[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] checking MaderNoob/voice_chat_v1 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaderNoob%2Fvoice_chat_v1" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MaderNoob/voice_chat_v1 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", 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-12/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" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 391fc168675cd53885c48894d29110c3b0c61c6e322a0daa9540a324a535fc82
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "391fc168675cd53885c48894d29110c3b0c61c6e322a0daa9540a324a535fc82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "391fc168675cd53885c48894d29110c3b0c61c6e322a0daa9540a324a535fc82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "391fc168675cd53885c48894d29110c3b0c61c6e322a0daa9540a324a535fc82", kill_on_drop: false }`
[INFO] [stdout] 391fc168675cd53885c48894d29110c3b0c61c6e322a0daa9540a324a535fc82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9987266ae227c91e4d29a9110b2f54a5490fb7f4c74ef44fc1ff1b079b6ef9cb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9987266ae227c91e4d29a9110b2f54a5490fb7f4c74ef44fc1ff1b079b6ef9cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling cpal v0.13.1
[INFO] [stderr]     Checking text_io v0.1.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]     Checking alsa v0.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]    Compiling serde v1.0.118
[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]     Checking num_enum v0.5.1
[INFO] [stderr]     Checking 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 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: 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: 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]   = note: `#[warn(dead_code)]` on by default
[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] 
[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] 
[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] 
[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: 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] 
[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]   = note: `#[warn(dead_code)]` on by default
[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] 
[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] 
[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] 
[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: 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] 
[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: 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: 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: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] running `Command { std: "docker" "inspect" "9987266ae227c91e4d29a9110b2f54a5490fb7f4c74ef44fc1ff1b079b6ef9cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9987266ae227c91e4d29a9110b2f54a5490fb7f4c74ef44fc1ff1b079b6ef9cb", kill_on_drop: false }`
[INFO] [stdout] 9987266ae227c91e4d29a9110b2f54a5490fb7f4c74ef44fc1ff1b079b6ef9cb