[INFO] cloning repository https://github.com/Devjean-piere/SpotifyAudioDCore
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Devjean-piere/SpotifyAudioDCore" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDevjean-piere%2FSpotifyAudioDCore", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDevjean-piere%2FSpotifyAudioDCore'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f630f15e68a4b191b39e2501f15c53ea8a8d7cdb
[INFO] checking Devjean-piere/SpotifyAudioDCore against 846e51f66b1e7b49ba9e3988c58ccfe5817ce0a9 for pr-164812
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDevjean-piere%2FSpotifyAudioDCore" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Devjean-piere/SpotifyAudioDCore
[INFO] finished tweaking git repo https://github.com/Devjean-piere/SpotifyAudioDCore
[INFO] tweaked toml for git repo https://github.com/Devjean-piere/SpotifyAudioDCore written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Devjean-piere/SpotifyAudioDCore on toolchain 846e51f66b1e7b49ba9e3988c58ccfe5817ce0a9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+846e51f66b1e7b49ba9e3988c58ccfe5817ce0a9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Devjean-piere/SpotifyAudioDCore 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" "+846e51f66b1e7b49ba9e3988c58ccfe5817ce0a9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused build dependency `vergen`
[INFO] [stderr]  --> Cargo.toml:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | vergen = "=9.0.6"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `vergen`
[INFO] [stderr] warning: `spotifyAudioD` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vergen v9.0.6
[INFO] [stderr]   Downloaded derive_builder v0.20.2
[INFO] [stderr]   Downloaded tokio-macros v2.7.2
[INFO] [stderr]   Downloaded vergen-lib v0.1.6
[INFO] [stderr]   Downloaded derive_builder_macro v0.20.2
[INFO] [stderr]   Downloaded jiff-static v0.2.35
[INFO] [stderr]   Downloaded windows-interface v0.59.3
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[INFO] [stderr]   Downloaded utf8_iter v1.0.4
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[INFO] [stderr]   Downloaded openssl-macros v0.1.1
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[INFO] [stderr]   Downloaded foreign-types v0.3.2
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[INFO] [stderr]   Downloaded darling v0.20.11
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[INFO] [stderr]   Downloaded librespot-playback v0.8.0
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[INFO] [stderr]   Downloaded serde_repr v0.1.21
[INFO] [stderr]   Downloaded env_logger v0.11.11
[INFO] [stderr]   Downloaded option-ext v0.2.0
[INFO] [stderr]   Downloaded openssl-sys v0.9.117
[INFO] [stderr]   Downloaded oauth2 v5.0.0
[INFO] [stderr]   Downloaded sysinfo v0.36.1
[INFO] [stderr]   Downloaded aho-corasick v1.1.5
[INFO] [stderr]   Downloaded shell-words v1.1.1
[INFO] [stderr]   Downloaded spinning_top v0.3.0
[INFO] [stderr]   Downloaded librespot-audio v0.8.0
[INFO] [stderr]   Downloaded defmt-macros v1.1.1
[INFO] [stderr]   Downloaded serde_derive v1.0.229
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.128
[INFO] [stderr]   Downloaded r-efi v6.0.0
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[INFO] [stderr]   Downloaded icu_collections v2.3.0
[INFO] [stderr]   Downloaded ryu v1.0.23
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[INFO] [stderr]   Downloaded librespot-discovery v0.8.0
[INFO] [stderr]   Downloaded darling_core v0.20.11
[INFO] [stderr]   Downloaded icu_normalizer_data v2.3.0
[INFO] [stderr]   Downloaded crc32fast v1.5.1
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[INFO] [stderr]   Downloaded rand v0.8.8
[INFO] [stderr]   Downloaded flate2 v1.1.10
[INFO] [stderr]   Downloaded librespot-connect v0.8.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.128
[INFO] [stderr]   Downloaded icu_properties v2.3.0
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[INFO] [stderr]   Downloaded tokio-util v0.7.19
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.57
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[INFO] [stderr]   Downloaded windows-targets v0.52.6
[INFO] [stderr]   Downloaded num-integer v0.1.47
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[INFO] [stderr]   Downloaded syn v2.0.119
[INFO] [stderr]   Downloaded chrono v0.4.45
[INFO] [stderr]   Downloaded windows-collections v0.2.0
[INFO] [stderr]   Downloaded symphonia v0.5.5
[INFO] [stderr]   Downloaded bitflags v1.3.2
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[INFO] [stderr]   Downloaded data-encoding v2.11.1
[INFO] [stderr]   Downloaded zerocopy v0.8.57
[INFO] [stderr]   Downloaded zlib-rs v0.6.7
[INFO] [stderr]   Downloaded syn v3.0.5
[INFO] [stderr]   Downloaded unicode-width v0.2.2
[INFO] [stderr]   Downloaded openssl v0.10.81
[INFO] [stderr]   Downloaded rustix v1.1.4
[INFO] [stderr]   Downloaded icu_normalizer v2.3.0
[INFO] [stderr]   Downloaded priority-queue v2.7.0
[INFO] [stderr]   Downloaded web-sys v0.3.105
[INFO] [stderr]   Downloaded jiff v0.2.35
[INFO] [stderr]   Downloaded libc v0.2.189
[INFO] [stderr]   Downloaded tokio v1.53.1
[INFO] [stderr]   Downloaded num-iter v0.1.46
[INFO] [stderr]   Downloaded env_filter v2.0.0
[INFO] [stderr]   Downloaded vergen-gitcl v1.0.8
[INFO] [stderr]   Downloaded utf-8 v0.7.6
[INFO] [stderr]   Downloaded windows-link v0.1.3
[INFO] [stderr]   Downloaded tokio-tungstenite v0.28.0
[INFO] [stderr]   Downloaded librespot-metadata v0.8.0
[INFO] [stderr]   Downloaded web-time v1.1.0
[INFO] [stderr]   Downloaded anstyle-wincon v3.0.11
[INFO] [stderr]   Downloaded pkcs1 v0.7.5
[INFO] [stderr]   Downloaded spin v0.9.9
[INFO] [stderr]   Downloaded open v5.4.4
[INFO] [stderr]   Downloaded windows-sys v0.61.2
[INFO] [stderr]   Downloaded objc2-io-kit v0.3.2
[INFO] [stderr]   Downloaded matchit v0.8.4
[INFO] [stderr]   Downloaded symphonia-bundle-mp3 v0.5.5
[INFO] [stderr]   Downloaded headers v0.4.1
[INFO] [stderr]   Downloaded protobuf-codegen v3.7.2
[INFO] [stderr]   Downloaded protobuf-parse v3.7.2
[INFO] [stderr]   Downloaded rsa v0.9.10
[INFO] [stderr]   Downloaded num-bigint v0.4.8
[INFO] [stderr]   Downloaded windows_x86_64_gnullvm v0.52.6
[INFO] [stderr]   Downloaded governor v0.10.4
[INFO] [stderr]   Downloaded regex v1.13.1
[INFO] [stderr]   Downloaded axum v0.8.9
[INFO] [stderr]   Downloaded objc2-core-foundation v0.3.2
[INFO] [stderr]   Downloaded protobuf v3.7.2
[INFO] [stderr]   Downloaded regex-automata v0.4.18
[INFO] [stderr]   Downloaded rustix v0.38.44
[INFO] [stderr]   Downloaded windows_aarch64_gnullvm v0.52.6
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.52.6
[INFO] [stderr]   Downloaded windows_i686_gnullvm v0.52.6
[INFO] [stderr]   Downloaded windows_i686_msvc v0.52.6
[INFO] [stderr]   Downloaded encoding_rs v0.8.41
[INFO] [stderr]   Downloaded windows_i686_gnu v0.52.6
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.52.6
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.52.6
[INFO] [stderr]   Downloaded linux-raw-sys v0.4.15
[INFO] [stderr]   Downloaded windows-sys v0.59.0
[INFO] [stderr]   Downloaded windows v0.61.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:c0af3998e971868164375a7dfb646c9933ddd1a3bdb00fa2041266763dc1eeab" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 7c42382ef09dc3542f918782838dd60c5bea3d0304bbf7da800d39f4f7e36261
[INFO] running `Command { std: "docker" "start" "7c42382ef09dc3542f918782838dd60c5bea3d0304bbf7da800d39f4f7e36261", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c42382ef09dc3542f918782838dd60c5bea3d0304bbf7da800d39f4f7e36261", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7c42382ef09dc3542f918782838dd60c5bea3d0304bbf7da800d39f4f7e36261" "/opt/rustwide/cargo-home/bin/cargo" "+846e51f66b1e7b49ba9e3988c58ccfe5817ce0a9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c42382ef09dc3542f918782838dd60c5bea3d0304bbf7da800d39f4f7e36261", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7c42382ef09dc3542f918782838dd60c5bea3d0304bbf7da800d39f4f7e36261" "/opt/rustwide/cargo-home/bin/cargo" "+846e51f66b1e7b49ba9e3988c58ccfe5817ce0a9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: unused build dependency `vergen`
[INFO] [stderr]  --> Cargo.toml:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | vergen = "=9.0.6"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `vergen`
[INFO] [stderr] warning: `spotifyAudioD` (manifest) generated 1 warning
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling libc v0.2.189
[INFO] [stderr]     Checking cfg-if v1.0.4
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking log v0.4.34
[INFO] [stderr]     Checking smallvec v1.16.1
[INFO] [stderr]    Compiling rustversion v1.0.23
[INFO] [stderr]     Checking bytes v1.12.1
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]     Checking once_cell v1.21.4
[INFO] [stderr]     Checking pin-project-lite v0.2.17
[INFO] [stderr]     Checking itoa v1.0.18
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]     Checking typenum v1.20.1
[INFO] [stderr]     Checking futures-core v0.3.34
[INFO] [stderr]     Checking memchr v2.8.3
[INFO] [stderr]     Checking lock_api v0.4.14
[INFO] [stderr]    Compiling autocfg v1.5.1
[INFO] [stderr]     Checking const-oid v0.9.6
[INFO] [stderr]     Checking stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling libm v0.2.16
[INFO] [stderr]    Compiling shlex v2.0.1
[INFO] [stderr]    Compiling find-msvc-tools v0.1.12
[INFO] [stderr]     Checking futures-sink v0.3.34
[INFO] [stderr]    Compiling pkg-config v0.3.34
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling cc v1.4.5
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]     Checking slab v0.4.12
[INFO] [stderr]    Compiling zerocopy v0.8.57
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]     Checking tracing-core v0.1.36
[INFO] [stderr]     Checking equivalent v1.0.2
[INFO] [stderr]     Checking http v1.5.0
[INFO] [stderr]     Checking bitflags v2.13.2
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]     Checking futures-task v0.3.34
[INFO] [stderr]     Checking futures-io v0.3.34
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]    Compiling anyhow v1.0.104
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]     Checking futures-util v0.3.34
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]     Checking percent-encoding v2.3.2
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking litemap v0.8.3
[INFO] [stderr]     Checking writeable v0.6.4
[INFO] [stderr]     Checking hashbrown v0.17.1
[INFO] [stderr]     Checking http-body v1.1.0
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling syn v3.0.5
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.81
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking spin v0.9.9
[INFO] [stderr]    Compiling getrandom v0.4.3
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking socket2 v0.6.5
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[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/structs.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[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: `std::collections::HashMap`
[INFO] [stdout]  --> src/structs.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[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: `AsyncReadExt`
[INFO] [stdout]  --> src/audio_processing.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use tokio::io::{AsyncReadExt};
[INFO] [stdout]   |                 ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncReadExt`
[INFO] [stdout]  --> src/audio_processing.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use tokio::io::{AsyncReadExt};
[INFO] [stdout]   |                 ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_client_count` and `set_client_volume_percent` are never used
[INFO] [stdout]    --> src/snap_cast.rs:52:18
[INFO] [stdout]     |
[INFO] [stdout]  10 | impl SnapcastClient {
[INFO] [stdout]     | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  52 |     pub async fn get_client_count(&self) -> Result<usize, Box<dyn std::error::Error + Send + Sync>> {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 125 |     pub async fn set_client_volume_percent(
[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 `ClientMuteSetParams` is never constructed
[INFO] [stdout]   --> src/structs.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub struct ClientMuteSetParams {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GraphicEq` is never constructed
[INFO] [stdout]   --> src/eq.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub struct GraphicEq {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `set_gains`, and `process` are never used
[INFO] [stdout]    --> src/eq.rs:93:12
[INFO] [stdout]     |
[INFO] [stdout]  92 | impl GraphicEq {
[INFO] [stdout]     | -------------- associated items in this implementation
[INFO] [stdout]  93 |     pub fn new(sample_rate: f32, frequencies: &[f32]) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 101 |     pub fn set_gains(&mut self, gains: &[f32]) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 107 |     pub fn process(&mut self, input: f32) -> f32 {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Compressor` is never constructed
[INFO] [stdout]  --> src/compressor.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Compressor {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `set_params`, `gen_coeff`, and `process` are never used
[INFO] [stdout]   --> src/compressor.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Compressor {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 13 |     pub fn new(sample_rate: f32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn set_params(&mut self, threshold_db: f32, ratio: f32, attack_ms: f32, release_ms: f32) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     fn gen_coeff(&mut self, attack_ms: f32, release_ms: f32) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn process(&mut self, input: f32) -> f32 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `graph_eq` is never used
[INFO] [stdout]   --> src/dsp.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn graph_eq(
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/tokio_handler.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     get_spotify_spirc(&state).await.unwrap().play();
[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 _unused = ...` to ignore the resulting value without dropping it immediately
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let _unused = get_spotify_spirc(&state).await.unwrap().play();
[INFO] [stdout]    |     +++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/tokio_handler.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     get_spotify_spirc(&state).await.unwrap().pause();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _unused = ...` to ignore the resulting value without dropping it immediately
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let _unused = get_spotify_spirc(&state).await.unwrap().pause();
[INFO] [stdout]    |     +++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/tokio_handler.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     get_spotify_spirc(&state).await.unwrap().play_pause();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _unused = ...` to ignore the resulting value without dropping it immediately
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let _unused = get_spotify_spirc(&state).await.unwrap().play_pause();
[INFO] [stdout]    |     +++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/tokio_handler.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     get_spotify_spirc(&state).await.unwrap().next();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _unused = ...` to ignore the resulting value without dropping it immediately
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let _unused = get_spotify_spirc(&state).await.unwrap().next();
[INFO] [stdout]    |     +++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_client_count` and `set_client_volume_percent` are never used
[INFO] [stdout]    --> src/snap_cast.rs:52:18
[INFO] [stdout]     |
[INFO] [stdout]  10 | impl SnapcastClient {
[INFO] [stdout]     | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  52 |     pub async fn get_client_count(&self) -> Result<usize, Box<dyn std::error::Error + Send + Sync>> {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 125 |     pub async fn set_client_volume_percent(
[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 `ClientMuteSetParams` is never constructed
[INFO] [stdout]   --> src/structs.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub struct ClientMuteSetParams {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GraphicEq` is never constructed
[INFO] [stdout]   --> src/eq.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub struct GraphicEq {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `set_gains`, and `process` are never used
[INFO] [stdout]    --> src/eq.rs:93:12
[INFO] [stdout]     |
[INFO] [stdout]  92 | impl GraphicEq {
[INFO] [stdout]     | -------------- associated items in this implementation
[INFO] [stdout]  93 |     pub fn new(sample_rate: f32, frequencies: &[f32]) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 101 |     pub fn set_gains(&mut self, gains: &[f32]) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 107 |     pub fn process(&mut self, input: f32) -> f32 {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Compressor` is never constructed
[INFO] [stdout]  --> src/compressor.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Compressor {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `set_params`, `gen_coeff`, and `process` are never used
[INFO] [stdout]   --> src/compressor.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Compressor {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 13 |     pub fn new(sample_rate: f32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn set_params(&mut self, threshold_db: f32, ratio: f32, attack_ms: f32, release_ms: f32) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     fn gen_coeff(&mut self, attack_ms: f32, release_ms: f32) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn process(&mut self, input: f32) -> f32 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `graph_eq` is never used
[INFO] [stdout]   --> src/dsp.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn graph_eq(
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/tokio_handler.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     get_spotify_spirc(&state).await.unwrap().play();
[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 _unused = ...` to ignore the resulting value without dropping it immediately
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let _unused = get_spotify_spirc(&state).await.unwrap().play();
[INFO] [stdout]    |     +++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/tokio_handler.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     get_spotify_spirc(&state).await.unwrap().pause();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _unused = ...` to ignore the resulting value without dropping it immediately
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let _unused = get_spotify_spirc(&state).await.unwrap().pause();
[INFO] [stdout]    |     +++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/tokio_handler.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     get_spotify_spirc(&state).await.unwrap().play_pause();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _unused = ...` to ignore the resulting value without dropping it immediately
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let _unused = get_spotify_spirc(&state).await.unwrap().play_pause();
[INFO] [stdout]    |     +++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/tokio_handler.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     get_spotify_spirc(&state).await.unwrap().next();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _unused = ...` to ignore the resulting value without dropping it immediately
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let _unused = get_spotify_spirc(&state).await.unwrap().next();
[INFO] [stdout]    |     +++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 46s
[INFO] running `Command { std: "docker" "inspect" "7c42382ef09dc3542f918782838dd60c5bea3d0304bbf7da800d39f4f7e36261", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c42382ef09dc3542f918782838dd60c5bea3d0304bbf7da800d39f4f7e36261", kill_on_drop: false }`
[INFO] [stdout] 7c42382ef09dc3542f918782838dd60c5bea3d0304bbf7da800d39f4f7e36261