[INFO] cloning repository https://github.com/fdb/emunes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fdb/emunes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffdb%2Femunes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffdb%2Femunes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 103512664ebd291df6830f10cee2681002ae98a0
[INFO] testing fdb/emunes against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffdb%2Femunes" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fdb/emunes on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fdb/emunes
[INFO] finished tweaking git repo https://github.com/fdb/emunes
[INFO] tweaked toml for git repo https://github.com/fdb/emunes written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/fdb/emunes already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 38aa811b217831e8f2aeab58ff24e9675401f322a7ee2f59c5a130f440273e98
[INFO] running `Command { std: "docker" "start" "-a" "38aa811b217831e8f2aeab58ff24e9675401f322a7ee2f59c5a130f440273e98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38aa811b217831e8f2aeab58ff24e9675401f322a7ee2f59c5a130f440273e98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38aa811b217831e8f2aeab58ff24e9675401f322a7ee2f59c5a130f440273e98", kill_on_drop: false }`
[INFO] [stdout] 38aa811b217831e8f2aeab58ff24e9675401f322a7ee2f59c5a130f440273e98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3dd5c715597d6900197d35f7835a3fa8b07cf756e95fe3a1f8d880bc8b2d6191
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3dd5c715597d6900197d35f7835a3fa8b07cf756e95fe3a1f8d880bc8b2d6191", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.1.42
[INFO] [stderr]    Compiling libc v0.2.36
[INFO] [stderr]    Compiling bitflags v1.0.1
[INFO] [stderr]    Compiling sdl2-sys v0.31.0
[INFO] [stderr]    Compiling rand v0.3.20
[INFO] [stderr]    Compiling num-integer v0.1.35
[INFO] [stderr]    Compiling num-iter v0.1.34
[INFO] [stderr]    Compiling num v0.1.41
[INFO] [stderr]    Compiling sdl2 v0.31.0
[INFO] [stderr]    Compiling emunes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cpu.rs:89:1
[INFO] [stdout]     |
[INFO] [stdout] 89  | / bitflags! {
[INFO] [stdout] 90  | |     #[derive(Default)]
[INFO] [stdout] 91  | |     pub struct Flags: u8 {
[INFO] [stdout] 92  | |         const CARRY             = 1 << 0;
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |     }
[INFO] [stdout] 101 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cpu.rs:89:1
[INFO] [stdout]     |
[INFO] [stdout] 89  | / bitflags! {
[INFO] [stdout] 90  | |     #[derive(Default)]
[INFO] [stdout] 91  | |     pub struct Flags: u8 {
[INFO] [stdout] 92  | |         const CARRY             = 1 << 0;
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |     }
[INFO] [stdout] 101 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cpu.rs:89:1
[INFO] [stdout]     |
[INFO] [stdout] 89  | / bitflags! {
[INFO] [stdout] 90  | |     #[derive(Default)]
[INFO] [stdout] 91  | |     pub struct Flags: u8 {
[INFO] [stdout] 92  | |         const CARRY             = 1 << 0;
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |     }
[INFO] [stdout] 101 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::render::TextureQuery`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use sdl2::render::TextureQuery;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/cpu.rs:203:47
[INFO] [stdout]     |
[INFO] [stdout] 203 |                 let address = bus.read_16_bug((bus.read(self.pc + 1) as u16))
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/cpu.rs:218:17
[INFO] [stdout]     |
[INFO] [stdout] 218 |                 ((bus.read(self.pc + 1) as u16).wrapping_add(self.x as u16) & 0xFF as u16)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/cpu.rs:221:17
[INFO] [stdout]     |
[INFO] [stdout] 221 |                 ((bus.read(self.pc + 1) as u16).wrapping_add(self.y as u16) & 0xFF as u16)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/bus.rs:33:19
[INFO] [stdout]    |
[INFO] [stdout] 33 |             0x0000...0x1FFF => self.ram[(address % 0x2000) as usize],
[INFO] [stdout]    |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/bus.rs:34:19
[INFO] [stdout]    |
[INFO] [stdout] 34 |             0x2000...0x3FFF => 0xCC, // TODO: self.ppu.read_register(0x2000 + address % 8)
[INFO] [stdout]    |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/bus.rs:35:19
[INFO] [stdout]    |
[INFO] [stdout] 35 |             0x4000...0x4013 => 0xFF, // TODO: read from APU registers
[INFO] [stdout]    |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/bus.rs:40:19
[INFO] [stdout]    |
[INFO] [stdout] 40 |             0x4018...0x5FFF => 0xFF, // TODO: I/O registers
[INFO] [stdout]    |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/bus.rs:41:19
[INFO] [stdout]    |
[INFO] [stdout] 41 |             0x6000...0xFFFF => self.mapper_read(address),
[INFO] [stdout]    |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/bus.rs:59:19
[INFO] [stdout]    |
[INFO] [stdout] 59 |             0x0000...0x1FFF => self.ram[(address % 2048) as usize] = value,
[INFO] [stdout]    |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/bus.rs:60:19
[INFO] [stdout]    |
[INFO] [stdout] 60 |             0x4000...0x4013 | 0x4015 => {
[INFO] [stdout]    |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/bus.rs:69:19
[INFO] [stdout]    |
[INFO] [stdout] 69 |             0x0000...0x2000 => self.cartridge.chr[address as usize],
[INFO] [stdout]    |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/bus.rs:70:19
[INFO] [stdout]    |
[INFO] [stdout] 70 |             0x6000...0x7FFF => 0xCC, // TODO: self.cartridge.sram[address - 0x6000]
[INFO] [stdout]    |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/bus.rs:71:19
[INFO] [stdout]    |
[INFO] [stdout] 71 |             0x8000...0xBFFF => self.cartridge.prg[(address - 0x8000) as usize],
[INFO] [stdout]    |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/bus.rs:72:19
[INFO] [stdout]    |
[INFO] [stdout] 72 |             0xC000...0xFFFF => self.cartridge.prg[(address - 0xC000) as usize],
[INFO] [stdout]    |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/bus.rs:80:19
[INFO] [stdout]    |
[INFO] [stdout] 80 |             0x0000...0x1FFF => self.mapper_read(address),
[INFO] [stdout]    |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/bus.rs:81:19
[INFO] [stdout]    |
[INFO] [stdout] 81 |             0x2000...0x3F00 => {
[INFO] [stdout]    |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/bus.rs:86:19
[INFO] [stdout]    |
[INFO] [stdout] 86 |             0x3F00...0x4000 => self.ppu_palette[(address % 32) as usize],
[INFO] [stdout]    |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/main.rs:112:19
[INFO] [stdout]     |
[INFO] [stdout] 112 |             0x0000...0x2000 => self.cartridge.chr[address as usize],
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/main.rs:113:19
[INFO] [stdout]     |
[INFO] [stdout] 113 |             0x2001...0xC000 => self.cartridge.prg[address as usize],
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/main.rs:120:19
[INFO] [stdout]     |
[INFO] [stdout] 120 |             0x0000...0x2000 => self.cartridge.chr[address as usize] = value,
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/main.rs:121:19
[INFO] [stdout]     |
[INFO] [stdout] 121 |             0x2001...0xC000 => self.cartridge.prg[address as usize] = value,
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/bus.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |             _ => panic!("Invalid bus memory read at address {:04X}", address),
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple patterns covering the same range
[INFO] [stdout]   --> src/bus.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |             0x2000...0x3F00 => {
[INFO] [stdout]    |             --------------- this range overlaps on `16128_u16`
[INFO] [stdout] ...
[INFO] [stdout] 86 |             0x3F00...0x4000 => self.ppu_palette[(address % 32) as usize],
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^ overlapping patterns
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(overlapping_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buffer`
[INFO] [stdout]    --> src/main.rs:232:9
[INFO] [stdout]     |
[INFO] [stdout] 232 |     let mut buffer: Vec<u32> = vec![0; WINDOW_WIDTH * WINDOW_HEIGHT];
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b1`
[INFO] [stdout]    --> src/main.rs:245:21
[INFO] [stdout]     |
[INFO] [stdout] 245 |                 let b1 = (plane1 >> ((7 - ((x % 8) as u8)) as usize)) & 1;
[INFO] [stdout]     |                     ^^ help: if this is intentional, prefix it with an underscore: `_b1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `render_line`
[INFO] [stdout]    --> src/ppu.rs:122:13
[INFO] [stdout]     |
[INFO] [stdout] 122 |         let render_line = pre_line || visible_line;
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_render_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bus`
[INFO] [stdout]    --> src/ppu.rs:118:28
[INFO] [stdout]     |
[INFO] [stdout] 118 |     pub fn step(&mut self, bus: &mut Bus) {
[INFO] [stdout]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_bus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mode`
[INFO] [stdout]   --> src/bus.rs:82:21
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 let mode = self.cartridge.mirror_mode;
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_mode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bus`
[INFO] [stdout]   --> src/apu.rs:53:28
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn step(&mut self, bus: &mut Bus) {
[INFO] [stdout]    |                            ^^^ help: if this is intentional, prefix it with an underscore: `_bus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:232:9
[INFO] [stdout]     |
[INFO] [stdout] 232 |     let mut buffer: Vec<u32> = vec![0; WINDOW_WIDTH * WINDOW_HEIGHT];
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:314:9
[INFO] [stdout]     |
[INFO] [stdout] 314 |     let mut current_cps = 0;
[INFO] [stdout]     |         ----^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/cpu.rs:812:21
[INFO] [stdout]     |
[INFO] [stdout] 812 |                 let mut c: u8 = if self.flags.intersects(Flags::CARRY) {
[INFO] [stdout]     |                     ----^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `log_string`
[INFO] [stdout]   --> src/console.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn log_string(&mut self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `log_string`
[INFO] [stdout]    --> src/cpu.rs:246:12
[INFO] [stdout]     |
[INFO] [stdout] 246 |     pub fn log_string(&mut self, bus: &Bus) -> String {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `log`
[INFO] [stdout]    --> src/cpu.rs:325:12
[INFO] [stdout]     |
[INFO] [stdout] 325 |     pub fn log(&mut self, bus: &Bus) {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PALETTE`
[INFO] [stdout]   --> src/ppu.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | / const PALETTE: [u32; 64] = [
[INFO] [stdout] 4  | |     0x666666, 0x002A88, 0x1412A7, 0x3B00A4, 0x5C007E, 0x6E0040, 0x6C0600, 0x561D00, 0x333500,
[INFO] [stdout] 5  | |     0x0B4800, 0x005200, 0x004F08, 0x00404D, 0x000000, 0x000000, 0x000000, 0xADADAD, 0x155FD9,
[INFO] [stdout] 6  | |     0x4240FF, 0x7527FE, 0xA01ACC, 0xB71E7B, 0xB53120, 0x994E00, 0x6B6D00, 0x388700, 0x0C9300,
[INFO] [stdout] ...  |
[INFO] [stdout] 11 | |     0x000000,
[INFO] [stdout] 12 | | ];
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fetch_tile_data`
[INFO] [stdout]   --> src/ppu.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn fetch_tile_data(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `background_pixel`
[INFO] [stdout]   --> src/ppu.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn background_pixel(&mut self) -> u8 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sprite_pixel`
[INFO] [stdout]   --> src/ppu.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn sprite_pixel(&mut self) -> (u8, u8) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_palette`
[INFO] [stdout]   --> src/ppu.rs:86:12
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub fn read_palette(&self, address: u16) -> u8 {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `render_pixel`
[INFO] [stdout]   --> src/ppu.rs:95:12
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn render_pixel(&mut self, bus: &mut Bus) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ppu_read`
[INFO] [stdout]   --> src/bus.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn ppu_read(&self, address: u16) -> u8 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `AUDIO_BUFFER_SIZE`
[INFO] [stdout]  --> src/apu.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | const AUDIO_BUFFER_SIZE: u32 = 50 * 1024;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `LENGTH_TABLE`
[INFO] [stdout]  --> src/apu.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | / const LENGTH_TABLE: [u8; 32] = [
[INFO] [stdout] 5 | |     10, 254, 20, 2, 40, 4, 80, 6, 160, 8, 60, 10, 14, 12, 26, 14,
[INFO] [stdout] 6 | |     12, 16, 24, 18, 48, 20, 96, 22, 192, 24, 72, 26, 16, 28, 32, 30,
[INFO] [stdout] 7 | | ];
[INFO] [stdout]   | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `DUTY_TABLE`
[INFO] [stdout]   --> src/apu.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | / const DUTY_TABLE: [[u8; 8]; 4] = [
[INFO] [stdout] 9  | |     [0, 1, 0, 0, 0, 0, 0, 0],
[INFO] [stdout] 10 | |     [0, 1, 1, 0, 0, 0, 0, 0],
[INFO] [stdout] 11 | |     [0, 1, 1, 1, 1, 0, 0, 0],
[INFO] [stdout] 12 | |     [1, 0, 0, 1, 1, 1, 1, 1],
[INFO] [stdout] 13 | | ];
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `square_wave`
[INFO] [stdout]   --> src/apu.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn square_wave(&mut self, bus: &mut Bus, tone_hz: u32) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Pulse`
[INFO] [stdout]   --> src/apu.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub struct Pulse {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_control`
[INFO] [stdout]   --> src/apu.rs:86:12
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub fn write_control(&mut self, value: u8) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_sweep`
[INFO] [stdout]   --> src/apu.rs:96:12
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn write_sweep(&mut self, value: u8) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_timer_low`
[INFO] [stdout]    --> src/apu.rs:104:12
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub fn write_timer_low(&mut self, value: u8) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_timer_high`
[INFO] [stdout]    --> src/apu.rs:108:12
[INFO] [stdout]     |
[INFO] [stdout] 108 |     pub fn write_timer_high(&mut self, value: u8) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `step_timer`
[INFO] [stdout]    --> src/apu.rs:115:12
[INFO] [stdout]     |
[INFO] [stdout] 115 |     pub fn step_timer(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `step_envelope`
[INFO] [stdout]    --> src/apu.rs:124:12
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub fn step_envelope(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `step_sweep`
[INFO] [stdout]    --> src/apu.rs:141:12
[INFO] [stdout]     |
[INFO] [stdout] 141 |     pub fn step_sweep(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `step_length`
[INFO] [stdout]    --> src/apu.rs:158:12
[INFO] [stdout]     |
[INFO] [stdout] 158 |     pub fn step_length(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sweep`
[INFO] [stdout]    --> src/apu.rs:164:12
[INFO] [stdout]     |
[INFO] [stdout] 164 |     pub fn sweep(&mut self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `output`
[INFO] [stdout]    --> src/apu.rs:176:12
[INFO] [stdout]     |
[INFO] [stdout] 176 |     pub fn output(&mut self) -> u8 {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit code: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/emunes-81c0b0a742ca3fb0.emunes.6u7te842-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/emunes-81c0b0a742ca3fb0.emunes.6u7te842-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/emunes-81c0b0a742ca3fb0.emunes.6u7te842-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/emunes-81c0b0a742ca3fb0.emunes.6u7te842-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/emunes-81c0b0a742ca3fb0.emunes.6u7te842-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/emunes-81c0b0a742ca3fb0.emunes.6u7te842-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/emunes-81c0b0a742ca3fb0.emunes.6u7te842-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/emunes-81c0b0a742ca3fb0.emunes.6u7te842-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/emunes-81c0b0a742ca3fb0.emunes.6u7te842-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/emunes-81c0b0a742ca3fb0.emunes.6u7te842-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/emunes-81c0b0a742ca3fb0.emunes.6u7te842-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/emunes-81c0b0a742ca3fb0.emunes.6u7te842-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/emunes-81c0b0a742ca3fb0.emunes.6u7te842-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/emunes-81c0b0a742ca3fb0.emunes.6u7te842-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/emunes-81c0b0a742ca3fb0.emunes.6u7te842-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/emunes-81c0b0a742ca3fb0.emunes.6u7te842-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/emunes-81c0b0a742ca3fb0" "/opt/rustwide/target/debug/deps/emunes-81c0b0a742ca3fb0.slt0byfry65ryyd.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libsdl2-3ceca9dd15050c3f.rlib" "/opt/rustwide/target/debug/deps/librand-815e263df7e55806.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-bcb6d421f77826ba.rlib" "/opt/rustwide/target/debug/deps/libbitflags-032ea61c97bf3967.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-4b460a565d885068.rlib" "/opt/rustwide/target/debug/deps/liblibc-310db28551001b6b.rlib" "/opt/rustwide/target/debug/deps/libnum-356701d0267279f1.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-21664ee733166e3f.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-8b8fe217cdeb309a.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-38e6219da4952193.rlib" "/opt/rustwide/target/debug/deps/libbitflags-a3b8effd6dc295d0.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-f14aca24435a5414.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-48d342a8b48d1d01.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-14bc0820888c8eb3.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-9cbd9e217bff06bc.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-31826136df98934e.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-075976a117c8fd5d.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-2d5cbedfbf17a011.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-0474372ff08c5319.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-d437c34460d2315a.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-fb61ed1b8cc4de79.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-bf76d1b643bfc9f0.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-a1b53aa7fddcf418.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-28585e57fac45c73.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-64801769bc15ab28.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-541997b56bb98660.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-cdea3c81adab3d12.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-cd9f15a39fb65cbc.rlib" "-Wl,-Bdynamic" "-lSDL2_ttf" "-lSDL2" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lSDL2_ttf
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 61 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `emunes`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "3dd5c715597d6900197d35f7835a3fa8b07cf756e95fe3a1f8d880bc8b2d6191", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dd5c715597d6900197d35f7835a3fa8b07cf756e95fe3a1f8d880bc8b2d6191", kill_on_drop: false }`
[INFO] [stdout] 3dd5c715597d6900197d35f7835a3fa8b07cf756e95fe3a1f8d880bc8b2d6191
