:11
[INFO] [stderr]    |
[INFO] [stderr] 33 | use gfx::{Gfx, Scale};
[INFO] [stderr]    |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `InputResult`, `Input`
[INFO] [stderr]   --> src/lib.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 | use input::{Input, InputResult};
[INFO] [stderr]    |             ^^^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `mapper::Mapper`
[INFO] [stderr]   --> src/lib.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 | use mapper::Mapper;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `mem::MemMap`
[INFO] [stderr]   --> src/lib.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 | use mem::MemMap;
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Oam`, `Ppu`, `Vram`
[INFO] [stderr]   --> src/lib.rs:37:11
[INFO] [stderr]    |
[INFO] [stderr] 37 | use ppu::{Oam, Ppu, Vram};
[INFO] [stderr]    |           ^^^  ^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `util::Save`
[INFO] [stderr]   --> src/lib.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 | use util::Save;
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]   --> src/lib.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 | use std::thread;
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `input_source::*`
[INFO] [stderr]   --> src/lib.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 | use input_source::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `emulator::Emulator`
[INFO] [stderr]   --> src/lib.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 | use emulator::Emulator;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cell::RefCell`
[INFO] [stderr]   --> src/lib.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 | use std::cell::RefCell;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]   --> src/lib.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 | use std::fs::File;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]   --> src/lib.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 | use std::path::Path;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]   --> src/lib.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 | use std::rc::Rc;
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::mpsc::channel`
[INFO] [stderr]   --> src/lib.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 | use std::sync::mpsc::channel;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/lib.rs:54:1
[INFO] [stderr]    |
[INFO] [stderr] 54 | / macro_rules! log {
[INFO] [stderr] 55 | |     ( $( $t:tt )* ) => {
[INFO] [stderr] 56 | |         web_sys::console::log_1(&format!( $( $t )* ).into());
[INFO] [stderr] 57 | |     }
[INFO] [stderr] 58 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_macros)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rom`
[INFO] [stderr]   --> src/lib.rs:80:23
[INFO] [stderr]    |
[INFO] [stderr] 80 | pub fn start_emulator(rom: Rom, scale: Scale) {
[INFO] [stderr]    |                       ^^^ help: consider prefixing with an underscore: `_rom`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `scale`
[INFO] [stderr]   --> src/lib.rs:80:33
[INFO] [stderr]    |
[INFO] [stderr] 80 | pub fn start_emulator(rom: Rom, scale: Scale) {
[INFO] [stderr]    |                                 ^^^^^ help: consider prefixing with an underscore: `_scale`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pulse_number`
[INFO] [stderr]    --> src/apu.rs:600:30
[INFO] [stderr]     |
[INFO] [stderr] 600 |     fn play_pulse(&mut self, pulse_number: usize, channel: usize) {
[INFO] [stderr]     |                              ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_pulse_number`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `channel`
[INFO] [stderr]    --> src/apu.rs:600:51
[INFO] [stderr]     |
[INFO] [stderr] 600 |     fn play_pulse(&mut self, pulse_number: usize, channel: usize) {
[INFO] [stderr]     |                                                   ^^^^^^^ help: consider prefixing with an underscore: `_channel`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `channel`
[INFO] [stderr]    --> src/apu.rs:637:33
[INFO] [stderr]     |
[INFO] [stderr] 637 |     fn play_triangle(&mut self, channel: usize) {
[INFO] [stderr]     |                                 ^^^^^^^ help: consider prefixing with an underscore: `_channel`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `channel`
[INFO] [stderr]    --> src/apu.rs:666:30
[INFO] [stderr]     |
[INFO] [stderr] 666 |     fn play_noise(&mut self, channel: usize) {
[INFO] [stderr]     |                              ^^^^^^^ help: consider prefixing with an underscore: `_channel`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `nes_sample_rate`
[INFO] [stderr]  --> src/resampler.rs:7:16
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub fn new(nes_sample_rate: u32, output_sample_rate: u32) -> Self {
[INFO] [stderr]   |                ^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_nes_sample_rate`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output_sample_rate`
[INFO] [stderr]  --> src/resampler.rs:7:38
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub fn new(nes_sample_rate: u32, output_sample_rate: u32) -> Self {
[INFO] [stderr]   |                                      ^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_output_sample_rate`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> src/resampler.rs:14:27
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn process(&self, input: &mut [i16], output: &mut [u8]) {
[INFO] [stderr]    |                           ^^^^^ help: consider prefixing with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output`
[INFO] [stderr]   --> src/resampler.rs:14:46
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn process(&self, input: &mut [i16], output: &mut [u8]) {
[INFO] [stderr]    |                                              ^^^^^^ help: consider prefixing with an underscore: `_output`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ppu_screen`
[INFO] [stderr]    --> src/gfx.rs:327:24
[INFO] [stderr]     |
[INFO] [stderr] 327 |     fn blit(&mut self, ppu_screen: &[u8; SCREEN_SIZE]) {
[INFO] [stderr]     |                        ^^^^^^^^^^ help: consider prefixing with an underscore: `_ppu_screen`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/util.rs:9:20
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn read_to_buf(mut buf: &mut [u8], rd: &mut Read) -> io::Result<()> {
[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: unnecessary `unsafe` block
[INFO] [stderr]   --> src/audio.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     unsafe {
[INFO] [stderr]    |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_unsafe)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NES_SAMPLE_RATE`
[INFO] [stderr]   --> src/apu.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | const NES_SAMPLE_RATE: u32 = 1789920;   // Actual is 1789800, but this is divisible by 240.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `OUTPUT_SAMPLE_RATE`
[INFO] [stderr]   --> src/apu.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | const OUTPUT_SAMPLE_RATE: u32 = 44100;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `TICK_FREQUENCY`
[INFO] [stderr]   --> src/apu.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | const TICK_FREQUENCY: u32 = 240;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NES_SAMPLES_PER_TICK`
[INFO] [stderr]   --> src/apu.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | const NES_SAMPLES_PER_TICK: u32 = NES_SAMPLE_RATE / TICK_FREQUENCY;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `PULSE_WAVEFORMS`
[INFO] [stderr]   --> src/apu.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | const PULSE_WAVEFORMS: [u8; 4] = [ 0b01000000, 0b01100000, 0b01111000, 0b10011111 ];
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `TRIANGLE_WAVEFORM`
[INFO] [stderr]   --> src/apu.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | / const TRIANGLE_WAVEFORM: [u8; 32] = [
[INFO] [stderr] 32 | |     15, 14, 13, 12, 11, 10,  9,  8,  7,  6,  5,  4,  3,  2,  1,  0,
[INFO] [stderr] 33 | |      0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14, 15,
[INFO] [stderr] 34 | | ];
[INFO] [stderr]    | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `audible`
[INFO] [stderr]    --> src/apu.rs:155:5
[INFO] [stderr]     |
[INFO] [stderr] 155 |     fn audible(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `sample_volume`
[INFO] [stderr]    --> src/apu.rs:159:5
[INFO] [stderr]     |
[INFO] [stderr] 159 |     fn sample_volume(&self) -> i16 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `audible`
[INFO] [stderr]    --> src/apu.rs:193:5
[INFO] [stderr]     |
[INFO] [stderr] 193 |     fn audible(&self) -> bool { self.value > 0 }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `wavelen`
[INFO] [stderr]    --> src/apu.rs:194:5
[INFO] [stderr]     |
[INFO] [stderr] 194 |     fn wavelen(&self) -> u64 { (self.value as u64 + 1) * 2 }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `waveform_index`
[INFO] [stderr]    --> src/apu.rs:267:5
[INFO] [stderr]     |
[INFO] [stderr] 267 |     waveform_index: u8,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `audible`
[INFO] [stderr]    --> src/apu.rs:308:5
[INFO] [stderr]     |
[INFO] [stderr] 308 |     fn audible(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `rng`
[INFO] [stderr]    --> src/apu.rs:322:5
[INFO] [stderr]     |
[INFO] [stderr] 322 |     rng: Xorshift,      // FIXME: This is inaccurate.
[INFO] [stderr]     |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SAMPLE_COUNT`
[INFO] [stderr]    --> src/apu.rs:400:1
[INFO] [stderr]     |
[INFO] [stderr] 400 | const SAMPLE_COUNT: usize = 178992;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `SampleBuffer`
[INFO] [stderr]    --> src/apu.rs:402:1
[INFO] [stderr]     |
[INFO] [stderr] 402 | struct SampleBuffer {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_or_zero_sample_buffer`
[INFO] [stderr]    --> src/apu.rs:587:5
[INFO] [stderr]     |
[INFO] [stderr] 587 | /     fn get_or_zero_sample_buffer(buffer: &mut [i16], offset: usize, audible: bool)
[INFO] [stderr] 588 | |                                  -> Option<&mut [i16]> {
[INFO] [stderr] 589 | |         let buffer = &mut buffer[offset..offset + NES_SAMPLES_PER_TICK as usize];
[INFO] [stderr] 590 | |         if audible {
[INFO] [stderr] ...   |
[INFO] [stderr] 597 | |         None
[INFO] [stderr] 598 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `play_pulse`
[INFO] [stderr]    --> src/apu.rs:600:5
[INFO] [stderr]     |
[INFO] [stderr] 600 |     fn play_pulse(&mut self, pulse_number: usize, channel: usize) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `play_triangle`
[INFO] [stderr]    --> src/apu.rs:637:5
[INFO] [stderr]     |
[INFO] [stderr] 637 |     fn play_triangle(&mut self, channel: usize) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `play_noise`
[INFO] [stderr]    --> src/apu.rs:666:5
[INFO] [stderr]     |
[INFO] [stderr] 666 |     fn play_noise(&mut self, channel: usize) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `g_output_buffer`
[INFO] [stderr]   --> src/audio.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | static mut g_output_buffer: Option<*mut OutputBuffer> = None;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `factor`
[INFO] [stderr]    --> src/gfx.rs:267:5
[INFO] [stderr]     |
[INFO] [stderr] 267 |     fn factor(self) -> usize {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `g_output_buffer` should have an upper case name
[INFO] [stderr]   --> src/audio.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 23 | static mut g_output_buffer: Option<*mut OutputBuffer> = None;
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `G_OUTPUT_BUFFER`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_upper_case_globals)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rom`
[INFO] [stderr]   --> src/lib.rs:80:23
[INFO] [stderr]    |
[INFO] [stderr] 80 | pub fn start_emulator(rom: Rom, scale: Scale) {
[INFO] [stderr]    |                       ^^^ help: consider prefixing with an underscore: `_rom`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `scale`
[INFO] [stderr]   --> src/lib.rs:80:33
[INFO] [stderr]    |
[INFO] [stderr] 80 | pub fn start_emulator(rom: Rom, scale: Scale) {
[INFO] [stderr]    |                                 ^^^^^ help: consider prefixing with an underscore: `_scale`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pulse_number`
[INFO] [stderr]    --> src/apu.rs:600:30
[INFO] [stderr]     |
[INFO] [stderr] 600 |     fn play_pulse(&mut self, pulse_number: usize, channel: usize) {
[INFO] [stderr]     |                              ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_pulse_number`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `channel`
[INFO] [stderr]    --> src/apu.rs:600:51
[INFO] [stderr]     |
[INFO] [stderr] 600 |     fn play_pulse(&mut self, pulse_number: usize, channel: usize) {
[INFO] [stderr]     |                                                   ^^^^^^^ help: consider prefixing with an underscore: `_channel`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `channel`
[INFO] [stderr]    --> src/apu.rs:637:33
[INFO] [stderr]     |
[INFO] [stderr] 637 |     fn play_triangle(&mut self, channel: usize) {
[INFO] [stderr]     |                                 ^^^^^^^ help: consider prefixing with an underscore: `_channel`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `channel`
[INFO] [stderr]    --> src/apu.rs:666:30
[INFO] [stderr]     |
[INFO] [stderr] 666 |     fn play_noise(&mut self, channel: usize) {
[INFO] [stderr]     |                              ^^^^^^^ help: consider prefixing with an underscore: `_channel`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `nes_sample_rate`
[INFO] [stderr]  --> src/resampler.rs:7:16
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub fn new(nes_sample_rate: u32, output_sample_rate: u32) -> Self {
[INFO] [stderr]   |                ^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_nes_sample_rate`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output_sample_rate`
[INFO] [stderr]  --> src/resampler.rs:7:38
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub fn new(nes_sample_rate: u32, output_sample_rate: u32) -> Self {
[INFO] [stderr]   |                                      ^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_output_sample_rate`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> src/resampler.rs:14:27
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn process(&self, input: &mut [i16], output: &mut [u8]) {
[INFO] [stderr]    |                           ^^^^^ help: consider prefixing with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output`
[INFO] [stderr]   --> src/resampler.rs:14:46
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn process(&self, input: &mut [i16], output: &mut [u8]) {
[INFO] [stderr]    |                                              ^^^^^^ help: consider prefixing with an underscore: `_output`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ppu_screen`
[INFO] [stderr]    --> src/gfx.rs:327:24
[INFO] [stderr]     |
[INFO] [stderr] 327 |     fn blit(&mut self, ppu_screen: &[u8; SCREEN_SIZE]) {
[INFO] [stderr]     |                        ^^^^^^^^^^ help: consider prefixing with an underscore: `_ppu_screen`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/util.rs:9:20
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn read_to_buf(mut buf: &mut [u8], rd: &mut Read) -> io::Result<()> {
[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: unnecessary `unsafe` block
[INFO] [stderr]   --> src/audio.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     unsafe {
[INFO] [stderr]    |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_unsafe)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NES_SAMPLE_RATE`
[INFO] [stderr]   --> src/apu.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | const NES_SAMPLE_RATE: u32 = 1789920;   // Actual is 1789800, but this is divisible by 240.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `OUTPUT_SAMPLE_RATE`
[INFO] [stderr]   --> src/apu.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | const OUTPUT_SAMPLE_RATE: u32 = 44100;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `TICK_FREQUENCY`
[INFO] [stderr]   --> src/apu.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | const TICK_FREQUENCY: u32 = 240;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NES_SAMPLES_PER_TICK`
[INFO] [stderr]   --> src/apu.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | const NES_SAMPLES_PER_TICK: u32 = NES_SAMPLE_RATE / TICK_FREQUENCY;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `PULSE_WAVEFORMS`
[INFO] [stderr]   --> src/apu.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | const PULSE_WAVEFORMS: [u8; 4] = [ 0b01000000, 0b01100000, 0b01111000, 0b10011111 ];
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `TRIANGLE_WAVEFORM`
[INFO] [stderr]   --> src/apu.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | / const TRIANGLE_WAVEFORM: [u8; 32] = [
[INFO] [stderr] 32 | |     15, 14, 13, 12, 11, 10,  9,  8,  7,  6,  5,  4,  3,  2,  1,  0,
[INFO] [stderr] 33 | |      0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14, 15,
[INFO] [stderr] 34 | | ];
[INFO] [stderr]    | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `audible`
[INFO] [stderr]    --> src/apu.rs:155:5
[INFO] [stderr]     |
[INFO] [stderr] 155 |     fn audible(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `sample_volume`
[INFO] [stderr]    --> src/apu.rs:159:5
[INFO] [stderr]     |
[INFO] [stderr] 159 |     fn sample_volume(&self) -> i16 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `audible`
[INFO] [stderr]    --> src/apu.rs:193:5
[INFO] [stderr]     |
[INFO] [stderr] 193 |     fn audible(&self) -> bool { self.value > 0 }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `wavelen`
[INFO] [stderr]    --> src/apu.rs:194:5
[INFO] [stderr]     |
[INFO] [stderr] 194 |     fn wavelen(&self) -> u64 { (self.value as u64 + 1) * 2 }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `waveform_index`
[INFO] [stderr]    --> src/apu.rs:267:5
[INFO] [stderr]     |
[INFO] [stderr] 267 |     waveform_index: u8,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `audible`
[INFO] [stderr]    --> src/apu.rs:308:5
[INFO] [stderr]     |
[INFO] [stderr] 308 |     fn audible(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `rng`
[INFO] [stderr]    --> src/apu.rs:322:5
[INFO] [stderr]     |
[INFO] [stderr] 322 |     rng: Xorshift,      // FIXME: This is inaccurate.
[INFO] [stderr]     |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SAMPLE_COUNT`
[INFO] [stderr]    --> src/apu.rs:400:1
[INFO] [stderr]     |
[INFO] [stderr] 400 | const SAMPLE_COUNT: usize = 178992;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `SampleBuffer`
[INFO] [stderr]    --> src/apu.rs:402:1
[INFO] [stderr]     |
[INFO] [stderr] 402 | struct SampleBuffer {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_or_zero_sample_buffer`
[INFO] [stderr]    --> src/apu.rs:587:5
[INFO] [stderr]     |
[INFO] [stderr] 587 | /     fn get_or_zero_sample_buffer(buffer: &mut [i16], offset: usize, audible: bool)
[INFO] [stderr] 588 | |                                  -> Option<&mut [i16]> {
[INFO] [stderr] 589 | |         let buffer = &mut buffer[offset..offset + NES_SAMPLES_PER_TICK as usize];
[INFO] [stderr] 590 | |         if audible {
[INFO] [stderr] ...   |
[INFO] [stderr] 597 | |         None
[INFO] [stderr] 598 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `play_pulse`
[INFO] [stderr]    --> src/apu.rs:600:5
[INFO] [stderr]     |
[INFO] [stderr] 600 |     fn play_pulse(&mut self, pulse_number: usize, channel: usize) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `play_triangle`
[INFO] [stderr]    --> src/apu.rs:637:5
[INFO] [stderr]     |
[INFO] [stderr] 637 |     fn play_triangle(&mut self, channel: usize) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `play_noise`
[INFO] [stderr]    --> src/apu.rs:666:5
[INFO] [stderr]     |
[INFO] [stderr] 666 |     fn play_noise(&mut self, channel: usize) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `g_output_buffer`
[INFO] [stderr]   --> src/audio.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | static mut g_output_buffer: Option<*mut OutputBuffer> = None;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `factor`
[INFO] [stderr]    --> src/gfx.rs:267:5
[INFO] [stderr]     |
[INFO] [stderr] 267 |     fn factor(self) -> usize {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `g_output_buffer` should have an upper case name
[INFO] [stderr]   --> src/audio.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 23 | static mut g_output_buffer: Option<*mut OutputBuffer> = None;
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `G_OUTPUT_BUFFER`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_upper_case_globals)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 34s
[INFO] running `"docker" "inspect" "c4bb815fc7bec7d2c98673f3f92b3e6fcd2778ed64b21ab2ead761f45c6d5981"`
[INFO] running `"docker" "rm" "-f" "c4bb815fc7bec7d2c98673f3f92b3e6fcd2778ed64b21ab2ead761f45c6d5981"`
[INFO] [stdout] c4bb815fc7bec7d2c98673f3f92b3e6fcd2778ed64b21ab2ead761f45c6d5981