[INFO] cloning repository https://github.com/NicholasHallman/dmg-emu-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NicholasHallman/dmg-emu-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicholasHallman%2Fdmg-emu-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicholasHallman%2Fdmg-emu-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b68740f1517982ded1c8834860b83d3231d10f2f
[INFO] checking NicholasHallman/dmg-emu-rs against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicholasHallman%2Fdmg-emu-rs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NicholasHallman/dmg-emu-rs on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NicholasHallman/dmg-emu-rs
[INFO] finished tweaking git repo https://github.com/NicholasHallman/dmg-emu-rs
[INFO] tweaked toml for git repo https://github.com/NicholasHallman/dmg-emu-rs written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/NicholasHallman/dmg-emu-rs 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cascade v1.0.0
[INFO] [stderr]   Downloaded test-case v1.1.0
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.3.24
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.3.24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 059298de2ab9cd6d334ca3ee9b0124d79ca794ef2bcd3bb57cfe327b9ffa2def
[INFO] running `Command { std: "docker" "start" "-a" "059298de2ab9cd6d334ca3ee9b0124d79ca794ef2bcd3bb57cfe327b9ffa2def", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "059298de2ab9cd6d334ca3ee9b0124d79ca794ef2bcd3bb57cfe327b9ffa2def", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "059298de2ab9cd6d334ca3ee9b0124d79ca794ef2bcd3bb57cfe327b9ffa2def", kill_on_drop: false }`
[INFO] [stdout] 059298de2ab9cd6d334ca3ee9b0124d79ca794ef2bcd3bb57cfe327b9ffa2def
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0699ac14efa9e0196991419e95520ba89228d195654e45c7f8bc72eb20a668a
[INFO] running `Command { std: "docker" "start" "-a" "f0699ac14efa9e0196991419e95520ba89228d195654e45c7f8bc72eb20a668a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.74
[INFO] [stderr]    Compiling bumpalo v3.7.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.74
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking cascade v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling test-case v1.1.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.24
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.74
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.74
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.74
[INFO] [stderr]     Checking js-sys v0.3.51
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.24
[INFO] [stderr]     Checking web-sys v0.3.51
[INFO] [stderr]     Checking wasm-bindgen-test v0.3.24
[INFO] [stderr]     Checking dmg_emu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition: `log`
[INFO] [stdout]   --> src/mem.rs:10:14
[INFO] [stdout]    |
[INFO] [stdout] 10 | macro_rules! log {
[INFO] [stdout]    |              ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `log`
[INFO] [stdout]  --> src/cpu.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 | macro_rules! log {
[INFO] [stdout]   |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]  --> src/ppu.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::time::Instant;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `js_sys::SharedArrayBuffer`
[INFO] [stdout]  --> src/apu.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use js_sys::SharedArrayBuffer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `log`
[INFO] [stdout]   --> src/mem.rs:10:14
[INFO] [stdout]    |
[INFO] [stdout] 10 | macro_rules! log {
[INFO] [stdout]    |              ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `log`
[INFO] [stdout]  --> src/cpu.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 | macro_rules! log {
[INFO] [stdout]   |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]  --> src/ppu.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::time::Instant;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `js_sys::SharedArrayBuffer`
[INFO] [stdout]  --> src/apu.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use js_sys::SharedArrayBuffer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/mem.rs:138:13
[INFO] [stdout]     |
[INFO] [stdout] 138 |             _ => 0xFF
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mem`
[INFO] [stdout]    --> src/cpu.rs:621:22
[INFO] [stdout]     |
[INFO] [stdout] 621 |     fn di(&mut self, mem: &mut Mem) {
[INFO] [stdout]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_mem`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mem`
[INFO] [stdout]    --> src/cpu.rs:626:22
[INFO] [stdout]     |
[INFO] [stdout] 626 |     fn ei(&mut self, mem: &mut Mem) {
[INFO] [stdout]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_mem`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/mem.rs:138:13
[INFO] [stdout]     |
[INFO] [stdout] 138 |             _ => 0xFF
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mem`
[INFO] [stdout]    --> src/cpu.rs:621:22
[INFO] [stdout]     |
[INFO] [stdout] 621 |     fn di(&mut self, mem: &mut Mem) {
[INFO] [stdout]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_mem`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mem`
[INFO] [stdout]    --> src/cpu.rs:626:22
[INFO] [stdout]     |
[INFO] [stdout] 626 |     fn ei(&mut self, mem: &mut Mem) {
[INFO] [stdout]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_mem`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mask`
[INFO] [stdout]    --> src/mbc.rs:211:21
[INFO] [stdout]     |
[INFO] [stdout] 211 |                 let mask = self.properties.ram_banks - 1;
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_mask`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rom`
[INFO] [stdout]    --> src/mbc.rs:226:29
[INFO] [stdout]     |
[INFO] [stdout] 226 |     fn load_cart(&mut self, rom: Vec<u8>) {
[INFO] [stdout]     |                             ^^^ help: if this is intentional, prefix it with an underscore: `_rom`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/mbc.rs:244:20
[INFO] [stdout]     |
[INFO] [stdout] 244 |     fn read(&self, addr: u16) -> u8 {
[INFO] [stdout]     |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/mbc.rs:248:25
[INFO] [stdout]     |
[INFO] [stdout] 248 |     fn write(&mut self, addr: u16, v: u8) {
[INFO] [stdout]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/mbc.rs:248:36
[INFO] [stdout]     |
[INFO] [stdout] 248 |     fn write(&mut self, addr: u16, v: u8) {
[INFO] [stdout]     |                                    ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rom`
[INFO] [stdout]    --> src/mbc.rs:252:29
[INFO] [stdout]     |
[INFO] [stdout] 252 |     fn load_cart(&mut self, rom: Vec<u8>) {
[INFO] [stdout]     |                             ^^^ help: if this is intentional, prefix it with an underscore: `_rom`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/mbc.rs:270:20
[INFO] [stdout]     |
[INFO] [stdout] 270 |     fn read(&self, addr: u16) -> u8 {
[INFO] [stdout]     |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/mbc.rs:274:25
[INFO] [stdout]     |
[INFO] [stdout] 274 |     fn write(&mut self, addr: u16, v: u8) {
[INFO] [stdout]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/mbc.rs:274:36
[INFO] [stdout]     |
[INFO] [stdout] 274 |     fn write(&mut self, addr: u16, v: u8) {
[INFO] [stdout]     |                                    ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rom`
[INFO] [stdout]    --> src/mbc.rs:278:29
[INFO] [stdout]     |
[INFO] [stdout] 278 |     fn load_cart(&mut self, rom: Vec<u8>) {
[INFO] [stdout]     |                             ^^^ help: if this is intentional, prefix it with an underscore: `_rom`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/mbc.rs:296:20
[INFO] [stdout]     |
[INFO] [stdout] 296 |     fn read(&self, addr: u16) -> u8 {
[INFO] [stdout]     |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/mbc.rs:300:25
[INFO] [stdout]     |
[INFO] [stdout] 300 |     fn write(&mut self, addr: u16, v: u8) {
[INFO] [stdout]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/mbc.rs:300:36
[INFO] [stdout]     |
[INFO] [stdout] 300 |     fn write(&mut self, addr: u16, v: u8) {
[INFO] [stdout]     |                                    ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rom`
[INFO] [stdout]    --> src/mbc.rs:304:29
[INFO] [stdout]     |
[INFO] [stdout] 304 |     fn load_cart(&mut self, rom: Vec<u8>) {
[INFO] [stdout]     |                             ^^^ help: if this is intentional, prefix it with an underscore: `_rom`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/mbc.rs:322:20
[INFO] [stdout]     |
[INFO] [stdout] 322 |     fn read(&self, addr: u16) -> u8 {
[INFO] [stdout]     |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/mbc.rs:326:25
[INFO] [stdout]     |
[INFO] [stdout] 326 |     fn write(&mut self, addr: u16, v: u8) {
[INFO] [stdout]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/mbc.rs:326:36
[INFO] [stdout]     |
[INFO] [stdout] 326 |     fn write(&mut self, addr: u16, v: u8) {
[INFO] [stdout]     |                                    ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rom`
[INFO] [stdout]    --> src/mbc.rs:330:29
[INFO] [stdout]     |
[INFO] [stdout] 330 |     fn load_cart(&mut self, rom: Vec<u8>) {
[INFO] [stdout]     |                             ^^^ help: if this is intentional, prefix it with an underscore: `_rom`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/mbc.rs:348:20
[INFO] [stdout]     |
[INFO] [stdout] 348 |     fn read(&self, addr: u16) -> u8 {
[INFO] [stdout]     |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/mbc.rs:352:25
[INFO] [stdout]     |
[INFO] [stdout] 352 |     fn write(&mut self, addr: u16, v: u8) {
[INFO] [stdout]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/mbc.rs:352:36
[INFO] [stdout]     |
[INFO] [stdout] 352 |     fn write(&mut self, addr: u16, v: u8) {
[INFO] [stdout]     |                                    ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rom`
[INFO] [stdout]    --> src/mbc.rs:356:29
[INFO] [stdout]     |
[INFO] [stdout] 356 |     fn load_cart(&mut self, rom: Vec<u8>) {
[INFO] [stdout]     |                             ^^^ help: if this is intentional, prefix it with an underscore: `_rom`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/mbc.rs:374:20
[INFO] [stdout]     |
[INFO] [stdout] 374 |     fn read(&self, addr: u16) -> u8 {
[INFO] [stdout]     |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/mbc.rs:378:25
[INFO] [stdout]     |
[INFO] [stdout] 378 |     fn write(&mut self, addr: u16, v: u8) {
[INFO] [stdout]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/mbc.rs:378:36
[INFO] [stdout]     |
[INFO] [stdout] 378 |     fn write(&mut self, addr: u16, v: u8) {
[INFO] [stdout]     |                                    ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rom`
[INFO] [stdout]    --> src/mbc.rs:382:29
[INFO] [stdout]     |
[INFO] [stdout] 382 |     fn load_cart(&mut self, rom: Vec<u8>) {
[INFO] [stdout]     |                             ^^^ help: if this is intentional, prefix it with an underscore: `_rom`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/mbc.rs:400:20
[INFO] [stdout]     |
[INFO] [stdout] 400 |     fn read(&self, addr: u16) -> u8 {
[INFO] [stdout]     |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/mbc.rs:404:25
[INFO] [stdout]     |
[INFO] [stdout] 404 |     fn write(&mut self, addr: u16, v: u8) {
[INFO] [stdout]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/mbc.rs:404:36
[INFO] [stdout]     |
[INFO] [stdout] 404 |     fn write(&mut self, addr: u16, v: u8) {
[INFO] [stdout]     |                                    ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rom`
[INFO] [stdout]    --> src/mbc.rs:408:29
[INFO] [stdout]     |
[INFO] [stdout] 408 |     fn load_cart(&mut self, rom: Vec<u8>) {
[INFO] [stdout]     |                             ^^^ help: if this is intentional, prefix it with an underscore: `_rom`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/mbc.rs:422:20
[INFO] [stdout]     |
[INFO] [stdout] 422 |     fn read(&self, addr: u16) -> u8 {
[INFO] [stdout]     |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/mbc.rs:426:25
[INFO] [stdout]     |
[INFO] [stdout] 426 |     fn write(&mut self, addr: u16, v: u8) {
[INFO] [stdout]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/mbc.rs:426:36
[INFO] [stdout]     |
[INFO] [stdout] 426 |     fn write(&mut self, addr: u16, v: u8) {
[INFO] [stdout]     |                                    ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rom`
[INFO] [stdout]    --> src/mbc.rs:430:29
[INFO] [stdout]     |
[INFO] [stdout] 430 |     fn load_cart(&mut self, rom: Vec<u8>) {
[INFO] [stdout]     |                             ^^^ help: if this is intentional, prefix it with an underscore: `_rom`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `ppu_enabled` and `get_obj_enabled` are never used
[INFO] [stdout]    --> src/ppu.rs:600:8
[INFO] [stdout]     |
[INFO] [stdout] 597 | trait FetcherHelpers {
[INFO] [stdout]     |       -------------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 600 |     fn ppu_enabled(&self, mem: &Mem) -> bool;
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 606 |     fn get_obj_enabled(&self, mem: &Mem) -> bool;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DIV_TICK` is never used
[INFO] [stdout]   --> src/io.rs:78:7
[INFO] [stdout]    |
[INFO] [stdout] 78 | const DIV_TICK: u32 = 16384;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FREQUENCY` is never used
[INFO] [stdout]   --> src/io.rs:90:7
[INFO] [stdout]    |
[INFO] [stdout] 90 | const FREQUENCY: u32 = 4_194_304;
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `features` is never read
[INFO] [stdout]   --> src/mbc.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct MBCProperties {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     features: Vec<Hardware>
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `properties` is never read
[INFO] [stdout]    --> src/mbc.rs:232:5
[INFO] [stdout]     |
[INFO] [stdout] 231 | pub struct MBC2 {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] 232 |     properties: MBCProperties,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `properties` is never read
[INFO] [stdout]    --> src/mbc.rs:258:5
[INFO] [stdout]     |
[INFO] [stdout] 257 | pub struct MBC3 {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] 258 |     properties: MBCProperties
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `properties` is never read
[INFO] [stdout]    --> src/mbc.rs:284:5
[INFO] [stdout]     |
[INFO] [stdout] 283 | pub struct MBC4 {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] 284 |     properties: MBCProperties
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `properties` is never read
[INFO] [stdout]    --> src/mbc.rs:310:5
[INFO] [stdout]     |
[INFO] [stdout] 309 | pub struct MBC5 {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] 310 |     properties: MBCProperties
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `properties` is never read
[INFO] [stdout]    --> src/mbc.rs:336:5
[INFO] [stdout]     |
[INFO] [stdout] 335 | pub struct MBC6 {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] 336 |     properties: MBCProperties
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `properties` is never read
[INFO] [stdout]    --> src/mbc.rs:362:5
[INFO] [stdout]     |
[INFO] [stdout] 361 | pub struct MBC7 {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] 362 |     properties: MBCProperties
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `properties` is never read
[INFO] [stdout]    --> src/mbc.rs:388:5
[INFO] [stdout]     |
[INFO] [stdout] 387 | pub struct MMM01 {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] 388 |     properties: MBCProperties
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SAMPLE_RATE` is never used
[INFO] [stdout]  --> src/apu.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const SAMPLE_RATE: usize = 44100;
[INFO] [stdout]   |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `buffer_channel_1` is never used
[INFO] [stdout]   --> src/apu.rs:76:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl APU {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 76 |     fn buffer_channel_1(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `LCDControl` should have a snake case name
[INFO] [stdout]   --> src/mem.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     LCDControl: u8,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to snake case: `lcdcontrol`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `LCDStatus` should have a snake case name
[INFO] [stdout]   --> src/mem.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     LCDStatus: u8,
[INFO] [stdout]    |     ^^^^^^^^^ help: convert the identifier to snake case: `lcdstatus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `AF` should have a snake case name
[INFO] [stdout]   --> src/cpu.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub AF: u16, 
[INFO] [stdout]    |         ^^ help: convert the identifier to snake case: `af`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `BC` should have a snake case name
[INFO] [stdout]   --> src/cpu.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub BC: u16, 
[INFO] [stdout]    |         ^^ help: convert the identifier to snake case: `bc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `DE` should have a snake case name
[INFO] [stdout]   --> src/cpu.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub DE: u16, 
[INFO] [stdout]    |         ^^ help: convert the identifier to snake case: `de`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `HL` should have a snake case name
[INFO] [stdout]   --> src/cpu.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub HL: u16, 
[INFO] [stdout]    |         ^^ help: convert the identifier to snake case: `hl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `SP` should have a snake case name
[INFO] [stdout]   --> src/cpu.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub SP: u16, 
[INFO] [stdout]    |         ^^ help: convert the identifier to snake case: `sp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `PC` should have a snake case name
[INFO] [stdout]   --> src/cpu.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub PC: u16,
[INFO] [stdout]    |         ^^ help: convert the identifier to snake case: `pc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `AF` should have a snake case name
[INFO] [stdout]   --> src/cpu.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub AF: u16, 
[INFO] [stdout]    |         ^^ help: convert the identifier to snake case: `af`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `BC` should have a snake case name
[INFO] [stdout]   --> src/cpu.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub BC: u16, 
[INFO] [stdout]    |         ^^ help: convert the identifier to snake case: `bc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `DE` should have a snake case name
[INFO] [stdout]   --> src/cpu.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub DE: u16, 
[INFO] [stdout]    |         ^^ help: convert the identifier to snake case: `de`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `HL` should have a snake case name
[INFO] [stdout]   --> src/cpu.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub HL: u16, 
[INFO] [stdout]    |         ^^ help: convert the identifier to snake case: `hl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `SP` should have a snake case name
[INFO] [stdout]   --> src/cpu.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub SP: u16, 
[INFO] [stdout]    |         ^^ help: convert the identifier to snake case: `sp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `PC` should have a snake case name
[INFO] [stdout]   --> src/cpu.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub PC: u16,
[INFO] [stdout]    |         ^^ help: convert the identifier to snake case: `pc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `SB` should have a snake case name
[INFO] [stdout]  --> src/io.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     SB: u8,
[INFO] [stdout]   |     ^^ help: convert the identifier to snake case: `sb`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `SC` should have a snake case name
[INFO] [stdout]   --> src/io.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     SC: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `sc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `DIV` should have a snake case name
[INFO] [stdout]   --> src/io.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub DIV: u16,
[INFO] [stdout]    |         ^^^ help: convert the identifier to snake case: `div`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `TIMA` should have a snake case name
[INFO] [stdout]   --> src/io.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub TIMA: u8,
[INFO] [stdout]    |         ^^^^ help: convert the identifier to snake case: `tima`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `TMA` should have a snake case name
[INFO] [stdout]   --> src/io.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub TMA: u8,
[INFO] [stdout]    |         ^^^ help: convert the identifier to snake case: `tma`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `TAC` should have a snake case name
[INFO] [stdout]   --> src/io.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub TAC: u8,
[INFO] [stdout]    |         ^^^ help: convert the identifier to snake case: `tac`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `NR50` should have a snake case name
[INFO] [stdout]   --> src/apu.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     NR50: u8,
[INFO] [stdout]    |     ^^^^ help: convert the identifier to snake case: `nr50`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `NR51` should have a snake case name
[INFO] [stdout]   --> src/apu.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     NR51: u8,
[INFO] [stdout]    |     ^^^^ help: convert the identifier to snake case: `nr51`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `NR52` should have a snake case name
[INFO] [stdout]   --> src/apu.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     NR52: u8,
[INFO] [stdout]    |     ^^^^ help: convert the identifier to snake case: `nr52`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 77 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mask`
[INFO] [stdout]    --> src/mbc.rs:211:21
[INFO] [stdout]     |
[INFO] [stdout] 211 |                 let mask = self.properties.ram_banks - 1;
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_mask`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rom`
[INFO] [stdout]    --> src/mbc.rs:226:29
[INFO] [stdout]     |
[INFO] [stdout] 226 |     fn load_cart(&mut self, rom: Vec<u8>) {
[INFO] [stdout]     |                             ^^^ help: if this is intentional, prefix it with an underscore: `_rom`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/mbc.rs:244:20
[INFO] [stdout]     |
[INFO] [stdout] 244 |     fn read(&self, addr: u16) -> u8 {
[INFO] [stdout]     |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/mbc.rs:248:25
[INFO] [stdout]     |
[INFO] [stdout] 248 |     fn write(&mut self, addr: u16, v: u8) {
[INFO] [stdout]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/mbc.rs:248:36
[INFO] [stdout]     |
[INFO] [stdout] 248 |     fn write(&mut self, addr: u16, v: u8) {
[INFO] [stdout]     |                                    ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rom`
[INFO] [stdout]    --> src/mbc.rs:252:29
[INFO] [stdout]     |
[INFO] [stdout] 252 |     fn load_cart(&mut self, rom: Vec<u8>) {
[INFO] [stdout]     |                             ^^^ help: if this is intentional, prefix it with an underscore: `_rom`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/mbc.rs:270:20
[INFO] [stdout]     |
[INFO] [stdout] 270 |     fn read(&self, addr: u16) -> u8 {
[INFO] [stdout]     |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/mbc.rs:274:25
[INFO] [stdout]     |
[INFO] [stdout] 274 |     fn write(&mut self, addr: u16, v: u8) {
[INFO] [stdout]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/mbc.rs:274:36
[INFO] [stdout]     |
[INFO] [stdout] 274 |     fn write(&mut self, addr: u16, v: u8) {
[INFO] [stdout]     |                                    ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rom`
[INFO] [stdout]    --> src/mbc.rs:278:29
[INFO] [stdout]     |
[INFO] [stdout] 278 |     fn load_cart(&mut self, rom: Vec<u8>) {
[INFO] [stdout]     |                             ^^^ help: if this is intentional, prefix it with an underscore: `_rom`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/mbc.rs:296:20
[INFO] [stdout]     |
[INFO] [stdout] 296 |     fn read(&self, addr: u16) -> u8 {
[INFO] [stdout]     |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/mbc.rs:300:25
[INFO] [stdout]     |
[INFO] [stdout] 300 |     fn write(&mut self, addr: u16, v: u8) {
[INFO] [stdout]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/mbc.rs:300:36
[INFO] [stdout]     |
[INFO] [stdout] 300 |     fn write(&mut self, addr: u16, v: u8) {
[INFO] [stdout]     |                                    ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rom`
[INFO] [stdout]    --> src/mbc.rs:304:29
[INFO] [stdout]     |
[INFO] [stdout] 304 |     fn load_cart(&mut self, rom: Vec<u8>) {
[INFO] [stdout]     |                             ^^^ help: if this is intentional, prefix it with an underscore: `_rom`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/mbc.rs:322:20
[INFO] [stdout]     |
[INFO] [stdout] 322 |     fn read(&self, addr: u16) -> u8 {
[INFO] [stdout]     |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/mbc.rs:326:25
[INFO] [stdout]     |
[INFO] [stdout] 326 |     fn write(&mut self, addr: u16, v: u8) {
[INFO] [stdout]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/mbc.rs:326:36
[INFO] [stdout]     |
[INFO] [stdout] 326 |     fn write(&mut self, addr: u16, v: u8) {
[INFO] [stdout]     |                                    ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rom`
[INFO] [stdout]    --> src/mbc.rs:330:29
[INFO] [stdout]     |
[INFO] [stdout] 330 |     fn load_cart(&mut self, rom: Vec<u8>) {
[INFO] [stdout]     |                             ^^^ help: if this is intentional, prefix it with an underscore: `_rom`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/mbc.rs:348:20
[INFO] [stdout]     |
[INFO] [stdout] 348 |     fn read(&self, addr: u16) -> u8 {
[INFO] [stdout]     |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/mbc.rs:352:25
[INFO] [stdout]     |
[INFO] [stdout] 352 |     fn write(&mut self, addr: u16, v: u8) {
[INFO] [stdout]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/mbc.rs:352:36
[INFO] [stdout]     |
[INFO] [stdout] 352 |     fn write(&mut self, addr: u16, v: u8) {
[INFO] [stdout]     |                                    ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rom`
[INFO] [stdout]    --> src/mbc.rs:356:29
[INFO] [stdout]     |
[INFO] [stdout] 356 |     fn load_cart(&mut self, rom: Vec<u8>) {
[INFO] [stdout]     |                             ^^^ help: if this is intentional, prefix it with an underscore: `_rom`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/mbc.rs:374:20
[INFO] [stdout]     |
[INFO] [stdout] 374 |     fn read(&self, addr: u16) -> u8 {
[INFO] [stdout]     |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/mbc.rs:378:25
[INFO] [stdout]     |
[INFO] [stdout] 378 |     fn write(&mut self, addr: u16, v: u8) {
[INFO] [stdout]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/mbc.rs:378:36
[INFO] [stdout]     |
[INFO] [stdout] 378 |     fn write(&mut self, addr: u16, v: u8) {
[INFO] [stdout]     |                                    ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rom`
[INFO] [stdout]    --> src/mbc.rs:382:29
[INFO] [stdout]     |
[INFO] [stdout] 382 |     fn load_cart(&mut self, rom: Vec<u8>) {
[INFO] [stdout]     |                             ^^^ help: if this is intentional, prefix it with an underscore: `_rom`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/mbc.rs:400:20
[INFO] [stdout]     |
[INFO] [stdout] 400 |     fn read(&self, addr: u16) -> u8 {
[INFO] [stdout]     |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/mbc.rs:404:25
[INFO] [stdout]     |
[INFO] [stdout] 404 |     fn write(&mut self, addr: u16, v: u8) {
[INFO] [stdout]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/mbc.rs:404:36
[INFO] [stdout]     |
[INFO] [stdout] 404 |     fn write(&mut self, addr: u16, v: u8) {
[INFO] [stdout]     |                                    ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rom`
[INFO] [stdout]    --> src/mbc.rs:408:29
[INFO] [stdout]     |
[INFO] [stdout] 408 |     fn load_cart(&mut self, rom: Vec<u8>) {
[INFO] [stdout]     |                             ^^^ help: if this is intentional, prefix it with an underscore: `_rom`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/mbc.rs:422:20
[INFO] [stdout]     |
[INFO] [stdout] 422 |     fn read(&self, addr: u16) -> u8 {
[INFO] [stdout]     |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/mbc.rs:426:25
[INFO] [stdout]     |
[INFO] [stdout] 426 |     fn write(&mut self, addr: u16, v: u8) {
[INFO] [stdout]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/mbc.rs:426:36
[INFO] [stdout]     |
[INFO] [stdout] 426 |     fn write(&mut self, addr: u16, v: u8) {
[INFO] [stdout]     |                                    ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rom`
[INFO] [stdout]    --> src/mbc.rs:430:29
[INFO] [stdout]     |
[INFO] [stdout] 430 |     fn load_cart(&mut self, rom: Vec<u8>) {
[INFO] [stdout]     |                             ^^^ help: if this is intentional, prefix it with an underscore: `_rom`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `ppu_enabled` and `get_obj_enabled` are never used
[INFO] [stdout]    --> src/ppu.rs:600:8
[INFO] [stdout]     |
[INFO] [stdout] 597 | trait FetcherHelpers {
[INFO] [stdout]     |       -------------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 600 |     fn ppu_enabled(&self, mem: &Mem) -> bool;
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 606 |     fn get_obj_enabled(&self, mem: &Mem) -> bool;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DIV_TICK` is never used
[INFO] [stdout]   --> src/io.rs:78:7
[INFO] [stdout]    |
[INFO] [stdout] 78 | const DIV_TICK: u32 = 16384;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FREQUENCY` is never used
[INFO] [stdout]   --> src/io.rs:90:7
[INFO] [stdout]    |
[INFO] [stdout] 90 | const FREQUENCY: u32 = 4_194_304;
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `features` is never read
[INFO] [stdout]   --> src/mbc.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct MBCProperties {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     features: Vec<Hardware>
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `properties` is never read
[INFO] [stdout]    --> src/mbc.rs:232:5
[INFO] [stdout]     |
[INFO] [stdout] 231 | pub struct MBC2 {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] 232 |     properties: MBCProperties,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `properties` is never read
[INFO] [stdout]    --> src/mbc.rs:258:5
[INFO] [stdout]     |
[INFO] [stdout] 257 | pub struct MBC3 {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] 258 |     properties: MBCProperties
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `properties` is never read
[INFO] [stdout]    --> src/mbc.rs:284:5
[INFO] [stdout]     |
[INFO] [stdout] 283 | pub struct MBC4 {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] 284 |     properties: MBCProperties
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `properties` is never read
[INFO] [stdout]    --> src/mbc.rs:310:5
[INFO] [stdout]     |
[INFO] [stdout] 309 | pub struct MBC5 {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] 310 |     properties: MBCProperties
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `properties` is never read
[INFO] [stdout]    --> src/mbc.rs:336:5
[INFO] [stdout]     |
[INFO] [stdout] 335 | pub struct MBC6 {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] 336 |     properties: MBCProperties
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `properties` is never read
[INFO] [stdout]    --> src/mbc.rs:362:5
[INFO] [stdout]     |
[INFO] [stdout] 361 | pub struct MBC7 {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] 362 |     properties: MBCProperties
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `properties` is never read
[INFO] [stdout]    --> src/mbc.rs:388:5
[INFO] [stdout]     |
[INFO] [stdout] 387 | pub struct MMM01 {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] 388 |     properties: MBCProperties
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SAMPLE_RATE` is never used
[INFO] [stdout]  --> src/apu.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const SAMPLE_RATE: usize = 44100;
[INFO] [stdout]   |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `buffer_channel_1` is never used
[INFO] [stdout]   --> src/apu.rs:76:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl APU {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 76 |     fn buffer_channel_1(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `LCDControl` should have a snake case name
[INFO] [stdout]   --> src/mem.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     LCDControl: u8,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to snake case: `lcdcontrol`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `LCDStatus` should have a snake case name
[INFO] [stdout]   --> src/mem.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     LCDStatus: u8,
[INFO] [stdout]    |     ^^^^^^^^^ help: convert the identifier to snake case: `lcdstatus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `AF` should have a snake case name
[INFO] [stdout]   --> src/cpu.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub AF: u16, 
[INFO] [stdout]    |         ^^ help: convert the identifier to snake case: `af`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `BC` should have a snake case name
[INFO] [stdout]   --> src/cpu.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub BC: u16, 
[INFO] [stdout]    |         ^^ help: convert the identifier to snake case: `bc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `DE` should have a snake case name
[INFO] [stdout]   --> src/cpu.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub DE: u16, 
[INFO] [stdout]    |         ^^ help: convert the identifier to snake case: `de`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `HL` should have a snake case name
[INFO] [stdout]   --> src/cpu.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub HL: u16, 
[INFO] [stdout]    |         ^^ help: convert the identifier to snake case: `hl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `SP` should have a snake case name
[INFO] [stdout]   --> src/cpu.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub SP: u16, 
[INFO] [stdout]    |         ^^ help: convert the identifier to snake case: `sp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `PC` should have a snake case name
[INFO] [stdout]   --> src/cpu.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub PC: u16,
[INFO] [stdout]    |         ^^ help: convert the identifier to snake case: `pc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `AF` should have a snake case name
[INFO] [stdout]   --> src/cpu.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub AF: u16, 
[INFO] [stdout]    |         ^^ help: convert the identifier to snake case: `af`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `BC` should have a snake case name
[INFO] [stdout]   --> src/cpu.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub BC: u16, 
[INFO] [stdout]    |         ^^ help: convert the identifier to snake case: `bc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `DE` should have a snake case name
[INFO] [stdout]   --> src/cpu.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub DE: u16, 
[INFO] [stdout]    |         ^^ help: convert the identifier to snake case: `de`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `HL` should have a snake case name
[INFO] [stdout]   --> src/cpu.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub HL: u16, 
[INFO] [stdout]    |         ^^ help: convert the identifier to snake case: `hl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `SP` should have a snake case name
[INFO] [stdout]   --> src/cpu.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub SP: u16, 
[INFO] [stdout]    |         ^^ help: convert the identifier to snake case: `sp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `PC` should have a snake case name
[INFO] [stdout]   --> src/cpu.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub PC: u16,
[INFO] [stdout]    |         ^^ help: convert the identifier to snake case: `pc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `SB` should have a snake case name
[INFO] [stdout]  --> src/io.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     SB: u8,
[INFO] [stdout]   |     ^^ help: convert the identifier to snake case: `sb`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `SC` should have a snake case name
[INFO] [stdout]   --> src/io.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     SC: u8,
[INFO] [stdout]    |     ^^ help: convert the identifier to snake case (notice the capitalization): `sc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `DIV` should have a snake case name
[INFO] [stdout]   --> src/io.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub DIV: u16,
[INFO] [stdout]    |         ^^^ help: convert the identifier to snake case: `div`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `TIMA` should have a snake case name
[INFO] [stdout]   --> src/io.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub TIMA: u8,
[INFO] [stdout]    |         ^^^^ help: convert the identifier to snake case: `tima`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `TMA` should have a snake case name
[INFO] [stdout]   --> src/io.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub TMA: u8,
[INFO] [stdout]    |         ^^^ help: convert the identifier to snake case: `tma`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `TAC` should have a snake case name
[INFO] [stdout]   --> src/io.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub TAC: u8,
[INFO] [stdout]    |         ^^^ help: convert the identifier to snake case: `tac`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `NR50` should have a snake case name
[INFO] [stdout]   --> src/apu.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     NR50: u8,
[INFO] [stdout]    |     ^^^^ help: convert the identifier to snake case: `nr50`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `NR51` should have a snake case name
[INFO] [stdout]   --> src/apu.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     NR51: u8,
[INFO] [stdout]    |     ^^^^ help: convert the identifier to snake case: `nr51`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `NR52` should have a snake case name
[INFO] [stdout]   --> src/apu.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     NR52: u8,
[INFO] [stdout]    |     ^^^^ help: convert the identifier to snake case: `nr52`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 77 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `assert` is never used
[INFO] [stdout]  --> tests/cpu_assert.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait EmuTester {
[INFO] [stdout]   |           --------- method in this trait
[INFO] [stdout] 5 |     fn assert(self) -> Assert;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `tick_cpu` and `tick_till_done` are never used
[INFO] [stdout]   --> tests/cpu_assert.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub trait EmuTestHelpers {
[INFO] [stdout]    |           -------------- methods in this trait
[INFO] [stdout] 16 |     fn tick_cpu(&mut self, times: u16);
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 17 |     fn tick_till_done(&mut self);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/cpu_assert.rs:36:10
[INFO] [stdout]    |
[INFO] [stdout] 36 |     Half(HalfReg),
[INFO] [stdout]    |     ---- ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 36 |     Half(()),
[INFO] [stdout]    |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/cpu_assert.rs:37:10
[INFO] [stdout]    |
[INFO] [stdout] 37 |     Full(Reg)
[INFO] [stdout]    |     ---- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 37 |     Full(())
[INFO] [stdout]    |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/cpu_assert.rs:53:10
[INFO] [stdout]    |
[INFO] [stdout] 53 |     Half(u8),
[INFO] [stdout]    |     ---- ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 53 |     Half(()),
[INFO] [stdout]    |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/cpu_assert.rs:54:10
[INFO] [stdout]    |
[INFO] [stdout] 54 |     Full(u16)
[INFO] [stdout]    |     ---- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 54 |     Full(())
[INFO] [stdout]    |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Mem`, `Flag`, and `Reg` are never constructed
[INFO] [stdout]   --> tests/cpu_assert.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 69 | enum LastCompared {
[INFO] [stdout]    |      ------------ variants in this enum
[INFO] [stdout] 70 |     Mem,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 71 |     Flag,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 72 |     Reg,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `emu`, `last_value`, and `last_compared` are never read
[INFO] [stdout]   --> tests/cpu_assert.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub struct Assert {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 77 |     emu: Emu,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 78 |     last_value: CompValue,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 79 |     last_compared: LastCompared
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/cpu_assert.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |     U16(u16),
[INFO] [stdout]    |     --- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 83 |     U16(()),
[INFO] [stdout]    |         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/cpu_assert.rs:84:10
[INFO] [stdout]    |
[INFO] [stdout] 84 |     Bool(bool),
[INFO] [stdout]    |     ---- ^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 84 |     Bool(()),
[INFO] [stdout]    |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/cpu_assert.rs:85:8
[INFO] [stdout]    |
[INFO] [stdout] 85 |     U8(u8),
[INFO] [stdout]    |     -- ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 85 |     U8(()),
[INFO] [stdout]    |        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `mem`, `flag`, `reg`, and `equals` are never used
[INFO] [stdout]    --> tests/cpu_assert.rs:116:12
[INFO] [stdout]     |
[INFO] [stdout] 107 | impl Assert {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 116 |     pub fn mem(&mut self, addr: u16) {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 122 |     pub fn flag(&mut self, f: Flag) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 128 |     pub fn reg<R>(&mut self, r: R) where R: Into<Register>{
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 138 |     pub fn equals<T>(&self, given: T) where T: Into<CompValue> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `assert` is never used
[INFO] [stdout]  --> tests/cpu_assert.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait EmuTester {
[INFO] [stdout]   |           --------- method in this trait
[INFO] [stdout] 5 |     fn assert(self) -> Assert;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `tick_cpu` and `tick_till_done` are never used
[INFO] [stdout]   --> tests/cpu_assert.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub trait EmuTestHelpers {
[INFO] [stdout]    |           -------------- methods in this trait
[INFO] [stdout] 16 |     fn tick_cpu(&mut self, times: u16);
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 17 |     fn tick_till_done(&mut self);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `tick_cpu` is never used
[INFO] [stdout]   --> tests/cpu_assert.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub trait EmuTestHelpers {
[INFO] [stdout]    |           -------------- method in this trait
[INFO] [stdout] 16 |     fn tick_cpu(&mut self, times: u16);
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/cpu_assert.rs:36:10
[INFO] [stdout]    |
[INFO] [stdout] 36 |     Half(HalfReg),
[INFO] [stdout]    |     ---- ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 36 |     Half(()),
[INFO] [stdout]    |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/cpu_assert.rs:37:10
[INFO] [stdout]    |
[INFO] [stdout] 37 |     Full(Reg)
[INFO] [stdout]    |     ---- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 37 |     Full(())
[INFO] [stdout]    |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/cpu_assert.rs:53:10
[INFO] [stdout]    |
[INFO] [stdout] 53 |     Half(u8),
[INFO] [stdout]    |     ---- ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 53 |     Half(()),
[INFO] [stdout]    |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/cpu_assert.rs:53:10
[INFO] [stdout]    |
[INFO] [stdout] 53 |     Half(u8),
[INFO] [stdout]    |     ---- ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 53 |     Half(()),
[INFO] [stdout]    |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/cpu_assert.rs:54:10
[INFO] [stdout]    |
[INFO] [stdout] 54 |     Full(u16)
[INFO] [stdout]    |     ---- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 54 |     Full(())
[INFO] [stdout]    |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/cpu_assert.rs:54:10
[INFO] [stdout]    |
[INFO] [stdout] 54 |     Full(u16)
[INFO] [stdout]    |     ---- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 54 |     Full(())
[INFO] [stdout]    |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Mem`, `Flag`, and `Reg` are never constructed
[INFO] [stdout]   --> tests/cpu_assert.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 69 | enum LastCompared {
[INFO] [stdout]    |      ------------ variants in this enum
[INFO] [stdout] 70 |     Mem,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 71 |     Flag,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 72 |     Reg,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `emu`, `last_value`, and `last_compared` are never read
[INFO] [stdout]   --> tests/cpu_assert.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub struct Assert {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 77 |     emu: Emu,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 78 |     last_value: CompValue,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 79 |     last_compared: LastCompared
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/cpu_assert.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |     U16(u16),
[INFO] [stdout]    |     --- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 83 |     U16(()),
[INFO] [stdout]    |         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/cpu_assert.rs:84:10
[INFO] [stdout]    |
[INFO] [stdout] 84 |     Bool(bool),
[INFO] [stdout]    |     ---- ^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 84 |     Bool(()),
[INFO] [stdout]    |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/cpu_assert.rs:85:8
[INFO] [stdout]    |
[INFO] [stdout] 85 |     U8(u8),
[INFO] [stdout]    |     -- ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 85 |     U8(()),
[INFO] [stdout]    |        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `mem`, `flag`, `reg`, and `equals` are never used
[INFO] [stdout]    --> tests/cpu_assert.rs:116:12
[INFO] [stdout]     |
[INFO] [stdout] 107 | impl Assert {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 116 |     pub fn mem(&mut self, addr: u16) {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 122 |     pub fn flag(&mut self, f: Flag) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 128 |     pub fn reg<R>(&mut self, r: R) where R: Into<Register>{
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 138 |     pub fn equals<T>(&self, given: T) where T: Into<CompValue> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.13s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.74
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "f0699ac14efa9e0196991419e95520ba89228d195654e45c7f8bc72eb20a668a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0699ac14efa9e0196991419e95520ba89228d195654e45c7f8bc72eb20a668a", kill_on_drop: false }`
[INFO] [stdout] f0699ac14efa9e0196991419e95520ba89228d195654e45c7f8bc72eb20a668a