[INFO] cloning repository https://github.com/notryanb/audio_playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/notryanb/audio_playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotryanb%2Faudio_playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotryanb%2Faudio_playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a1d9d8d323290a04c738f7fc9789543c42102317
[INFO] testing notryanb/audio_playground against beta-2025-10-28 for beta-1.92-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotryanb%2Faudio_playground" "/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/notryanb/audio_playground
[INFO] finished tweaking git repo https://github.com/notryanb/audio_playground
[INFO] tweaked toml for git repo https://github.com/notryanb/audio_playground written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/notryanb/audio_playground on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/notryanb/audio_playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 477d4215e3158c03183296332241aee7ee64988ca20a91824955e160f3a40ef9
[INFO] running `Command { std: "docker" "start" "-a" "477d4215e3158c03183296332241aee7ee64988ca20a91824955e160f3a40ef9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "477d4215e3158c03183296332241aee7ee64988ca20a91824955e160f3a40ef9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "477d4215e3158c03183296332241aee7ee64988ca20a91824955e160f3a40ef9", kill_on_drop: false }`
[INFO] [stdout] 477d4215e3158c03183296332241aee7ee64988ca20a91824955e160f3a40ef9
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8dd7590ba3497d426b852b9598ba942b02ef9392aca72f012aa995339b4c9f14
[INFO] running `Command { std: "docker" "start" "-a" "8dd7590ba3497d426b852b9598ba942b02ef9392aca72f012aa995339b4c9f14", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling strength_reduce v0.2.4
[INFO] [stderr]    Compiling pin-project-lite v0.2.13
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling sdl2 v0.36.0
[INFO] [stderr]    Compiling cpal v0.15.3
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling thread_local v1.1.7
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling sdl2-sys v0.36.0
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling dasp_sample v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling rustfft v6.2.0
[INFO] [stderr]    Compiling ringbuf v0.3.3
[INFO] [stderr]    Compiling tracing-log v0.1.4
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.41
[INFO] [stderr]    Compiling alsa v0.9.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling primal-check v0.3.3
[INFO] [stderr]    Compiling transpose v0.2.3
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling matchers v0.1.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling tracing-subscriber v0.3.15
[INFO] [stderr]    Compiling realfft v3.3.0
[INFO] [stderr]    Compiling audio_playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `anyhow` and `bail`
[INFO] [stdout]  --> src/synth.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | use anyhow::{anyhow, bail, Result};
[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 variable: `n`
[INFO] [stdout]   --> src/synth.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |         for n in 0..table_entry_len {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buffer`
[INFO] [stdout]    --> src/synth.rs:219:29
[INFO] [stdout]     |
[INFO] [stdout] 219 |                         let buffer = &wt_entry.buffer;
[INFO] [stdout]     |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/synth.rs:293:9
[INFO] [stdout]     |
[INFO] [stdout] 293 |     let mut color = Color::RGB(0, 0, 0);
[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: type `Waveform` is more private than the item `Wavetable::new`
[INFO] [stdout]    --> src/synth.rs:26:5
[INFO] [stdout]     |
[INFO] [stdout]  26 |     pub fn new(waveform: Waveform, sample_rate: f32) -> Self {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ associated function `Wavetable::new` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `Waveform` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/synth.rs:133:1
[INFO] [stdout]     |
[INFO] [stdout] 133 | enum Waveform {
[INFO] [stdout]     | ^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `waveform` is never read
[INFO] [stdout]   --> src/synth.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Wavetable {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 21 |     waveform: Waveform,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `is_playing` is never read
[INFO] [stdout]    --> src/synth.rs:145:5
[INFO] [stdout]     |
[INFO] [stdout] 142 | struct AudioContext {
[INFO] [stdout]     |        ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 145 |     is_playing: bool,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `i` is never read
[INFO] [stdout]    --> src/synth.rs:153:5
[INFO] [stdout]     |
[INFO] [stdout] 149 | struct Oscillator {
[INFO] [stdout]     |        ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 153 |     i: f32,
[INFO] [stdout]     |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.94s
[INFO] running `Command { std: "docker" "inspect" "8dd7590ba3497d426b852b9598ba942b02ef9392aca72f012aa995339b4c9f14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dd7590ba3497d426b852b9598ba942b02ef9392aca72f012aa995339b4c9f14", kill_on_drop: false }`
[INFO] [stdout] 8dd7590ba3497d426b852b9598ba942b02ef9392aca72f012aa995339b4c9f14
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bf1ab53799f4ee237f0afd611b5ce59071a14014d1902e4c5ab9c53cd254f9d
[INFO] running `Command { std: "docker" "start" "-a" "4bf1ab53799f4ee237f0afd611b5ce59071a14014d1902e4c5ab9c53cd254f9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling audio_playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `anyhow` and `bail`
[INFO] [stdout]  --> src/synth.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | use anyhow::{anyhow, bail, Result};
[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 variable: `n`
[INFO] [stdout]   --> src/synth.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |         for n in 0..table_entry_len {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buffer`
[INFO] [stdout]    --> src/synth.rs:219:29
[INFO] [stdout]     |
[INFO] [stdout] 219 |                         let buffer = &wt_entry.buffer;
[INFO] [stdout]     |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/synth.rs:293:9
[INFO] [stdout]     |
[INFO] [stdout] 293 |     let mut color = Color::RGB(0, 0, 0);
[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: type `Waveform` is more private than the item `Wavetable::new`
[INFO] [stdout]    --> src/synth.rs:26:5
[INFO] [stdout]     |
[INFO] [stdout]  26 |     pub fn new(waveform: Waveform, sample_rate: f32) -> Self {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ associated function `Wavetable::new` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `Waveform` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/synth.rs:133:1
[INFO] [stdout]     |
[INFO] [stdout] 133 | enum Waveform {
[INFO] [stdout]     | ^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `waveform` is never read
[INFO] [stdout]   --> src/synth.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Wavetable {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 21 |     waveform: Waveform,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `is_playing` is never read
[INFO] [stdout]    --> src/synth.rs:145:5
[INFO] [stdout]     |
[INFO] [stdout] 142 | struct AudioContext {
[INFO] [stdout]     |        ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 145 |     is_playing: bool,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `i` is never read
[INFO] [stdout]    --> src/synth.rs:153:5
[INFO] [stdout]     |
[INFO] [stdout] 149 | struct Oscillator {
[INFO] [stdout]     |        ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 153 |     i: f32,
[INFO] [stdout]     |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "4bf1ab53799f4ee237f0afd611b5ce59071a14014d1902e4c5ab9c53cd254f9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bf1ab53799f4ee237f0afd611b5ce59071a14014d1902e4c5ab9c53cd254f9d", kill_on_drop: false }`
[INFO] [stdout] 4bf1ab53799f4ee237f0afd611b5ce59071a14014d1902e4c5ab9c53cd254f9d
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 44c8bb66907de91f118b189416ffb608de4057f2f81900112db58ef91d9cd807
[INFO] running `Command { std: "docker" "start" "-a" "44c8bb66907de91f118b189416ffb608de4057f2f81900112db58ef91d9cd807", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `anyhow` and `bail`
[INFO] [stderr]  --> src/synth.rs:2:14
[INFO] [stderr]   |
[INFO] [stderr] 2 | use anyhow::{anyhow, bail, Result};
[INFO] [stderr]   |              ^^^^^^  ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/synth.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |         for n in 0..table_entry_len {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buffer`
[INFO] [stderr]    --> src/synth.rs:219:29
[INFO] [stderr]     |
[INFO] [stderr] 219 |                         let buffer = &wt_entry.buffer;
[INFO] [stderr]     |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/synth.rs:293:9
[INFO] [stderr]     |
[INFO] [stderr] 293 |     let mut color = Color::RGB(0, 0, 0);
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `Waveform` is more private than the item `Wavetable::new`
[INFO] [stderr]    --> src/synth.rs:26:5
[INFO] [stderr]     |
[INFO] [stderr]  26 |     pub fn new(waveform: Waveform, sample_rate: f32) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ associated function `Wavetable::new` is reachable at visibility `pub(crate)`
[INFO] [stderr]     |
[INFO] [stderr] note: but type `Waveform` is only usable at visibility `pub(self)`
[INFO] [stderr]    --> src/synth.rs:133:1
[INFO] [stderr]     |
[INFO] [stderr] 133 | enum Waveform {
[INFO] [stderr]     | ^^^^^^^^^^^^^
[INFO] [stderr]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `waveform` is never read
[INFO] [stderr]   --> src/synth.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub struct Wavetable {
[INFO] [stderr]    |            --------- field in this struct
[INFO] [stderr] 21 |     waveform: Waveform,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `is_playing` is never read
[INFO] [stderr]    --> src/synth.rs:145:5
[INFO] [stderr]     |
[INFO] [stderr] 142 | struct AudioContext {
[INFO] [stderr]     |        ------------ field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 145 |     is_playing: bool,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `i` is never read
[INFO] [stderr]    --> src/synth.rs:153:5
[INFO] [stderr]     |
[INFO] [stderr] 149 | struct Oscillator {
[INFO] [stderr]     |        ---------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 153 |     i: f32,
[INFO] [stderr]     |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: `audio_playground` (bin "audio_playground" test) generated 8 warnings (run `cargo fix --bin "audio_playground" -p audio_playground --tests` to apply 4 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/audio_playground-01ec195c7b3d608b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "44c8bb66907de91f118b189416ffb608de4057f2f81900112db58ef91d9cd807", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44c8bb66907de91f118b189416ffb608de4057f2f81900112db58ef91d9cd807", kill_on_drop: false }`
[INFO] [stdout] 44c8bb66907de91f118b189416ffb608de4057f2f81900112db58ef91d9cd807
