[INFO] cloning repository https://github.com/MaderNoob/voice_chat_v1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MaderNoob/voice_chat_v1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaderNoob%2Fvoice_chat_v1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaderNoob%2Fvoice_chat_v1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 85207a4bf22854af9672eed3050408b2646703b5
[INFO] testing MaderNoob/voice_chat_v1 against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaderNoob%2Fvoice_chat_v1" "/workspace/builds/worker-76/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-76/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MaderNoob/voice_chat_v1 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MaderNoob/voice_chat_v1
[INFO] finished tweaking git repo https://github.com/MaderNoob/voice_chat_v1
[INFO] tweaked toml for git repo https://github.com/MaderNoob/voice_chat_v1 written to /workspace/builds/worker-76/source/Cargo.toml
[INFO] crate git repo https://github.com/MaderNoob/voice_chat_v1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded combine v4.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 259b153a4c9b33ec246f384bb7b955f5a5cbf77a44294361fd97ad674f8faca8
[INFO] running `Command { std: "docker" "start" "-a" "259b153a4c9b33ec246f384bb7b955f5a5cbf77a44294361fd97ad674f8faca8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "259b153a4c9b33ec246f384bb7b955f5a5cbf77a44294361fd97ad674f8faca8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "259b153a4c9b33ec246f384bb7b955f5a5cbf77a44294361fd97ad674f8faca8", kill_on_drop: false }`
[INFO] [stdout] 259b153a4c9b33ec246f384bb7b955f5a5cbf77a44294361fd97ad674f8faca8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3b5e24b56ff7917ff6813ee265b83198b0d70cd92eaa15b07fdebd0f71a2fef
[INFO] running `Command { std: "docker" "start" "-a" "e3b5e24b56ff7917ff6813ee265b83198b0d70cd92eaa15b07fdebd0f71a2fef", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling cpal v0.13.1
[INFO] [stderr]    Compiling text_io v0.1.8
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling alsa v0.4.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling num_enum_derive v0.5.1
[INFO] [stderr]    Compiling num_enum v0.5.1
[INFO] [stderr]    Compiling voice_chat_v1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `SampleFormat`, `host_from_id`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     host_from_id,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 3 |     traits::{DeviceTrait, HostTrait, StreamTrait},
[INFO] [stdout] 4 |     SampleFormat,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::UdpSocket`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::net::UdpSocket;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `net::SocketAddr`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     net::SocketAddr,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `info`
[INFO] [stdout]   --> src/main.rs:42:33
[INFO] [stdout]    |
[INFO] [stdout] 42 |             move |data: &[f32], info| {
[INFO] [stdout]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_info`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `info`
[INFO] [stdout]   --> src/main.rs:60:37
[INFO] [stdout]    |
[INFO] [stdout] 60 |             move |data: &mut [f32], info| {
[INFO] [stdout]    |                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `info`
[INFO] [stdout]    --> src/main.rs:100:33
[INFO] [stdout]     |
[INFO] [stdout] 100 |             move |data: &[f32], info| {
[INFO] [stdout]     |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `info`
[INFO] [stdout]    --> src/main.rs:124:37
[INFO] [stdout]     |
[INFO] [stdout] 124 |             move |data: &mut [f32], info| {
[INFO] [stdout]     |                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `warning`
[INFO] [stdout]   --> src/control.rs:54:19
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn handle_warning(warning: ControlWarningKind) {}
[INFO] [stdout]    |                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_warning`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ep`
[INFO] [stdout]   --> src/control.rs:67:22
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let (amount, ep) = sock
[INFO] [stdout]    |                      ^^ help: if this is intentional, prefix it with an underscore: `_ep`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request_code`
[INFO] [stdout]   --> src/control.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 73 |         let request_code = match InitialRequestCode::try_from(buffer[0]) {
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main_channels`
[INFO] [stdout]   --> src/main.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn main_channels() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main_mutex`
[INFO] [stdout]   --> src/main.rs:81:4
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn main_mutex() {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `CONTROL_PORT`
[INFO] [stdout]  --> src/control.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const CONTROL_PORT: u16 = 4741;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `ControlWarningKind`
[INFO] [stdout]  --> src/control.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum ControlWarningKind {
[INFO] [stdout]   |      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BindControlSocket`
[INFO] [stdout]   --> src/control.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     BindControlSocket,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `ControlErrorKind` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/control.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Receive`
[INFO] [stdout]   --> src/control.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Receive,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `ControlErrorKind` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/control.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SetNonBlocking`
[INFO] [stdout]   --> src/control.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     SetNonBlocking,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `ControlErrorKind` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/control.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `kind`
[INFO] [stdout]   --> src/control.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     kind: ControlErrorKind,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `ControlError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/control.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `inner`
[INFO] [stdout]   --> src/control.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     inner: Option<std::io::Error>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `ControlError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/control.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `handle_warning`
[INFO] [stdout]   --> src/control.rs:54:4
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn handle_warning(warning: ControlWarningKind) {}
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `control_thread`
[INFO] [stdout]   --> src/control.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn control_thread() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `start_control_thread`
[INFO] [stdout]   --> src/control.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn start_control_thread() -> Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `wait_for_conversation`
[INFO] [stdout]   --> src/control.rs:64:4
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn wait_for_conversation(sock: UdpSocket) -> Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 sender.send(Vec::from(data));
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 52s
[INFO] running `Command { std: "docker" "inspect" "e3b5e24b56ff7917ff6813ee265b83198b0d70cd92eaa15b07fdebd0f71a2fef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3b5e24b56ff7917ff6813ee265b83198b0d70cd92eaa15b07fdebd0f71a2fef", kill_on_drop: false }`
[INFO] [stdout] e3b5e24b56ff7917ff6813ee265b83198b0d70cd92eaa15b07fdebd0f71a2fef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e8cee8bf0307e957d3d8ca1bb72c72a3f10db73e34ebd1069ef9e924710a8f7
[INFO] running `Command { std: "docker" "start" "-a" "4e8cee8bf0307e957d3d8ca1bb72c72a3f10db73e34ebd1069ef9e924710a8f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling voice_chat_v1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `SampleFormat`, `host_from_id`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     host_from_id,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 3 |     traits::{DeviceTrait, HostTrait, StreamTrait},
[INFO] [stdout] 4 |     SampleFormat,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::UdpSocket`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::net::UdpSocket;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `net::SocketAddr`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     net::SocketAddr,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `info`
[INFO] [stdout]   --> src/main.rs:42:33
[INFO] [stdout]    |
[INFO] [stdout] 42 |             move |data: &[f32], info| {
[INFO] [stdout]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_info`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `info`
[INFO] [stdout]   --> src/main.rs:60:37
[INFO] [stdout]    |
[INFO] [stdout] 60 |             move |data: &mut [f32], info| {
[INFO] [stdout]    |                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `info`
[INFO] [stdout]    --> src/main.rs:100:33
[INFO] [stdout]     |
[INFO] [stdout] 100 |             move |data: &[f32], info| {
[INFO] [stdout]     |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `info`
[INFO] [stdout]    --> src/main.rs:124:37
[INFO] [stdout]     |
[INFO] [stdout] 124 |             move |data: &mut [f32], info| {
[INFO] [stdout]     |                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `warning`
[INFO] [stdout]   --> src/control.rs:54:19
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn handle_warning(warning: ControlWarningKind) {}
[INFO] [stdout]    |                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_warning`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ep`
[INFO] [stdout]   --> src/control.rs:67:22
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let (amount, ep) = sock
[INFO] [stdout]    |                      ^^ help: if this is intentional, prefix it with an underscore: `_ep`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request_code`
[INFO] [stdout]   --> src/control.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 73 |         let request_code = match InitialRequestCode::try_from(buffer[0]) {
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main_channels`
[INFO] [stdout]   --> src/main.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn main_channels() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main_mutex`
[INFO] [stdout]   --> src/main.rs:81:4
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn main_mutex() {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `CONTROL_PORT`
[INFO] [stdout]  --> src/control.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const CONTROL_PORT: u16 = 4741;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `ControlWarningKind`
[INFO] [stdout]  --> src/control.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum ControlWarningKind {
[INFO] [stdout]   |      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BindControlSocket`
[INFO] [stdout]   --> src/control.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     BindControlSocket,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `ControlErrorKind` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/control.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Receive`
[INFO] [stdout]   --> src/control.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Receive,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `ControlErrorKind` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/control.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SetNonBlocking`
[INFO] [stdout]   --> src/control.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     SetNonBlocking,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `ControlErrorKind` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/control.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `kind`
[INFO] [stdout]   --> src/control.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     kind: ControlErrorKind,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `ControlError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/control.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `inner`
[INFO] [stdout]   --> src/control.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     inner: Option<std::io::Error>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `ControlError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/control.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `handle_warning`
[INFO] [stdout]   --> src/control.rs:54:4
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn handle_warning(warning: ControlWarningKind) {}
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `control_thread`
[INFO] [stdout]   --> src/control.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn control_thread() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `start_control_thread`
[INFO] [stdout]   --> src/control.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn start_control_thread() -> Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `wait_for_conversation`
[INFO] [stdout]   --> src/control.rs:64:4
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn wait_for_conversation(sock: UdpSocket) -> Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 sender.send(Vec::from(data));
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "4e8cee8bf0307e957d3d8ca1bb72c72a3f10db73e34ebd1069ef9e924710a8f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e8cee8bf0307e957d3d8ca1bb72c72a3f10db73e34ebd1069ef9e924710a8f7", kill_on_drop: false }`
[INFO] [stdout] 4e8cee8bf0307e957d3d8ca1bb72c72a3f10db73e34ebd1069ef9e924710a8f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a735cf88b1d2e6783cf97fae68d62a7fd2b2e0e579c9462914f87c7f508f9a90
[INFO] running `Command { std: "docker" "start" "-a" "a735cf88b1d2e6783cf97fae68d62a7fd2b2e0e579c9462914f87c7f508f9a90", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `SampleFormat`, `host_from_id`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     host_from_id,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 3 |     traits::{DeviceTrait, HostTrait, StreamTrait},
[INFO] [stderr] 4 |     SampleFormat,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::net::UdpSocket`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::net::UdpSocket;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `net::SocketAddr`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     net::SocketAddr,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `info`
[INFO] [stderr]   --> src/main.rs:42:33
[INFO] [stderr]    |
[INFO] [stderr] 42 |             move |data: &[f32], info| {
[INFO] [stderr]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_info`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `info`
[INFO] [stderr]   --> src/main.rs:60:37
[INFO] [stderr]    |
[INFO] [stderr] 60 |             move |data: &mut [f32], info| {
[INFO] [stderr]    |                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_info`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `info`
[INFO] [stderr]    --> src/main.rs:100:33
[INFO] [stderr]     |
[INFO] [stderr] 100 |             move |data: &[f32], info| {
[INFO] [stderr]     |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_info`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `info`
[INFO] [stderr]    --> src/main.rs:124:37
[INFO] [stderr]     |
[INFO] [stderr] 124 |             move |data: &mut [f32], info| {
[INFO] [stderr]     |                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_info`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `warning`
[INFO] [stderr]   --> src/control.rs:54:19
[INFO] [stderr]    |
[INFO] [stderr] 54 | fn handle_warning(warning: ControlWarningKind) {}
[INFO] [stderr]    |                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_warning`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ep`
[INFO] [stderr]   --> src/control.rs:67:22
[INFO] [stderr]    |
[INFO] [stderr] 67 |         let (amount, ep) = sock
[INFO] [stderr]    |                      ^^ help: if this is intentional, prefix it with an underscore: `_ep`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `request_code`
[INFO] [stderr]   --> src/control.rs:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 |         let request_code = match InitialRequestCode::try_from(buffer[0]) {
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request_code`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `main_channels`
[INFO] [stderr]   --> src/main.rs:26:4
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn main_channels() {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `main_mutex`
[INFO] [stderr]   --> src/main.rs:81:4
[INFO] [stderr]    |
[INFO] [stderr] 81 | fn main_mutex() {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `CONTROL_PORT`
[INFO] [stderr]  --> src/control.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub const CONTROL_PORT: u16 = 4741;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ControlWarningKind`
[INFO] [stderr]  --> src/control.rs:7:6
[INFO] [stderr]   |
[INFO] [stderr] 7 | enum ControlWarningKind {
[INFO] [stderr]   |      ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BindControlSocket`
[INFO] [stderr]   --> src/control.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     BindControlSocket,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `ControlErrorKind` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/control.rs:11:10
[INFO] [stderr]    |
[INFO] [stderr] 11 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Receive`
[INFO] [stderr]   --> src/control.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Receive,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `ControlErrorKind` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/control.rs:11:10
[INFO] [stderr]    |
[INFO] [stderr] 11 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SetNonBlocking`
[INFO] [stderr]   --> src/control.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     SetNonBlocking,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `ControlErrorKind` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/control.rs:11:10
[INFO] [stderr]    |
[INFO] [stderr] 11 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `kind`
[INFO] [stderr]   --> src/control.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     kind: ControlErrorKind,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `ControlError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/control.rs:17:10
[INFO] [stderr]    |
[INFO] [stderr] 17 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `inner`
[INFO] [stderr]   --> src/control.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     inner: Option<std::io::Error>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `ControlError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/control.rs:17:10
[INFO] [stderr]    |
[INFO] [stderr] 17 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `handle_warning`
[INFO] [stderr]   --> src/control.rs:54:4
[INFO] [stderr]    |
[INFO] [stderr] 54 | fn handle_warning(warning: ControlWarningKind) {}
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `control_thread`
[INFO] [stderr]   --> src/control.rs:55:8
[INFO] [stderr]    |
[INFO] [stderr] 55 | pub fn control_thread() {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `start_control_thread`
[INFO] [stderr]   --> src/control.rs:58:4
[INFO] [stderr]    |
[INFO] [stderr] 58 | fn start_control_thread() -> Result<()> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `wait_for_conversation`
[INFO] [stderr]   --> src/control.rs:64:4
[INFO] [stderr]    |
[INFO] [stderr] 64 | fn wait_for_conversation(sock: UdpSocket) -> Result<()> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:44:17
[INFO] [stderr]    |
[INFO] [stderr] 44 |                 sender.send(Vec::from(data));
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `voice_chat_v1` (bin "voice_chat_v1" test) generated 24 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/voice_chat_v1-42a25a37c43c3ee2)
[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" "a735cf88b1d2e6783cf97fae68d62a7fd2b2e0e579c9462914f87c7f508f9a90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a735cf88b1d2e6783cf97fae68d62a7fd2b2e0e579c9462914f87c7f508f9a90", kill_on_drop: false }`
[INFO] [stdout] a735cf88b1d2e6783cf97fae68d62a7fd2b2e0e579c9462914f87c7f508f9a90