[INFO] cloning repository https://github.com/mindtravel/rust_spectrum_analyse
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mindtravel/rust_spectrum_analyse" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmindtravel%2Frust_spectrum_analyse", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d2cf8c4f6a2b1c6743bece7392c351417ad4dd72
[INFO] testing mindtravel/rust_spectrum_analyse against beta-2026-03-05 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmindtravel%2Frust_spectrum_analyse" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mindtravel/rust_spectrum_analyse
[INFO] finished tweaking git repo https://github.com/mindtravel/rust_spectrum_analyse
[INFO] tweaked toml for git repo https://github.com/mindtravel/rust_spectrum_analyse written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mindtravel/rust_spectrum_analyse on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mindtravel/rust_spectrum_analyse 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" "+beta-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `myalgorithm::SAMPLE_RATE`
[INFO] [stdout]  --> src/ui.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use myalgorithm::SAMPLE_RATE;
[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: `myalgorithm::MAX_FREQ`
[INFO] [stdout]  --> src/ui.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use myalgorithm::MAX_FREQ;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `last_update` and `interpolation` are never read
[INFO] [stdout]   --> src/app.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct SpectrumApp {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 11 |     last_update: Instant,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 12 |     frame_buffer: Vec<f32>,    // 添加帧缓冲
[INFO] [stdout] 13 |     interpolation: f32,        // 添加插值因子
[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 `show_device_switcher` is never used
[INFO] [stdout]   --> src/app.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl SpectrumApp {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn show_device_switcher(&self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `host` is never read
[INFO] [stdout]  --> src/audio/device.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct AudioDeviceManager {
[INFO] [stdout]   |            ------------------ field in this struct
[INFO] [stdout] 5 |     host: Host,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `find_loopback_device` is never used
[INFO] [stdout]   --> src/audio/device.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl AudioDeviceManager {
[INFO] [stdout]    | ----------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn find_loopback_device(&self) -> Option<Device> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Standard` is never constructed
[INFO] [stdout]   --> src/spectrum.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub enum Resolution {
[INFO] [stdout]    |          ---------- variant in this enum
[INFO] [stdout] 11 |     Standard,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Resolution` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `low`, `high`, `y1`, and `y2` are never read
[INFO] [stdout]   --> src/spectrum.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct BandpassFilter {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] 16 |     low: f32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 17 |     high: f32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 18 |     y1: f32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 19 |     y2: f32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `process` is never used
[INFO] [stdout]   --> src/spectrum.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl BandpassFilter {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 32 |     fn process(&mut self, x: f32, sample_rate: f32) -> f32 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `filters`, `resolution`, and `sample_rate` are never read
[INFO] [stdout]   --> src/spectrum.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub struct SpectrumAnalyzer {
[INFO] [stdout]    |            ---------------- fields in this struct
[INFO] [stdout] 46 |     filters: Vec<BandpassFilter>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 47 |     fft_planner: FftPlanner<f32>,
[INFO] [stdout] 48 |     resolution: Resolution,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 49 |     sample_rate: f32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `compute_band_levels` is never used
[INFO] [stdout]    --> src/spectrum.rs:123:8
[INFO] [stdout]     |
[INFO] [stdout]  52 | impl SpectrumAnalyzer {
[INFO] [stdout]     | --------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 123 |     fn compute_band_levels(&mut self, samples: &[f32]) -> Vec<f32> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `apply_bandpass` is never used
[INFO] [stdout]    --> src/spectrum.rs:162:4
[INFO] [stdout]     |
[INFO] [stdout] 162 | fn apply_bandpass(samples: &[f32], low: f32, high: f32, sample_rate: f32) -> Vec<f32> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_frequency_band_color` is never used
[INFO] [stdout]   --> src/ui.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn get_frequency_band_color(_freq: f32, intensity: f32) -> Color32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3m 12s
[INFO] running `Command { std: "docker" "inspect" "e39e64d5e8489439afdcdddb21a7e1954d5b4a59f81906ed2acc7da07f78f5a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e39e64d5e8489439afdcdddb21a7e1954d5b4a59f81906ed2acc7da07f78f5a2", kill_on_drop: false }`
[INFO] [stdout] e39e64d5e8489439afdcdddb21a7e1954d5b4a59f81906ed2acc7da07f78f5a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d96def9c8ef7be16d51f3ce1a5bd0ed68e7180c621ad6abaefb953ada1738661
[INFO] running `Command { std: "docker" "start" "-a" "d96def9c8ef7be16d51f3ce1a5bd0ed68e7180c621ad6abaefb953ada1738661", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_spectrum_analyse v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `myalgorithm::SAMPLE_RATE`
[INFO] [stdout]  --> src/ui.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use myalgorithm::SAMPLE_RATE;
[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: `myalgorithm::MAX_FREQ`
[INFO] [stdout]  --> src/ui.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use myalgorithm::MAX_FREQ;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `last_update` and `interpolation` are never read
[INFO] [stdout]   --> src/app.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct SpectrumApp {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 11 |     last_update: Instant,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 12 |     frame_buffer: Vec<f32>,    // 添加帧缓冲
[INFO] [stdout] 13 |     interpolation: f32,        // 添加插值因子
[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 `show_device_switcher` is never used
[INFO] [stdout]   --> src/app.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl SpectrumApp {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn show_device_switcher(&self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `host` is never read
[INFO] [stdout]  --> src/audio/device.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct AudioDeviceManager {
[INFO] [stdout]   |            ------------------ field in this struct
[INFO] [stdout] 5 |     host: Host,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `find_loopback_device` is never used
[INFO] [stdout]   --> src/audio/device.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl AudioDeviceManager {
[INFO] [stdout]    | ----------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn find_loopback_device(&self) -> Option<Device> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Standard` is never constructed
[INFO] [stdout]   --> src/spectrum.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub enum Resolution {
[INFO] [stdout]    |          ---------- variant in this enum
[INFO] [stdout] 11 |     Standard,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Resolution` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `low`, `high`, `y1`, and `y2` are never read
[INFO] [stdout]   --> src/spectrum.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct BandpassFilter {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] 16 |     low: f32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 17 |     high: f32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 18 |     y1: f32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 19 |     y2: f32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `process` is never used
[INFO] [stdout]   --> src/spectrum.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl BandpassFilter {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 32 |     fn process(&mut self, x: f32, sample_rate: f32) -> f32 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `filters`, `resolution`, and `sample_rate` are never read
[INFO] [stdout]   --> src/spectrum.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub struct SpectrumAnalyzer {
[INFO] [stdout]    |            ---------------- fields in this struct
[INFO] [stdout] 46 |     filters: Vec<BandpassFilter>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 47 |     fft_planner: FftPlanner<f32>,
[INFO] [stdout] 48 |     resolution: Resolution,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 49 |     sample_rate: f32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `compute_band_levels` is never used
[INFO] [stdout]    --> src/spectrum.rs:123:8
[INFO] [stdout]     |
[INFO] [stdout]  52 | impl SpectrumAnalyzer {
[INFO] [stdout]     | --------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 123 |     fn compute_band_levels(&mut self, samples: &[f32]) -> Vec<f32> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `apply_bandpass` is never used
[INFO] [stdout]    --> src/spectrum.rs:162:4
[INFO] [stdout]     |
[INFO] [stdout] 162 | fn apply_bandpass(samples: &[f32], low: f32, high: f32, sample_rate: f32) -> Vec<f32> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_frequency_band_color` is never used
[INFO] [stdout]   --> src/ui.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn get_frequency_band_color(_freq: f32, intensity: f32) -> Color32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "d96def9c8ef7be16d51f3ce1a5bd0ed68e7180c621ad6abaefb953ada1738661", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d96def9c8ef7be16d51f3ce1a5bd0ed68e7180c621ad6abaefb953ada1738661", kill_on_drop: false }`
[INFO] [stdout] d96def9c8ef7be16d51f3ce1a5bd0ed68e7180c621ad6abaefb953ada1738661
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c0d2cef5d4896a7fb07f234075002da8835dd91444ac92e1b9e224ef86f9b171
[INFO] running `Command { std: "docker" "start" "-a" "c0d2cef5d4896a7fb07f234075002da8835dd91444ac92e1b9e224ef86f9b171", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `myalgorithm::SAMPLE_RATE`
[INFO] [stderr]  --> src/ui.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use myalgorithm::SAMPLE_RATE;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `myalgorithm::MAX_FREQ`
[INFO] [stderr]  --> src/ui.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use myalgorithm::MAX_FREQ;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `last_update` and `interpolation` are never read
[INFO] [stderr]   --> src/app.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr]  8 | pub struct SpectrumApp {
[INFO] [stderr]    |            ----------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 11 |     last_update: Instant,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 12 |     frame_buffer: Vec<f32>,    // 添加帧缓冲
[INFO] [stderr] 13 |     interpolation: f32,        // 添加插值因子
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `show_device_switcher` is never used
[INFO] [stderr]   --> src/app.rs:44:12
[INFO] [stderr]    |
[INFO] [stderr] 18 | impl SpectrumApp {
[INFO] [stderr]    | ---------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 44 |     pub fn show_device_switcher(&self) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `host` is never read
[INFO] [stderr]  --> src/audio/device.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct AudioDeviceManager {
[INFO] [stderr]   |            ------------------ field in this struct
[INFO] [stderr] 5 |     host: Host,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `find_loopback_device` is never used
[INFO] [stderr]   --> src/audio/device.rs:52:12
[INFO] [stderr]    |
[INFO] [stderr] 20 | impl AudioDeviceManager {
[INFO] [stderr]    | ----------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 52 |     pub fn find_loopback_device(&self) -> Option<Device> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Standard` is never constructed
[INFO] [stderr]   --> src/spectrum.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub enum Resolution {
[INFO] [stderr]    |          ---------- variant in this enum
[INFO] [stderr] 11 |     Standard,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Resolution` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `low`, `high`, `y1`, and `y2` are never read
[INFO] [stderr]   --> src/spectrum.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub struct BandpassFilter {
[INFO] [stderr]    |            -------------- fields in this struct
[INFO] [stderr] 16 |     low: f32,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 17 |     high: f32,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 18 |     y1: f32,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 19 |     y2: f32,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `process` is never used
[INFO] [stderr]   --> src/spectrum.rs:32:8
[INFO] [stderr]    |
[INFO] [stderr] 22 | impl BandpassFilter {
[INFO] [stderr]    | ------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 32 |     fn process(&mut self, x: f32, sample_rate: f32) -> f32 {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `filters`, `resolution`, and `sample_rate` are never read
[INFO] [stderr]   --> src/spectrum.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub struct SpectrumAnalyzer {
[INFO] [stderr]    |            ---------------- fields in this struct
[INFO] [stderr] 46 |     filters: Vec<BandpassFilter>,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 47 |     fft_planner: FftPlanner<f32>,
[INFO] [stderr] 48 |     resolution: Resolution,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 49 |     sample_rate: f32,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `compute_band_levels` is never used
[INFO] [stderr]    --> src/spectrum.rs:123:8
[INFO] [stderr]     |
[INFO] [stderr]  52 | impl SpectrumAnalyzer {
[INFO] [stderr]     | --------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 123 |     fn compute_band_levels(&mut self, samples: &[f32]) -> Vec<f32> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `apply_bandpass` is never used
[INFO] [stderr]    --> src/spectrum.rs:162:4
[INFO] [stderr]     |
[INFO] [stderr] 162 | fn apply_bandpass(samples: &[f32], low: f32, high: f32, sample_rate: f32) -> Vec<f32> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_frequency_band_color` is never used
[INFO] [stderr]   --> src/ui.rs:75:4
[INFO] [stderr]    |
[INFO] [stderr] 75 | fn get_frequency_band_color(_freq: f32, intensity: f32) -> Color32 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_spectrum_analyse` (bin "rust_spectrum_analyse" test) generated 13 warnings (run `cargo fix --bin "rust_spectrum_analyse" -p rust_spectrum_analyse --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_spectrum_analyse-bc804140abea44b0)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c0d2cef5d4896a7fb07f234075002da8835dd91444ac92e1b9e224ef86f9b171", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0d2cef5d4896a7fb07f234075002da8835dd91444ac92e1b9e224ef86f9b171", kill_on_drop: false }`
[INFO] [stdout] c0d2cef5d4896a7fb07f234075002da8835dd91444ac92e1b9e224ef86f9b171
