[INFO] cloning repository https://github.com/mstelmas/chip8vm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mstelmas/chip8vm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmstelmas%2Fchip8vm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmstelmas%2Fchip8vm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c6cc04abd5ce41c2f10d37f70f8cb7a3e622fed1
[INFO] building mstelmas/chip8vm against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmstelmas%2Fchip8vm" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mstelmas/chip8vm on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mstelmas/chip8vm
[INFO] finished tweaking git repo https://github.com/mstelmas/chip8vm
[INFO] tweaked toml for git repo https://github.com/mstelmas/chip8vm written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/mstelmas/chip8vm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.2.6
[INFO] [stderr]   Downloaded gleam v0.6.0
[INFO] [stderr]   Downloaded winit v0.16.2
[INFO] [stderr]   Downloaded cocoa v0.15.0
[INFO] [stderr]   Downloaded glutin v0.17.0
[INFO] [stderr]   Downloaded core-foundation-sys v0.6.1
[INFO] [stderr]   Downloaded core-graphics v0.14.0
[INFO] [stderr]   Downloaded core-foundation v0.6.1
[INFO] [stderr]   Downloaded wayland-scanner v0.20.11
[INFO] [stderr]   Downloaded wayland-commons v0.20.11
[INFO] [stderr]   Downloaded wayland-sys v0.20.11
[INFO] [stderr]   Downloaded conrod v0.61.1
[INFO] [stderr]   Downloaded wayland-client v0.20.11
[INFO] [stderr]   Downloaded x11-dl v2.18.1
[INFO] [stderr]   Downloaded wayland-protocols v0.20.11
[INFO] [stderr]   Downloaded glium v0.22.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb97511e4f25da39ae162beae5af6f9f973ac99c36f93c1c1e08badba06fd7fa
[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" "eb97511e4f25da39ae162beae5af6f9f973ac99c36f93c1c1e08badba06fd7fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb97511e4f25da39ae162beae5af6f9f973ac99c36f93c1c1e08badba06fd7fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb97511e4f25da39ae162beae5af6f9f973ac99c36f93c1c1e08badba06fd7fa", kill_on_drop: false }`
[INFO] [stdout] eb97511e4f25da39ae162beae5af6f9f973ac99c36f93c1c1e08badba06fd7fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d6842b8cabdf0b716a90bd5609ec745b0ecf8e1a83490462fcb5d4a3cdbdedc
[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" "2d6842b8cabdf0b716a90bd5609ec745b0ecf8e1a83490462fcb5d4a3cdbdedc", kill_on_drop: false }`
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[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling downcast-rs v1.0.3
[INFO] [stderr]    Compiling stable_deref_trait v1.1.0
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[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling piston-float v0.3.0
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[INFO] [stderr]    Compiling smallvec v0.6.3
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[INFO] [stderr]    Compiling piston2d-graphics v0.26.0
[INFO] [stderr]    Compiling quote v0.6.4
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling x11-dl v2.18.1
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling aho-corasick v0.6.6
[INFO] [stderr]    Compiling wayland-scanner v0.20.11
[INFO] [stderr]    Compiling syn v0.14.5
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling daggy v0.5.0
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling rand v0.3.22
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[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]    Compiling tempfile v3.0.3
[INFO] [stderr]    Compiling parking_lot v0.6.3
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling ordered-float v0.5.0
[INFO] [stderr]    Compiling wayland-client v0.20.11
[INFO] [stderr]    Compiling wayland-protocols v0.20.11
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling rusttype v0.5.2
[INFO] [stderr]    Compiling dlib v0.4.1
[INFO] [stderr]    Compiling wayland-sys v0.20.11
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling wayland-commons v0.20.11
[INFO] [stderr]    Compiling glutin v0.17.0
[INFO] [stderr]    Compiling glium v0.22.0
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling sdl2 v0.31.0
[INFO] [stderr]    Compiling env_logger v0.5.10
[INFO] [stderr]    Compiling serde_derive v1.0.70
[INFO] [stderr]    Compiling serde_json v1.0.24
[INFO] [stderr]    Compiling bincode v1.0.1
[INFO] [stderr]    Compiling smithay-client-toolkit v0.2.6
[INFO] [stderr]    Compiling conrod_derive v0.1.2
[INFO] [stderr]    Compiling winit v0.16.2
[INFO] [stderr]    Compiling pistoncore-input v0.21.0
[INFO] [stderr]    Compiling conrod v0.61.1
[INFO] [stderr]    Compiling chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/chip8vm/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[macro_use] extern crate bincode;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]   --> src/chip8vm/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::io::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> src/chip8vm/chip8/chip8.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::thread;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Shutdown`, `TcpListener`, `TcpStream`
[INFO] [stdout]  --> src/chip8vm/chip8/chip8.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::net::{TcpListener, TcpStream, Shutdown};
[INFO] [stdout]   |                ^^^^^^^^^^^  ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/chip8vm/chip8/chip8.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufReader`, `BufWriter`
[INFO] [stdout]  --> src/chip8vm/chip8/chip8.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::io::{BufReader, BufWriter};
[INFO] [stdout]   |               ^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::pixels`
[INFO] [stdout]  --> src/chip8vm/chip8/display.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use sdl2::pixels;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process`
[INFO] [stdout]  --> src/chip8vm/chip8/remote_dbg.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::process;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Shutdown`
[INFO] [stdout]  --> src/chip8vm/chip8/remote_dbg.rs:3:40
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::net::{TcpListener, TcpStream, Shutdown};
[INFO] [stdout]   |                                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::error::Error`
[INFO] [stdout]   --> src/chip8vm/chip8/remote_dbg.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use serde_json::error::Error;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `deserialize`
[INFO] [stdout]   --> src/chip8vm/chip8/remote_dbg.rs:11:26
[INFO] [stdout]    |
[INFO] [stdout] 11 | use bincode::{serialize, deserialize};
[INFO] [stdout]    |                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `build` in this scope
[INFO] [stdout]   --> src/debugger/gui.rs:55:73
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let mut ui = conrod::UiBuilder::new([WIDTH as f64, HEIGHT as f64])..build();
[INFO] [stdout]    |                                                                         ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/debugger/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[macro_use] extern crate bincode;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OP_00E0` should have an upper camel case name
[INFO] [stdout]  --> src/debugger/disasm.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     OP_00E0,
[INFO] [stdout]   |     ^^^^^^^ help: convert the identifier to upper camel case: `Op00e0`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OP_00EE` should have an upper camel case name
[INFO] [stdout]  --> src/debugger/disasm.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     OP_00EE,
[INFO] [stdout]   |     ^^^^^^^ help: convert the identifier to upper camel case: `Op00ee`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OP_0NNN` should have an upper camel case name
[INFO] [stdout]  --> src/debugger/disasm.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     OP_0NNN(u16),
[INFO] [stdout]   |     ^^^^^^^ help: convert the identifier to upper camel case: `Op0nnn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OP_1NNN` should have an upper camel case name
[INFO] [stdout]  --> src/debugger/disasm.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     OP_1NNN(u16),
[INFO] [stdout]   |     ^^^^^^^ help: convert the identifier to upper camel case: `Op1nnn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OP_2NNN` should have an upper camel case name
[INFO] [stdout]  --> src/debugger/disasm.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     OP_2NNN(u16),
[INFO] [stdout]   |     ^^^^^^^ help: convert the identifier to upper camel case: `Op2nnn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OP_3XNN` should have an upper camel case name
[INFO] [stdout]  --> src/debugger/disasm.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     OP_3XNN(u8, u8),
[INFO] [stdout]   |     ^^^^^^^ help: convert the identifier to upper camel case: `Op3xnn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OP_4XNN` should have an upper camel case name
[INFO] [stdout]  --> src/debugger/disasm.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     OP_4XNN(u8, u8),
[INFO] [stdout]   |     ^^^^^^^ help: convert the identifier to upper camel case: `Op4xnn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OP_5XY0` should have an upper camel case name
[INFO] [stdout]  --> src/debugger/disasm.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     OP_5XY0(u8, u8),
[INFO] [stdout]   |     ^^^^^^^ help: convert the identifier to upper camel case: `Op5xy0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OP_6XNN` should have an upper camel case name
[INFO] [stdout]   --> src/debugger/disasm.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     OP_6XNN(u8, u8),
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `Op6xnn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OP_7XNN` should have an upper camel case name
[INFO] [stdout]   --> src/debugger/disasm.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     OP_7XNN(u8, u8),
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `Op7xnn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OP_8XY0` should have an upper camel case name
[INFO] [stdout]   --> src/debugger/disasm.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     OP_8XY0(u8, u8),
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `Op8xy0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OP_8XY1` should have an upper camel case name
[INFO] [stdout]   --> src/debugger/disasm.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     OP_8XY1(u8, u8),
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `Op8xy1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OP_8XY2` should have an upper camel case name
[INFO] [stdout]   --> src/debugger/disasm.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     OP_8XY2(u8, u8),
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `Op8xy2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OP_8XY3` should have an upper camel case name
[INFO] [stdout]   --> src/debugger/disasm.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     OP_8XY3(u8, u8),
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `Op8xy3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OP_8XY4` should have an upper camel case name
[INFO] [stdout]   --> src/debugger/disasm.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     OP_8XY4(u8, u8),
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `Op8xy4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OP_8XY5` should have an upper camel case name
[INFO] [stdout]   --> src/debugger/disasm.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     OP_8XY5(u8, u8),
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `Op8xy5`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OP_8XY6` should have an upper camel case name
[INFO] [stdout]   --> src/debugger/disasm.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     OP_8XY6(u8, u8),
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `Op8xy6`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OP_8XY7` should have an upper camel case name
[INFO] [stdout]   --> src/debugger/disasm.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     OP_8XY7(u8, u8),
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `Op8xy7`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OP_8XYE` should have an upper camel case name
[INFO] [stdout]   --> src/debugger/disasm.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     OP_8XYE(u8, u8),
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `Op8xye`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OP_9XY0` should have an upper camel case name
[INFO] [stdout]   --> src/debugger/disasm.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     OP_9XY0(u8, u8),
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `Op9xy0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OP_ANNN` should have an upper camel case name
[INFO] [stdout]   --> src/debugger/disasm.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     OP_ANNN(u16),
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `OpAnnn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OP_BNNN` should have an upper camel case name
[INFO] [stdout]   --> src/debugger/disasm.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     OP_BNNN(u16),
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `OpBnnn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OP_CXNN` should have an upper camel case name
[INFO] [stdout]   --> src/debugger/disasm.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     OP_CXNN(u8, u8),
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `OpCxnn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OP_DXYN` should have an upper camel case name
[INFO] [stdout]   --> src/debugger/disasm.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     OP_DXYN(u8, u8, u8),
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `OpDxyn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OP_EX9E` should have an upper camel case name
[INFO] [stdout]   --> src/debugger/disasm.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     OP_EX9E(u8),
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `OpEx9e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OP_EXA1` should have an upper camel case name
[INFO] [stdout]   --> src/debugger/disasm.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     OP_EXA1(u8),
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `OpExa1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OP_FX07` should have an upper camel case name
[INFO] [stdout]   --> src/debugger/disasm.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     OP_FX07(u8),
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `OpFx07`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OP_FX0A` should have an upper camel case name
[INFO] [stdout]   --> src/debugger/disasm.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     OP_FX0A(u8),
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `OpFx0a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OP_FX15` should have an upper camel case name
[INFO] [stdout]   --> src/debugger/disasm.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     OP_FX15(u8),
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `OpFx15`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OP_FX18` should have an upper camel case name
[INFO] [stdout]   --> src/debugger/disasm.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     OP_FX18(u8),
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `OpFx18`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OP_FX1E` should have an upper camel case name
[INFO] [stdout]   --> src/debugger/disasm.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     OP_FX1E(u8),
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `OpFx1e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OP_FX29` should have an upper camel case name
[INFO] [stdout]   --> src/debugger/disasm.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     OP_FX29(u8),
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `OpFx29`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OP_FX33` should have an upper camel case name
[INFO] [stdout]   --> src/debugger/disasm.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     OP_FX33(u8),
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `OpFx33`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OP_FX55` should have an upper camel case name
[INFO] [stdout]   --> src/debugger/disasm.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     OP_FX55(u8),
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `OpFx55`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OP_FX65` should have an upper camel case name
[INFO] [stdout]   --> src/debugger/disasm.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     OP_FX65(u8),
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `OpFx65`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stdout`
[INFO] [stdout]  --> src/debugger/cli.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{stdin, stdout};
[INFO] [stdout]   |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Shutdown`
[INFO] [stdout]  --> src/debugger/cli.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::net::{TcpStream, Shutdown};
[INFO] [stdout]   |                           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::disasm`
[INFO] [stdout]  --> src/debugger/cli.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use super::disasm;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Error`, `Value`
[INFO] [stdout]  --> src/debugger/cli.rs:8:18
[INFO] [stdout]   |
[INFO] [stdout] 8 | use serde_json::{Value, Error};
[INFO] [stdout]   |                  ^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serialize`
[INFO] [stdout]   --> src/debugger/cli.rs:11:15
[INFO] [stdout]    |
[INFO] [stdout] 11 | use bincode::{serialize, deserialize};
[INFO] [stdout]    |               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `eol`
[INFO] [stdout]  --> src/debugger/commands.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | use nom::{IResult, space, eol, digit};
[INFO] [stdout]   |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `widget`
[INFO] [stdout]  --> src/debugger/gui.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use conrod::{self, widget, Colorable, Positionable, Widget};
[INFO] [stdout]   |                    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std`
[INFO] [stdout]  --> src/debugger/gui.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std;
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Cow`
[INFO] [stdout]  --> src/debugger/gui.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::borrow::Cow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `conrod::event`
[INFO] [stdout]   --> src/debugger/gui.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use conrod::event;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Labelable`
[INFO] [stdout]    --> src/debugger/gui.rs:145:44
[INFO] [stdout]     |
[INFO] [stdout] 145 |     use conrod::{color, widget, Colorable, Labelable, Positionable, Sizeable, Widget};
[INFO] [stdout]     |                                            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `widget` is imported redundantly
[INFO] [stdout]    --> src/debugger/gui.rs:145:25
[INFO] [stdout]     |
[INFO] [stdout] 1   | use conrod::{self, widget, Colorable, Positionable, Widget};
[INFO] [stdout]     |                    ------ the item `widget` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 145 |     use conrod::{color, widget, Colorable, Labelable, Positionable, Sizeable, Widget};
[INFO] [stdout]     |                         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Colorable` is imported redundantly
[INFO] [stdout]    --> src/debugger/gui.rs:145:33
[INFO] [stdout]     |
[INFO] [stdout] 1   | use conrod::{self, widget, Colorable, Positionable, Widget};
[INFO] [stdout]     |                            --------- the item `Colorable` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 145 |     use conrod::{color, widget, Colorable, Labelable, Positionable, Sizeable, Widget};
[INFO] [stdout]     |                                 ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Positionable` is imported redundantly
[INFO] [stdout]    --> src/debugger/gui.rs:145:55
[INFO] [stdout]     |
[INFO] [stdout] 1   | use conrod::{self, widget, Colorable, Positionable, Widget};
[INFO] [stdout]     |                                       ------------ the item `Positionable` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 145 |     use conrod::{color, widget, Colorable, Labelable, Positionable, Sizeable, Widget};
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Widget` is imported redundantly
[INFO] [stdout]    --> src/debugger/gui.rs:145:79
[INFO] [stdout]     |
[INFO] [stdout] 1   | use conrod::{self, widget, Colorable, Positionable, Widget};
[INFO] [stdout]     |                                                     ------ the item `Widget` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 145 |     use conrod::{color, widget, Colorable, Labelable, Positionable, Sizeable, Widget};
[INFO] [stdout]     |                                                                               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/chip8vm/chip8/arch/cpu.rs:254:17
[INFO] [stdout]     |
[INFO] [stdout] 253 |                 panic!("[KEYOP] Await (blocking) key press and store result in V{:x}", x);
[INFO] [stdout]     |                 -------------------------------------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 254 |                 self.await_key_press = true;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dbg_thread`
[INFO] [stdout]   --> src/chip8vm/chip8/remote_dbg.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let dbg_thread = thread::spawn(  move|| {
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dbg_thread`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `snapshot`
[INFO] [stdout]   --> src/chip8vm/chip8/remote_dbg.rs:95:53
[INFO] [stdout]    |
[INFO] [stdout] 95 | ...                   Chip8Snapshots::CPU(snapshot) => {},
[INFO] [stdout]    |                                           ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_snapshot`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/chip8vm/chip8/remote_dbg.rs:60:26
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn handle_dbg_client(mut stream: TcpStream, sender: mpsc::Sender<DbgMessage>, snapshots: &mpsc::Receiver<Chip8Snapshots>) {
[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: field is never read: `await_key_press`
[INFO] [stdout]   --> src/chip8vm/chip8/arch/cpu.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     await_key_press: bool
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RESTART`
[INFO] [stdout]   --> src/chip8vm/chip8/remote_dbg.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     RESTART,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/chip8vm/chip8/chip8.rs:114:17
[INFO] [stdout]     |
[INFO] [stdout] 114 |                 sender.send(Chip8Snapshots::MEM(v));
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/chip8vm/chip8/display.rs:77:21
[INFO] [stdout]    |
[INFO] [stdout] 77 |                     self.canvas.fill_rect(pixel);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/chip8vm/chip8/display.rs:80:21
[INFO] [stdout]    |
[INFO] [stdout] 80 |                     self.canvas.fill_rect(pixel);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/chip8vm/chip8/remote_dbg.rs:73:49
[INFO] [stdout]    |
[INFO] [stdout] 73 |                         DbgCommand::Start =>  { sender.send(DbgMessage::START); }
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/chip8vm/chip8/remote_dbg.rs:74:48
[INFO] [stdout]    |
[INFO] [stdout] 74 |                         DbgCommand::Step =>  { sender.send(DbgMessage::STEP); }
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/chip8vm/chip8/remote_dbg.rs:75:47
[INFO] [stdout]    |
[INFO] [stdout] 75 |                         DbgCommand::Stop => { sender.send(DbgMessage::STOP); }
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/chip8vm/chip8/remote_dbg.rs:77:29
[INFO] [stdout]    |
[INFO] [stdout] 77 | ...                   sender.send(DbgMessage::CPU);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/chip8vm/chip8/remote_dbg.rs:84:37
[INFO] [stdout]    |
[INFO] [stdout] 84 | ...                   writer.write_all(encoded.as_ref());
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/chip8vm/chip8/remote_dbg.rs:91:29
[INFO] [stdout]    |
[INFO] [stdout] 91 | ...                   sender.send(DbgMessage::MEM(addr, size));
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/chip8vm/chip8/remote_dbg.rs:97:37
[INFO] [stdout]    |
[INFO] [stdout] 97 | ...                   writer.write_all(mem.as_ref());
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/chip8vm/chip8/remote_dbg.rs:98:37
[INFO] [stdout]    |
[INFO] [stdout] 98 | ...                   writer.write_all(b"\n");
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/chip8vm/chip8/remote_dbg.rs:103:21
[INFO] [stdout]     |
[INFO] [stdout] 103 |                     writer.flush();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `fonts` on type `std::ops::Range<UiBuilder>`
[INFO] [stdout]   --> src/debugger/gui.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 |     ui.fonts.insert_from_file(FONT_PATH).unwrap();
[INFO] [stdout]    |        ^^^^^ unknown field
[INFO] [stdout]    |
[INFO] [stdout]    = note: available fields are: `start`, `end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `widget_id_generator` found for struct `std::ops::Range<UiBuilder>` in the current scope
[INFO] [stdout]   --> src/debugger/gui.rs:62:32
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let ids = &mut Ids::new(ui.widget_id_generator());
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^ method not found in `std::ops::Range<UiBuilder>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `handle_event` found for struct `std::ops::Range<UiBuilder>` in the current scope
[INFO] [stdout]    --> src/debugger/gui.rs:117:16
[INFO] [stdout]     |
[INFO] [stdout] 117 |             ui.handle_event(input);
[INFO] [stdout]     |                ^^^^^^^^^^^^ method not found in `std::ops::Range<UiBuilder>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `set_widgets` found for struct `std::ops::Range<UiBuilder>` in the current scope
[INFO] [stdout]    --> src/debugger/gui.rs:119:28
[INFO] [stdout]     |
[INFO] [stdout] 119 |             set_widgets(ui.set_widgets(), ids, &mut command_text, &mut ui_state, &mut cli);
[INFO] [stdout]     |                            ^^^^^^^^^^^ method not found in `std::ops::Range<UiBuilder>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `draw_if_changed` found for struct `std::ops::Range<UiBuilder>` in the current scope
[INFO] [stdout]    --> src/debugger/gui.rs:122:38
[INFO] [stdout]     |
[INFO] [stdout] 122 |         if let Some(primitives) = ui.draw_if_changed() {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^ method not found in `std::ops::Range<UiBuilder>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Colorable`
[INFO] [stdout]  --> src/debugger/gui.rs:1:28
[INFO] [stdout]   |
[INFO] [stdout] 1 | use conrod::{self, widget, Colorable, Positionable, Widget};
[INFO] [stdout]   |                            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Positionable`
[INFO] [stdout]  --> src/debugger/gui.rs:1:39
[INFO] [stdout]   |
[INFO] [stdout] 1 | use conrod::{self, widget, Colorable, Positionable, Widget};
[INFO] [stdout]   |                                       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Widget`
[INFO] [stdout]  --> src/debugger/gui.rs:1:53
[INFO] [stdout]   |
[INFO] [stdout] 1 | use conrod::{self, widget, Colorable, Positionable, Widget};
[INFO] [stdout]   |                                                     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors; 54 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0599, E0609.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chip8`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 29 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "2d6842b8cabdf0b716a90bd5609ec745b0ecf8e1a83490462fcb5d4a3cdbdedc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d6842b8cabdf0b716a90bd5609ec745b0ecf8e1a83490462fcb5d4a3cdbdedc", kill_on_drop: false }`
[INFO] [stdout] 2d6842b8cabdf0b716a90bd5609ec745b0ecf8e1a83490462fcb5d4a3cdbdedc
