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"fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ff9bb313364ae51b99c2a41e4063b0751faec930487ad2d32f255ed3d40ceafa [INFO] running `Command { std: "docker" "start" "-a" "ff9bb313364ae51b99c2a41e4063b0751faec930487ad2d32f255ed3d40ceafa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ff9bb313364ae51b99c2a41e4063b0751faec930487ad2d32f255ed3d40ceafa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff9bb313364ae51b99c2a41e4063b0751faec930487ad2d32f255ed3d40ceafa", kill_on_drop: false }` [INFO] [stdout] ff9bb313364ae51b99c2a41e4063b0751faec930487ad2d32f255ed3d40ceafa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6df1e32796c98da8d29dfb27e5ebc1653496cce70902ab5cf9376a1aaeecb777 [INFO] running `Command { std: "docker" "start" "-a" "6df1e32796c98da8d29dfb27e5ebc1653496cce70902ab5cf9376a1aaeecb777", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.4.0 [INFO] [stderr] Compiling proc-macro2 v1.0.94 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Compiling libc v0.2.170 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling rustix v0.38.44 [INFO] [stderr] Checking bitflags v2.9.0 [INFO] [stderr] Checking concurrent-queue v2.5.0 [INFO] [stderr] Compiling rustversion v1.0.20 [INFO] [stderr] Checking event-listener v5.4.0 [INFO] [stderr] Checking value-bag v1.10.0 [INFO] [stderr] Checking linux-raw-sys v0.4.15 [INFO] [stderr] Checking log v0.4.26 [INFO] [stderr] Checking futures-lite v2.6.0 [INFO] [stderr] Checking event-listener-strategy v0.5.3 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Checking tracing-core v0.1.33 [INFO] [stderr] Compiling signal-hook v0.3.17 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Compiling strsim v0.11.1 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking futures-sink v0.3.31 [INFO] [stderr] Checking smallvec v1.14.0 [INFO] [stderr] Checking tracing v0.1.41 [INFO] [stderr] Compiling quote v1.0.39 [INFO] [stderr] Checking signal-hook-registry v1.4.2 [INFO] [stderr] Compiling syn v2.0.99 [INFO] [stderr] Checking mio v1.0.3 [INFO] [stderr] Checking futures-channel v0.3.31 [INFO] [stderr] Checking async-lock v3.4.0 [INFO] [stderr] Checking async-channel v2.3.1 [INFO] [stderr] Checking allocator-api2 v0.2.21 [INFO] [stderr] Checking futures-task v0.3.31 [INFO] [stderr] Compiling heck v0.5.0 [INFO] [stderr] Compiling paste v1.0.15 [INFO] [stderr] Checking blocking v1.6.1 [INFO] [stderr] Checking signal-hook-mio v0.2.4 [INFO] [stderr] Checking async-executor v1.13.1 [INFO] [stderr] Checking parking_lot v0.12.3 [INFO] [stderr] Checking castaway v0.2.3 [INFO] [stderr] Checking unicode-width v0.1.14 [INFO] [stderr] Checking hashbrown v0.15.2 [INFO] [stderr] Checking once_cell v1.20.3 [INFO] [stderr] Checking unicode-segmentation v1.12.0 [INFO] [stderr] Checking event-listener v2.5.3 [INFO] [stderr] Compiling indoc v2.0.6 [INFO] [stderr] Checking async-channel v1.9.0 [INFO] [stderr] Checking compact_str v0.8.1 [INFO] [stderr] Checking kv-log-macro v1.0.7 [INFO] [stderr] Checking unicode-width v0.2.0 [INFO] [stderr] Checking unicode-truncate v1.1.0 [INFO] [stderr] Checking cassowary v0.3.0 [INFO] [stderr] Checking crossbeam-channel v0.5.14 [INFO] [stderr] Checking lru v0.12.5 [INFO] [stderr] Compiling darling_core v0.20.10 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling strum_macros v0.26.4 [INFO] [stderr] Checking polling v3.7.4 [INFO] [stderr] Checking crossterm v0.28.1 [INFO] [stderr] Checking async-io v2.4.0 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking async-global-executor v2.4.1 [INFO] [stderr] Checking async-std v1.13.0 [INFO] [stderr] Compiling darling_macro v0.20.10 [INFO] [stderr] Compiling darling v0.20.10 [INFO] [stderr] Compiling instability v0.3.7 [INFO] [stderr] Checking strum v0.26.3 [INFO] [stderr] Checking ratatui v0.29.0 [INFO] [stderr] Checking futures-executor v0.3.31 [INFO] [stderr] Checking futures v0.3.31 [INFO] [stderr] Checking rust16vm v0.1.0 (/opt/rustwide/workdir) [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, 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, [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) -> 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, usize)>, [INFO] [stdout] 217 | show_registers: Option>, [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), [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>, [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, 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, [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) -> 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, usize)>, [INFO] [stdout] 217 | show_registers: Option>, [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), [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>, [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