[INFO] cloning repository https://github.com/delta-summer-camp-team/delta-synth
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/delta-summer-camp-team/delta-synth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdelta-summer-camp-team%2Fdelta-synth", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdelta-summer-camp-team%2Fdelta-synth'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c5c3de67b3be25a78efd87cf3e6892c266dddc63
[INFO] checking delta-summer-camp-team/delta-synth against try#6757d700f93f6d16c8b39cf79e96b019bd570e7d for pr-155299
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdelta-summer-camp-team%2Fdelta-synth" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/delta-summer-camp-team/delta-synth
[INFO] finished tweaking git repo https://github.com/delta-summer-camp-team/delta-synth
[INFO] tweaked toml for git repo https://github.com/delta-summer-camp-team/delta-synth written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/delta-summer-camp-team/delta-synth on toolchain 6757d700f93f6d16c8b39cf79e96b019bd570e7d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6757d700f93f6d16c8b39cf79e96b019bd570e7d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/delta-summer-camp-team/delta-synth 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" "+6757d700f93f6d16c8b39cf79e96b019bd570e7d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 windows-interface v0.56.0
[INFO] [stderr]   Downloaded midir v0.10.2
[INFO] [stderr]   Downloaded windows-core v0.56.0
[INFO] [stderr]   Downloaded windows-implement v0.56.0
[INFO] [stderr]   Downloaded coremidi-sys v3.2.0
[INFO] [stderr]   Downloaded coremidi v0.8.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.97
[INFO] [stderr]   Downloaded syn v2.0.105
[INFO] [stderr]   Downloaded windows v0.56.0
[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" "+6757d700f93f6d16c8b39cf79e96b019bd570e7d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f16c419e935b24a223483760a164cf5a77863687fcd28c6d89bcdf977286705
[INFO] running `Command { std: "docker" "start" "-a" "4f16c419e935b24a223483760a164cf5a77863687fcd28c6d89bcdf977286705", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f16c419e935b24a223483760a164cf5a77863687fcd28c6d89bcdf977286705", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f16c419e935b24a223483760a164cf5a77863687fcd28c6d89bcdf977286705", kill_on_drop: false }`
[INFO] [stdout] 4f16c419e935b24a223483760a164cf5a77863687fcd28c6d89bcdf977286705
[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" "+6757d700f93f6d16c8b39cf79e96b019bd570e7d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a47ae99448cc3e577e7e77d6e0145d7ad683969d68e4889db6ce16dc2401272d
[INFO] running `Command { std: "docker" "start" "-a" "a47ae99448cc3e577e7e77d6e0145d7ad683969d68e4889db6ce16dc2401272d", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.99
[INFO] [stderr]     Checking atomic_float v1.1.0
[INFO] [stderr]     Checking alsa v0.9.1
[INFO] [stderr]     Checking cpal v0.16.0
[INFO] [stderr]     Checking midir v0.10.2
[INFO] [stderr]     Checking delta-synth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `delay`
[INFO] [stdout]  --> src/audiomodules/delay.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::audiomodules::{delay, AudioModule};
[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: `audiomodules::glide`
[INFO] [stdout]  --> src/audiomodules/glide.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{audiomodules::glide, synth_state::SynthState};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `mini_oscilatorsa` should have an upper camel case name
[INFO] [stdout]  --> src/audiomodules/oscillator.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct mini_oscilatorsa {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `MiniOscilatorsa`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `delay`
[INFO] [stdout]  --> src/audiomodules/delay.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::audiomodules::{delay, AudioModule};
[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: `audiomodules::glide`
[INFO] [stdout]  --> src/audiomodules/glide.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{audiomodules::glide, synth_state::SynthState};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `mini_oscilatorsa` should have an upper camel case name
[INFO] [stdout]  --> src/audiomodules/oscillator.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct mini_oscilatorsa {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `MiniOscilatorsa`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/midi_service.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 |   let mut input = String::new();
[INFO] [stdout]    |       ----^^^^^
[INFO] [stdout]    |       |
[INFO] [stdout]    |       help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/midi_service.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 |   let mut input = String::new();
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/midi_service.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 |   let mut input = String::new();
[INFO] [stdout]    |       ----^^^^^
[INFO] [stdout]    |       |
[INFO] [stdout]    |       help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/midi_service.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 |   let mut input = String::new();
[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: constant `MAX_LFO_FREQ` is never used
[INFO] [stdout]  --> src/audiomodules/chorus.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const MAX_LFO_FREQ: f32=5.0;
[INFO] [stdout]   |       ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_VAR_SEC` is never used
[INFO] [stdout]  --> src/audiomodules/chorus.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const MAX_VAR_SEC: f32=0.01;
[INFO] [stdout]   |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_DELAY_SEC` is never used
[INFO] [stdout]  --> src/audiomodules/chorus.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const MAX_DELAY_SEC: f32=0.05;
[INFO] [stdout]   |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Chorus` is never constructed
[INFO] [stdout]  --> src/audiomodules/chorus.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Chorus {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `push_to_buffer`, and `read_fractional` are never used
[INFO] [stdout]   --> src/audiomodules/chorus.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl Chorus {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 21 |   pub fn new(sample_rate: f32, max_delay_ms: f32,  lfo_phase: f32, synthstate:Arc<SynthState>) -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |   fn push_to_buffer(&mut self, x: f32) {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     fn read_fractional(&self, delay_samples: f32) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_DELAY_SEC` is never used
[INFO] [stdout]  --> src/audiomodules/delay.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const MAX_DELAY_SEC: f32 = 1.5; 
[INFO] [stdout]   |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Delay` is never constructed
[INFO] [stdout]  --> src/audiomodules/delay.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Delay {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/audiomodules/delay.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Delay {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 16 |   pub fn new(sample_rate: f32, max_delay_sec: f32, synthstate:Arc<SynthState>) -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX` is never used
[INFO] [stdout]  --> src/audiomodules/gain.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const MAX:f32 =3.0;
[INFO] [stdout]   |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Gain` is never constructed
[INFO] [stdout]  --> src/audiomodules/gain.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Gain {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `sigmoid` are never used
[INFO] [stdout]   --> src/audiomodules/gain.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Gain {
[INFO] [stdout]    | --------- associated functions in this implementation
[INFO] [stdout] 11 |   pub fn new(synthstate:Arc<SynthState>) -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |   fn sigmoid(x: f32) -> f32 {
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LowPassFilter` is never constructed
[INFO] [stdout]  --> src/audiomodules/low_pass_filter.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct LowPassFilter {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `update_coeffs`, and `filter` are never used
[INFO] [stdout]   --> src/audiomodules/low_pass_filter.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl LowPassFilter {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] 22 |     pub fn new(synthstate: Arc<SynthState>, sample_rate: f32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     fn update_coeffs(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |     fn filter(&mut self, x: f32) -> f32 {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `decay_time` is never read
[INFO] [stdout]  --> src/audiomodules/reverb.rs:5:3
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct ReverbEffect {
[INFO] [stdout]   |            ------------ field in this struct
[INFO] [stdout] 4 |   dry_wet_mix: f32,
[INFO] [stdout] 5 |   decay_time: f32,
[INFO] [stdout]   |   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `gain_multiply_by`, `chorus_base_delay_sec`, `chorus_variation_sec`, `chorus_feedback`, and `chorus_mix` are never read
[INFO] [stdout]   --> src/synth_state.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct SynthState {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub gain_multiply_by: AtomicU8,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub chorus_base_delay_sec: AtomicU8,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 38 |     pub chorus_variation_sec: AtomicU8,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 39 |     pub chorus_feedback: AtomicU8,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 40 |     pub chorus_mix: AtomicU8,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused comparison that must be used
[INFO] [stdout]   --> src/audiomodules/delay.rs:35:7
[INFO] [stdout]    |
[INFO] [stdout] 35 |       delay_time==0.01;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^ the comparison produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 35 |       let _ = delay_time==0.01;
[INFO] [stdout]    |       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_LFO_FREQ` is never used
[INFO] [stdout]  --> src/audiomodules/chorus.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const MAX_LFO_FREQ: f32=5.0;
[INFO] [stdout]   |       ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_VAR_SEC` is never used
[INFO] [stdout]  --> src/audiomodules/chorus.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const MAX_VAR_SEC: f32=0.01;
[INFO] [stdout]   |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_DELAY_SEC` is never used
[INFO] [stdout]  --> src/audiomodules/chorus.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const MAX_DELAY_SEC: f32=0.05;
[INFO] [stdout]   |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Chorus` is never constructed
[INFO] [stdout]  --> src/audiomodules/chorus.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Chorus {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `push_to_buffer`, and `read_fractional` are never used
[INFO] [stdout]   --> src/audiomodules/chorus.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl Chorus {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 21 |   pub fn new(sample_rate: f32, max_delay_ms: f32,  lfo_phase: f32, synthstate:Arc<SynthState>) -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |   fn push_to_buffer(&mut self, x: f32) {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     fn read_fractional(&self, delay_samples: f32) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_DELAY_SEC` is never used
[INFO] [stdout]  --> src/audiomodules/delay.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const MAX_DELAY_SEC: f32 = 1.5; 
[INFO] [stdout]   |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Delay` is never constructed
[INFO] [stdout]  --> src/audiomodules/delay.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Delay {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/audiomodules/delay.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Delay {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 16 |   pub fn new(sample_rate: f32, max_delay_sec: f32, synthstate:Arc<SynthState>) -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX` is never used
[INFO] [stdout]  --> src/audiomodules/gain.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const MAX:f32 =3.0;
[INFO] [stdout]   |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Gain` is never constructed
[INFO] [stdout]  --> src/audiomodules/gain.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Gain {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `sigmoid` are never used
[INFO] [stdout]   --> src/audiomodules/gain.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Gain {
[INFO] [stdout]    | --------- associated functions in this implementation
[INFO] [stdout] 11 |   pub fn new(synthstate:Arc<SynthState>) -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |   fn sigmoid(x: f32) -> f32 {
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LowPassFilter` is never constructed
[INFO] [stdout]  --> src/audiomodules/low_pass_filter.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct LowPassFilter {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `update_coeffs`, and `filter` are never used
[INFO] [stdout]   --> src/audiomodules/low_pass_filter.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl LowPassFilter {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] 22 |     pub fn new(synthstate: Arc<SynthState>, sample_rate: f32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     fn update_coeffs(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |     fn filter(&mut self, x: f32) -> f32 {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `decay_time` is never read
[INFO] [stdout]  --> src/audiomodules/reverb.rs:5:3
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct ReverbEffect {
[INFO] [stdout]   |            ------------ field in this struct
[INFO] [stdout] 4 |   dry_wet_mix: f32,
[INFO] [stdout] 5 |   decay_time: f32,
[INFO] [stdout]   |   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `gain_multiply_by`, `chorus_base_delay_sec`, `chorus_variation_sec`, `chorus_feedback`, and `chorus_mix` are never read
[INFO] [stdout]   --> src/synth_state.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct SynthState {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub gain_multiply_by: AtomicU8,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub chorus_base_delay_sec: AtomicU8,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 38 |     pub chorus_variation_sec: AtomicU8,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 39 |     pub chorus_feedback: AtomicU8,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 40 |     pub chorus_mix: AtomicU8,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused comparison that must be used
[INFO] [stdout]   --> src/audiomodules/delay.rs:35:7
[INFO] [stdout]    |
[INFO] [stdout] 35 |       delay_time==0.01;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^ the comparison produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 35 |       let _ = delay_time==0.01;
[INFO] [stdout]    |       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "a47ae99448cc3e577e7e77d6e0145d7ad683969d68e4889db6ce16dc2401272d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a47ae99448cc3e577e7e77d6e0145d7ad683969d68e4889db6ce16dc2401272d", kill_on_drop: false }`
[INFO] [stdout] a47ae99448cc3e577e7e77d6e0145d7ad683969d68e4889db6ce16dc2401272d
