[INFO] cloning repository https://github.com/jimktrains/synth
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jimktrains/synth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimktrains%2Fsynth", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimktrains%2Fsynth'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dd33b8b9edff8f917297484747c64727a0244a62
[INFO] checking jimktrains/synth against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimktrains%2Fsynth" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jimktrains/synth on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jimktrains/synth
[INFO] finished tweaking git repo https://github.com/jimktrains/synth
[INFO] tweaked toml for git repo https://github.com/jimktrains/synth written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/jimktrains/synth already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 603c912e5d2200be0608afc197bfcaf8b1bc30af708f6a64291c2672977a1b27
[INFO] running `Command { std: "docker" "start" "-a" "603c912e5d2200be0608afc197bfcaf8b1bc30af708f6a64291c2672977a1b27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "603c912e5d2200be0608afc197bfcaf8b1bc30af708f6a64291c2672977a1b27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "603c912e5d2200be0608afc197bfcaf8b1bc30af708f6a64291c2672977a1b27", kill_on_drop: false }`
[INFO] [stdout] 603c912e5d2200be0608afc197bfcaf8b1bc30af708f6a64291c2672977a1b27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1cc951440a90db173c6c1cb97108751c8ef4e4c2c9611518a150b7a30358257
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f1cc951440a90db173c6c1cb97108751c8ef4e4c2c9611518a150b7a30358257", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling cpal v0.13.3
[INFO] [stderr]     Checking riff v1.0.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking lock_api v0.4.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]     Checking wav v0.6.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking tui v0.14.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking alsa v0.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling argh_derive v0.1.4
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking argh v0.1.4
[INFO] [stderr]     Checking jsynth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/osc/wave_table_osc.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IndexMut`, `Index`
[INFO] [stdout]  --> src/out/cpal_out.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::ops::{Index, IndexMut};
[INFO] [stdout]   |                ^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::mpsc::channel`
[INFO] [stdout]  --> src/out/cpal_out.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::sync::mpsc::channel;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::mpsc::Sender`
[INFO] [stdout]  --> src/out/cpal_out.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::mpsc::Sender;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::mpsc::TryRecvError`
[INFO] [stdout]  --> src/out/cpal_out.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::sync::mpsc::TryRecvError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::util::Component`
[INFO] [stdout]   --> src/out/cpal_out.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::util::Component;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::RwLock`
[INFO] [stdout]   --> src/ui.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::sync::RwLock;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]   --> src/ui.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::thread;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Axis`, `BarChart`, `Canvas`, `Chart`, `Dataset`, `Frame`, `LineGauge`, `Line`, `MapResolution`, `Map`, `Rect`, `Rectangle`, `Row`, `Table`, `Tabs`, `Wrap`
[INFO] [stdout]   --> src/ui.rs:22:45
[INFO] [stdout]    |
[INFO] [stdout] 22 |     layout::{Constraint, Direction, Layout, Rect},
[INFO] [stdout]    |                                             ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     widgets::canvas::{Canvas, Line, Map, MapResolution, Rectangle},
[INFO] [stdout]    |                       ^^^^^^  ^^^^  ^^^  ^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 27 |     widgets::{
[INFO] [stdout] 28 |         Axis, BarChart, Block, Borders, Chart, Dataset, Gauge, LineGauge, List, ListItem,
[INFO] [stdout]    |         ^^^^  ^^^^^^^^                  ^^^^^  ^^^^^^^         ^^^^^^^^^
[INFO] [stdout] 29 |         Paragraph, Row, Sparkline, Table, Tabs, Wrap,
[INFO] [stdout]    |                    ^^^             ^^^^^  ^^^^  ^^^^
[INFO] [stdout] 30 |     },
[INFO] [stdout] 31 |     Frame,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::mpsc::channel`
[INFO] [stdout]   --> src/ui.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | use std::sync::mpsc::channel;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SQ16_0`, `SQ1_31`, `SQ32_0`
[INFO] [stdout]  --> src/util.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::fixed::{SQ16_0, SQ1_31, SQ32_0};
[INFO] [stdout]   |                    ^^^^^^  ^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cpal::StreamInstant`
[INFO] [stdout]  --> src/util.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use cpal::StreamInstant;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/osc/wave_table_osc.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IndexMut`, `Index`
[INFO] [stdout]  --> src/out/cpal_out.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::ops::{Index, IndexMut};
[INFO] [stdout]   |                ^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::mpsc::channel`
[INFO] [stdout]  --> src/out/cpal_out.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::sync::mpsc::channel;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::mpsc::Sender`
[INFO] [stdout]  --> src/out/cpal_out.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::mpsc::Sender;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::mpsc::TryRecvError`
[INFO] [stdout]  --> src/out/cpal_out.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::sync::mpsc::TryRecvError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::util::Component`
[INFO] [stdout]   --> src/out/cpal_out.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::util::Component;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::RwLock`
[INFO] [stdout]   --> src/ui.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::sync::RwLock;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]   --> src/ui.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::thread;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Axis`, `BarChart`, `Canvas`, `Chart`, `Dataset`, `Frame`, `LineGauge`, `Line`, `MapResolution`, `Map`, `Rect`, `Rectangle`, `Row`, `Table`, `Tabs`, `Wrap`
[INFO] [stdout]   --> src/ui.rs:22:45
[INFO] [stdout]    |
[INFO] [stdout] 22 |     layout::{Constraint, Direction, Layout, Rect},
[INFO] [stdout]    |                                             ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     widgets::canvas::{Canvas, Line, Map, MapResolution, Rectangle},
[INFO] [stdout]    |                       ^^^^^^  ^^^^  ^^^  ^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 27 |     widgets::{
[INFO] [stdout] 28 |         Axis, BarChart, Block, Borders, Chart, Dataset, Gauge, LineGauge, List, ListItem,
[INFO] [stdout]    |         ^^^^  ^^^^^^^^                  ^^^^^  ^^^^^^^         ^^^^^^^^^
[INFO] [stdout] 29 |         Paragraph, Row, Sparkline, Table, Tabs, Wrap,
[INFO] [stdout]    |                    ^^^             ^^^^^  ^^^^  ^^^^
[INFO] [stdout] 30 |     },
[INFO] [stdout] 31 |     Frame,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::mpsc::channel`
[INFO] [stdout]   --> src/ui.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | use std::sync::mpsc::channel;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SQ16_0`, `SQ1_31`, `SQ32_0`
[INFO] [stdout]  --> src/util.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::fixed::{SQ16_0, SQ1_31, SQ32_0};
[INFO] [stdout]   |                    ^^^^^^  ^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cpal::StreamInstant`
[INFO] [stdout]  --> src/util.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use cpal::StreamInstant;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `backend::Backend`
[INFO] [stdout]   --> src/ui.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     backend::Backend,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `set_measured_xtime`
[INFO] [stdout]    --> src/audio.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 102 |     set_measured_xtime: Arc<AtomicU64>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_set_measured_xtime`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target_inc`
[INFO] [stdout]    --> src/audio.rs:103:5
[INFO] [stdout]     |
[INFO] [stdout] 103 |     target_inc: u128,
[INFO] [stdout]     |     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_target_inc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/osc/func_osc.rs:68:14
[INFO] [stdout]    |
[INFO] [stdout] 68 |         fn f(i: u32) -> i16 {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `last_s` is never read
[INFO] [stdout]   --> src/out/cpal_out.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 last_s = samp;
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_s`
[INFO] [stdout]   --> src/out/cpal_out.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 last_s = samp;
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: did you mean to capture by reference instead?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/audio.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |     let mut wto1o = osc::WaveTableOsc::square(ipc_64_map, 69);
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/audio.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |     let mut vca1 = amp::Vca::new(i16::max_value());
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/audio.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |     let mut beat_len = Arc::new(RwLock::new([128; 16]));
[INFO] [stdout]     |         ----^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/audio.rs:152:9
[INFO] [stdout]     |
[INFO] [stdout] 152 |     let mut seq1 = seq::BasicSeq::new(Arc::clone(&beats), Arc::clone(&beat_len));
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/audio.rs:154:9
[INFO] [stdout]     |
[INFO] [stdout] 154 |     let mut vca1o = amp::Vca::new(i16::max_value());
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/audio.rs:163:9
[INFO] [stdout]     |
[INFO] [stdout] 163 |     let mut obeats = [false; 16];
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/audio.rs:172:9
[INFO] [stdout]     |
[INFO] [stdout] 172 |     let mut obeat_len = Arc::new(RwLock::new([64; 16]));
[INFO] [stdout]     |         ----^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/audio.rs:173:9
[INFO] [stdout]     |
[INFO] [stdout] 173 |     let mut seq1o = seq::BasicSeq::new(Arc::clone(&obeats), Arc::clone(&obeat_len));
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `backend::Backend`
[INFO] [stdout]   --> src/ui.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     backend::Backend,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `set_measured_xtime`
[INFO] [stdout]    --> src/audio.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 102 |     set_measured_xtime: Arc<AtomicU64>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_set_measured_xtime`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target_inc`
[INFO] [stdout]    --> src/audio.rs:103:5
[INFO] [stdout]     |
[INFO] [stdout] 103 |     target_inc: u128,
[INFO] [stdout]     |     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_target_inc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/osc/func_osc.rs:68:14
[INFO] [stdout]    |
[INFO] [stdout] 68 |         fn f(i: u32) -> i16 {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `last_s` is never read
[INFO] [stdout]   --> src/out/cpal_out.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 last_s = samp;
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_s`
[INFO] [stdout]   --> src/out/cpal_out.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 last_s = samp;
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: did you mean to capture by reference instead?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/audio.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |     let mut wto1o = osc::WaveTableOsc::square(ipc_64_map, 69);
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/audio.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |     let mut vca1 = amp::Vca::new(i16::max_value());
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/audio.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |     let mut beat_len = Arc::new(RwLock::new([128; 16]));
[INFO] [stdout]     |         ----^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/audio.rs:152:9
[INFO] [stdout]     |
[INFO] [stdout] 152 |     let mut seq1 = seq::BasicSeq::new(Arc::clone(&beats), Arc::clone(&beat_len));
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/audio.rs:154:9
[INFO] [stdout]     |
[INFO] [stdout] 154 |     let mut vca1o = amp::Vca::new(i16::max_value());
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/audio.rs:163:9
[INFO] [stdout]     |
[INFO] [stdout] 163 |     let mut obeats = [false; 16];
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/audio.rs:172:9
[INFO] [stdout]     |
[INFO] [stdout] 172 |     let mut obeat_len = Arc::new(RwLock::new([64; 16]));
[INFO] [stdout]     |         ----^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/audio.rs:173:9
[INFO] [stdout]     |
[INFO] [stdout] 173 |     let mut seq1o = seq::BasicSeq::new(Arc::clone(&obeats), Arc::clone(&obeat_len));
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `AUDIO_BUFFER_LEN`
[INFO] [stdout]   --> src/audio.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub const AUDIO_BUFFER_LEN: u64 = 512;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FuncOsc`
[INFO] [stdout]   --> src/audio.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     FuncOsc(osc::FuncOsc),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/osc/func_osc.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn new(f: fn(u32) -> i16, init_freq_ipc_64: u32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `saw`
[INFO] [stdout]   --> src/osc/func_osc.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn saw(init_freq_ipc_64: u32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `f`
[INFO] [stdout]   --> src/osc/func_osc.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |         fn f(i: u32) -> i16 {
[INFO] [stdout]    |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `triangle`
[INFO] [stdout]   --> src/osc/func_osc.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn triangle(init_freq_ipc_64: u32) -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `f`
[INFO] [stdout]   --> src/osc/func_osc.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |         fn f(i: u32) -> i16 {
[INFO] [stdout]    |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `white_noise`
[INFO] [stdout]   --> src/osc/func_osc.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn white_noise(init_freq_ipc_64: u32) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `f`
[INFO] [stdout]   --> src/osc/func_osc.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 68 |         fn f(i: u32) -> i16 {
[INFO] [stdout]    |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `square`
[INFO] [stdout]   --> src/osc/func_osc.rs:80:12
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn square(init_freq_ipc_64: u32) -> Self {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `f`
[INFO] [stdout]   --> src/osc/func_osc.rs:81:12
[INFO] [stdout]    |
[INFO] [stdout] 81 |         fn f(i: u32) -> i16 {
[INFO] [stdout]    |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Saw`
[INFO] [stdout]   --> src/osc/wave_table_osc.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 |     Saw,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Triangle`
[INFO] [stdout]   --> src/osc/wave_table_osc.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 |     Triangle,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `WhiteNoise`
[INFO] [stdout]   --> src/osc/wave_table_osc.rs:86:5
[INFO] [stdout]    |
[INFO] [stdout] 86 |     WhiteNoise,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `saw`
[INFO] [stdout]    --> src/osc/wave_table_osc.rs:152:12
[INFO] [stdout]     |
[INFO] [stdout] 152 |     pub fn saw(ipc_64_map: [u32; 256], init_freq: i16) -> WaveTableOsc {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `triangle`
[INFO] [stdout]    --> src/osc/wave_table_osc.rs:160:12
[INFO] [stdout]     |
[INFO] [stdout] 160 |     pub fn triangle(ipc_64_map: [u32; 256], init_freq: i16) -> WaveTableOsc {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `white_noise`
[INFO] [stdout]    --> src/osc/wave_table_osc.rs:177:12
[INFO] [stdout]     |
[INFO] [stdout] 177 |     pub fn white_noise(ipc_64_map: [u32; 256], init_freq: i16) -> WaveTableOsc {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `stream`
[INFO] [stdout]   --> src/out/cpal_out.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     stream: Arc<dyn StreamTrait>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `dummy`
[INFO] [stdout]   --> src/out/cpal_out.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     dummy: i16,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cv_in`
[INFO] [stdout]   --> src/out/cpal_out.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     cv_in: i16,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `block_counter`
[INFO] [stdout]   --> src/rvb/basic_reverb.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     block_counter: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `half_beat`
[INFO] [stdout]   --> src/seq/basic.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     half_beat: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/tui_util.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn new(lower: u64, upper: u64) -> RandomSignal {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/tui_util.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn new(interval: f64, period: f64, scale: f64) -> SinSignal {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `TabsState`
[INFO] [stdout]   --> src/tui_util.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub struct TabsState<'a> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/tui_util.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn new(titles: Vec<&'a str>) -> TabsState {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next`
[INFO] [stdout]   --> src/tui_util.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn next(&mut self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `previous`
[INFO] [stdout]   --> src/tui_util.rs:80:12
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn previous(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/tui_util.rs:95:12
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn new() -> StatefulList {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `unselect`
[INFO] [stdout]    --> src/tui_util.rs:129:12
[INFO] [stdout]     |
[INFO] [stdout] 129 |     pub fn unselect(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `input_handle`
[INFO] [stdout]    --> src/tui_util.rs:143:5
[INFO] [stdout]     |
[INFO] [stdout] 143 |     input_handle: thread::JoinHandle<()>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ignore_exit_key`
[INFO] [stdout]    --> src/tui_util.rs:144:5
[INFO] [stdout]     |
[INFO] [stdout] 144 |     ignore_exit_key: Arc<AtomicBool>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tick_handle`
[INFO] [stdout]    --> src/tui_util.rs:145:5
[INFO] [stdout]     |
[INFO] [stdout] 145 |     tick_handle: thread::JoinHandle<()>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `disable_exit_key`
[INFO] [stdout]    --> src/tui_util.rs:204:12
[INFO] [stdout]     |
[INFO] [stdout] 204 |     pub fn disable_exit_key(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `enable_exit_key`
[INFO] [stdout]    --> src/tui_util.rs:208:12
[INFO] [stdout]     |
[INFO] [stdout] 208 |     pub fn enable_exit_key(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Freq`
[INFO] [stdout]   --> src/ui.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     Freq(i16),
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `quarter_point_per_32nd_node`
[INFO] [stdout]   --> src/util.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn quarter_point_per_32nd_node(tempo: f64) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 63 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `AUDIO_BUFFER_LEN`
[INFO] [stdout]   --> src/audio.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub const AUDIO_BUFFER_LEN: u64 = 512;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FuncOsc`
[INFO] [stdout]   --> src/audio.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     FuncOsc(osc::FuncOsc),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/osc/func_osc.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn new(f: fn(u32) -> i16, init_freq_ipc_64: u32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `saw`
[INFO] [stdout]   --> src/osc/func_osc.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn saw(init_freq_ipc_64: u32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `f`
[INFO] [stdout]   --> src/osc/func_osc.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |         fn f(i: u32) -> i16 {
[INFO] [stdout]    |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `triangle`
[INFO] [stdout]   --> src/osc/func_osc.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn triangle(init_freq_ipc_64: u32) -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `f`
[INFO] [stdout]   --> src/osc/func_osc.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |         fn f(i: u32) -> i16 {
[INFO] [stdout]    |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `white_noise`
[INFO] [stdout]   --> src/osc/func_osc.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn white_noise(init_freq_ipc_64: u32) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `f`
[INFO] [stdout]   --> src/osc/func_osc.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 68 |         fn f(i: u32) -> i16 {
[INFO] [stdout]    |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `square`
[INFO] [stdout]   --> src/osc/func_osc.rs:80:12
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn square(init_freq_ipc_64: u32) -> Self {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `f`
[INFO] [stdout]   --> src/osc/func_osc.rs:81:12
[INFO] [stdout]    |
[INFO] [stdout] 81 |         fn f(i: u32) -> i16 {
[INFO] [stdout]    |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Saw`
[INFO] [stdout]   --> src/osc/wave_table_osc.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 |     Saw,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Triangle`
[INFO] [stdout]   --> src/osc/wave_table_osc.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 |     Triangle,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `WhiteNoise`
[INFO] [stdout]   --> src/osc/wave_table_osc.rs:86:5
[INFO] [stdout]    |
[INFO] [stdout] 86 |     WhiteNoise,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `saw`
[INFO] [stdout]    --> src/osc/wave_table_osc.rs:152:12
[INFO] [stdout]     |
[INFO] [stdout] 152 |     pub fn saw(ipc_64_map: [u32; 256], init_freq: i16) -> WaveTableOsc {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `triangle`
[INFO] [stdout]    --> src/osc/wave_table_osc.rs:160:12
[INFO] [stdout]     |
[INFO] [stdout] 160 |     pub fn triangle(ipc_64_map: [u32; 256], init_freq: i16) -> WaveTableOsc {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `white_noise`
[INFO] [stdout]    --> src/osc/wave_table_osc.rs:177:12
[INFO] [stdout]     |
[INFO] [stdout] 177 |     pub fn white_noise(ipc_64_map: [u32; 256], init_freq: i16) -> WaveTableOsc {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `stream`
[INFO] [stdout]   --> src/out/cpal_out.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     stream: Arc<dyn StreamTrait>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `dummy`
[INFO] [stdout]   --> src/out/cpal_out.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     dummy: i16,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cv_in`
[INFO] [stdout]   --> src/out/cpal_out.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     cv_in: i16,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `block_counter`
[INFO] [stdout]   --> src/rvb/basic_reverb.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     block_counter: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `half_beat`
[INFO] [stdout]   --> src/seq/basic.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     half_beat: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/tui_util.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn new(lower: u64, upper: u64) -> RandomSignal {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/tui_util.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn new(interval: f64, period: f64, scale: f64) -> SinSignal {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `TabsState`
[INFO] [stdout]   --> src/tui_util.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub struct TabsState<'a> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/tui_util.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn new(titles: Vec<&'a str>) -> TabsState {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next`
[INFO] [stdout]   --> src/tui_util.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn next(&mut self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `previous`
[INFO] [stdout]   --> src/tui_util.rs:80:12
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn previous(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/tui_util.rs:95:12
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn new() -> StatefulList {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `unselect`
[INFO] [stdout]    --> src/tui_util.rs:129:12
[INFO] [stdout]     |
[INFO] [stdout] 129 |     pub fn unselect(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `input_handle`
[INFO] [stdout]    --> src/tui_util.rs:143:5
[INFO] [stdout]     |
[INFO] [stdout] 143 |     input_handle: thread::JoinHandle<()>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ignore_exit_key`
[INFO] [stdout]    --> src/tui_util.rs:144:5
[INFO] [stdout]     |
[INFO] [stdout] 144 |     ignore_exit_key: Arc<AtomicBool>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tick_handle`
[INFO] [stdout]    --> src/tui_util.rs:145:5
[INFO] [stdout]     |
[INFO] [stdout] 145 |     tick_handle: thread::JoinHandle<()>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `disable_exit_key`
[INFO] [stdout]    --> src/tui_util.rs:204:12
[INFO] [stdout]     |
[INFO] [stdout] 204 |     pub fn disable_exit_key(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `enable_exit_key`
[INFO] [stdout]    --> src/tui_util.rs:208:12
[INFO] [stdout]     |
[INFO] [stdout] 208 |     pub fn enable_exit_key(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Freq`
[INFO] [stdout]   --> src/ui.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     Freq(i16),
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `quarter_point_per_32nd_node`
[INFO] [stdout]   --> src/util.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn quarter_point_per_32nd_node(tempo: f64) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 63 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.94s
[INFO] running `Command { std: "docker" "inspect" "f1cc951440a90db173c6c1cb97108751c8ef4e4c2c9611518a150b7a30358257", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1cc951440a90db173c6c1cb97108751c8ef4e4c2c9611518a150b7a30358257", kill_on_drop: false }`
[INFO] [stdout] f1cc951440a90db173c6c1cb97108751c8ef4e4c2c9611518a150b7a30358257