[INFO] cloning repository https://github.com/EclesioMeloJunior/rust16vm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EclesioMeloJunior/rust16vm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEclesioMeloJunior%2Frust16vm", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8d24d0350651974941d627005e2953f42426e13d
[INFO] checking EclesioMeloJunior/rust16vm against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEclesioMeloJunior%2Frust16vm" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/EclesioMeloJunior/rust16vm
[INFO] finished tweaking git repo https://github.com/EclesioMeloJunior/rust16vm
[INFO] tweaked toml for git repo https://github.com/EclesioMeloJunior/rust16vm written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/EclesioMeloJunior/rust16vm on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c
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[INFO] crate git repo https://github.com/EclesioMeloJunior/rust16vm already has a lockfile, it will not be regenerated
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[INFO] running `Command { std: "docker" "inspect" "ff9bb313364ae51b99c2a41e4063b0751faec930487ad2d32f255ed3d40ceafa", kill_on_drop: false }`
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[INFO] [stdout] warning: unused imports: `env::args`, `fmt::format`, and `hash::Hash`
[INFO] [stdout]  --> src/asm/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     env::args,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 5 |     fmt::format,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 6 |     hash::Hash,
[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: `borrow::Cow`
[INFO] [stdout]  --> src/devices/keyboard.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{borrow::Cow, collections::VecDeque, sync::{Arc, Mutex}, time::Duration};
[INFO] [stdout]   |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stdin`
[INFO] [stdout]  --> src/devices/terminal.rs:2:25
[INFO] [stdout]   |
[INFO] [stdout] 2 |     io::{Write, stdout, stdin},
[INFO] [stdout]   |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Print`, `QueueableCommand`, `Stylize`, and `execute`
[INFO] [stdout]  --> src/devices/terminal.rs:6:44
[INFO] [stdout]   |
[INFO] [stdout] 6 | ...eyCode}, execute, style::{self, Print, Stylize}, terminal::{self, Clear, ClearType}, ExecutableCommand, QueueableCommand
[INFO] [stdout]   |             ^^^^^^^                ^^^^^  ^^^^^^^                                                          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `default`
[INFO] [stdout]  --> src/devices/screen.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     default,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `unbounded`
[INFO] [stdout]  --> src/devices/screen.rs:8:39
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crossbeam_channel::{TryRecvError, unbounded};
[INFO] [stdout]   |                                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `KeyEvent`
[INFO] [stdout]  --> src/devices/screen.rs:9:46
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crossterm::event::{self, Event, KeyCode, KeyEvent, KeyEventKind};
[INFO] [stdout]   |                                              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Paragraph`, `Text`, and `symbols::border`
[INFO] [stdout]   --> src/devices/screen.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     symbols::border,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 17 |     text::{Line, Span, Text},
[INFO] [stdout]    |                        ^^^^
[INFO] [stdout] 18 |     widgets::{Block, List, ListItem, Paragraph, Widget, WidgetRef},
[INFO] [stdout]    |                                      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `env::args`, `fmt::format`, and `hash::Hash`
[INFO] [stdout]  --> src/asm/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     env::args,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 5 |     fmt::format,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 6 |     hash::Hash,
[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: `borrow::Cow`
[INFO] [stdout]  --> src/devices/keyboard.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{borrow::Cow, collections::VecDeque, sync::{Arc, Mutex}, time::Duration};
[INFO] [stdout]   |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stdin`
[INFO] [stdout]  --> src/devices/terminal.rs:2:25
[INFO] [stdout]   |
[INFO] [stdout] 2 |     io::{Write, stdout, stdin},
[INFO] [stdout]   |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Print`, `QueueableCommand`, `Stylize`, and `execute`
[INFO] [stdout]  --> src/devices/terminal.rs:6:44
[INFO] [stdout]   |
[INFO] [stdout] 6 | ...eyCode}, execute, style::{self, Print, Stylize}, terminal::{self, Clear, ClearType}, ExecutableCommand, QueueableCommand
[INFO] [stdout]   |             ^^^^^^^                ^^^^^  ^^^^^^^                                                          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `default`
[INFO] [stdout]  --> src/devices/screen.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     default,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `unbounded`
[INFO] [stdout]  --> src/devices/screen.rs:8:39
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crossbeam_channel::{TryRecvError, unbounded};
[INFO] [stdout]   |                                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `KeyEvent`
[INFO] [stdout]  --> src/devices/screen.rs:9:46
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crossterm::event::{self, Event, KeyCode, KeyEvent, KeyEventKind};
[INFO] [stdout]   |                                              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Paragraph`, `Text`, and `symbols::border`
[INFO] [stdout]   --> src/devices/screen.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     symbols::border,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 17 |     text::{Line, Span, Text},
[INFO] [stdout]    |                        ^^^^
[INFO] [stdout] 18 |     widgets::{Block, List, ListItem, Paragraph, Widget, WidgetRef},
[INFO] [stdout]    |                                      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/machine.rs:496:13
[INFO] [stdout]     |
[INFO] [stdout] 496 |             _ => {
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/machine.rs:496:13
[INFO] [stdout]     |
[INFO] [stdout] 361 |             Instruction::Noop => {
[INFO] [stdout]     |             ----------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 369 |             Instruction::Mov(dst_reg, reg, imm) => {
[INFO] [stdout]     |             ----------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 381 |             Instruction::MovShift(dst_reg, sh_am, left, imm) => {
[INFO] [stdout]     |             ------------------------------------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 392 |             Instruction::Cpy(reg_src, reg_dst) => {
[INFO] [stdout]     |             ---------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 496 |             _ => {
[INFO] [stdout]     |             ^ ...and 8 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]    --> src/devices/screen.rs:266:20
[INFO] [stdout]     |
[INFO] [stdout] 266 |     fn read(&self, offset: usize) -> u8 {
[INFO] [stdout]     |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]    --> src/devices/screen.rs:270:25
[INFO] [stdout]     |
[INFO] [stdout] 270 |     fn write(&mut self, offset: usize, value: u8) {
[INFO] [stdout]     |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/devices/screen.rs:270:40
[INFO] [stdout]     |
[INFO] [stdout] 270 |     fn write(&mut self, offset: usize, value: u8) {
[INFO] [stdout]     |                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `ScreenDevice` is never constructed
[INFO] [stdout]    --> src/devices/screen.rs:251:12
[INFO] [stdout]     |
[INFO] [stdout] 251 | pub struct ScreenDevice {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]     = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CHANNEL_READ_ERROR` is never used
[INFO] [stdout]   --> src/devices/screen.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | const CHANNEL_READ_ERROR: io::Error =
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/devices/screen.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl InstructionsPane {
[INFO] [stdout]    | --------------------- associated function in this implementation
[INFO] [stdout] 33 |     fn new(insts: Vec<u16>, curr_inst: usize) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `rx` and `exit` are never read
[INFO] [stdout]    --> src/devices/screen.rs:117:5
[INFO] [stdout]     |
[INFO] [stdout] 116 | struct Screen {
[INFO] [stdout]     |        ------ fields in this struct
[INFO] [stdout] 117 |     rx: crossbeam_channel::Receiver<ScreenExchange>,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 118 |     exit: bool,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `run`, `draw`, `handle_events`, and `handle_key_press` are never used
[INFO] [stdout]    --> src/devices/screen.rs:124:8
[INFO] [stdout]     |
[INFO] [stdout] 123 | impl Screen {
[INFO] [stdout]     | ----------- associated items in this implementation
[INFO] [stdout] 124 |     fn new(rx: crossbeam_channel::Receiver<ScreenExchange>) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 133 |     async fn run(&mut self, terminal: &mut DefaultTerminal) -> io::Result<()> {
[INFO] [stdout]     |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 154 |     fn draw(&self, frame: &mut Frame) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 158 |     fn handle_events(&mut self) -> io::Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 169 |     fn handle_key_press(&mut self, kc: KeyCode) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `show_registers` is never read
[INFO] [stdout]    --> src/devices/screen.rs:217:5
[INFO] [stdout]     |
[INFO] [stdout] 215 | pub struct ScreenOptions {
[INFO] [stdout]     |            ------------- field in this struct
[INFO] [stdout] 216 |     show_instructions: Option<(Vec<u16>, usize)>,
[INFO] [stdout] 217 |     show_registers: Option<Vec<Register>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `screen_main` is never used
[INFO] [stdout]    --> src/devices/screen.rs:227:10
[INFO] [stdout]     |
[INFO] [stdout] 227 | async fn screen_main(
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Read` and `Write` are never constructed
[INFO] [stdout]    --> src/devices/screen.rs:247:5
[INFO] [stdout]     |
[INFO] [stdout] 246 | enum ScreenExchange {
[INFO] [stdout]     |      -------------- variants in this enum
[INFO] [stdout] 247 |     Read(usize, crossbeam_channel::Sender<u8>),
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 248 |     Write((usize, u8)),
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ScreenExchange` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `device_handle` is never read
[INFO] [stdout]    --> src/devices/screen.rs:252:5
[INFO] [stdout]     |
[INFO] [stdout] 251 | pub struct ScreenDevice {
[INFO] [stdout]     |            ------------ field in this struct
[INFO] [stdout] 252 |     device_handle: JoinHandle<io::Result<()>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust16vm` (lib) due to 1 previous error; 20 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/machine.rs:496:13
[INFO] [stdout]     |
[INFO] [stdout] 496 |             _ => {
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/machine.rs:496:13
[INFO] [stdout]     |
[INFO] [stdout] 361 |             Instruction::Noop => {
[INFO] [stdout]     |             ----------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 369 |             Instruction::Mov(dst_reg, reg, imm) => {
[INFO] [stdout]     |             ----------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 381 |             Instruction::MovShift(dst_reg, sh_am, left, imm) => {
[INFO] [stdout]     |             ------------------------------------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 392 |             Instruction::Cpy(reg_src, reg_dst) => {
[INFO] [stdout]     |             ---------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 496 |             _ => {
[INFO] [stdout]     |             ^ ...and 8 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]    --> src/devices/screen.rs:266:20
[INFO] [stdout]     |
[INFO] [stdout] 266 |     fn read(&self, offset: usize) -> u8 {
[INFO] [stdout]     |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]    --> src/devices/screen.rs:270:25
[INFO] [stdout]     |
[INFO] [stdout] 270 |     fn write(&mut self, offset: usize, value: u8) {
[INFO] [stdout]     |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/devices/screen.rs:270:40
[INFO] [stdout]     |
[INFO] [stdout] 270 |     fn write(&mut self, offset: usize, value: u8) {
[INFO] [stdout]     |                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `ScreenDevice` is never constructed
[INFO] [stdout]    --> src/devices/screen.rs:251:12
[INFO] [stdout]     |
[INFO] [stdout] 251 | pub struct ScreenDevice {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]     = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CHANNEL_READ_ERROR` is never used
[INFO] [stdout]   --> src/devices/screen.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | const CHANNEL_READ_ERROR: io::Error =
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/devices/screen.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl InstructionsPane {
[INFO] [stdout]    | --------------------- associated function in this implementation
[INFO] [stdout] 33 |     fn new(insts: Vec<u16>, curr_inst: usize) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `rx` and `exit` are never read
[INFO] [stdout]    --> src/devices/screen.rs:117:5
[INFO] [stdout]     |
[INFO] [stdout] 116 | struct Screen {
[INFO] [stdout]     |        ------ fields in this struct
[INFO] [stdout] 117 |     rx: crossbeam_channel::Receiver<ScreenExchange>,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 118 |     exit: bool,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `run`, `draw`, `handle_events`, and `handle_key_press` are never used
[INFO] [stdout]    --> src/devices/screen.rs:124:8
[INFO] [stdout]     |
[INFO] [stdout] 123 | impl Screen {
[INFO] [stdout]     | ----------- associated items in this implementation
[INFO] [stdout] 124 |     fn new(rx: crossbeam_channel::Receiver<ScreenExchange>) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 133 |     async fn run(&mut self, terminal: &mut DefaultTerminal) -> io::Result<()> {
[INFO] [stdout]     |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 154 |     fn draw(&self, frame: &mut Frame) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 158 |     fn handle_events(&mut self) -> io::Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 169 |     fn handle_key_press(&mut self, kc: KeyCode) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `show_registers` is never read
[INFO] [stdout]    --> src/devices/screen.rs:217:5
[INFO] [stdout]     |
[INFO] [stdout] 215 | pub struct ScreenOptions {
[INFO] [stdout]     |            ------------- field in this struct
[INFO] [stdout] 216 |     show_instructions: Option<(Vec<u16>, usize)>,
[INFO] [stdout] 217 |     show_registers: Option<Vec<Register>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `screen_main` is never used
[INFO] [stdout]    --> src/devices/screen.rs:227:10
[INFO] [stdout]     |
[INFO] [stdout] 227 | async fn screen_main(
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Read` and `Write` are never constructed
[INFO] [stdout]    --> src/devices/screen.rs:247:5
[INFO] [stdout]     |
[INFO] [stdout] 246 | enum ScreenExchange {
[INFO] [stdout]     |      -------------- variants in this enum
[INFO] [stdout] 247 |     Read(usize, crossbeam_channel::Sender<u8>),
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 248 |     Write((usize, u8)),
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ScreenExchange` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `device_handle` is never read
[INFO] [stdout]    --> src/devices/screen.rs:252:5
[INFO] [stdout]     |
[INFO] [stdout] 251 | pub struct ScreenDevice {
[INFO] [stdout]     |            ------------ field in this struct
[INFO] [stdout] 252 |     device_handle: JoinHandle<io::Result<()>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust16vm` (lib test) due to 1 previous error; 20 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "6df1e32796c98da8d29dfb27e5ebc1653496cce70902ab5cf9376a1aaeecb777", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6df1e32796c98da8d29dfb27e5ebc1653496cce70902ab5cf9376a1aaeecb777", kill_on_drop: false }`
[INFO] [stdout] 6df1e32796c98da8d29dfb27e5ebc1653496cce70902ab5cf9376a1aaeecb777
