[INFO] cloning repository https://github.com/iameva/sounding
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iameva/sounding" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiameva%2Fsounding", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiameva%2Fsounding'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ef57405064812d0760b226a5359c5784fb611474
[INFO] testing iameva/sounding against 1.90.0 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiameva%2Fsounding" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/iameva/sounding
[INFO] finished tweaking git repo https://github.com/iameva/sounding
[INFO] tweaked toml for git repo https://github.com/iameva/sounding written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/iameva/sounding on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/iameva/sounding 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42911bf4a617b5c5743eb3063e55a650165eb4182f5a4932ae1b626635758506
[INFO] running `Command { std: "docker" "start" "-a" "42911bf4a617b5c5743eb3063e55a650165eb4182f5a4932ae1b626635758506", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42911bf4a617b5c5743eb3063e55a650165eb4182f5a4932ae1b626635758506", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42911bf4a617b5c5743eb3063e55a650165eb4182f5a4932ae1b626635758506", kill_on_drop: false }`
[INFO] [stdout] 42911bf4a617b5c5743eb3063e55a650165eb4182f5a4932ae1b626635758506
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27cb5f8da6f656b473315d465994d9ae50fa0d03e2ef9ff3b1879d5919e8ba17
[INFO] running `Command { std: "docker" "start" "-a" "27cb5f8da6f656b473315d465994d9ae50fa0d03e2ef9ff3b1879d5919e8ba17", kill_on_drop: false }`
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[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling cfg-if v0.1.9
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[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling nix v0.13.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
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[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.8
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[INFO] [stderr]    Compiling rand_chacha v0.1.1
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[INFO] [stderr]    Compiling rand_isaac v0.1.1
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[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling downcast-rs v1.0.4
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling gl_generator v0.11.0
[INFO] [stderr]    Compiling owning_ref v0.4.0
[INFO] [stderr]    Compiling walkdir v2.2.8
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]    Compiling stb_truetype v0.2.6
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[INFO] [stderr]    Compiling wayland-scanner v0.21.12
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling syn v0.15.35
[INFO] [stderr]    Compiling smallvec v0.6.9
[INFO] [stderr]    Compiling lock_api v0.1.5
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[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling takeable-option v0.4.0
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling libloading v0.5.1
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling line_drawing v0.7.0
[INFO] [stderr]    Compiling cpal v0.9.0
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.3
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.5
[INFO] [stderr]    Compiling gl v0.12.0
[INFO] [stderr]    Compiling sounding v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling rusttype v0.7.6
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling dlib v0.4.1
[INFO] [stderr]    Compiling wayland-sys v0.21.12
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling wayland-client v0.21.12
[INFO] [stderr]    Compiling wayland-protocols v0.21.12
[INFO] [stderr]    Compiling wayland-commons v0.21.12
[INFO] [stderr]    Compiling derivative v1.0.2
[INFO] [stderr]    Compiling smithay-client-toolkit v0.4.5
[INFO] [stderr]    Compiling winit v0.19.1
[INFO] [stderr]    Compiling glutin v0.21.0
[INFO] [stdout] warning: unused imports: `ContextCurrentWrapper`, `ContextId`, `ContextTracker`, and `ContextWrapper`
[INFO] [stdout]    --> src/support/mod.rs:164:5
[INFO] [stdout]     |
[INFO] [stdout] 164 |     ContextCurrentWrapper, ContextId, ContextTracker, ContextWrapper,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `glutin::Context`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use glutin::Context;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `gl::types::*`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use gl::types::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::mem;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ptr`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::ptr;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::str;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::os::raw::c_void`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::os::raw::c_void;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ffi::CString`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::ffi::CString;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ffi::CStr`
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::ffi::CStr;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]   --> src/main.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::path::{Path, PathBuf};
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]   --> src/main.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use std::io::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/support/mod.rs:77:32
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let mut vb = std::mem::uninitialized();
[INFO] [stdout]    |                                ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/support/mod.rs:89:37
[INFO] [stdout]    |
[INFO] [stdout] 89 |             let mut vao = std::mem::uninitialized();
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/sounding-7b4425aa753a1303/out/gl_bindings.rs:1776:47
[INFO] [stdout]      |
[INFO] [stdout] 1776 |                 fn do_metaloadfn(loadfn: &mut FnMut(&'static str) -> *const __gl_imports::raw::c_void,
[INFO] [stdout]      |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]      = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1776 |                 fn do_metaloadfn(loadfn: &mut dyn FnMut(&'static str) -> *const __gl_imports::raw::c_void,
[INFO] [stdout]      |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `local`
[INFO] [stdout]   --> src/main.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let local = Local::now();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_local`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output_stream_id`
[INFO] [stdout]   --> src/main.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |     let output_stream_id = event_loop.build_output_stream(&output_device, &format).unwrap();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_output_stream_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buffer`
[INFO] [stdout]    --> src/main.rs:141:95
[INFO] [stdout]     |
[INFO] [stdout] 141 |                     cpal::StreamData::Output { buffer: cpal::UnknownTypeOutputBuffer::F32(mut buffer) } => {
[INFO] [stdout]     |                                                                                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:141:91
[INFO] [stdout]     |
[INFO] [stdout] 141 |                     cpal::StreamData::Output { buffer: cpal::UnknownTypeOutputBuffer::F32(mut buffer) } => {
[INFO] [stdout]     |                                                                                           ----^^^^^^
[INFO] [stdout]     |                                                                                           |
[INFO] [stdout]     |                                                                                           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input_stream_id`
[INFO] [stdout]    --> src/main.rs:233:9
[INFO] [stdout]     |
[INFO] [stdout] 233 |     let input_stream_id = event_loop.build_input_stream(&input_device, &format).unwrap();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_stream_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/main.rs:252:29
[INFO] [stdout]     |
[INFO] [stdout] 252 |                         Err(err) => {
[INFO] [stdout]     |                             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SCREEN_WIDTH` is never used
[INFO] [stdout]   --> src/main.rs:33:7
[INFO] [stdout]    |
[INFO] [stdout] 33 | const SCREEN_WIDTH: f64 = 800.0;
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SCREEN_HEIGHT` is never used
[INFO] [stdout]   --> src/main.rs:34:7
[INFO] [stdout]    |
[INFO] [stdout] 34 | const SCREEN_HEIGHT: f64 = 600.0;
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     std::fs::create_dir_all(base_path.clone());
[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] 56 |     let _ = std::fs::create_dir_all(base_path.clone());
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:99:33
[INFO] [stdout]    |
[INFO] [stdout] 99 | ...                   f.write_f32::<BigEndian>(d);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 99 |                                 let _ = f.write_f32::<BigEndian>(d);
[INFO] [stdout]    |                                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:128:33
[INFO] [stdout]     |
[INFO] [stdout] 128 | ...                   tx.send(RecordingEvent::Start(path));
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 128 |                                 let _ = tx.send(RecordingEvent::Start(path));
[INFO] [stdout]     |                                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:132:29
[INFO] [stdout]     |
[INFO] [stdout] 132 | ...                   tx.send(RecordingEvent::Data(buffer.to_vec()));
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 132 |                             let _ = tx.send(RecordingEvent::Data(buffer.to_vec()));
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:137:33
[INFO] [stdout]     |
[INFO] [stdout] 137 | ...                   tx.send(RecordingEvent::Stop());
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 137 |                                 let _ = tx.send(RecordingEvent::Stop());
[INFO] [stdout]     |                                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `u32` does not permit being left uninitialized
[INFO] [stdout]   --> src/support/mod.rs:77:22
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let mut vb = std::mem::uninitialized();
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      this code causes undefined behavior when executed
[INFO] [stdout]    |                      help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `u32` does not permit being left uninitialized
[INFO] [stdout]   --> src/support/mod.rs:89:27
[INFO] [stdout]    |
[INFO] [stdout] 89 |             let mut vao = std::mem::uninitialized();
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           this code causes undefined behavior when executed
[INFO] [stdout]    |                           help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3m 06s
[INFO] running `Command { std: "docker" "inspect" "27cb5f8da6f656b473315d465994d9ae50fa0d03e2ef9ff3b1879d5919e8ba17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27cb5f8da6f656b473315d465994d9ae50fa0d03e2ef9ff3b1879d5919e8ba17", kill_on_drop: false }`
[INFO] [stdout] 27cb5f8da6f656b473315d465994d9ae50fa0d03e2ef9ff3b1879d5919e8ba17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd1ddd90ad26ba0f2b9600f5b7ce600547b5db178e422b4a7f64c497f21794c6
[INFO] running `Command { std: "docker" "start" "-a" "bd1ddd90ad26ba0f2b9600f5b7ce600547b5db178e422b4a7f64c497f21794c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling sounding v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ContextCurrentWrapper`, `ContextId`, `ContextTracker`, and `ContextWrapper`
[INFO] [stdout]    --> src/support/mod.rs:164:5
[INFO] [stdout]     |
[INFO] [stdout] 164 |     ContextCurrentWrapper, ContextId, ContextTracker, ContextWrapper,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `glutin::Context`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use glutin::Context;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `gl::types::*`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use gl::types::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::mem;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ptr`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::ptr;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::str;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::os::raw::c_void`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::os::raw::c_void;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ffi::CString`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::ffi::CString;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ffi::CStr`
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::ffi::CStr;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]   --> src/main.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::path::{Path, PathBuf};
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]   --> src/main.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use std::io::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/support/mod.rs:77:32
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let mut vb = std::mem::uninitialized();
[INFO] [stdout]    |                                ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/support/mod.rs:89:37
[INFO] [stdout]    |
[INFO] [stdout] 89 |             let mut vao = std::mem::uninitialized();
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/sounding-7b4425aa753a1303/out/gl_bindings.rs:1776:47
[INFO] [stdout]      |
[INFO] [stdout] 1776 |                 fn do_metaloadfn(loadfn: &mut FnMut(&'static str) -> *const __gl_imports::raw::c_void,
[INFO] [stdout]      |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]      = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1776 |                 fn do_metaloadfn(loadfn: &mut dyn FnMut(&'static str) -> *const __gl_imports::raw::c_void,
[INFO] [stdout]      |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `local`
[INFO] [stdout]   --> src/main.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let local = Local::now();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_local`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output_stream_id`
[INFO] [stdout]   --> src/main.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |     let output_stream_id = event_loop.build_output_stream(&output_device, &format).unwrap();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_output_stream_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buffer`
[INFO] [stdout]    --> src/main.rs:141:95
[INFO] [stdout]     |
[INFO] [stdout] 141 |                     cpal::StreamData::Output { buffer: cpal::UnknownTypeOutputBuffer::F32(mut buffer) } => {
[INFO] [stdout]     |                                                                                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:141:91
[INFO] [stdout]     |
[INFO] [stdout] 141 |                     cpal::StreamData::Output { buffer: cpal::UnknownTypeOutputBuffer::F32(mut buffer) } => {
[INFO] [stdout]     |                                                                                           ----^^^^^^
[INFO] [stdout]     |                                                                                           |
[INFO] [stdout]     |                                                                                           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input_stream_id`
[INFO] [stdout]    --> src/main.rs:233:9
[INFO] [stdout]     |
[INFO] [stdout] 233 |     let input_stream_id = event_loop.build_input_stream(&input_device, &format).unwrap();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_stream_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/main.rs:252:29
[INFO] [stdout]     |
[INFO] [stdout] 252 |                         Err(err) => {
[INFO] [stdout]     |                             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SCREEN_WIDTH` is never used
[INFO] [stdout]   --> src/main.rs:33:7
[INFO] [stdout]    |
[INFO] [stdout] 33 | const SCREEN_WIDTH: f64 = 800.0;
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SCREEN_HEIGHT` is never used
[INFO] [stdout]   --> src/main.rs:34:7
[INFO] [stdout]    |
[INFO] [stdout] 34 | const SCREEN_HEIGHT: f64 = 600.0;
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     std::fs::create_dir_all(base_path.clone());
[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] 56 |     let _ = std::fs::create_dir_all(base_path.clone());
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:99:33
[INFO] [stdout]    |
[INFO] [stdout] 99 | ...                   f.write_f32::<BigEndian>(d);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 99 |                                 let _ = f.write_f32::<BigEndian>(d);
[INFO] [stdout]    |                                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:128:33
[INFO] [stdout]     |
[INFO] [stdout] 128 | ...                   tx.send(RecordingEvent::Start(path));
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 128 |                                 let _ = tx.send(RecordingEvent::Start(path));
[INFO] [stdout]     |                                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:132:29
[INFO] [stdout]     |
[INFO] [stdout] 132 | ...                   tx.send(RecordingEvent::Data(buffer.to_vec()));
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 132 |                             let _ = tx.send(RecordingEvent::Data(buffer.to_vec()));
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:137:33
[INFO] [stdout]     |
[INFO] [stdout] 137 | ...                   tx.send(RecordingEvent::Stop());
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 137 |                                 let _ = tx.send(RecordingEvent::Stop());
[INFO] [stdout]     |                                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `u32` does not permit being left uninitialized
[INFO] [stdout]   --> src/support/mod.rs:77:22
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let mut vb = std::mem::uninitialized();
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      this code causes undefined behavior when executed
[INFO] [stdout]    |                      help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `u32` does not permit being left uninitialized
[INFO] [stdout]   --> src/support/mod.rs:89:27
[INFO] [stdout]    |
[INFO] [stdout] 89 |             let mut vao = std::mem::uninitialized();
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           this code causes undefined behavior when executed
[INFO] [stdout]    |                           help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "bd1ddd90ad26ba0f2b9600f5b7ce600547b5db178e422b4a7f64c497f21794c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd1ddd90ad26ba0f2b9600f5b7ce600547b5db178e422b4a7f64c497f21794c6", kill_on_drop: false }`
[INFO] [stdout] bd1ddd90ad26ba0f2b9600f5b7ce600547b5db178e422b4a7f64c497f21794c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 092f92509a0677ef0a9eafb8a9b5635841b7d5995bd071d2d441f210bf7cca9a
[INFO] running `Command { std: "docker" "start" "-a" "092f92509a0677ef0a9eafb8a9b5635841b7d5995bd071d2d441f210bf7cca9a", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `ContextCurrentWrapper`, `ContextId`, `ContextTracker`, and `ContextWrapper`
[INFO] [stderr]    --> src/support/mod.rs:164:5
[INFO] [stderr]     |
[INFO] [stderr] 164 |     ContextCurrentWrapper, ContextId, ContextTracker, ContextWrapper,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `glutin::Context`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use glutin::Context;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `gl::types::*`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use gl::types::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::mem;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ptr`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::ptr;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::str;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::os::raw::c_void`
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::os::raw::c_void;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ffi::CString`
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::ffi::CString;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ffi::CStr`
[INFO] [stderr]   --> src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use std::ffi::CStr;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Path`
[INFO] [stderr]   --> src/main.rs:18:17
[INFO] [stderr]    |
[INFO] [stderr] 18 | use std::path::{Path, PathBuf};
[INFO] [stderr]    |                 ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude::*`
[INFO] [stderr]   --> src/main.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 | use std::io::prelude::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/support/mod.rs:77:32
[INFO] [stderr]    |
[INFO] [stderr] 77 |         let mut vb = std::mem::uninitialized();
[INFO] [stderr]    |                                ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/support/mod.rs:89:37
[INFO] [stderr]    |
[INFO] [stderr] 89 |             let mut vao = std::mem::uninitialized();
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/sounding-7b4425aa753a1303/out/gl_bindings.rs:1776:47
[INFO] [stderr]      |
[INFO] [stderr] 1776 |                 fn do_metaloadfn(loadfn: &mut FnMut(&'static str) -> *const __gl_imports::raw::c_void,
[INFO] [stderr]      |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]      = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]      |
[INFO] [stderr] 1776 |                 fn do_metaloadfn(loadfn: &mut dyn FnMut(&'static str) -> *const __gl_imports::raw::c_void,
[INFO] [stderr]      |                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `local`
[INFO] [stderr]   --> src/main.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 |     let local = Local::now();
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_local`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output_stream_id`
[INFO] [stderr]   --> src/main.rs:76:9
[INFO] [stderr]    |
[INFO] [stderr] 76 |     let output_stream_id = event_loop.build_output_stream(&output_device, &format).unwrap();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_output_stream_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buffer`
[INFO] [stderr]    --> src/main.rs:141:95
[INFO] [stderr]     |
[INFO] [stderr] 141 |                     cpal::StreamData::Output { buffer: cpal::UnknownTypeOutputBuffer::F32(mut buffer) } => {
[INFO] [stderr]     |                                                                                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:141:91
[INFO] [stderr]     |
[INFO] [stderr] 141 |                     cpal::StreamData::Output { buffer: cpal::UnknownTypeOutputBuffer::F32(mut buffer) } => {
[INFO] [stderr]     |                                                                                           ----^^^^^^
[INFO] [stderr]     |                                                                                           |
[INFO] [stderr]     |                                                                                           help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input_stream_id`
[INFO] [stderr]    --> src/main.rs:233:9
[INFO] [stderr]     |
[INFO] [stderr] 233 |     let input_stream_id = event_loop.build_input_stream(&input_device, &format).unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_stream_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/main.rs:252:29
[INFO] [stderr]     |
[INFO] [stderr] 252 |                         Err(err) => {
[INFO] [stderr]     |                             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `SCREEN_WIDTH` is never used
[INFO] [stderr]   --> src/main.rs:33:7
[INFO] [stderr]    |
[INFO] [stderr] 33 | const SCREEN_WIDTH: f64 = 800.0;
[INFO] [stderr]    |       ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `SCREEN_HEIGHT` is never used
[INFO] [stderr]   --> src/main.rs:34:7
[INFO] [stderr]    |
[INFO] [stderr] 34 | const SCREEN_HEIGHT: f64 = 600.0;
[INFO] [stderr]    |       ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     std::fs::create_dir_all(base_path.clone());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 56 |     let _ = std::fs::create_dir_all(base_path.clone());
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:99:33
[INFO] [stderr]    |
[INFO] [stderr] 99 | ...                   f.write_f32::<BigEndian>(d);
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 99 |                                 let _ = f.write_f32::<BigEndian>(d);
[INFO] [stderr]    |                                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:128:33
[INFO] [stderr]     |
[INFO] [stderr] 128 | ...                   tx.send(RecordingEvent::Start(path));
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 128 |                                 let _ = tx.send(RecordingEvent::Start(path));
[INFO] [stderr]     |                                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:132:29
[INFO] [stderr]     |
[INFO] [stderr] 132 | ...                   tx.send(RecordingEvent::Data(buffer.to_vec()));
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 132 |                             let _ = tx.send(RecordingEvent::Data(buffer.to_vec()));
[INFO] [stderr]     |                             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:137:33
[INFO] [stderr]     |
[INFO] [stderr] 137 | ...                   tx.send(RecordingEvent::Stop());
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 137 |                                 let _ = tx.send(RecordingEvent::Stop());
[INFO] [stderr]     |                                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: the type `u32` does not permit being left uninitialized
[INFO] [stderr]   --> src/support/mod.rs:77:22
[INFO] [stderr]    |
[INFO] [stderr] 77 |         let mut vb = std::mem::uninitialized();
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |                      |
[INFO] [stderr]    |                      this code causes undefined behavior when executed
[INFO] [stderr]    |                      help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]    |
[INFO] [stderr]    = note: integers must be initialized
[INFO] [stderr]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the type `u32` does not permit being left uninitialized
[INFO] [stderr]   --> src/support/mod.rs:89:27
[INFO] [stderr]    |
[INFO] [stderr] 89 |             let mut vao = std::mem::uninitialized();
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |                           |
[INFO] [stderr]    |                           this code causes undefined behavior when executed
[INFO] [stderr]    |                           help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]    |
[INFO] [stderr]    = note: integers must be initialized
[INFO] [stderr] 
[INFO] [stderr] warning: `sounding` (bin "sounding" test) generated 29 warnings (run `cargo fix --bin "sounding" --tests` to apply 13 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/sounding-319e779aec0c1d8e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "092f92509a0677ef0a9eafb8a9b5635841b7d5995bd071d2d441f210bf7cca9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "092f92509a0677ef0a9eafb8a9b5635841b7d5995bd071d2d441f210bf7cca9a", kill_on_drop: false }`
[INFO] [stdout] 092f92509a0677ef0a9eafb8a9b5635841b7d5995bd071d2d441f210bf7cca9a
