[INFO] cloning repository https://github.com/daltooneeq/key_sinthesizer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/daltooneeq/key_sinthesizer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaltooneeq%2Fkey_sinthesizer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaltooneeq%2Fkey_sinthesizer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 964b59093ace6ae03635799ea18dfc5e1723c1cb
[INFO] checking daltooneeq/key_sinthesizer against try#8a2f6fe57adadb246778b8d41925d3dc46d468cb for pr-158320
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaltooneeq%2Fkey_sinthesizer" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/daltooneeq/key_sinthesizer
[INFO] finished tweaking git repo https://github.com/daltooneeq/key_sinthesizer
[INFO] tweaked toml for git repo https://github.com/daltooneeq/key_sinthesizer written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/daltooneeq/key_sinthesizer on toolchain 8a2f6fe57adadb246778b8d41925d3dc46d468cb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a2f6fe57adadb246778b8d41925d3dc46d468cb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/daltooneeq/key_sinthesizer 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" "+8a2f6fe57adadb246778b8d41925d3dc46d468cb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 3e949a32f9a4610087b5d9e0fb178664ad86993a121dcdb399ef189ee0f25741
[INFO] running `Command { std: "docker" "start" "3e949a32f9a4610087b5d9e0fb178664ad86993a121dcdb399ef189ee0f25741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3e949a32f9a4610087b5d9e0fb178664ad86993a121dcdb399ef189ee0f25741" "/opt/rustwide/cargo-home/bin/cargo" "+8a2f6fe57adadb246778b8d41925d3dc46d468cb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e949a32f9a4610087b5d9e0fb178664ad86993a121dcdb399ef189ee0f25741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3e949a32f9a4610087b5d9e0fb178664ad86993a121dcdb399ef189ee0f25741" "/opt/rustwide/cargo-home/bin/cargo" "+8a2f6fe57adadb246778b8d41925d3dc46d468cb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]     Checking key_sinthesizer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::string::FromUtf8Error`
[INFO] [stdout]  --> src/key.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::string::FromUtf8Error;
[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/key.rs:30:36
[INFO] [stdout]    |
[INFO] [stdout] 30 |             notes[i*12+j].octave = (i as u8);
[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 -             notes[i*12+j].octave = (i as u8);
[INFO] [stdout] 30 +             notes[i*12+j].octave = i as u8 ;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/f.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 |         y[i] = (meval::eval_str(&copy).unwrap() as f32);
[INFO] [stdout]    |                ^                                      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 11 -         y[i] = (meval::eval_str(&copy).unwrap() as f32);
[INFO] [stdout] 11 +         y[i] = meval::eval_str(&copy).unwrap() as f32 ;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `traits::StreamTrait`
[INFO] [stdout]  --> src/sound.rs:1:64
[INFO] [stdout]   |
[INFO] [stdout] 1 | use cpal::{Device, SupportedStreamConfig, traits::DeviceTrait, traits::StreamTrait};
[INFO] [stdout]   |                                                                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Stream`
[INFO] [stdout]  --> src/main.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | use cpal::{Stream, traits::{DeviceTrait, HostTrait, StreamTrait}};
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::string::FromUtf8Error`
[INFO] [stdout]  --> src/key.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::string::FromUtf8Error;
[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/key.rs:30:36
[INFO] [stdout]    |
[INFO] [stdout] 30 |             notes[i*12+j].octave = (i as u8);
[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 -             notes[i*12+j].octave = (i as u8);
[INFO] [stdout] 30 +             notes[i*12+j].octave = i as u8 ;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/f.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 |         y[i] = (meval::eval_str(&copy).unwrap() as f32);
[INFO] [stdout]    |                ^                                      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 11 -         y[i] = (meval::eval_str(&copy).unwrap() as f32);
[INFO] [stdout] 11 +         y[i] = meval::eval_str(&copy).unwrap() as f32 ;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `traits::StreamTrait`
[INFO] [stdout]  --> src/sound.rs:1:64
[INFO] [stdout]   |
[INFO] [stdout] 1 | use cpal::{Device, SupportedStreamConfig, traits::DeviceTrait, traits::StreamTrait};
[INFO] [stdout]   |                                                                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Stream`
[INFO] [stdout]  --> src/main.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | use cpal::{Stream, traits::{DeviceTrait, HostTrait, StreamTrait}};
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `string`
[INFO] [stdout]   --> src/key.rs:11:21
[INFO] [stdout]    |
[INFO] [stdout] 11 |         if let Some(string) = event.name {
[INFO] [stdout]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_string`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `string`
[INFO] [stdout]   --> src/key.rs:11:21
[INFO] [stdout]    |
[INFO] [stdout] 11 |         if let Some(string) = event.name {
[INFO] [stdout]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_string`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/f.rs:20:26
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn check_periodicity(x: &Vec<f32>, y: &Vec<f32>) -> bool{
[INFO] [stdout]    |                          ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/f.rs:20:26
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn check_periodicity(x: &Vec<f32>, y: &Vec<f32>) -> bool{
[INFO] [stdout]    |                          ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/f.rs:27:22
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn draw_function(x: &Vec<f32>, y: &Vec<f32>) -> String{
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/f.rs:27:22
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn draw_function(x: &Vec<f32>, y: &Vec<f32>) -> String{
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sample_rate`
[INFO] [stdout]   --> src/main.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let sample_rate = config.sample_rate() as f32;
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sample_rate`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `channels`
[INFO] [stdout]   --> src/main.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let channels = config.channels() as usize;
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_channels`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cc`
[INFO] [stdout]   --> src/main.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn new(cc: &eframe::CreationContext<'_>, device: cpal::Device, config: cpal::SupportedStreamConfig) -> Self {
[INFO] [stdout]    |            ^^ help: if this is intentional, prefix it with an underscore: `_cc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sample_rate`
[INFO] [stdout]   --> src/main.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let sample_rate = config.sample_rate() as f32;
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sample_rate`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `channels`
[INFO] [stdout]   --> src/main.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let channels = config.channels() as usize;
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_channels`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cc`
[INFO] [stdout]   --> src/main.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn new(cc: &eframe::CreationContext<'_>, device: cpal::Device, config: cpal::SupportedStreamConfig) -> Self {
[INFO] [stdout]    |            ^^ help: if this is intentional, prefix it with an underscore: `_cc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `frame`
[INFO] [stdout]   --> src/main.rs:59:41
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn ui(&mut self, ui: &mut egui::Ui, frame: &mut eframe::Frame) {
[INFO] [stdout]    |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_frame`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Note` is never constructed
[INFO] [stdout]   --> src/key.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Note {
[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: `frame`
[INFO] [stdout]   --> src/main.rs:59:41
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn ui(&mut self, ui: &mut egui::Ui, frame: &mut eframe::Frame) {
[INFO] [stdout]    |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_frame`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_notes` is never used
[INFO] [stdout]   --> src/key.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn get_notes(freq: f64) -> Vec<Note>{
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Note` is never constructed
[INFO] [stdout]   --> src/key.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Note {
[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 `get_notes` is never used
[INFO] [stdout]   --> src/key.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn get_notes(freq: f64) -> Vec<Note>{
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     eframe::run_native("sinth", native_options, Box::new(|cc| Ok(Box::new(App::new(cc, device, config)))));
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let _ = eframe::run_native("sinth", native_options, Box::new(|cc| Ok(Box::new(App::new(cc, device, config)))));
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     eframe::run_native("sinth", native_options, Box::new(|cc| Ok(Box::new(App::new(cc, device, config)))));
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let _ = eframe::run_native("sinth", native_options, Box::new(|cc| Ok(Box::new(App::new(cc, device, config)))));
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 08s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v1.2.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "3e949a32f9a4610087b5d9e0fb178664ad86993a121dcdb399ef189ee0f25741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e949a32f9a4610087b5d9e0fb178664ad86993a121dcdb399ef189ee0f25741", kill_on_drop: false }`
[INFO] [stdout] 3e949a32f9a4610087b5d9e0fb178664ad86993a121dcdb399ef189ee0f25741
