[INFO] cloning repository https://github.com/sudfud/rugb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sudfud/rugb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsudfud%2Frugb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsudfud%2Frugb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 16bcf14244c467f7e2fc0ba139e10dc84200f4d4
[INFO] checking sudfud/rugb against try#2c4819a380dbddb1f2a0f4405a49fb6ed90983ae for pr-152996
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsudfud%2Frugb" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sudfud/rugb
[INFO] finished tweaking git repo https://github.com/sudfud/rugb
[INFO] tweaked toml for git repo https://github.com/sudfud/rugb written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sudfud/rugb on toolchain 2c4819a380dbddb1f2a0f4405a49fb6ed90983ae
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2c4819a380dbddb1f2a0f4405a49fb6ed90983ae" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sudfud/rugb already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2c4819a380dbddb1f2a0f4405a49fb6ed90983ae" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+2c4819a380dbddb1f2a0f4405a49fb6ed90983ae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27f6e3ab94494b31c58637f37a26b1da36042d6c8c0e77de38961ca82c557882
[INFO] running `Command { std: "docker" "start" "-a" "27f6e3ab94494b31c58637f37a26b1da36042d6c8c0e77de38961ca82c557882", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27f6e3ab94494b31c58637f37a26b1da36042d6c8c0e77de38961ca82c557882", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27f6e3ab94494b31c58637f37a26b1da36042d6c8c0e77de38961ca82c557882", kill_on_drop: false }`
[INFO] [stdout] 27f6e3ab94494b31c58637f37a26b1da36042d6c8c0e77de38961ca82c557882
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+2c4819a380dbddb1f2a0f4405a49fb6ed90983ae" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d384f5d24f71673ee8313b72e2af664c8d9ed4756223b0638d48b9f1b733a2c
[INFO] running `Command { std: "docker" "start" "-a" "9d384f5d24f71673ee8313b72e2af664c8d9ed4756223b0638d48b9f1b733a2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling find-msvc-tools v0.1.4
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling sdl2 v0.38.0
[INFO] [stderr]     Checking blip_buf v0.1.6
[INFO] [stderr]    Compiling cc v1.2.41
[INFO] [stderr]    Compiling cmake v0.1.54
[INFO] [stderr]    Compiling sdl2-sys v0.38.0
[INFO] [stderr]     Checking rugb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/emulator/cartridge.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/emulator/cartridge.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/emulator/cartridge.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/emulator/cartridge.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]    --> src/emulator/cpu.rs:393:21
[INFO] [stdout]     |
[INFO] [stdout] 393 |             0x40 => self.registers.b = self.registers.b,
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]    --> src/emulator/cpu.rs:420:21
[INFO] [stdout]     |
[INFO] [stdout] 420 |             0x49 => self.registers.c = self.registers.c,
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]    --> src/emulator/cpu.rs:447:21
[INFO] [stdout]     |
[INFO] [stdout] 447 |             0x52 => self.registers.d = self.registers.d,
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]    --> src/emulator/cpu.rs:474:21
[INFO] [stdout]     |
[INFO] [stdout] 474 |             0x5B => self.registers.e = self.registers.e,
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]    --> src/emulator/cpu.rs:501:21
[INFO] [stdout]     |
[INFO] [stdout] 501 |             0x64 => self.registers.h = self.registers.h,
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]    --> src/emulator/cpu.rs:528:21
[INFO] [stdout]     |
[INFO] [stdout] 528 |             0x6D => self.registers.l = self.registers.l,
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]    --> src/emulator/cpu.rs:582:21
[INFO] [stdout]     |
[INFO] [stdout] 582 |             0x7F => self.registers.a = self.registers.a,
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `sound_enabled` and `samples_available` are never used
[INFO] [stdout]    --> src/emulator.rs:126:19
[INFO] [stdout]     |
[INFO] [stdout]  72 | impl Emulator {
[INFO] [stdout]     | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 126 |     pub(super) fn sound_enabled(&self) -> bool {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 130 |     pub(super) fn samples_available(&self) -> u32 {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `enabled` and `samples_available` are never used
[INFO] [stdout]    --> src/emulator/apu.rs:44:19
[INFO] [stdout]     |
[INFO] [stdout]  23 | impl Apu {
[INFO] [stdout]     | -------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  44 |     pub(super) fn enabled(&self) -> bool {
[INFO] [stdout]     |                   ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 359 |     pub(super) fn samples_available(&self) -> u32 {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `AUDIO_ENABLE_FLAG` is never used
[INFO] [stdout]    --> src/emulator/apu.rs:379:7
[INFO] [stdout]     |
[INFO] [stdout] 379 | const AUDIO_ENABLE_FLAG: u8 = 0x80;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `VIN_LEFT_FLAG` is never used
[INFO] [stdout]    --> src/emulator/apu.rs:380:7
[INFO] [stdout]     |
[INFO] [stdout] 380 | const VIN_LEFT_FLAG: u8 = 0x80;
[INFO] [stdout]     |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `VIN_RIGHT_FLAG` is never used
[INFO] [stdout]    --> src/emulator/apu.rs:381:7
[INFO] [stdout]     |
[INFO] [stdout] 381 | const VIN_RIGHT_FLAG: u8 = 0x08;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LEFT_VOLUME_FLAG` is never used
[INFO] [stdout]    --> src/emulator/apu.rs:382:7
[INFO] [stdout]     |
[INFO] [stdout] 382 | const LEFT_VOLUME_FLAG: u8 = 0x70;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RIGHT_VOLUME_FLAG` is never used
[INFO] [stdout]    --> src/emulator/apu.rs:383:7
[INFO] [stdout]     |
[INFO] [stdout] 383 | const RIGHT_VOLUME_FLAG: u8 = 0x07;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AudioMasterControl` is never constructed
[INFO] [stdout]    --> src/emulator/apu.rs:385:8
[INFO] [stdout]     |
[INFO] [stdout] 385 | struct AudioMasterControl(u8);
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_powered_on`, `is_channel_on`, and `set_channel_on` are never used
[INFO] [stdout]    --> src/emulator/apu.rs:388:8
[INFO] [stdout]     |
[INFO] [stdout] 387 | impl AudioMasterControl {
[INFO] [stdout]     | ----------------------- methods in this implementation
[INFO] [stdout] 388 |     fn is_powered_on(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 392 |     fn is_channel_on(&self, channel: ChannelType) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 396 |     fn set_channel_on(&mut self, channel: ChannelType, on: bool) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `left` and `right` are never used
[INFO] [stdout]    --> src/emulator/apu.rs:410:8
[INFO] [stdout]     |
[INFO] [stdout] 409 | impl Panning {
[INFO] [stdout]     | ------------ methods in this implementation
[INFO] [stdout] 410 |     fn left(&self, channel: ChannelType) -> bool {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 414 |     fn right(&self, channel: ChannelType) -> bool {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `vin_left`, `vin_right`, `left`, and `right` are never used
[INFO] [stdout]    --> src/emulator/apu.rs:422:8
[INFO] [stdout]     |
[INFO] [stdout] 421 | impl AudioMasterVolume {
[INFO] [stdout]     | ---------------------- methods in this implementation
[INFO] [stdout] 422 |     fn vin_left(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 426 |     fn vin_right(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 430 |     fn left(&self) -> u8 {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 434 |     fn right(&self) -> u8 {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ChannelType` is never used
[INFO] [stdout]  --> src/emulator/apu/channels.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub(super) enum ChannelType {
[INFO] [stdout]   |                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `clear` and `samples_available` are never used
[INFO] [stdout]    --> src/emulator/apu/channels.rs:244:19
[INFO] [stdout]     |
[INFO] [stdout]  39 | impl PulseChannel {
[INFO] [stdout]     | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 244 |     pub(super) fn clear(&mut self) {
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 252 |     pub(super) fn samples_available(&self) -> u32 {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]    --> src/emulator/cpu.rs:393:21
[INFO] [stdout]     |
[INFO] [stdout] 393 |             0x40 => self.registers.b = self.registers.b,
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]    --> src/emulator/cpu.rs:420:21
[INFO] [stdout]     |
[INFO] [stdout] 420 |             0x49 => self.registers.c = self.registers.c,
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]    --> src/emulator/cpu.rs:447:21
[INFO] [stdout]     |
[INFO] [stdout] 447 |             0x52 => self.registers.d = self.registers.d,
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]    --> src/emulator/cpu.rs:474:21
[INFO] [stdout]     |
[INFO] [stdout] 474 |             0x5B => self.registers.e = self.registers.e,
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]    --> src/emulator/cpu.rs:501:21
[INFO] [stdout]     |
[INFO] [stdout] 501 |             0x64 => self.registers.h = self.registers.h,
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]    --> src/emulator/cpu.rs:528:21
[INFO] [stdout]     |
[INFO] [stdout] 528 |             0x6D => self.registers.l = self.registers.l,
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]    --> src/emulator/cpu.rs:582:21
[INFO] [stdout]     |
[INFO] [stdout] 582 |             0x7F => self.registers.a = self.registers.a,
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `sound_enabled` and `samples_available` are never used
[INFO] [stdout]    --> src/emulator.rs:126:19
[INFO] [stdout]     |
[INFO] [stdout]  72 | impl Emulator {
[INFO] [stdout]     | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 126 |     pub(super) fn sound_enabled(&self) -> bool {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 130 |     pub(super) fn samples_available(&self) -> u32 {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `enabled` and `samples_available` are never used
[INFO] [stdout]    --> src/emulator/apu.rs:44:19
[INFO] [stdout]     |
[INFO] [stdout]  23 | impl Apu {
[INFO] [stdout]     | -------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  44 |     pub(super) fn enabled(&self) -> bool {
[INFO] [stdout]     |                   ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 359 |     pub(super) fn samples_available(&self) -> u32 {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `AUDIO_ENABLE_FLAG` is never used
[INFO] [stdout]    --> src/emulator/apu.rs:379:7
[INFO] [stdout]     |
[INFO] [stdout] 379 | const AUDIO_ENABLE_FLAG: u8 = 0x80;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `VIN_LEFT_FLAG` is never used
[INFO] [stdout]    --> src/emulator/apu.rs:380:7
[INFO] [stdout]     |
[INFO] [stdout] 380 | const VIN_LEFT_FLAG: u8 = 0x80;
[INFO] [stdout]     |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `VIN_RIGHT_FLAG` is never used
[INFO] [stdout]    --> src/emulator/apu.rs:381:7
[INFO] [stdout]     |
[INFO] [stdout] 381 | const VIN_RIGHT_FLAG: u8 = 0x08;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LEFT_VOLUME_FLAG` is never used
[INFO] [stdout]    --> src/emulator/apu.rs:382:7
[INFO] [stdout]     |
[INFO] [stdout] 382 | const LEFT_VOLUME_FLAG: u8 = 0x70;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RIGHT_VOLUME_FLAG` is never used
[INFO] [stdout]    --> src/emulator/apu.rs:383:7
[INFO] [stdout]     |
[INFO] [stdout] 383 | const RIGHT_VOLUME_FLAG: u8 = 0x07;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AudioMasterControl` is never constructed
[INFO] [stdout]    --> src/emulator/apu.rs:385:8
[INFO] [stdout]     |
[INFO] [stdout] 385 | struct AudioMasterControl(u8);
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_powered_on`, `is_channel_on`, and `set_channel_on` are never used
[INFO] [stdout]    --> src/emulator/apu.rs:388:8
[INFO] [stdout]     |
[INFO] [stdout] 387 | impl AudioMasterControl {
[INFO] [stdout]     | ----------------------- methods in this implementation
[INFO] [stdout] 388 |     fn is_powered_on(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 392 |     fn is_channel_on(&self, channel: ChannelType) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 396 |     fn set_channel_on(&mut self, channel: ChannelType, on: bool) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `left` and `right` are never used
[INFO] [stdout]    --> src/emulator/apu.rs:410:8
[INFO] [stdout]     |
[INFO] [stdout] 409 | impl Panning {
[INFO] [stdout]     | ------------ methods in this implementation
[INFO] [stdout] 410 |     fn left(&self, channel: ChannelType) -> bool {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 414 |     fn right(&self, channel: ChannelType) -> bool {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `vin_left`, `vin_right`, `left`, and `right` are never used
[INFO] [stdout]    --> src/emulator/apu.rs:422:8
[INFO] [stdout]     |
[INFO] [stdout] 421 | impl AudioMasterVolume {
[INFO] [stdout]     | ---------------------- methods in this implementation
[INFO] [stdout] 422 |     fn vin_left(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 426 |     fn vin_right(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 430 |     fn left(&self) -> u8 {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 434 |     fn right(&self) -> u8 {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ChannelType` is never used
[INFO] [stdout]  --> src/emulator/apu/channels.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub(super) enum ChannelType {
[INFO] [stdout]   |                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `clear` and `samples_available` are never used
[INFO] [stdout]    --> src/emulator/apu/channels.rs:244:19
[INFO] [stdout]     |
[INFO] [stdout]  39 | impl PulseChannel {
[INFO] [stdout]     | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 244 |     pub(super) fn clear(&mut self) {
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 252 |     pub(super) fn samples_available(&self) -> u32 {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 47s
[INFO] running `Command { std: "docker" "inspect" "9d384f5d24f71673ee8313b72e2af664c8d9ed4756223b0638d48b9f1b733a2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d384f5d24f71673ee8313b72e2af664c8d9ed4756223b0638d48b9f1b733a2c", kill_on_drop: false }`
[INFO] [stdout] 9d384f5d24f71673ee8313b72e2af664c8d9ed4756223b0638d48b9f1b733a2c