[INFO] cloning repository https://github.com/jagrinberg/nes_em
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jagrinberg/nes_em" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjagrinberg%2Fnes_em", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjagrinberg%2Fnes_em'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 35e168a239001592a37fd28b50830df200adacf4
[INFO] checking jagrinberg/nes_em against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjagrinberg%2Fnes_em" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jagrinberg/nes_em
[INFO] finished tweaking git repo https://github.com/jagrinberg/nes_em
[INFO] tweaked toml for git repo https://github.com/jagrinberg/nes_em written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jagrinberg/nes_em on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jagrinberg/nes_em 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7617b9e740bb0ae12b8fbd3311c696f670edb00a0647c3f0ef719539fbec7193
[INFO] running `Command { std: "docker" "start" "-a" "7617b9e740bb0ae12b8fbd3311c696f670edb00a0647c3f0ef719539fbec7193", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7617b9e740bb0ae12b8fbd3311c696f670edb00a0647c3f0ef719539fbec7193", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7617b9e740bb0ae12b8fbd3311c696f670edb00a0647c3f0ef719539fbec7193", kill_on_drop: false }`
[INFO] [stdout] 7617b9e740bb0ae12b8fbd3311c696f670edb00a0647c3f0ef719539fbec7193
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90191fb7105ffb03582383d5604d1041c535650abd227846b30d7fefcb9b9bf5
[INFO] running `Command { std: "docker" "start" "-a" "90191fb7105ffb03582383d5604d1041c535650abd227846b30d7fefcb9b9bf5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling sdl2 v0.34.5
[INFO] [stderr]    Compiling sdl2-sys v0.34.5
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking nes_em v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/cpu.rs:219:26
[INFO] [stdout]     |
[INFO] [stdout] 219 |                 "NOP" => (0),
[INFO] [stdout]     |                          ^ ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 219 -                 "NOP" => (0),
[INFO] [stdout] 219 +                 "NOP" => 0 ,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/bus.rs:2:29
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::joypad::{Joypad, self};
[INFO] [stdout]   |                             ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `FOUR_SCREEN` should have an upper camel case name
[INFO] [stdout]  --> src/rom.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     FOUR_SCREEN,
[INFO] [stdout]   |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `FourScreen`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/render.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread::sleep`
[INFO] [stdout]  --> src/render.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::thread::sleep;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/render.rs:6:38
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::palette::{SYSTEM_PALLETE, self};
[INFO] [stdout]   |                                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::panic`
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use core::panic;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use std::fs::File;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]   --> src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use std::io::Write;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Add`
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use std::ops::Add;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cpu::AddressingMode`
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | use cpu::AddressingMode;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `show_tile`
[INFO] [stdout]   --> src/main.rs:28:20
[INFO] [stdout]    |
[INFO] [stdout] 28 | use frame::{Frame, show_tile};
[INFO] [stdout]    |                    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]   --> src/main.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | use rand::Rng;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::pixels::Palette`
[INFO] [stdout]   --> src/main.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | use sdl2::pixels::Palette;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::rect::Rect`
[INFO] [stdout]   --> src/main.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | use sdl2::rect::Rect;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/cpu.rs:219:26
[INFO] [stdout]     |
[INFO] [stdout] 219 |                 "NOP" => (0),
[INFO] [stdout]     |                          ^ ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 219 -                 "NOP" => (0),
[INFO] [stdout] 219 +                 "NOP" => 0 ,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/bus.rs:2:29
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::joypad::{Joypad, self};
[INFO] [stdout]   |                             ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `FOUR_SCREEN` should have an upper camel case name
[INFO] [stdout]  --> src/rom.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     FOUR_SCREEN,
[INFO] [stdout]   |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `FourScreen`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/render.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread::sleep`
[INFO] [stdout]  --> src/render.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::thread::sleep;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/render.rs:6:38
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::palette::{SYSTEM_PALLETE, self};
[INFO] [stdout]   |                                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::panic`
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use core::panic;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use std::fs::File;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]   --> src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use std::io::Write;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Add`
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use std::ops::Add;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cpu::AddressingMode`
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | use cpu::AddressingMode;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `show_tile`
[INFO] [stdout]   --> src/main.rs:28:20
[INFO] [stdout]    |
[INFO] [stdout] 28 | use frame::{Frame, show_tile};
[INFO] [stdout]    |                    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]   --> src/main.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | use rand::Rng;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::pixels::Palette`
[INFO] [stdout]   --> src/main.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | use sdl2::pixels::Palette;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::rect::Rect`
[INFO] [stdout]   --> src/main.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | use sdl2::rect::Rect;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:131:9
[INFO] [stdout]     |
[INFO] [stdout] 131 |     let mut f = OpenOptions::new()
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cpu`
[INFO] [stdout]    --> src/main.rs:138:28
[INFO] [stdout]     |
[INFO] [stdout] 138 |     cpu.run_with_callback(|cpu| {
[INFO] [stdout]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/main.rs:131:9
[INFO] [stdout]     |
[INFO] [stdout] 131 |     let mut f = OpenOptions::new()
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:131:9
[INFO] [stdout]     |
[INFO] [stdout] 131 |     let mut f = OpenOptions::new()
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cpu`
[INFO] [stdout]    --> src/main.rs:138:28
[INFO] [stdout]     |
[INFO] [stdout] 138 |     cpu.run_with_callback(|cpu| {
[INFO] [stdout]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/main.rs:131:9
[INFO] [stdout]     |
[INFO] [stdout] 131 |     let mut f = OpenOptions::new()
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_screen_state` is never used
[INFO] [stdout]    --> src/main.rs:144:4
[INFO] [stdout]     |
[INFO] [stdout] 144 | fn read_screen_state(cpu: &mut CPU, frame: &mut [u8; 32 * 3 * 32]) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `color` is never used
[INFO] [stdout]    --> src/main.rs:161:4
[INFO] [stdout]     |
[INFO] [stdout] 161 | fn color(byte: u8) -> Color {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_user_input` is never used
[INFO] [stdout]    --> src/main.rs:175:4
[INFO] [stdout]     |
[INFO] [stdout] 175 | fn handle_user_input(cpu: &mut CPU, event_pump: &mut EventPump) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `trace` is never used
[INFO] [stdout]    --> src/main.rs:202:4
[INFO] [stdout]     |
[INFO] [stdout] 202 | fn trace(cpu: &mut CPU) -> String {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PPU_REGISTERS` is never used
[INFO] [stdout]   --> src/bus.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 | const PPU_REGISTERS: u16 = 0x2000;
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SPRITE_SIZE` is never used
[INFO] [stdout]    --> src/ppu.rs:279:7
[INFO] [stdout]     |
[INFO] [stdout] 279 | const SPRITE_SIZE: u8            = 0b00100000;
[INFO] [stdout]     |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MASTER_SLAVE_SELECT` is never used
[INFO] [stdout]    --> src/ppu.rs:280:7
[INFO] [stdout]     |
[INFO] [stdout] 280 | const MASTER_SLAVE_SELECT: u8    = 0b01000000;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `GREYSCALE` is never used
[INFO] [stdout]    --> src/ppu.rs:323:7
[INFO] [stdout]     |
[INFO] [stdout] 323 | const GREYSCALE: u8         = 0b00000001;
[INFO] [stdout]     |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BG_LEFT_SHOW` is never used
[INFO] [stdout]    --> src/ppu.rs:324:7
[INFO] [stdout]     |
[INFO] [stdout] 324 | const BG_LEFT_SHOW: u8      = 0b00000010;
[INFO] [stdout]     |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SPRITES_LEFT_SHOW` is never used
[INFO] [stdout]    --> src/ppu.rs:325:7
[INFO] [stdout]     |
[INFO] [stdout] 325 | const SPRITES_LEFT_SHOW: u8 = 0b00000100;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BG_SHOW` is never used
[INFO] [stdout]    --> src/ppu.rs:326:7
[INFO] [stdout]     |
[INFO] [stdout] 326 | const BG_SHOW: u8           = 0b00001000;
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `EMPH_RED` is never used
[INFO] [stdout]    --> src/ppu.rs:328:7
[INFO] [stdout]     |
[INFO] [stdout] 328 | const EMPH_RED: u8          = 0b00100000;
[INFO] [stdout]     |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `EMPH_GREEN` is never used
[INFO] [stdout]    --> src/ppu.rs:329:7
[INFO] [stdout]     |
[INFO] [stdout] 329 | const EMPH_GREEN: u8        = 0b01000000;
[INFO] [stdout]     |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `EMPH_BLUE` is never used
[INFO] [stdout]    --> src/ppu.rs:330:7
[INFO] [stdout]     |
[INFO] [stdout] 330 | const EMPH_BLUE: u8         = 0b10000000;
[INFO] [stdout]     |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SPRITE_OVERFLOW` is never used
[INFO] [stdout]    --> src/ppu.rs:353:7
[INFO] [stdout]     |
[INFO] [stdout] 353 | const SPRITE_OVERFLOW: u8 = 0b00100000;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_screen_state` is never used
[INFO] [stdout]    --> src/main.rs:144:4
[INFO] [stdout]     |
[INFO] [stdout] 144 | fn read_screen_state(cpu: &mut CPU, frame: &mut [u8; 32 * 3 * 32]) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `color` is never used
[INFO] [stdout]    --> src/main.rs:161:4
[INFO] [stdout]     |
[INFO] [stdout] 161 | fn color(byte: u8) -> Color {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_user_input` is never used
[INFO] [stdout]    --> src/main.rs:175:4
[INFO] [stdout]     |
[INFO] [stdout] 175 | fn handle_user_input(cpu: &mut CPU, event_pump: &mut EventPump) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `trace` is never used
[INFO] [stdout]    --> src/main.rs:202:4
[INFO] [stdout]     |
[INFO] [stdout] 202 | fn trace(cpu: &mut CPU) -> String {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PPU_REGISTERS` is never used
[INFO] [stdout]   --> src/bus.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 | const PPU_REGISTERS: u16 = 0x2000;
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SPRITE_SIZE` is never used
[INFO] [stdout]    --> src/ppu.rs:279:7
[INFO] [stdout]     |
[INFO] [stdout] 279 | const SPRITE_SIZE: u8            = 0b00100000;
[INFO] [stdout]     |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MASTER_SLAVE_SELECT` is never used
[INFO] [stdout]    --> src/ppu.rs:280:7
[INFO] [stdout]     |
[INFO] [stdout] 280 | const MASTER_SLAVE_SELECT: u8    = 0b01000000;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `GREYSCALE` is never used
[INFO] [stdout]    --> src/ppu.rs:323:7
[INFO] [stdout]     |
[INFO] [stdout] 323 | const GREYSCALE: u8         = 0b00000001;
[INFO] [stdout]     |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BG_LEFT_SHOW` is never used
[INFO] [stdout]    --> src/ppu.rs:324:7
[INFO] [stdout]     |
[INFO] [stdout] 324 | const BG_LEFT_SHOW: u8      = 0b00000010;
[INFO] [stdout]     |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SPRITES_LEFT_SHOW` is never used
[INFO] [stdout]    --> src/ppu.rs:325:7
[INFO] [stdout]     |
[INFO] [stdout] 325 | const SPRITES_LEFT_SHOW: u8 = 0b00000100;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BG_SHOW` is never used
[INFO] [stdout]    --> src/ppu.rs:326:7
[INFO] [stdout]     |
[INFO] [stdout] 326 | const BG_SHOW: u8           = 0b00001000;
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `EMPH_RED` is never used
[INFO] [stdout]    --> src/ppu.rs:328:7
[INFO] [stdout]     |
[INFO] [stdout] 328 | const EMPH_RED: u8          = 0b00100000;
[INFO] [stdout]     |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `EMPH_GREEN` is never used
[INFO] [stdout]    --> src/ppu.rs:329:7
[INFO] [stdout]     |
[INFO] [stdout] 329 | const EMPH_GREEN: u8        = 0b01000000;
[INFO] [stdout]     |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `EMPH_BLUE` is never used
[INFO] [stdout]    --> src/ppu.rs:330:7
[INFO] [stdout]     |
[INFO] [stdout] 330 | const EMPH_BLUE: u8         = 0b10000000;
[INFO] [stdout]     |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SPRITE_OVERFLOW` is never used
[INFO] [stdout]    --> src/ppu.rs:353:7
[INFO] [stdout]     |
[INFO] [stdout] 353 | const SPRITE_OVERFLOW: u8 = 0b00100000;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.66s
[INFO] running `Command { std: "docker" "inspect" "90191fb7105ffb03582383d5604d1041c535650abd227846b30d7fefcb9b9bf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90191fb7105ffb03582383d5604d1041c535650abd227846b30d7fefcb9b9bf5", kill_on_drop: false }`
[INFO] [stdout] 90191fb7105ffb03582383d5604d1041c535650abd227846b30d7fefcb9b9bf5
