[INFO] cloning repository https://github.com/Hifive55555/musiforge
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Hifive55555/musiforge" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHifive55555%2Fmusiforge", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHifive55555%2Fmusiforge'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e3dfe1ea31002f3ac482ec0b4c5eb396a3fb5f21
[INFO] checking Hifive55555/musiforge against master#da2544bfbe84df7b24d83c029c74299ebf6112c6 for pr-149681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHifive55555%2Fmusiforge" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Hifive55555/musiforge
[INFO] finished tweaking git repo https://github.com/Hifive55555/musiforge
[INFO] tweaked toml for git repo https://github.com/Hifive55555/musiforge written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Hifive55555/musiforge on toolchain da2544bfbe84df7b24d83c029c74299ebf6112c6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+da2544bfbe84df7b24d83c029c74299ebf6112c6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+da2544bfbe84df7b24d83c029c74299ebf6112c6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 478 packages to latest compatible versions
[INFO] [stderr]       Adding cpal v0.15.3 (available: v0.16.0)
[INFO] [stderr]       Adding eframe v0.29.1 (available: v0.33.3)
[INFO] [stderr]       Adding egui v0.29.1 (available: v0.33.3)
[INFO] [stderr]       Adding env_logger v0.10.2 (available: v0.11.8)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+da2544bfbe84df7b24d83c029c74299ebf6112c6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+da2544bfbe84df7b24d83c029c74299ebf6112c6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8babd58d4d9772152b5ebabf3ad247a9066d68f536952cb31594c8d2cd539ab7
[INFO] running `Command { std: "docker" "start" "-a" "8babd58d4d9772152b5ebabf3ad247a9066d68f536952cb31594c8d2cd539ab7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8babd58d4d9772152b5ebabf3ad247a9066d68f536952cb31594c8d2cd539ab7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8babd58d4d9772152b5ebabf3ad247a9066d68f536952cb31594c8d2cd539ab7", kill_on_drop: false }`
[INFO] [stdout] 8babd58d4d9772152b5ebabf3ad247a9066d68f536952cb31594c8d2cd539ab7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+da2544bfbe84df7b24d83c029c74299ebf6112c6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 501ff16eb0627029bb82965671ba44f2b5112d22fbcfd5f8b7d865fc0f45c6b6
[INFO] running `Command { std: "docker" "start" "-a" "501ff16eb0627029bb82965671ba44f2b5112d22fbcfd5f8b7d865fc0f45c6b6", kill_on_drop: false }`
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[INFO] [stderr]    Compiling litrs v1.0.0
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[INFO] [stderr]    Compiling document-features v0.2.12
[INFO] [stderr]     Checking petgraph v0.8.3
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[INFO] [stderr]     Checking egui_glow v0.29.1
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[INFO] [stderr]     Checking image v0.25.9
[INFO] [stderr]     Checking sctk-adwaita v0.10.1
[INFO] [stderr]     Checking smithay-clipboard v0.7.3
[INFO] [stderr]     Checking atspi-common v0.6.0
[INFO] [stderr]     Checking x11rb v0.13.2
[INFO] [stderr]     Checking arboard v3.6.1
[INFO] [stderr]     Checking atspi-proxies v0.6.0
[INFO] [stderr]     Checking accesskit_atspi_common v0.9.3
[INFO] [stderr]     Checking atspi-connection v0.6.0
[INFO] [stderr]     Checking atspi v0.22.0
[INFO] [stderr]     Checking accesskit_unix v0.12.3
[INFO] [stderr]     Checking accesskit_winit v0.22.4
[INFO] [stderr]     Checking egui-winit v0.29.1
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[INFO] [stderr]     Checking musiforge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `uuid::Uuid`
[INFO] [stdout]  --> src/graph_flow.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use uuid::Uuid;
[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: `mpsc`
[INFO] [stdout]  --> src/block.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::{mpsc, Arc};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `config::host_device_setup`
[INFO] [stdout]    --> src/lib.rs:200:5
[INFO] [stdout]     |
[INFO] [stdout] 200 | use config::host_device_setup;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `uuid::Uuid`
[INFO] [stdout]  --> src/graph_flow.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use uuid::Uuid;
[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: `mpsc`
[INFO] [stdout]  --> src/block.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::{mpsc, Arc};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `config::host_device_setup`
[INFO] [stdout]    --> src/lib.rs:200:5
[INFO] [stdout]     |
[INFO] [stdout] 200 | use config::host_device_setup;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/musiblock.rs:317:24
[INFO] [stdout]     |
[INFO] [stdout] 317 |     pub fn tick(&self, input: f32) -> f32 {
[INFO] [stdout]     |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `inputs`
[INFO] [stdout]    --> src/block.rs:175:38
[INFO] [stdout]     |
[INFO] [stdout] 175 |         let func = move |time: Time, inputs: &IOData, outputs: &mut IOData, num_channels: usize| {
[INFO] [stdout]     |                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_inputs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/musiblock.rs:317:24
[INFO] [stdout]     |
[INFO] [stdout] 317 |     pub fn tick(&self, input: f32) -> f32 {
[INFO] [stdout]     |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Compressor` is never constructed
[INFO] [stdout]    --> src/musiblock.rs:311:8
[INFO] [stdout]     |
[INFO] [stdout] 311 | struct Compressor {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `tick` is never used
[INFO] [stdout]    --> src/musiblock.rs:317:12
[INFO] [stdout]     |
[INFO] [stdout] 316 | impl Compressor {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] 317 |     pub fn tick(&self, input: f32) -> f32 {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Limiter` is never constructed
[INFO] [stdout]    --> src/musiblock.rs:325:8
[INFO] [stdout]     |
[INFO] [stdout] 325 | struct Limiter {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `tick` are never used
[INFO] [stdout]    --> src/musiblock.rs:330:12
[INFO] [stdout]     |
[INFO] [stdout] 329 | impl Limiter {
[INFO] [stdout]     | ------------ associated items in this implementation
[INFO] [stdout] 330 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 333 |     pub fn tick(&self, input: f32) -> f32 {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/graph_flow.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Listener {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 14 |     id: BlockId,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Listener` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `workers` is never read
[INFO] [stdout]    --> src/graph_flow.rs:261:5
[INFO] [stdout]     |
[INFO] [stdout] 260 | struct ThreadPool {
[INFO] [stdout]     |        ---------- field in this struct
[INFO] [stdout] 261 |     workers: Vec<Worker>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `thread`, and `result_sender` are never read
[INFO] [stdout]    --> src/graph_flow.rs:295:5
[INFO] [stdout]     |
[INFO] [stdout] 294 | struct Worker {
[INFO] [stdout]     |        ------ fields in this struct
[INFO] [stdout] 295 |     id: usize,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 296 |     thread: Option<thread::JoinHandle<()>>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 297 |     result_sender: mpsc::Sender<ResultData>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `inputs`
[INFO] [stdout]    --> src/block.rs:175:38
[INFO] [stdout]     |
[INFO] [stdout] 175 |         let func = move |time: Time, inputs: &IOData, outputs: &mut IOData, num_channels: usize| {
[INFO] [stdout]     |                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_inputs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Compressor` is never constructed
[INFO] [stdout]    --> src/musiblock.rs:311:8
[INFO] [stdout]     |
[INFO] [stdout] 311 | struct Compressor {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `tick` is never used
[INFO] [stdout]    --> src/musiblock.rs:317:12
[INFO] [stdout]     |
[INFO] [stdout] 316 | impl Compressor {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] 317 |     pub fn tick(&self, input: f32) -> f32 {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Limiter` is never constructed
[INFO] [stdout]    --> src/musiblock.rs:325:8
[INFO] [stdout]     |
[INFO] [stdout] 325 | struct Limiter {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `tick` are never used
[INFO] [stdout]    --> src/musiblock.rs:330:12
[INFO] [stdout]     |
[INFO] [stdout] 329 | impl Limiter {
[INFO] [stdout]     | ------------ associated items in this implementation
[INFO] [stdout] 330 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 333 |     pub fn tick(&self, input: f32) -> f32 {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/graph_flow.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Listener {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 14 |     id: BlockId,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Listener` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `workers` is never read
[INFO] [stdout]    --> src/graph_flow.rs:261:5
[INFO] [stdout]     |
[INFO] [stdout] 260 | struct ThreadPool {
[INFO] [stdout]     |        ---------- field in this struct
[INFO] [stdout] 261 |     workers: Vec<Worker>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `thread`, and `result_sender` are never read
[INFO] [stdout]    --> src/graph_flow.rs:295:5
[INFO] [stdout]     |
[INFO] [stdout] 294 | struct Worker {
[INFO] [stdout]     |        ------ fields in this struct
[INFO] [stdout] 295 |     id: usize,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 296 |     thread: Option<thread::JoinHandle<()>>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 297 |     result_sender: mpsc::Sender<ResultData>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DeviceTrait` and `HostTrait`
[INFO] [stdout]  --> src/bin/block_example.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use cpal::traits::{DeviceTrait, HostTrait};
[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: `plotters::prelude::*`
[INFO] [stdout]  --> src/bin/block_example.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use plotters::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DeviceTrait` and `HostTrait`
[INFO] [stdout]  --> src/bin/block_example.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use cpal::traits::{DeviceTrait, HostTrait};
[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: `plotters::prelude::*`
[INFO] [stdout]  --> src/bin/block_example.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use plotters::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `inputs`
[INFO] [stdout]  --> src/bin/block_example.rs:7:24
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn osc(mut time: Time, inputs: &IOData, outputs: &mut IOData, num_channels: usize) {
[INFO] [stdout]   |                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_inputs`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_channels`
[INFO] [stdout]   --> src/bin/block_example.rs:21:62
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn osc_2(time: Time, _inputs: &IOData, outputs: &mut IOData, num_channels: usize) {
[INFO] [stdout]    |                                                              ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_channels`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `inputs`
[INFO] [stdout]  --> src/bin/block_example.rs:7:24
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn osc(mut time: Time, inputs: &IOData, outputs: &mut IOData, num_channels: usize) {
[INFO] [stdout]   |                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_inputs`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_channels`
[INFO] [stdout]   --> src/bin/block_example.rs:21:62
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn osc_2(time: Time, _inputs: &IOData, outputs: &mut IOData, num_channels: usize) {
[INFO] [stdout]    |                                                              ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_channels`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BiBuffer` is never constructed
[INFO] [stdout]   --> src/bin/block_example.rs:78:8
[INFO] [stdout]    |
[INFO] [stdout] 78 | struct BiBuffer {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BiBuffer` is never constructed
[INFO] [stdout]   --> src/bin/block_example.rs:78:8
[INFO] [stdout]    |
[INFO] [stdout] 78 | struct BiBuffer {
[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/bin/block_example.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 88 | impl Content {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 89 |     fn new(freq_listener: Listener) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/bin/block_example.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 88 | impl Content {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 89 |     fn new(freq_listener: Listener) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 59.97s
[INFO] running `Command { std: "docker" "inspect" "501ff16eb0627029bb82965671ba44f2b5112d22fbcfd5f8b7d865fc0f45c6b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "501ff16eb0627029bb82965671ba44f2b5112d22fbcfd5f8b7d865fc0f45c6b6", kill_on_drop: false }`
[INFO] [stdout] 501ff16eb0627029bb82965671ba44f2b5112d22fbcfd5f8b7d865fc0f45c6b6