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[INFO] [stdout] warning: constant `CONCURRENT_REQUESTS` is never used
[INFO] [stdout]   --> benches/benchmark.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const CONCURRENT_REQUESTS: usize = 50;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tokio_benchmark` is never used
[INFO] [stdout]   --> benches/benchmark.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn tokio_benchmark(c: &mut Criterion) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `io_uring_benchmark` is never used
[INFO] [stdout]   --> benches/benchmark.rs:76:4
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn io_uring_benchmark(c: &mut Criterion) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tokio_concurrent_benchmark` is never used
[INFO] [stdout]   --> benches/benchmark.rs:98:4
[INFO] [stdout]    |
[INFO] [stdout] 98 | fn tokio_concurrent_benchmark(c: &mut Criterion) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `io_uring_concurrent_benchmark` is never used
[INFO] [stdout]    --> benches/benchmark.rs:128:4
[INFO] [stdout]     |
[INFO] [stdout] 128 | fn io_uring_concurrent_benchmark(c: &mut Criterion) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tokio_throughput_benchmark` is never used
[INFO] [stdout]    --> benches/benchmark.rs:158:4
[INFO] [stdout]     |
[INFO] [stdout] 158 | fn tokio_throughput_benchmark(c: &mut Criterion) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `io_uring_throughput_benchmark` is never used
[INFO] [stdout]    --> benches/benchmark.rs:186:4
[INFO] [stdout]     |
[INFO] [stdout] 186 | fn io_uring_throughput_benchmark(c: &mut Criterion) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking testcontainers v0.14.0
[INFO] [stderr]     Checking rdkafka v0.29.0
[INFO] [stderr]     Checking tokio_server v0.1.0 (/opt/rustwide/workdir/tokio_server)
[INFO] [stderr]     Checking io_uring_feedback v0.1.0 (/opt/rustwide/workdir/io_uring_feedback)
[INFO] [stderr]     Checking io_uring_server v0.1.0 (/opt/rustwide/workdir/io_uring_server)
[INFO] [stdout] warning: unused import: `rdkafka::error::KafkaError`
[INFO] [stdout]  --> io_uring_feedback/src/main_tcp_local_kafka_base_producer.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rdkafka::error::KafkaError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bytes::BytesMut`
[INFO] [stdout]  --> io_uring_feedback/src/main_tcp_remote_kafka_future_producer.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use bytes::BytesMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rdkafka::error::KafkaError`
[INFO] [stdout]  --> io_uring_feedback/src/main_tcp_local_kafka_base_producer.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rdkafka::error::KafkaError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bytes::BytesMut`
[INFO] [stdout]  --> io_uring_feedback/src/main_tcp_remote_kafka_future_producer.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use bytes::BytesMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `KAFKA_TOPIC` is never used
[INFO] [stdout]  --> io_uring_feedback/src/main_hyper_iouring_remote_kafka_future_producer.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const KAFKA_TOPIC: &str = "kafka-topic";
[INFO] [stdout]   |       ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `KAFKA_BROKER` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_hyper_iouring_remote_kafka_future_producer.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const KAFKA_BROKER: &str = "kafka-broker";
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_request` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_hyper_iouring_remote_kafka_future_producer.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | async fn handle_request(
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_hyper_iouring_remote_kafka_future_producer.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_BATCH_SIZE` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_hyper_local_kafka_base_producer.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | const MAX_BATCH_SIZE: usize = 1000; // Maximum number of messages per batch
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FLUSH_INTERVAL_MS` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_hyper_local_kafka_base_producer.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | const FLUSH_INTERVAL_MS: u64 = 10; // Kafka flush interval in milliseconds
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `flush_to_kafka` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_hyper_local_kafka_base_producer.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn flush_to_kafka(producer: &BaseProducer, topic: &str, messages: Vec<Vec<u8>>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `kafka_batch_sender` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_hyper_local_kafka_base_producer.rs:37:10
[INFO] [stdout]    |
[INFO] [stdout] 37 | async fn kafka_batch_sender(
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_request` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_hyper_local_kafka_base_producer.rs:69:10
[INFO] [stdout]    |
[INFO] [stdout] 69 | async fn handle_request(
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_hyper_local_kafka_base_producer.rs:94:4
[INFO] [stdout]    |
[INFO] [stdout] 94 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `ZK_PORT` is never used
[INFO] [stdout]   --> io_uring_feedback/src/../../infra/kafka.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | static ZK_PORT: u16 = 2181;
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `KAFKA_BROKER_PORT` is never used
[INFO] [stdout]   --> io_uring_feedback/src/../../infra/kafka.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | static KAFKA_BROKER_PORT: u16 = 9092;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `KAFKA_LISTENER_PORT` is never used
[INFO] [stdout]   --> io_uring_feedback/src/../../infra/kafka.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | static KAFKA_LISTENER_PORT: u16 = 9094;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_up_kafka` is never used
[INFO] [stdout]   --> io_uring_feedback/src/../../infra/kafka.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn set_up_kafka(
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `zk_image` is never used
[INFO] [stdout]   --> io_uring_feedback/src/../../infra/kafka.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub fn zk_image(port: u16) -> GenericImage {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `kafka_image` is never used
[INFO] [stdout]   --> io_uring_feedback/src/../../infra/kafka.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub fn kafka_image(
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `alter_advertised_listener_port` is never used
[INFO] [stdout]    --> io_uring_feedback/src/../../infra/kafka.rs:114:8
[INFO] [stdout]     |
[INFO] [stdout] 114 | pub fn alter_advertised_listener_port(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_BATCH_SIZE` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_hyper_local_kafka_future_producer.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | const MAX_BATCH_SIZE: usize = 1000; // Maximum number of messages per batch
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FLUSH_INTERVAL_MS` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_hyper_local_kafka_future_producer.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | const FLUSH_INTERVAL_MS: u64 = 10; // Kafka flush interval in milliseconds
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `flush_to_kafka` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_hyper_local_kafka_future_producer.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | async fn flush_to_kafka(producer: &FutureProducer, topic: &str, messages: Vec<Vec<u8>>) {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `kafka_batch_sender` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_hyper_local_kafka_future_producer.rs:30:10
[INFO] [stdout]    |
[INFO] [stdout] 30 | async fn kafka_batch_sender(
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_request` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_hyper_local_kafka_future_producer.rs:62:10
[INFO] [stdout]    |
[INFO] [stdout] 62 | async fn handle_request(
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_hyper_local_kafka_future_producer.rs:87:4
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_BATCH_SIZE` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_hyper_remote_kafka_base_producer.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const MAX_BATCH_SIZE: usize = 100; // Maximum number of messages per batch
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FLUSH_INTERVAL_MS` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_hyper_remote_kafka_base_producer.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const FLUSH_INTERVAL_MS: u64 = 10; // Flush interval for Kafka producer in milliseconds
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `KAFKA_TOPIC` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_hyper_remote_kafka_base_producer.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | const KAFKA_TOPIC: &str = "kafka-topic";
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `KAFKA_BROKER` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_hyper_remote_kafka_base_producer.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | const KAFKA_BROKER: &str = "kafka-broker";
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `flush_to_kafka` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_hyper_remote_kafka_base_producer.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn flush_to_kafka(producer: &BaseProducer, topic: &str, messages: Vec<Vec<u8>>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `kafka_batch_sender` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_hyper_remote_kafka_base_producer.rs:37:10
[INFO] [stdout]    |
[INFO] [stdout] 37 | async fn kafka_batch_sender(
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_request` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_hyper_remote_kafka_base_producer.rs:69:10
[INFO] [stdout]    |
[INFO] [stdout] 69 | async fn handle_request(
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_hyper_remote_kafka_base_producer.rs:94:4
[INFO] [stdout]    |
[INFO] [stdout] 94 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `KAFKA_TOPIC` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_hyper_tokio_remote_kafka_future_producer.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const KAFKA_TOPIC: &str = "kafka-topic";
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `KAFKA_BROKER` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_hyper_tokio_remote_kafka_future_producer.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const KAFKA_BROKER: &str = "kafka-broker";
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_request` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_hyper_tokio_remote_kafka_future_producer.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | async fn handle_request(
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_hyper_tokio_remote_kafka_future_producer.rs:48:10
[INFO] [stdout]    |
[INFO] [stdout] 48 | async fn main() {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Payload` is never constructed
[INFO] [stdout]   --> io_uring_feedback/src/main_tcp_local_kafka_base_producer.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct Payload {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_tcp_local_kafka_base_producer.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn main() -> std::io::Result<()> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_client` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_tcp_local_kafka_base_producer.rs:93:10
[INFO] [stdout]    |
[INFO] [stdout] 93 | async fn handle_client(mut stream: TcpStream, producer: Arc<BaseProducer>) -> std::io::Result<()> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_from_stream` is never used
[INFO] [stdout]    --> io_uring_feedback/src/main_tcp_local_kafka_base_producer.rs:149:10
[INFO] [stdout]     |
[INFO] [stdout] 149 | async fn read_from_stream(stream: &mut TcpStream, buf: Vec<u8>) -> std::io::Result<Vec<u8>> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_http_request` is never used
[INFO] [stdout]    --> io_uring_feedback/src/main_tcp_local_kafka_base_producer.rs:162:4
[INFO] [stdout]     |
[INFO] [stdout] 162 | fn parse_http_request(buf: &[u8]) -> Result<&[u8], &'static str> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_payload` is never used
[INFO] [stdout]    --> io_uring_feedback/src/main_tcp_local_kafka_base_producer.rs:174:10
[INFO] [stdout]     |
[INFO] [stdout] 174 | async fn parse_payload(buf: &[u8]) -> Result<Payload, serde_json::Error> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `send_to_kafka` is never used
[INFO] [stdout]    --> io_uring_feedback/src/main_tcp_local_kafka_base_producer.rs:179:4
[INFO] [stdout]     |
[INFO] [stdout] 179 | fn send_to_kafka(producer: &BaseProducer, current_payload: &str) -> Result<(), AppError> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_to_stream` is never used
[INFO] [stdout]    --> io_uring_feedback/src/main_tcp_local_kafka_base_producer.rs:194:10
[INFO] [stdout]     |
[INFO] [stdout] 194 | async fn write_to_stream(stream: &mut TcpStream, response: &[u8]) -> std::io::Result<()> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `AppError` is never used
[INFO] [stdout]  --> io_uring_feedback/src/../../infra/app_error.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum AppError {
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Payload` is never constructed
[INFO] [stdout]   --> io_uring_feedback/src/main_tcp_local_kafka_future_producer.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Payload {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_tcp_local_kafka_future_producer.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn main() -> std::io::Result<()> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_client` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_tcp_local_kafka_future_producer.rs:70:10
[INFO] [stdout]    |
[INFO] [stdout] 70 | async fn handle_client(
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_from_stream` is never used
[INFO] [stdout]    --> io_uring_feedback/src/main_tcp_local_kafka_future_producer.rs:127:10
[INFO] [stdout]     |
[INFO] [stdout] 127 | async fn read_from_stream(stream: &mut TcpStream, buf: Vec<u8>) -> std::io::Result<Vec<u8>> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_http_request` is never used
[INFO] [stdout]    --> io_uring_feedback/src/main_tcp_local_kafka_future_producer.rs:143:4
[INFO] [stdout]     |
[INFO] [stdout] 143 | fn parse_http_request(buf: &[u8]) -> Result<&[u8], &'static str> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_payload` is never used
[INFO] [stdout]    --> io_uring_feedback/src/main_tcp_local_kafka_future_producer.rs:156:10
[INFO] [stdout]     |
[INFO] [stdout] 156 | async fn parse_payload(buf: &[u8]) -> Result<Payload, serde_json::Error> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `send_to_kafka` is never used
[INFO] [stdout]    --> io_uring_feedback/src/main_tcp_local_kafka_future_producer.rs:161:10
[INFO] [stdout]     |
[INFO] [stdout] 161 | async fn send_to_kafka(producer: &FutureProducer, current_payload: &str) -> Result<(), AppError> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_to_stream` is never used
[INFO] [stdout]    --> io_uring_feedback/src/main_tcp_local_kafka_future_producer.rs:170:10
[INFO] [stdout]     |
[INFO] [stdout] 170 | async fn write_to_stream(stream: &mut TcpStream, response: &[u8]) -> std::io::Result<()> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `KAFKA_TOPIC` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_tcp_remote_kafka_base_producer.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const KAFKA_TOPIC: &str = "kafka-topic";
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `KAFKA_BROKER` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_tcp_remote_kafka_base_producer.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const KAFKA_BROKER: &str = "kafka-broker";
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Payload` is never constructed
[INFO] [stdout]   --> io_uring_feedback/src/main_tcp_remote_kafka_base_producer.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Payload {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_tcp_remote_kafka_base_producer.rs:21:15
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub(crate) fn main() -> std::io::Result<()> {
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_client` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_tcp_remote_kafka_base_producer.rs:85:10
[INFO] [stdout]    |
[INFO] [stdout] 85 | async fn handle_client(mut stream: TcpStream, producer: Arc<BaseProducer>) -> std::io::Result<()> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_from_stream` is never used
[INFO] [stdout]    --> io_uring_feedback/src/main_tcp_remote_kafka_base_producer.rs:141:10
[INFO] [stdout]     |
[INFO] [stdout] 141 | async fn read_from_stream(stream: &mut TcpStream, buf: Vec<u8>) -> std::io::Result<Vec<u8>> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_http_request` is never used
[INFO] [stdout]    --> io_uring_feedback/src/main_tcp_remote_kafka_base_producer.rs:154:4
[INFO] [stdout]     |
[INFO] [stdout] 154 | fn parse_http_request(buf: &[u8]) -> Result<&[u8], &'static str> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_payload` is never used
[INFO] [stdout]    --> io_uring_feedback/src/main_tcp_remote_kafka_base_producer.rs:166:10
[INFO] [stdout]     |
[INFO] [stdout] 166 | async fn parse_payload(buf: &[u8]) -> Result<Payload, serde_json::Error> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `send_to_kafka` is never used
[INFO] [stdout]    --> io_uring_feedback/src/main_tcp_remote_kafka_base_producer.rs:171:4
[INFO] [stdout]     |
[INFO] [stdout] 171 | fn send_to_kafka(producer: &BaseProducer, current_payload: &str) -> Result<(), AppError> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_to_stream` is never used
[INFO] [stdout]    --> io_uring_feedback/src/main_tcp_remote_kafka_base_producer.rs:186:10
[INFO] [stdout]     |
[INFO] [stdout] 186 | async fn write_to_stream(stream: &mut TcpStream, response: &[u8]) -> std::io::Result<()> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `KAFKA_TOPIC` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_tcp_tokio_remote_kafka_base_producer.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const KAFKA_TOPIC: &str = "kafka-topic";
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `KAFKA_BROKER` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_tcp_tokio_remote_kafka_base_producer.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | const KAFKA_BROKER: &str = "kafka-broker";
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Payload` is never constructed
[INFO] [stdout]   --> io_uring_feedback/src/main_tcp_tokio_remote_kafka_base_producer.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct Payload {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_tcp_tokio_remote_kafka_base_producer.rs:23:21
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub(crate) async fn main() -> std::io::Result<()> {
[INFO] [stdout]    |                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_client` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_tcp_tokio_remote_kafka_base_producer.rs:75:10
[INFO] [stdout]    |
[INFO] [stdout] 75 | async fn handle_client(mut stream: TcpStream, producer: Arc<BaseProducer>) -> std::io::Result<()> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_to_stream` is never used
[INFO] [stdout]    --> io_uring_feedback/src/main_tcp_tokio_remote_kafka_base_producer.rs:129:10
[INFO] [stdout]     |
[INFO] [stdout] 129 | async fn write_to_stream(stream: &mut TcpStream, response: &[u8]) -> std::io::Result<()> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_http_request` is never used
[INFO] [stdout]    --> io_uring_feedback/src/main_tcp_tokio_remote_kafka_base_producer.rs:142:4
[INFO] [stdout]     |
[INFO] [stdout] 142 | fn parse_http_request(buf: &[u8]) -> Result<&[u8], &'static str> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `send_to_kafka` is never used
[INFO] [stdout]    --> io_uring_feedback/src/main_tcp_tokio_remote_kafka_base_producer.rs:154:4
[INFO] [stdout]     |
[INFO] [stdout] 154 | fn send_to_kafka(producer: &BaseProducer, current_payload: &str) -> Result<(), AppError> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `KAFKA_TOPIC` is never used
[INFO] [stdout]  --> io_uring_feedback/src/main_hyper_iouring_remote_kafka_future_producer.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const KAFKA_TOPIC: &str = "kafka-topic";
[INFO] [stdout]   |       ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `KAFKA_BROKER` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_hyper_iouring_remote_kafka_future_producer.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const KAFKA_BROKER: &str = "kafka-broker";
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_request` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_hyper_iouring_remote_kafka_future_producer.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | async fn handle_request(
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_hyper_iouring_remote_kafka_future_producer.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_BATCH_SIZE` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_hyper_local_kafka_base_producer.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | const MAX_BATCH_SIZE: usize = 1000; // Maximum number of messages per batch
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FLUSH_INTERVAL_MS` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_hyper_local_kafka_base_producer.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | const FLUSH_INTERVAL_MS: u64 = 10; // Kafka flush interval in milliseconds
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `flush_to_kafka` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_hyper_local_kafka_base_producer.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn flush_to_kafka(producer: &BaseProducer, topic: &str, messages: Vec<Vec<u8>>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `kafka_batch_sender` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_hyper_local_kafka_base_producer.rs:37:10
[INFO] [stdout]    |
[INFO] [stdout] 37 | async fn kafka_batch_sender(
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_request` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_hyper_local_kafka_base_producer.rs:69:10
[INFO] [stdout]    |
[INFO] [stdout] 69 | async fn handle_request(
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_hyper_local_kafka_base_producer.rs:94:4
[INFO] [stdout]    |
[INFO] [stdout] 94 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `ZK_PORT` is never used
[INFO] [stdout]   --> io_uring_feedback/src/../../infra/kafka.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | static ZK_PORT: u16 = 2181;
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `KAFKA_BROKER_PORT` is never used
[INFO] [stdout]   --> io_uring_feedback/src/../../infra/kafka.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | static KAFKA_BROKER_PORT: u16 = 9092;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `KAFKA_LISTENER_PORT` is never used
[INFO] [stdout]   --> io_uring_feedback/src/../../infra/kafka.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | static KAFKA_LISTENER_PORT: u16 = 9094;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_up_kafka` is never used
[INFO] [stdout]   --> io_uring_feedback/src/../../infra/kafka.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn set_up_kafka(
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `zk_image` is never used
[INFO] [stdout]   --> io_uring_feedback/src/../../infra/kafka.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub fn zk_image(port: u16) -> GenericImage {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `kafka_image` is never used
[INFO] [stdout]   --> io_uring_feedback/src/../../infra/kafka.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub fn kafka_image(
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `alter_advertised_listener_port` is never used
[INFO] [stdout]    --> io_uring_feedback/src/../../infra/kafka.rs:114:8
[INFO] [stdout]     |
[INFO] [stdout] 114 | pub fn alter_advertised_listener_port(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_BATCH_SIZE` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_hyper_local_kafka_future_producer.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | const MAX_BATCH_SIZE: usize = 1000; // Maximum number of messages per batch
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FLUSH_INTERVAL_MS` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_hyper_local_kafka_future_producer.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | const FLUSH_INTERVAL_MS: u64 = 10; // Kafka flush interval in milliseconds
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `flush_to_kafka` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_hyper_local_kafka_future_producer.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | async fn flush_to_kafka(producer: &FutureProducer, topic: &str, messages: Vec<Vec<u8>>) {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `kafka_batch_sender` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_hyper_local_kafka_future_producer.rs:30:10
[INFO] [stdout]    |
[INFO] [stdout] 30 | async fn kafka_batch_sender(
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_request` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_hyper_local_kafka_future_producer.rs:62:10
[INFO] [stdout]    |
[INFO] [stdout] 62 | async fn handle_request(
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_hyper_local_kafka_future_producer.rs:87:4
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_BATCH_SIZE` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_hyper_remote_kafka_base_producer.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const MAX_BATCH_SIZE: usize = 100; // Maximum number of messages per batch
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FLUSH_INTERVAL_MS` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_hyper_remote_kafka_base_producer.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const FLUSH_INTERVAL_MS: u64 = 10; // Flush interval for Kafka producer in milliseconds
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `KAFKA_TOPIC` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_hyper_remote_kafka_base_producer.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | const KAFKA_TOPIC: &str = "kafka-topic";
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `KAFKA_BROKER` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_hyper_remote_kafka_base_producer.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | const KAFKA_BROKER: &str = "kafka-broker";
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `flush_to_kafka` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_hyper_remote_kafka_base_producer.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn flush_to_kafka(producer: &BaseProducer, topic: &str, messages: Vec<Vec<u8>>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `kafka_batch_sender` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_hyper_remote_kafka_base_producer.rs:37:10
[INFO] [stdout]    |
[INFO] [stdout] 37 | async fn kafka_batch_sender(
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_request` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_hyper_remote_kafka_base_producer.rs:69:10
[INFO] [stdout]    |
[INFO] [stdout] 69 | async fn handle_request(
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_hyper_remote_kafka_base_producer.rs:94:4
[INFO] [stdout]    |
[INFO] [stdout] 94 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `KAFKA_TOPIC` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_hyper_tokio_remote_kafka_future_producer.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const KAFKA_TOPIC: &str = "kafka-topic";
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `KAFKA_BROKER` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_hyper_tokio_remote_kafka_future_producer.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const KAFKA_BROKER: &str = "kafka-broker";
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_request` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_hyper_tokio_remote_kafka_future_producer.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | async fn handle_request(
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_hyper_tokio_remote_kafka_future_producer.rs:48:10
[INFO] [stdout]    |
[INFO] [stdout] 48 | async fn main() {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Payload` is never constructed
[INFO] [stdout]   --> io_uring_feedback/src/main_tcp_local_kafka_base_producer.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct Payload {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_tcp_local_kafka_base_producer.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn main() -> std::io::Result<()> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_client` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_tcp_local_kafka_base_producer.rs:93:10
[INFO] [stdout]    |
[INFO] [stdout] 93 | async fn handle_client(mut stream: TcpStream, producer: Arc<BaseProducer>) -> std::io::Result<()> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_from_stream` is never used
[INFO] [stdout]    --> io_uring_feedback/src/main_tcp_local_kafka_base_producer.rs:149:10
[INFO] [stdout]     |
[INFO] [stdout] 149 | async fn read_from_stream(stream: &mut TcpStream, buf: Vec<u8>) -> std::io::Result<Vec<u8>> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_http_request` is never used
[INFO] [stdout]    --> io_uring_feedback/src/main_tcp_local_kafka_base_producer.rs:162:4
[INFO] [stdout]     |
[INFO] [stdout] 162 | fn parse_http_request(buf: &[u8]) -> Result<&[u8], &'static str> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_payload` is never used
[INFO] [stdout]    --> io_uring_feedback/src/main_tcp_local_kafka_base_producer.rs:174:10
[INFO] [stdout]     |
[INFO] [stdout] 174 | async fn parse_payload(buf: &[u8]) -> Result<Payload, serde_json::Error> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `send_to_kafka` is never used
[INFO] [stdout]    --> io_uring_feedback/src/main_tcp_local_kafka_base_producer.rs:179:4
[INFO] [stdout]     |
[INFO] [stdout] 179 | fn send_to_kafka(producer: &BaseProducer, current_payload: &str) -> Result<(), AppError> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_to_stream` is never used
[INFO] [stdout]    --> io_uring_feedback/src/main_tcp_local_kafka_base_producer.rs:194:10
[INFO] [stdout]     |
[INFO] [stdout] 194 | async fn write_to_stream(stream: &mut TcpStream, response: &[u8]) -> std::io::Result<()> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `AppError` is never used
[INFO] [stdout]  --> io_uring_feedback/src/../../infra/app_error.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum AppError {
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Payload` is never constructed
[INFO] [stdout]   --> io_uring_feedback/src/main_tcp_local_kafka_future_producer.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Payload {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_tcp_local_kafka_future_producer.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn main() -> std::io::Result<()> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_client` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_tcp_local_kafka_future_producer.rs:70:10
[INFO] [stdout]    |
[INFO] [stdout] 70 | async fn handle_client(
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_from_stream` is never used
[INFO] [stdout]    --> io_uring_feedback/src/main_tcp_local_kafka_future_producer.rs:127:10
[INFO] [stdout]     |
[INFO] [stdout] 127 | async fn read_from_stream(stream: &mut TcpStream, buf: Vec<u8>) -> std::io::Result<Vec<u8>> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_http_request` is never used
[INFO] [stdout]    --> io_uring_feedback/src/main_tcp_local_kafka_future_producer.rs:143:4
[INFO] [stdout]     |
[INFO] [stdout] 143 | fn parse_http_request(buf: &[u8]) -> Result<&[u8], &'static str> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_payload` is never used
[INFO] [stdout]    --> io_uring_feedback/src/main_tcp_local_kafka_future_producer.rs:156:10
[INFO] [stdout]     |
[INFO] [stdout] 156 | async fn parse_payload(buf: &[u8]) -> Result<Payload, serde_json::Error> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `send_to_kafka` is never used
[INFO] [stdout]    --> io_uring_feedback/src/main_tcp_local_kafka_future_producer.rs:161:10
[INFO] [stdout]     |
[INFO] [stdout] 161 | async fn send_to_kafka(producer: &FutureProducer, current_payload: &str) -> Result<(), AppError> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_to_stream` is never used
[INFO] [stdout]    --> io_uring_feedback/src/main_tcp_local_kafka_future_producer.rs:170:10
[INFO] [stdout]     |
[INFO] [stdout] 170 | async fn write_to_stream(stream: &mut TcpStream, response: &[u8]) -> std::io::Result<()> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `KAFKA_TOPIC` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_tcp_remote_kafka_base_producer.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const KAFKA_TOPIC: &str = "kafka-topic";
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `KAFKA_BROKER` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_tcp_remote_kafka_base_producer.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const KAFKA_BROKER: &str = "kafka-broker";
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Payload` is never constructed
[INFO] [stdout]   --> io_uring_feedback/src/main_tcp_remote_kafka_base_producer.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Payload {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_tcp_remote_kafka_base_producer.rs:21:15
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub(crate) fn main() -> std::io::Result<()> {
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_client` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_tcp_remote_kafka_base_producer.rs:85:10
[INFO] [stdout]    |
[INFO] [stdout] 85 | async fn handle_client(mut stream: TcpStream, producer: Arc<BaseProducer>) -> std::io::Result<()> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_from_stream` is never used
[INFO] [stdout]    --> io_uring_feedback/src/main_tcp_remote_kafka_base_producer.rs:141:10
[INFO] [stdout]     |
[INFO] [stdout] 141 | async fn read_from_stream(stream: &mut TcpStream, buf: Vec<u8>) -> std::io::Result<Vec<u8>> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_http_request` is never used
[INFO] [stdout]    --> io_uring_feedback/src/main_tcp_remote_kafka_base_producer.rs:154:4
[INFO] [stdout]     |
[INFO] [stdout] 154 | fn parse_http_request(buf: &[u8]) -> Result<&[u8], &'static str> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_payload` is never used
[INFO] [stdout]    --> io_uring_feedback/src/main_tcp_remote_kafka_base_producer.rs:166:10
[INFO] [stdout]     |
[INFO] [stdout] 166 | async fn parse_payload(buf: &[u8]) -> Result<Payload, serde_json::Error> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `send_to_kafka` is never used
[INFO] [stdout]    --> io_uring_feedback/src/main_tcp_remote_kafka_base_producer.rs:171:4
[INFO] [stdout]     |
[INFO] [stdout] 171 | fn send_to_kafka(producer: &BaseProducer, current_payload: &str) -> Result<(), AppError> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_to_stream` is never used
[INFO] [stdout]    --> io_uring_feedback/src/main_tcp_remote_kafka_base_producer.rs:186:10
[INFO] [stdout]     |
[INFO] [stdout] 186 | async fn write_to_stream(stream: &mut TcpStream, response: &[u8]) -> std::io::Result<()> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `KAFKA_TOPIC` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_tcp_tokio_remote_kafka_base_producer.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const KAFKA_TOPIC: &str = "kafka-topic";
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `KAFKA_BROKER` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_tcp_tokio_remote_kafka_base_producer.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | const KAFKA_BROKER: &str = "kafka-broker";
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Payload` is never constructed
[INFO] [stdout]   --> io_uring_feedback/src/main_tcp_tokio_remote_kafka_base_producer.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct Payload {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_tcp_tokio_remote_kafka_base_producer.rs:23:21
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub(crate) async fn main() -> std::io::Result<()> {
[INFO] [stdout]    |                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_client` is never used
[INFO] [stdout]   --> io_uring_feedback/src/main_tcp_tokio_remote_kafka_base_producer.rs:75:10
[INFO] [stdout]    |
[INFO] [stdout] 75 | async fn handle_client(mut stream: TcpStream, producer: Arc<BaseProducer>) -> std::io::Result<()> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_to_stream` is never used
[INFO] [stdout]    --> io_uring_feedback/src/main_tcp_tokio_remote_kafka_base_producer.rs:129:10
[INFO] [stdout]     |
[INFO] [stdout] 129 | async fn write_to_stream(stream: &mut TcpStream, response: &[u8]) -> std::io::Result<()> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_http_request` is never used
[INFO] [stdout]    --> io_uring_feedback/src/main_tcp_tokio_remote_kafka_base_producer.rs:142:4
[INFO] [stdout]     |
[INFO] [stdout] 142 | fn parse_http_request(buf: &[u8]) -> Result<&[u8], &'static str> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `send_to_kafka` is never used
[INFO] [stdout]    --> io_uring_feedback/src/main_tcp_tokio_remote_kafka_base_producer.rs:154:4
[INFO] [stdout]     |
[INFO] [stdout] 154 | fn send_to_kafka(producer: &BaseProducer, current_payload: &str) -> Result<(), AppError> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 54s
[INFO] running `Command { std: "docker" "inspect" "faed8fcba8edbdb97854b3677571c506065e0a5b20671a72d0eed4c185c55034", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faed8fcba8edbdb97854b3677571c506065e0a5b20671a72d0eed4c185c55034", kill_on_drop: false }`
[INFO] [stdout] faed8fcba8edbdb97854b3677571c506065e0a5b20671a72d0eed4c185c55034
