[INFO] cloning repository https://github.com/swarnimarun/learning-emulators
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/swarnimarun/learning-emulators" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswarnimarun%2Flearning-emulators", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswarnimarun%2Flearning-emulators'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ad82b5376229f04c97f9f637246300b161405c0c
[INFO] checking swarnimarun/learning-emulators against try#b98202ad067d72e45cec8be3d5c15d86ef0fd086 for pr-155193
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswarnimarun%2Flearning-emulators" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/swarnimarun/learning-emulators
[INFO] finished tweaking git repo https://github.com/swarnimarun/learning-emulators
[INFO] tweaked toml for git repo https://github.com/swarnimarun/learning-emulators written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/swarnimarun/learning-emulators on toolchain b98202ad067d72e45cec8be3d5c15d86ef0fd086
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b98202ad067d72e45cec8be3d5c15d86ef0fd086" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/swarnimarun/learning-emulators 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" "+b98202ad067d72e45cec8be3d5c15d86ef0fd086" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 12a0cb559d0ff25cdfe9a1454095cbfa04550b45467e8bfbc77a801706b15b73
[INFO] running `Command { std: "docker" "start" "-a" "12a0cb559d0ff25cdfe9a1454095cbfa04550b45467e8bfbc77a801706b15b73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12a0cb559d0ff25cdfe9a1454095cbfa04550b45467e8bfbc77a801706b15b73", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b98202ad067d72e45cec8be3d5c15d86ef0fd086" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `bit_field::BitField`
[INFO] [stdout]  --> crates/chiprs/src/core/framebuffer.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use bit_field::BitField;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `eyre::ContextCompat`
[INFO] [stdout]  --> crates/chiprs/src/core/rom.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | use color_eyre::{eyre::ContextCompat, Result};
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `instructions::Instruction`
[INFO] [stdout]  --> crates/chiprs/src/core.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use instructions::Instruction;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bit_field::BitField`
[INFO] [stdout]  --> crates/chiprs/src/core/framebuffer.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use bit_field::BitField;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `eyre::ContextCompat`
[INFO] [stdout]  --> crates/chiprs/src/core/rom.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | use color_eyre::{eyre::ContextCompat, Result};
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `instructions::Instruction`
[INFO] [stdout]  --> crates/chiprs/src/core.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use instructions::Instruction;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> crates/chiprs/src/core/framebuffer.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let mut f = false;
[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: `x`
[INFO] [stdout]    --> crates/chiprs/src/core/processor.rs:213:35
[INFO] [stdout]     |
[INFO] [stdout] 213 |                 Instruction::SKPx(x) => todo!(),
[INFO] [stdout]     |                                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> crates/chiprs/src/core/processor.rs:214:37
[INFO] [stdout]     |
[INFO] [stdout] 214 |                 Instruction::SKPNPx(x) => todo!(),
[INFO] [stdout]     |                                     ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> crates/chiprs/src/core/processor.rs:215:36
[INFO] [stdout]     |
[INFO] [stdout] 215 |                 Instruction::LDxDt(x) => todo!(),
[INFO] [stdout]     |                                    ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> crates/chiprs/src/core/processor.rs:216:35
[INFO] [stdout]     |
[INFO] [stdout] 216 |                 Instruction::LDxK(x) => todo!(),
[INFO] [stdout]     |                                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> crates/chiprs/src/core/processor.rs:217:36
[INFO] [stdout]     |
[INFO] [stdout] 217 |                 Instruction::LDDTx(x) => todo!(),
[INFO] [stdout]     |                                    ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> crates/chiprs/src/core/processor.rs:218:36
[INFO] [stdout]     |
[INFO] [stdout] 218 |                 Instruction::LDSTx(x) => todo!(),
[INFO] [stdout]     |                                    ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> crates/chiprs/src/core/processor.rs:219:36
[INFO] [stdout]     |
[INFO] [stdout] 219 |                 Instruction::ADDIx(x) => todo!(),
[INFO] [stdout]     |                                    ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> crates/chiprs/src/core/processor.rs:220:35
[INFO] [stdout]     |
[INFO] [stdout] 220 |                 Instruction::LDFx(x) => todo!(),
[INFO] [stdout]     |                                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> crates/chiprs/src/core/processor.rs:221:35
[INFO] [stdout]     |
[INFO] [stdout] 221 |                 Instruction::LDBx(x) => todo!(),
[INFO] [stdout]     |                                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> crates/chiprs/src/core/processor.rs:222:35
[INFO] [stdout]     |
[INFO] [stdout] 222 |                 Instruction::LDIx(x) => todo!(),
[INFO] [stdout]     |                                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> crates/chiprs/src/core/processor.rs:223:35
[INFO] [stdout]     |
[INFO] [stdout] 223 |                 Instruction::LDxI(x) => todo!(),
[INFO] [stdout]     |                                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> crates/chiprs/src/core/rom.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let mut rom = Rom::Base([0; 3584], 3584);
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `event_loop`
[INFO] [stdout]   --> crates/chiprs/src/lib.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |         event_loop: &winit::event_loop::ActiveEventLoop,
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_event_loop`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `window_id`
[INFO] [stdout]   --> crates/chiprs/src/lib.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         window_id: winit::window::WindowId,
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_window_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `events` is never read
[INFO] [stdout]   --> crates/chiprs/src/lib.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct App {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 23 |     events: EventMap,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `App` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `height` is never read
[INFO] [stdout]   --> crates/chiprs/src/core/framebuffer.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct FrameBuffer {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 11 |     height: u32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FrameBuffer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `encode` is never used
[INFO] [stdout]    --> crates/chiprs/src/core/instructions.rs:324:12
[INFO] [stdout]     |
[INFO] [stdout] 266 | impl Instruction {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 324 |     pub fn encode(&self) -> u16 {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `delay_timer` and `sound_timer` are never read
[INFO] [stdout]   --> crates/chiprs/src/core/processor.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub struct Processor {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 51 |     delay_timer: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 52 |     sound_timer: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Processor` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `text` is never used
[INFO] [stdout]    --> crates/chiprs/src/core/processor.rs:230:12
[INFO] [stdout]     |
[INFO] [stdout]  60 | impl Processor {
[INFO] [stdout]     | -------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 230 |     pub fn text(i: char) -> [u8; 5] {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `insert` is never used
[INFO] [stdout]   --> crates/chiprs/src/core/rom.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Rom {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 39 |     fn insert(&mut self, index: usize, inst: Instruction) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> crates/chiprs/src/core/framebuffer.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let mut f = false;
[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: `x`
[INFO] [stdout]    --> crates/chiprs/src/core/processor.rs:213:35
[INFO] [stdout]     |
[INFO] [stdout] 213 |                 Instruction::SKPx(x) => todo!(),
[INFO] [stdout]     |                                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> crates/chiprs/src/core/processor.rs:214:37
[INFO] [stdout]     |
[INFO] [stdout] 214 |                 Instruction::SKPNPx(x) => todo!(),
[INFO] [stdout]     |                                     ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> crates/chiprs/src/core/processor.rs:215:36
[INFO] [stdout]     |
[INFO] [stdout] 215 |                 Instruction::LDxDt(x) => todo!(),
[INFO] [stdout]     |                                    ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> crates/chiprs/src/core/processor.rs:216:35
[INFO] [stdout]     |
[INFO] [stdout] 216 |                 Instruction::LDxK(x) => todo!(),
[INFO] [stdout]     |                                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> crates/chiprs/src/core/processor.rs:217:36
[INFO] [stdout]     |
[INFO] [stdout] 217 |                 Instruction::LDDTx(x) => todo!(),
[INFO] [stdout]     |                                    ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> crates/chiprs/src/core/processor.rs:218:36
[INFO] [stdout]     |
[INFO] [stdout] 218 |                 Instruction::LDSTx(x) => todo!(),
[INFO] [stdout]     |                                    ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> crates/chiprs/src/core/processor.rs:219:36
[INFO] [stdout]     |
[INFO] [stdout] 219 |                 Instruction::ADDIx(x) => todo!(),
[INFO] [stdout]     |                                    ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> crates/chiprs/src/core/processor.rs:220:35
[INFO] [stdout]     |
[INFO] [stdout] 220 |                 Instruction::LDFx(x) => todo!(),
[INFO] [stdout]     |                                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> crates/chiprs/src/core/processor.rs:221:35
[INFO] [stdout]     |
[INFO] [stdout] 221 |                 Instruction::LDBx(x) => todo!(),
[INFO] [stdout]     |                                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> crates/chiprs/src/core/processor.rs:222:35
[INFO] [stdout]     |
[INFO] [stdout] 222 |                 Instruction::LDIx(x) => todo!(),
[INFO] [stdout]     |                                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> crates/chiprs/src/core/processor.rs:223:35
[INFO] [stdout]     |
[INFO] [stdout] 223 |                 Instruction::LDxI(x) => todo!(),
[INFO] [stdout]     |                                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> crates/chiprs/src/core/rom.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let mut rom = Rom::Base([0; 3584], 3584);
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `event_loop`
[INFO] [stdout]   --> crates/chiprs/src/lib.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |         event_loop: &winit::event_loop::ActiveEventLoop,
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_event_loop`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `window_id`
[INFO] [stdout]   --> crates/chiprs/src/lib.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         window_id: winit::window::WindowId,
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_window_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `events` is never read
[INFO] [stdout]   --> crates/chiprs/src/lib.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct App {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 23 |     events: EventMap,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `App` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `height` is never read
[INFO] [stdout]   --> crates/chiprs/src/core/framebuffer.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct FrameBuffer {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 11 |     height: u32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FrameBuffer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `encode` is never used
[INFO] [stdout]    --> crates/chiprs/src/core/instructions.rs:324:12
[INFO] [stdout]     |
[INFO] [stdout] 266 | impl Instruction {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 324 |     pub fn encode(&self) -> u16 {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `delay_timer` and `sound_timer` are never read
[INFO] [stdout]   --> crates/chiprs/src/core/processor.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub struct Processor {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 51 |     delay_timer: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 52 |     sound_timer: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Processor` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `text` is never used
[INFO] [stdout]    --> crates/chiprs/src/core/processor.rs:230:12
[INFO] [stdout]     |
[INFO] [stdout]  60 | impl Processor {
[INFO] [stdout]     | -------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 230 |     pub fn text(i: char) -> [u8; 5] {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `insert` is never used
[INFO] [stdout]   --> crates/chiprs/src/core/rom.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Rom {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 39 |     fn insert(&mut self, index: usize, inst: Instruction) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking lemu v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:41:17
[INFO] [stdout]    |
[INFO] [stdout] 41 |                 chip8.disassemble_rom();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 41 |                 let _ = chip8.disassemble_rom();
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:41:17
[INFO] [stdout]    |
[INFO] [stdout] 41 |                 chip8.disassemble_rom();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 41 |                 let _ = chip8.disassemble_rom();
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking graphic-core v0.1.0 (/opt/rustwide/workdir/crates/graphic-core)
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> crates/graphic-core/examples/simple.rs:41:32
[INFO] [stdout]    |
[INFO] [stdout] 41 |         for render_pipeline in &context.render_pipeline {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]    |
[INFO] [stdout] 41 -         for render_pipeline in &context.render_pipeline {
[INFO] [stdout] 41 +         while let Some(render_pipeline) = &context.render_pipeline {
[INFO] [stdout]    |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 41 -         for render_pipeline in &context.render_pipeline {
[INFO] [stdout] 41 +         if let Some(render_pipeline) = &context.render_pipeline {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 15s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: document-features v0.2.8
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "c0cd0c2c25d88bdf0b19cbbb39585d9195ff916eaf67d4b430c6dbf05cc13be6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0cd0c2c25d88bdf0b19cbbb39585d9195ff916eaf67d4b430c6dbf05cc13be6", kill_on_drop: false }`
[INFO] [stdout] c0cd0c2c25d88bdf0b19cbbb39585d9195ff916eaf67d4b430c6dbf05cc13be6
