[INFO] cloning repository https://github.com/Eyon42/rust_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/Eyon42/rust_audio_playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEyon42%2Frust_audio_playground", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1b4c67493ac4a729f1df5f1e005c81f16d810588
[INFO] checking Eyon42/rust_audio_playground against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEyon42%2Frust_audio_playground" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Eyon42/rust_audio_playground
[INFO] finished tweaking git repo https://github.com/Eyon42/rust_audio_playground
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[INFO] validating manifest of git repo https://github.com/Eyon42/rust_audio_playground on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
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[INFO] crate git repo https://github.com/Eyon42/rust_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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] warning: unexpected `cfg` condition value: `jack`
[INFO] [stdout]   --> src/example.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         feature = "jack"
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `jack` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `jack`
[INFO] [stdout]   --> src/example.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         feature = "jack"
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `jack` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `jack`
[INFO] [stdout]   --> src/example.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |         not(feature = "jack")
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `jack` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]  --> src/mouse.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     for i in 0..10000 {
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `return` value
[INFO] [stdout]   --> src/libs/amdf.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     return (mins[1] - mins[0]);
[INFO] [stdout]    |            ^                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 30 -     return (mins[1] - mins[0]);
[INFO] [stdout] 30 +     return mins[1] - mins[0];
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/libs/wav.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 |     io::{Error, Read, Seek, Write},
[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: `libs::wav::BitDepth`
[INFO] [stdout]  --> src/osc.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use libs::wav::BitDepth;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/osc.rs:61:43
[INFO] [stdout]    |
[INFO] [stdout] 61 |         let raw_f = log_map(220.0, 440.0, (1.0 - ny as f32));
[INFO] [stdout]    |                                           ^               ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 61 -         let raw_f = log_map(220.0, 440.0, (1.0 - ny as f32));
[INFO] [stdout] 61 +         let raw_f = log_map(220.0, 440.0, 1.0 - ny as f32 );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `return` value
[INFO] [stdout]   --> src/libs/amdf.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     return (mins[1] - mins[0]);
[INFO] [stdout]    |            ^                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 30 -     return (mins[1] - mins[0]);
[INFO] [stdout] 30 +     return mins[1] - mins[0];
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/libs/wav.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 |     io::{Error, Read, Seek, Write},
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `jack`
[INFO] [stdout]   --> src/jack.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         feature = "jack"
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `jack` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `jack`
[INFO] [stdout]   --> src/jack.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |         not(feature = "jack")
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `jack` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/libs/wav.rs:173:17
[INFO] [stdout]     |
[INFO] [stdout] 173 |             Err(e) => return Err(invalid_file_error),
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `amdf` is never used
[INFO] [stdout]  --> src/libs/amdf.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn amdf(sample: Vec<f64>) -> usize {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gen_notes` is never used
[INFO] [stdout]  --> src/libs/notation.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn gen_notes() -> Vec<f64> {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `note_to_freq` is never used
[INFO] [stdout]   --> src/libs/notation.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn note_to_freq(note: &str) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `freq_to_note` is never used
[INFO] [stdout]   --> src/libs/notation.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn freq_to_note(freq: f64) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fit_to_scale` is never used
[INFO] [stdout]   --> src/libs/notation.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub fn fit_to_scale(scale: &Vec<f64>, note_freq: f64) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sine_wave` is never used
[INFO] [stdout]  --> src/libs/sampling.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn sine_wave(
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sine_wave_truncated` is never used
[INFO] [stdout]   --> src/libs/sampling.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn sine_wave_truncated(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `saw_wave_truncated` is never used
[INFO] [stdout]   --> src/libs/sampling.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub fn saw_wave_truncated(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `size`, and `block_type` are never read
[INFO] [stdout]   --> src/libs/wav.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct RiffHdr {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 13 |     id: Fourcc,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 14 |     pub size: u32,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 15 |     block_type: Fourcc,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/libs/wav.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct FmtHdr {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 19 |     id: Fourcc,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 20 |     pub size: u32,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 21 |     pub fmt_tag: u16,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 22 |     pub channels: u16,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 23 |     pub sample_rate: u32,
[INFO] [stdout] 24 |     pub byte_rate: u32,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 25 |     pub block_align: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 26 |     pub bits_per_sample: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `size` are never read
[INFO] [stdout]   --> src/libs/wav.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct DataHdr {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 30 |     id: Fourcc,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 31 |     pub size: u32,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `riff_hdr` and `data_hdr` are never read
[INFO] [stdout]   --> src/libs/wav.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct WavHdr {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 35 |     pub riff_hdr: RiffHdr,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 36 |     pub fmt_ck: FmtHdr,
[INFO] [stdout] 37 |     pub data_hdr: DataHdr,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `write` is never used
[INFO] [stdout]    --> src/libs/wav.rs:114:12
[INFO] [stdout]     |
[INFO] [stdout]  80 | impl WavFile {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 114 |     pub fn write(self, path: &Path) -> std::io::Result<()> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `return` value
[INFO] [stdout]   --> src/libs/amdf.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     return (mins[1] - mins[0]);
[INFO] [stdout]    |            ^                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 30 -     return (mins[1] - mins[0]);
[INFO] [stdout] 30 +     return mins[1] - mins[0];
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/libs/wav.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 |     io::{Error, Read, Seek, Write},
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/freq.rs:22:16
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let step = (sample_rate as usize / 20); // 20 hz as minimal detection
[INFO] [stdout]    |                ^                         ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 22 -     let step = (sample_rate as usize / 20); // 20 hz as minimal detection
[INFO] [stdout] 22 +     let step = sample_rate as usize / 20 ; // 20 hz as minimal detection
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `return` value
[INFO] [stdout]   --> src/libs/amdf.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     return (mins[1] - mins[0]);
[INFO] [stdout]    |            ^                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 30 -     return (mins[1] - mins[0]);
[INFO] [stdout] 30 +     return mins[1] - mins[0];
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/libs/wav.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 |     io::{Error, Read, Seek, Write},
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/freq.rs:22:16
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let step = (sample_rate as usize / 20); // 20 hz as minimal detection
[INFO] [stdout]    |                ^                         ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 22 -     let step = (sample_rate as usize / 20); // 20 hz as minimal detection
[INFO] [stdout] 22 +     let step = sample_rate as usize / 20 ; // 20 hz as minimal detection
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `jack`
[INFO] [stdout]   --> src/ex_feedback.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         feature = "jack"
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `jack` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `jack`
[INFO] [stdout]   --> src/ex_feedback.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |         feature = "jack"
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `jack` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `jack`
[INFO] [stdout]   --> src/ex_feedback.rs:76:13
[INFO] [stdout]    |
[INFO] [stdout] 76 |         not(feature = "jack")
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `jack` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `return` value
[INFO] [stdout]   --> src/libs/amdf.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     return (mins[1] - mins[0]);
[INFO] [stdout]    |            ^                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 30 -     return (mins[1] - mins[0]);
[INFO] [stdout] 30 +     return mins[1] - mins[0];
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/libs/wav.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 |     io::{Error, Read, Seek, Write},
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `return` value
[INFO] [stdout]   --> src/libs/amdf.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     return (mins[1] - mins[0]);
[INFO] [stdout]    |            ^                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 30 -     return (mins[1] - mins[0]);
[INFO] [stdout] 30 +     return mins[1] - mins[0];
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/libs/wav.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 |     io::{Error, Read, Seek, Write},
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `jack`
[INFO] [stdout]   --> src/jack.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         feature = "jack"
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `jack` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `jack`
[INFO] [stdout]   --> src/jack.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |         not(feature = "jack")
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `jack` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/libs/wav.rs:173:17
[INFO] [stdout]     |
[INFO] [stdout] 173 |             Err(e) => return Err(invalid_file_error),
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `jack`
[INFO] [stdout]   --> src/ex_feedback.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         feature = "jack"
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `jack` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sine_wave` is never used
[INFO] [stdout]  --> src/libs/sampling.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn sine_wave(
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sine_wave_truncated` is never used
[INFO] [stdout]   --> src/libs/sampling.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn sine_wave_truncated(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `saw_wave_truncated` is never used
[INFO] [stdout]   --> src/libs/sampling.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub fn saw_wave_truncated(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `size`, and `block_type` are never read
[INFO] [stdout]   --> src/libs/wav.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct RiffHdr {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 13 |     id: Fourcc,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 14 |     pub size: u32,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 15 |     block_type: Fourcc,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/libs/wav.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct FmtHdr {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 19 |     id: Fourcc,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 20 |     pub size: u32,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 21 |     pub fmt_tag: u16,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 22 |     pub channels: u16,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 23 |     pub sample_rate: u32,
[INFO] [stdout] 24 |     pub byte_rate: u32,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 25 |     pub block_align: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 26 |     pub bits_per_sample: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `size` are never read
[INFO] [stdout]   --> src/libs/wav.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct DataHdr {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 30 |     id: Fourcc,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 31 |     pub size: u32,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `riff_hdr` and `data_hdr` are never read
[INFO] [stdout]   --> src/libs/wav.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct WavHdr {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 35 |     pub riff_hdr: RiffHdr,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 36 |     pub fmt_ck: FmtHdr,
[INFO] [stdout] 37 |     pub data_hdr: DataHdr,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `write` is never used
[INFO] [stdout]    --> src/libs/wav.rs:114:12
[INFO] [stdout]     |
[INFO] [stdout]  80 | impl WavFile {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 114 |     pub fn write(self, path: &Path) -> std::io::Result<()> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `jack`
[INFO] [stdout]   --> src/example.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         feature = "jack"
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `jack` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `jack`
[INFO] [stdout]   --> src/example.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         feature = "jack"
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `jack` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `jack`
[INFO] [stdout]   --> src/example.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |         not(feature = "jack")
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `jack` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `jack`
[INFO] [stdout]   --> src/ex_feedback.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |         feature = "jack"
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `jack` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `jack`
[INFO] [stdout]   --> src/ex_feedback.rs:76:13
[INFO] [stdout]    |
[INFO] [stdout] 76 |         not(feature = "jack")
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `jack` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/libs/wav.rs:173:17
[INFO] [stdout]     |
[INFO] [stdout] 173 |             Err(e) => return Err(invalid_file_error),
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `note_to_freq` is never used
[INFO] [stdout]   --> src/libs/notation.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn note_to_freq(note: &str) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sine_wave` is never used
[INFO] [stdout]  --> src/libs/sampling.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn sine_wave(
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sine_wave_truncated` is never used
[INFO] [stdout]   --> src/libs/sampling.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn sine_wave_truncated(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `saw_wave_truncated` is never used
[INFO] [stdout]   --> src/libs/sampling.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub fn saw_wave_truncated(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `size`, and `block_type` are never read
[INFO] [stdout]   --> src/libs/wav.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct RiffHdr {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 13 |     id: Fourcc,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 14 |     pub size: u32,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 15 |     block_type: Fourcc,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/libs/wav.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct FmtHdr {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 19 |     id: Fourcc,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 20 |     pub size: u32,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 21 |     pub fmt_tag: u16,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 22 |     pub channels: u16,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 23 |     pub sample_rate: u32,
[INFO] [stdout] 24 |     pub byte_rate: u32,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 25 |     pub block_align: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 26 |     pub bits_per_sample: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `size` are never read
[INFO] [stdout]   --> src/libs/wav.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct DataHdr {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 30 |     id: Fourcc,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 31 |     pub size: u32,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `riff_hdr` and `data_hdr` are never read
[INFO] [stdout]   --> src/libs/wav.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct WavHdr {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 35 |     pub riff_hdr: RiffHdr,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 36 |     pub fmt_ck: FmtHdr,
[INFO] [stdout] 37 |     pub data_hdr: DataHdr,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `write` is never used
[INFO] [stdout]    --> src/libs/wav.rs:114:12
[INFO] [stdout]     |
[INFO] [stdout]  80 | impl WavFile {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 114 |     pub fn write(self, path: &Path) -> std::io::Result<()> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/libs/wav.rs:173:17
[INFO] [stdout]     |
[INFO] [stdout] 173 |             Err(e) => return Err(invalid_file_error),
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sine_osc` is never used
[INFO] [stdout]   --> src/osc.rs:97:4
[INFO] [stdout]    |
[INFO] [stdout] 97 | fn sine_osc(phase: f32) -> f32 {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `square_osc` is never used
[INFO] [stdout]    --> src/osc.rs:101:4
[INFO] [stdout]     |
[INFO] [stdout] 101 | fn square_osc(phase: f32) -> f32 {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `saw_osc` is never used
[INFO] [stdout]    --> src/osc.rs:109:4
[INFO] [stdout]     |
[INFO] [stdout] 109 | fn saw_osc(phase: f32) -> f32 {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lin_map` is never used
[INFO] [stdout]    --> src/osc.rs:121:4
[INFO] [stdout]     |
[INFO] [stdout] 121 | fn lin_map(min: f32, max: f32, v: f32) -> f32 {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `amdf` is never used
[INFO] [stdout]  --> src/libs/amdf.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn amdf(sample: Vec<f64>) -> usize {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `note_to_freq` is never used
[INFO] [stdout]   --> src/libs/notation.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn note_to_freq(note: &str) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `freq_to_note` is never used
[INFO] [stdout]   --> src/libs/notation.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn freq_to_note(freq: f64) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sine_wave` is never used
[INFO] [stdout]  --> src/libs/sampling.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn sine_wave(
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sine_wave_truncated` is never used
[INFO] [stdout]   --> src/libs/sampling.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn sine_wave_truncated(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `saw_wave_truncated` is never used
[INFO] [stdout]   --> src/libs/sampling.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub fn saw_wave_truncated(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Fourcc` is never used
[INFO] [stdout]   --> src/libs/wav.rs:10:6
[INFO] [stdout]    |
[INFO] [stdout] 10 | type Fourcc = [u8; 4];
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RiffHdr` is never constructed
[INFO] [stdout]   --> src/libs/wav.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct RiffHdr {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FmtHdr` is never constructed
[INFO] [stdout]   --> src/libs/wav.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct FmtHdr {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DataHdr` is never constructed
[INFO] [stdout]   --> src/libs/wav.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct DataHdr {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WavHdr` is never constructed
[INFO] [stdout]   --> src/libs/wav.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct WavHdr {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WavFile` is never constructed
[INFO] [stdout]   --> src/libs/wav.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct WavFile {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WavParams` is never constructed
[INFO] [stdout]   --> src/libs/wav.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub struct WavParams {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `BitDepth` is never used
[INFO] [stdout]   --> src/libs/wav.rs:51:10
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub enum BitDepth {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `write`, and `read` are never used
[INFO] [stdout]    --> src/libs/wav.rs:81:12
[INFO] [stdout]     |
[INFO] [stdout]  80 | impl WavFile {
[INFO] [stdout]     | ------------ associated items in this implementation
[INFO] [stdout]  81 |     pub fn new(params: WavParams, data: Vec<BitDepth>) -> WavFile {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |     pub fn write(self, path: &Path) -> std::io::Result<()> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 162 |     pub fn read(path: &Path) -> Result<WavFile, Error> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `return` value
[INFO] [stdout]   --> src/libs/amdf.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     return (mins[1] - mins[0]);
[INFO] [stdout]    |            ^                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 30 -     return (mins[1] - mins[0]);
[INFO] [stdout] 30 +     return mins[1] - mins[0];
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/libs/wav.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 |     io::{Error, Read, Seek, Write},
[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: `libs::wav::BitDepth`
[INFO] [stdout]  --> src/osc.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use libs::wav::BitDepth;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/osc.rs:61:43
[INFO] [stdout]    |
[INFO] [stdout] 61 |         let raw_f = log_map(220.0, 440.0, (1.0 - ny as f32));
[INFO] [stdout]    |                                           ^               ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 61 -         let raw_f = log_map(220.0, 440.0, (1.0 - ny as f32));
[INFO] [stdout] 61 +         let raw_f = log_map(220.0, 440.0, 1.0 - ny as f32 );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `return` value
[INFO] [stdout]   --> src/libs/amdf.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     return (mins[1] - mins[0]);
[INFO] [stdout]    |            ^                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 30 -     return (mins[1] - mins[0]);
[INFO] [stdout] 30 +     return mins[1] - mins[0];
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/libs/wav.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 |     io::{Error, Read, Seek, Write},
[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: `e`
[INFO] [stdout]    --> src/libs/wav.rs:173:17
[INFO] [stdout]     |
[INFO] [stdout] 173 |             Err(e) => return Err(invalid_file_error),
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `amdf` is never used
[INFO] [stdout]  --> src/libs/amdf.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn amdf(sample: Vec<f64>) -> usize {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gen_notes` is never used
[INFO] [stdout]  --> src/libs/notation.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn gen_notes() -> Vec<f64> {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `note_to_freq` is never used
[INFO] [stdout]   --> src/libs/notation.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn note_to_freq(note: &str) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `freq_to_note` is never used
[INFO] [stdout]   --> src/libs/notation.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn freq_to_note(freq: f64) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fit_to_scale` is never used
[INFO] [stdout]   --> src/libs/notation.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub fn fit_to_scale(scale: &Vec<f64>, note_freq: f64) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sine_wave` is never used
[INFO] [stdout]  --> src/libs/sampling.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn sine_wave(
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `U8` and `U32` are never constructed
[INFO] [stdout]   --> src/libs/wav.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub enum BitDepth {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout] 52 |     U8(i8),
[INFO] [stdout]    |     ^^
[INFO] [stdout] 53 |     U16(i16),
[INFO] [stdout] 54 |     U32(i32),
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BitDepth` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `read` is never used
[INFO] [stdout]    --> src/libs/wav.rs:162:12
[INFO] [stdout]     |
[INFO] [stdout]  80 | impl WavFile {
[INFO] [stdout]     | ------------ associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 162 |     pub fn read(path: &Path) -> Result<WavFile, Error> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/libs/wav.rs:173:17
[INFO] [stdout]     |
[INFO] [stdout] 173 |             Err(e) => return Err(invalid_file_error),
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `amdf` is never used
[INFO] [stdout]  --> src/libs/amdf.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn amdf(sample: Vec<f64>) -> usize {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sine_wave` is never used
[INFO] [stdout]  --> src/libs/sampling.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn sine_wave(
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sine_wave_truncated` is never used
[INFO] [stdout]   --> src/libs/sampling.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn sine_wave_truncated(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `saw_wave_truncated` is never used
[INFO] [stdout]   --> src/libs/sampling.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub fn saw_wave_truncated(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `size`, and `block_type` are never read
[INFO] [stdout]   --> src/libs/wav.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct RiffHdr {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 13 |     id: Fourcc,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 14 |     pub size: u32,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 15 |     block_type: Fourcc,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/libs/wav.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct FmtHdr {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 19 |     id: Fourcc,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 20 |     pub size: u32,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 21 |     pub fmt_tag: u16,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 22 |     pub channels: u16,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 23 |     pub sample_rate: u32,
[INFO] [stdout] 24 |     pub byte_rate: u32,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 25 |     pub block_align: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 26 |     pub bits_per_sample: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `size` are never read
[INFO] [stdout]   --> src/libs/wav.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct DataHdr {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 30 |     id: Fourcc,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 31 |     pub size: u32,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `riff_hdr` and `data_hdr` are never read
[INFO] [stdout]   --> src/libs/wav.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct WavHdr {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 35 |     pub riff_hdr: RiffHdr,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 36 |     pub fmt_ck: FmtHdr,
[INFO] [stdout] 37 |     pub data_hdr: DataHdr,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `write` is never used
[INFO] [stdout]    --> src/libs/wav.rs:114:12
[INFO] [stdout]     |
[INFO] [stdout]  80 | impl WavFile {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 114 |     pub fn write(self, path: &Path) -> std::io::Result<()> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/libs/wav.rs:173:17
[INFO] [stdout]     |
[INFO] [stdout] 173 |             Err(e) => return Err(invalid_file_error),
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `amdf` is never used
[INFO] [stdout]  --> src/libs/amdf.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn amdf(sample: Vec<f64>) -> usize {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sine_wave` is never used
[INFO] [stdout]  --> src/libs/sampling.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn sine_wave(
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `U8` and `U32` are never constructed
[INFO] [stdout]   --> src/libs/wav.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub enum BitDepth {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout] 52 |     U8(i8),
[INFO] [stdout]    |     ^^
[INFO] [stdout] 53 |     U16(i16),
[INFO] [stdout] 54 |     U32(i32),
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BitDepth` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `read` is never used
[INFO] [stdout]    --> src/libs/wav.rs:162:12
[INFO] [stdout]     |
[INFO] [stdout]  80 | impl WavFile {
[INFO] [stdout]     | ------------ associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 162 |     pub fn read(path: &Path) -> Result<WavFile, Error> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/libs/wav.rs:173:17
[INFO] [stdout]     |
[INFO] [stdout] 173 |             Err(e) => return Err(invalid_file_error),
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sine_osc` is never used
[INFO] [stdout]   --> src/osc.rs:97:4
[INFO] [stdout]    |
[INFO] [stdout] 97 | fn sine_osc(phase: f32) -> f32 {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]  --> src/mouse.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     for i in 0..10000 {
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `square_osc` is never used
[INFO] [stdout]    --> src/osc.rs:101:4
[INFO] [stdout]     |
[INFO] [stdout] 101 | fn square_osc(phase: f32) -> f32 {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `saw_osc` is never used
[INFO] [stdout]    --> src/osc.rs:109:4
[INFO] [stdout]     |
[INFO] [stdout] 109 | fn saw_osc(phase: f32) -> f32 {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lin_map` is never used
[INFO] [stdout]    --> src/osc.rs:121:4
[INFO] [stdout]     |
[INFO] [stdout] 121 | fn lin_map(min: f32, max: f32, v: f32) -> f32 {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `amdf` is never used
[INFO] [stdout]  --> src/libs/amdf.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn amdf(sample: Vec<f64>) -> usize {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sine_wave` is never used
[INFO] [stdout]  --> src/libs/sampling.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn sine_wave(
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sine_wave_truncated` is never used
[INFO] [stdout]   --> src/libs/sampling.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn sine_wave_truncated(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `saw_wave_truncated` is never used
[INFO] [stdout]   --> src/libs/sampling.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub fn saw_wave_truncated(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Fourcc` is never used
[INFO] [stdout]   --> src/libs/wav.rs:10:6
[INFO] [stdout]    |
[INFO] [stdout] 10 | type Fourcc = [u8; 4];
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RiffHdr` is never constructed
[INFO] [stdout]   --> src/libs/wav.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct RiffHdr {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FmtHdr` is never constructed
[INFO] [stdout]   --> src/libs/wav.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct FmtHdr {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DataHdr` is never constructed
[INFO] [stdout]   --> src/libs/wav.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct DataHdr {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WavHdr` is never constructed
[INFO] [stdout]   --> src/libs/wav.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct WavHdr {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WavFile` is never constructed
[INFO] [stdout]   --> src/libs/wav.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct WavFile {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WavParams` is never constructed
[INFO] [stdout]   --> src/libs/wav.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub struct WavParams {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `BitDepth` is never used
[INFO] [stdout]   --> src/libs/wav.rs:51:10
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub enum BitDepth {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `write`, and `read` are never used
[INFO] [stdout]    --> src/libs/wav.rs:81:12
[INFO] [stdout]     |
[INFO] [stdout]  80 | impl WavFile {
[INFO] [stdout]     | ------------ associated items in this implementation
[INFO] [stdout]  81 |     pub fn new(params: WavParams, data: Vec<BitDepth>) -> WavFile {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |     pub fn write(self, path: &Path) -> std::io::Result<()> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 162 |     pub fn read(path: &Path) -> Result<WavFile, Error> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.53s
[INFO] running `Command { std: "docker" "inspect" "9294d35b80e25727694bdad17e41bb0b4ba0abf38573dfb222c8e1f96b2647e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9294d35b80e25727694bdad17e41bb0b4ba0abf38573dfb222c8e1f96b2647e0", kill_on_drop: false }`
[INFO] [stdout] 9294d35b80e25727694bdad17e41bb0b4ba0abf38573dfb222c8e1f96b2647e0
