[INFO] cloning repository https://github.com/JulianIrigoyen/wavetable_synth
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JulianIrigoyen/wavetable_synth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJulianIrigoyen%2Fwavetable_synth", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJulianIrigoyen%2Fwavetable_synth'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 818c5ed8f8764c66092ccf75f71aa021ddf8982c
[INFO] checking JulianIrigoyen/wavetable_synth against master#158f00a1c5175648af6f6099b075f78d1d014a28 for pr-121251
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJulianIrigoyen%2Fwavetable_synth" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JulianIrigoyen/wavetable_synth on toolchain 158f00a1c5175648af6f6099b075f78d1d014a28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JulianIrigoyen/wavetable_synth
[INFO] finished tweaking git repo https://github.com/JulianIrigoyen/wavetable_synth
[INFO] tweaked toml for git repo https://github.com/JulianIrigoyen/wavetable_synth written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/JulianIrigoyen/wavetable_synth already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking JulianIrigoyen/wavetable_synth against try#b4fc5dbf0bc33be331f9d893db5b3a794f29724a+rustflags=-Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds for pr-121251
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJulianIrigoyen%2Fwavetable_synth" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JulianIrigoyen/wavetable_synth on toolchain b4fc5dbf0bc33be331f9d893db5b3a794f29724a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JulianIrigoyen/wavetable_synth
[INFO] finished tweaking git repo https://github.com/JulianIrigoyen/wavetable_synth
[INFO] tweaked toml for git repo https://github.com/JulianIrigoyen/wavetable_synth written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/JulianIrigoyen/wavetable_synth already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking JulianIrigoyen/wavetable_synth against try#b4fc5dbf0bc33be331f9d893db5b3a794f29724a+rustflags=-Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds for pr-121251
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJulianIrigoyen%2Fwavetable_synth" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JulianIrigoyen/wavetable_synth on toolchain b4fc5dbf0bc33be331f9d893db5b3a794f29724a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JulianIrigoyen/wavetable_synth
[INFO] finished tweaking git repo https://github.com/JulianIrigoyen/wavetable_synth
[INFO] tweaked toml for git repo https://github.com/JulianIrigoyen/wavetable_synth written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/JulianIrigoyen/wavetable_synth already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded env v0.0.0
[INFO] [stderr]   Downloaded shuffle v0.1.7
[INFO] [stderr]   Downloaded device_query v1.1.3
[INFO] [stderr]   Downloaded rodio v0.14.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad94c44a1b303a2e04f35d4952787fabd534cbf56c515e278c45c68510889050
[INFO] running `Command { std: "docker" "start" "-a" "ad94c44a1b303a2e04f35d4952787fabd534cbf56c515e278c45c68510889050", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad94c44a1b303a2e04f35d4952787fabd534cbf56c515e278c45c68510889050", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad94c44a1b303a2e04f35d4952787fabd534cbf56c515e278c45c68510889050", kill_on_drop: false }`
[INFO] [stdout] ad94c44a1b303a2e04f35d4952787fabd534cbf56c515e278c45c68510889050
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48dcc807414781e5a2fec20dab5d57b95a09cee96d383c59563dee0eb4a1e4c2
[INFO] running `Command { std: "docker" "start" "-a" "48dcc807414781e5a2fec20dab5d57b95a09cee96d383c59563dee0eb4a1e4c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]     Checking lock_api v0.4.10
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]    Compiling signal-hook v0.3.15
[INFO] [stderr]    Compiling x11 v2.21.0
[INFO] [stderr]    Compiling cpal v0.13.5
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]     Checking ogg v0.8.0
[INFO] [stderr]    Compiling device_query v1.1.3
[INFO] [stderr]     Checking radium v0.3.0
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking hound v3.5.0
[INFO] [stderr]     Checking lewton v0.10.2
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking claxon v0.4.3
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]     Checking env v0.0.0
[INFO] [stderr]    Compiling syn v2.0.22
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking nix v0.23.2
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking slice-deque v0.3.0
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking parking_lot_core v0.9.8
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking termion v2.0.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking crossterm v0.26.1
[INFO] [stderr]     Checking shuffle v0.1.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]     Checking minimp3 v0.5.1
[INFO] [stderr]     Checking alsa v0.6.0
[INFO] [stderr]     Checking rodio v0.14.0
[INFO] [stderr]     Checking wavetable_synth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Read`, `self`
[INFO] [stdout]  --> src/main.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::{self, Read};
[INFO] [stdout]   |               ^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stdin`
[INFO] [stdout]  --> src/main.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::{stdin, stdout, Write};
[INFO] [stdout]   |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::mpsc`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::sync::mpsc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::thread;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread::sleep`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::thread::sleep;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Instant`
[INFO] [stdout]   --> src/main.rs:10:27
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::time::{Duration, Instant};
[INFO] [stdout]    |                           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `termion::async_stdin`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use termion::async_stdin;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `termion::input::Keys`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use termion::input::Keys;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Read`, `self`
[INFO] [stdout]  --> src/main.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::{self, Read};
[INFO] [stdout]   |               ^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stdin`
[INFO] [stdout]  --> src/main.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::{stdin, stdout, Write};
[INFO] [stdout]   |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `termion::input::TermRead`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use termion::input::TermRead;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::mpsc`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::sync::mpsc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::thread;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread::sleep`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::thread::sleep;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DeviceQuery`, `DeviceState`, `Keycode`
[INFO] [stdout]   --> src/main.rs:16:20
[INFO] [stdout]    |
[INFO] [stdout] 16 | use device_query::{DeviceQuery, DeviceState, Keycode};
[INFO] [stdout]    |                    ^^^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Instant`
[INFO] [stdout]   --> src/main.rs:10:27
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::time::{Duration, Instant};
[INFO] [stdout]    |                           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `termion::async_stdin`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use termion::async_stdin;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `termion::input::Keys`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use termion::input::Keys;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `termion::input::TermRead`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use termion::input::TermRead;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DeviceQuery`, `DeviceState`, `Keycode`
[INFO] [stdout]   --> src/main.rs:16:20
[INFO] [stdout]    |
[INFO] [stdout] 16 | use device_query::{DeviceQuery, DeviceState, Keycode};
[INFO] [stdout]    |                    ^^^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/main.rs:265:14
[INFO] [stdout]     |
[INFO] [stdout] 265 |     for n in 0..wave_table_size {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-W range-syntax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/main.rs:265:14
[INFO] [stdout]     |
[INFO] [stdout] 265 |     for n in 0..wave_table_size {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-W range-syntax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `frequency_standard`
[INFO] [stdout]    --> src/main.rs:250:9
[INFO] [stdout]     |
[INFO] [stdout] 250 |     let frequency_standard: u32 = args[1].parse().expect("Invalid frequency standard");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_frequency_standard`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `frequency`
[INFO] [stdout]    --> src/main.rs:286:41
[INFO] [stdout]     |
[INFO] [stdout] 286 | ...                   if let Some(frequency) = create_note_to_freq_map().get(&note) {
[INFO] [stdout]     |                                   ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_frequency`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_note_to_freq_map_432` is never used
[INFO] [stdout]    --> src/main.rs:202:4
[INFO] [stdout]     |
[INFO] [stdout] 202 | fn create_note_to_freq_map_432() -> HashMap<String, f32> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `frequency_standard`
[INFO] [stdout]    --> src/main.rs:250:9
[INFO] [stdout]     |
[INFO] [stdout] 250 |     let frequency_standard: u32 = args[1].parse().expect("Invalid frequency standard");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_frequency_standard`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `play_notes` is never used
[INFO] [stdout]    --> src/main.rs:220:4
[INFO] [stdout]     |
[INFO] [stdout] 220 | fn play_notes(notes: Vec<&str>, duration: f32, stream_handle: &OutputStreamHandle, wave_table: Vec<f32>, note_to_freq_map: HashMap<String...
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `frequency`
[INFO] [stdout]    --> src/main.rs:286:41
[INFO] [stdout]     |
[INFO] [stdout] 286 | ...                   if let Some(frequency) = create_note_to_freq_map().get(&note) {
[INFO] [stdout]     |                                   ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_frequency`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_note_to_freq_map_432` is never used
[INFO] [stdout]    --> src/main.rs:202:4
[INFO] [stdout]     |
[INFO] [stdout] 202 | fn create_note_to_freq_map_432() -> HashMap<String, f32> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `play_notes` is never used
[INFO] [stdout]    --> src/main.rs:220:4
[INFO] [stdout]     |
[INFO] [stdout] 220 | fn play_notes(notes: Vec<&str>, duration: f32, stream_handle: &OutputStreamHandle, wave_table: Vec<f32>, note_to_freq_map: HashMap<String...
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:226:9
[INFO] [stdout]     |
[INFO] [stdout] 226 |         stream_handle.play_raw(oscillator.convert_samples());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 226 |         let _ = stream_handle.play_raw(oscillator.convert_samples());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:226:9
[INFO] [stdout]     |
[INFO] [stdout] 226 |         stream_handle.play_raw(oscillator.convert_samples());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 226 |         let _ = stream_handle.play_raw(oscillator.convert_samples());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.20s
[INFO] running `Command { std: "docker" "inspect" "48dcc807414781e5a2fec20dab5d57b95a09cee96d383c59563dee0eb4a1e4c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48dcc807414781e5a2fec20dab5d57b95a09cee96d383c59563dee0eb4a1e4c2", kill_on_drop: false }`
[INFO] [stdout] 48dcc807414781e5a2fec20dab5d57b95a09cee96d383c59563dee0eb4a1e4c2
