[INFO] cloning repository https://github.com/psteffensen/sinus-synth
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/psteffensen/sinus-synth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsteffensen%2Fsinus-synth", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsteffensen%2Fsinus-synth'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b37f2d4c6809f90f0abc1ab22776663d68995ddb
[INFO] checking psteffensen/sinus-synth against try#14e4661efa5acbf985e4fe564baae04683366cc1 for pr-157696
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsteffensen%2Fsinus-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] started tweaking git repo https://github.com/psteffensen/sinus-synth
[INFO] finished tweaking git repo https://github.com/psteffensen/sinus-synth
[INFO] tweaked toml for git repo https://github.com/psteffensen/sinus-synth written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/psteffensen/sinus-synth on toolchain 14e4661efa5acbf985e4fe564baae04683366cc1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+14e4661efa5acbf985e4fe564baae04683366cc1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/psteffensen/sinus-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" "+14e4661efa5acbf985e4fe564baae04683366cc1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `sinus-synth` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 031b0b821b1efddcc1a4e53029a0eaf0d88ed0baf81b40899655ff4f0dafbf81
[INFO] running `Command { std: "docker" "start" "031b0b821b1efddcc1a4e53029a0eaf0d88ed0baf81b40899655ff4f0dafbf81", 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" "031b0b821b1efddcc1a4e53029a0eaf0d88ed0baf81b40899655ff4f0dafbf81" "/opt/rustwide/cargo-home/bin/cargo" "+14e4661efa5acbf985e4fe564baae04683366cc1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "031b0b821b1efddcc1a4e53029a0eaf0d88ed0baf81b40899655ff4f0dafbf81", 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" "031b0b821b1efddcc1a4e53029a0eaf0d88ed0baf81b40899655ff4f0dafbf81" "/opt/rustwide/cargo-home/bin/cargo" "+14e4661efa5acbf985e4fe564baae04683366cc1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `sinus-synth` (manifest) generated 1 warning
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling khronos_api v3.0.0
[INFO] [stderr]     Checking piston-float v0.3.0
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]     Checking arrayvec v0.4.8
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking stb_truetype v0.2.4
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling serde v1.0.82
[INFO] [stderr]     Checking piston-viewport v0.5.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking unreachable v1.0.0
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[INFO] [stderr]    Compiling nix v0.12.0
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking downcast-rs v1.0.3
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
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[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking walkdir v2.2.7
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking rand_xorshift v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking shader_version v0.3.0
[INFO] [stderr]     Checking adler32 v1.0.3
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[INFO] [stderr]     Checking approx v0.3.0
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling wayland-scanner v0.21.7
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]     Checking rusttype v0.7.3
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]     Checking inflate v0.4.4
[INFO] [stderr]     Checking deflate v0.7.19
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]    Compiling wayland-client v0.21.7
[INFO] [stderr]    Compiling wayland-protocols v0.21.7
[INFO] [stderr]     Checking andrew v0.1.4
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]    Compiling glutin v0.19.0
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking wayland-sys v0.21.7
[INFO] [stderr]     Checking gif v0.10.1
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking vecmath v0.3.1
[INFO] [stderr]     Checking piston-texture v0.6.0
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking read_color v1.0.0
[INFO] [stderr]     Checking interpolation v0.1.0
[INFO] [stderr]     Checking piston-shaders_graphics2d v0.3.1
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking piston2d-graphics v0.28.0
[INFO] [stderr]     Checking wayland-commons v0.21.7
[INFO] [stderr]    Compiling serde_derive v1.0.82
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking tiff v0.2.1
[INFO] [stderr]     Checking image v0.20.1
[INFO] [stderr]     Checking smithay-client-toolkit v0.4.3
[INFO] [stderr]     Checking pistoncore-input v0.23.0
[INFO] [stderr]     Checking winit v0.18.0
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.57.0
[INFO] [stderr]     Checking pistoncore-window v0.34.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.39.0
[INFO] [stderr]     Checking piston v0.39.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.51.1
[INFO] [stderr]     Checking sinus-synth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/main.rs:99:55
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn open_sound(file_name: &str) -> std::io::Result<(String)> { 
[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] 99 -     fn open_sound(file_name: &str) -> std::io::Result<(String)> { 
[INFO] [stdout] 99 +     fn open_sound(file_name: &str) -> std::io::Result<String > { 
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/main.rs:130:70
[INFO] [stdout]     |
[INFO] [stdout] 130 |                     let temp: Vec<&str> = params[9].trim().split(|x| (x == ' ')).collect();
[INFO] [stdout]     |                                                                      ^        ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 130 -                     let temp: Vec<&str> = params[9].trim().split(|x| (x == ' ')).collect();
[INFO] [stdout] 130 +                     let temp: Vec<&str> = params[9].trim().split(|x| x == ' ' ).collect();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/main.rs:134:73
[INFO] [stdout]     |
[INFO] [stdout] 134 | ...                   let fraction: Vec<&str> = temp[1].split(|x| (x == '/')).collect();
[INFO] [stdout]     |                                                                   ^        ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 134 -                             let fraction: Vec<&str> = temp[1].split(|x| (x == '/')).collect();
[INFO] [stdout] 134 +                             let fraction: Vec<&str> = temp[1].split(|x| x == '/' ).collect();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/main.rs:99:55
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn open_sound(file_name: &str) -> std::io::Result<(String)> { 
[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] 99 -     fn open_sound(file_name: &str) -> std::io::Result<(String)> { 
[INFO] [stdout] 99 +     fn open_sound(file_name: &str) -> std::io::Result<String > { 
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/main.rs:130:70
[INFO] [stdout]     |
[INFO] [stdout] 130 |                     let temp: Vec<&str> = params[9].trim().split(|x| (x == ' ')).collect();
[INFO] [stdout]     |                                                                      ^        ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 130 -                     let temp: Vec<&str> = params[9].trim().split(|x| (x == ' ')).collect();
[INFO] [stdout] 130 +                     let temp: Vec<&str> = params[9].trim().split(|x| x == ' ' ).collect();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/main.rs:134:73
[INFO] [stdout]     |
[INFO] [stdout] 134 | ...                   let fraction: Vec<&str> = temp[1].split(|x| (x == '/')).collect();
[INFO] [stdout]     |                                                                   ^        ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 134 -                             let fraction: Vec<&str> = temp[1].split(|x| (x == '/')).collect();
[INFO] [stdout] 134 +                             let fraction: Vec<&str> = temp[1].split(|x| x == '/' ).collect();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_name`
[INFO] [stdout]   --> src/main.rs:80:13
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let file_name = "sound.sin";
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `contents`
[INFO] [stdout]   --> src/main.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |         let contents = App::open_sound("sound_test.sin");
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_contents`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size_usize`
[INFO] [stdout]    --> src/main.rs:100:13
[INFO] [stdout]     |
[INFO] [stdout] 100 |         let size_usize: usize = mem::size_of::<usize>();
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_size_usize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `adsr`
[INFO] [stdout]    --> src/main.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |         let mut adsr: [[f64; 4]; 1];
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_adsr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `seq`
[INFO] [stdout]    --> src/main.rs:119:13
[INFO] [stdout]     |
[INFO] [stdout] 119 |         let mut seq: [[f64; 2]; 2048];
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_seq`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]    --> src/main.rs:122:26
[INFO] [stdout]     |
[INFO] [stdout] 122 | ...   let mut i  = 1 as usize;
[INFO] [stdout]     |                    ^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 125 | ...       "tone" => { i = params[1].trim().parse::<usize>().unwrap(); // number. Trim takes away white spaces, parse parses to f64 ...
[INFO] [stdout]     |                       ---------------------------------------------- `i` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]    --> src/main.rs:160:21
[INFO] [stdout]     |
[INFO] [stdout] 160 | ...   i = params[1].trim().parse::<usize>().unwrap(); // number. Trim takes away white spaces, parse parses to f64 and unwrap unwra...
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/main.rs:364:124
[INFO] [stdout]     |
[INFO] [stdout] 364 | ...ave: f64, pi: f64, pitch: f64, x: u32, y: u32, rotate: u32) {
[INFO] [stdout]     |                                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/main.rs:364:132
[INFO] [stdout]     |
[INFO] [stdout] 364 | ..., pi: f64, pitch: f64, x: u32, y: u32, rotate: u32) {
[INFO] [stdout]     |                                   ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rotate`
[INFO] [stdout]    --> src/main.rs:364:140
[INFO] [stdout]     |
[INFO] [stdout] 364 | ...tch: f64, x: u32, y: u32, rotate: u32) {
[INFO] [stdout]     |                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_rotate`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sound` is never read
[INFO] [stdout]   --> src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct App {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 26 |     sound: [[f64; 4];64],
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Connect` is never constructed
[INFO] [stdout]   --> src/main.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | struct Connect {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `pitch2freqFormula` and `save_sound` are never used
[INFO] [stdout]    --> src/main.rs:172:8
[INFO] [stdout]     |
[INFO] [stdout]  66 | impl App {
[INFO] [stdout]     | -------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 172 |     fn pitch2freqFormula(pitch: u32) -> f64 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 338 |     fn save_sound(&self, file_name: &str) -> std::io::Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `pitch2freqFormula` should have a snake case name
[INFO] [stdout]    --> src/main.rs:172:8
[INFO] [stdout]     |
[INFO] [stdout] 172 |     fn pitch2freqFormula(pitch: u32) -> f64 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `pitch2freq_formula`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_name`
[INFO] [stdout]   --> src/main.rs:80:13
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let file_name = "sound.sin";
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `contents`
[INFO] [stdout]   --> src/main.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |         let contents = App::open_sound("sound_test.sin");
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_contents`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size_usize`
[INFO] [stdout]    --> src/main.rs:100:13
[INFO] [stdout]     |
[INFO] [stdout] 100 |         let size_usize: usize = mem::size_of::<usize>();
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_size_usize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `adsr`
[INFO] [stdout]    --> src/main.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |         let mut adsr: [[f64; 4]; 1];
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_adsr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `seq`
[INFO] [stdout]    --> src/main.rs:119:13
[INFO] [stdout]     |
[INFO] [stdout] 119 |         let mut seq: [[f64; 2]; 2048];
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_seq`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]    --> src/main.rs:122:26
[INFO] [stdout]     |
[INFO] [stdout] 122 | ...   let mut i  = 1 as usize;
[INFO] [stdout]     |                    ^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 125 | ...       "tone" => { i = params[1].trim().parse::<usize>().unwrap(); // number. Trim takes away white spaces, parse parses to f64 ...
[INFO] [stdout]     |                       ---------------------------------------------- `i` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]    --> src/main.rs:160:21
[INFO] [stdout]     |
[INFO] [stdout] 160 | ...   i = params[1].trim().parse::<usize>().unwrap(); // number. Trim takes away white spaces, parse parses to f64 and unwrap unwra...
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/main.rs:364:124
[INFO] [stdout]     |
[INFO] [stdout] 364 | ...ave: f64, pi: f64, pitch: f64, x: u32, y: u32, rotate: u32) {
[INFO] [stdout]     |                                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/main.rs:364:132
[INFO] [stdout]     |
[INFO] [stdout] 364 | ..., pi: f64, pitch: f64, x: u32, y: u32, rotate: u32) {
[INFO] [stdout]     |                                   ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rotate`
[INFO] [stdout]    --> src/main.rs:364:140
[INFO] [stdout]     |
[INFO] [stdout] 364 | ...tch: f64, x: u32, y: u32, rotate: u32) {
[INFO] [stdout]     |                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_rotate`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sound` is never read
[INFO] [stdout]   --> src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct App {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 26 |     sound: [[f64; 4];64],
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Connect` is never constructed
[INFO] [stdout]   --> src/main.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | struct Connect {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `pitch2freqFormula` and `save_sound` are never used
[INFO] [stdout]    --> src/main.rs:172:8
[INFO] [stdout]     |
[INFO] [stdout]  66 | impl App {
[INFO] [stdout]     | -------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 172 |     fn pitch2freqFormula(pitch: u32) -> f64 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 338 |     fn save_sound(&self, file_name: &str) -> std::io::Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `pitch2freqFormula` should have a snake case name
[INFO] [stdout]    --> src/main.rs:172:8
[INFO] [stdout]     |
[INFO] [stdout] 172 |     fn pitch2freqFormula(pitch: u32) -> f64 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `pitch2freq_formula`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.49s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: glutin v0.19.0, winit v0.18.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "031b0b821b1efddcc1a4e53029a0eaf0d88ed0baf81b40899655ff4f0dafbf81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "031b0b821b1efddcc1a4e53029a0eaf0d88ed0baf81b40899655ff4f0dafbf81", kill_on_drop: false }`
[INFO] [stdout] 031b0b821b1efddcc1a4e53029a0eaf0d88ed0baf81b40899655ff4f0dafbf81
