[INFO] cloning repository https://github.com/aaron-ang/kafka-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aaron-ang/kafka-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faaron-ang%2Fkafka-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faaron-ang%2Fkafka-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d8888174e72299e9e40e9acd97b7407ba833a661
[INFO] checking aaron-ang/kafka-rust against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faaron-ang%2Fkafka-rust" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/aaron-ang/kafka-rust
[INFO] finished tweaking git repo https://github.com/aaron-ang/kafka-rust
[INFO] tweaked toml for git repo https://github.com/aaron-ang/kafka-rust written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/aaron-ang/kafka-rust on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
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[INFO] crate git repo https://github.com/aaron-ang/kafka-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] f00e5ccff167bab1d0245811fb3f488c5573404312bd7ca480b16cbf43542942
[INFO] running `Command { std: "docker" "start" "-a" "f00e5ccff167bab1d0245811fb3f488c5573404312bd7ca480b16cbf43542942", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling toml_datetime v0.7.3
[INFO] [stderr]     Checking integer-encoding v4.0.2
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling indexmap v2.11.4
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.6
[INFO] [stderr]     Checking socket2 v0.6.0
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]    Compiling toml_parser v1.0.4
[INFO] [stderr]    Compiling toml_edit v0.23.7
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling proc-macro-crate v3.4.0
[INFO] [stderr]     Checking tokio v1.47.1
[INFO] [stderr]    Compiling num_enum_derive v0.7.4
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking num_enum v0.7.4
[INFO] [stderr]     Checking kafka-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `response_partition_limit` and `cursor` are never read
[INFO] [stdout]   --> src/api/describe_topic_partitions.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct DescribeTopicPartitionsRequestV0 {
[INFO] [stdout]    |            -------------------------------- fields in this struct
[INFO] [stdout] 13 |     topic_names: Vec<CompactString>,
[INFO] [stdout] 14 |     response_partition_limit: i32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 15 |     cursor: u8,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DescribeTopicPartitionsRequestV0` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/api/fetch.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct FetchRequestV16 {
[INFO] [stdout]    |            --------------- fields in this struct
[INFO] [stdout] 13 |     max_wait_ms: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 14 |     min_bytes: u32,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 15 |     max_bytes: u32,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 16 |     isolation_level: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 17 |     session_id: u32,
[INFO] [stdout] 18 |     session_epoch: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 19 |     topics: Vec<TopicRequest>,
[INFO] [stdout] 20 |     forgotten_topics_data: Vec<ForgottenTopicData>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 21 |     rack_id: CompactNullableString,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FetchRequestV16` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `current_leader_epoch`, `fetch_offset`, `last_fetched_epoch`, `log_start_offset`, and `partition_max_bytes` are never read
[INFO] [stdout]    --> src/api/fetch.rs:180:5
[INFO] [stdout]     |
[INFO] [stdout] 178 | struct Partition {
[INFO] [stdout]     |        --------- fields in this struct
[INFO] [stdout] 179 |     partition_index: i32,
[INFO] [stdout] 180 |     current_leader_epoch: i32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 181 |     fetch_offset: i64,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 182 |     last_fetched_epoch: i32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 183 |     log_start_offset: i64,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 184 |     partition_max_bytes: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Partition` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `topic_id` and `partitions` are never read
[INFO] [stdout]    --> src/api/fetch.rs:255:5
[INFO] [stdout]     |
[INFO] [stdout] 254 | struct ForgottenTopicData {
[INFO] [stdout]     |        ------------------ fields in this struct
[INFO] [stdout] 255 |     topic_id: Uuid,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 256 |     partitions: Vec<u32>, // The partitions indexes to forget.
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ForgottenTopicData` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `producer_id` and `first_offset` are never read
[INFO] [stdout]    --> src/api/fetch.rs:272:5
[INFO] [stdout]     |
[INFO] [stdout] 271 | struct AbortedTransaction {
[INFO] [stdout]     |        ------------------ fields in this struct
[INFO] [stdout] 272 |     producer_id: u64,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 273 |     first_offset: u64,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `AbortedTransaction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kafka-rs` (lib test) due to 1 previous error; 12 warnings emitted
[INFO] [stdout] warning: fields `transactional_id`, `required_acks`, and `timeout_ms` are never read
[INFO] [stdout]   --> src/api/produce.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct ProduceRequestV11 {
[INFO] [stdout]    |            ----------------- fields in this struct
[INFO] [stdout] 15 |     transactional_id: CompactNullableString,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 16 |     required_acks: i16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 17 |     timeout_ms: i32,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ProduceRequestV11` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: struct `NullableBytes` is never constructed
[INFO] [stdout]    --> src/protocol.rs:296:12
[INFO] [stdout]     |
[INFO] [stdout] 296 | pub struct NullableBytes<T>(T);
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]     = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/metadata.rs:85:5
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub struct RecordBatch {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 85 |     base_offset: i64,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 86 |     batch_length: i32,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 87 |     partition_leader_epoch: i32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 88 |     magic: i8,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 89 |     crc: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 90 |     attributes: i16,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 91 |     last_offset_delta: i32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 92 |     base_timestamp: i64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 93 |     max_timestamp: i64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 94 |     producer_id: i64,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 95 |     producer_epoch: i16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 96 |     base_sequence: i32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `length`, `attributes`, `timestamp_delta`, `offset_delta`, `key`, and `headers` are never read
[INFO] [stdout]    --> src/metadata.rs:137:5
[INFO] [stdout]     |
[INFO] [stdout] 136 | pub struct Record {
[INFO] [stdout]     |            ------ fields in this struct
[INFO] [stdout] 137 |     length: i32,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 138 |     attributes: i8,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 139 |     timestamp_delta: i64,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 140 |     offset_delta: i32,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 141 |     key: Vec<u8>,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 142 |     value_bytes: Vec<u8>,
[INFO] [stdout] 143 |     headers: Vec<Header>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `key` and `value` are never read
[INFO] [stdout]    --> src/metadata.rs:201:5
[INFO] [stdout]     |
[INFO] [stdout] 200 | pub struct Header {
[INFO] [stdout]     |            ------ fields in this struct
[INFO] [stdout] 201 |     key: String,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 202 |     value: Vec<u8>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/metadata.rs:234:18
[INFO] [stdout]     |
[INFO] [stdout] 234 |     FeatureLevel(FeatureLevelValue),
[INFO] [stdout]     |     ------------ ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 234 -     FeatureLevel(FeatureLevelValue),
[INFO] [stdout] 234 +     FeatureLevel(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `partition_epoch` and `directories` are never read
[INFO] [stdout]    --> src/metadata.rs:253:5
[INFO] [stdout]     |
[INFO] [stdout] 244 | pub struct PartitionValue {
[INFO] [stdout]     |            -------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 253 |     partition_epoch: i32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 254 |     directories: Vec<Uuid>,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `level` are never read
[INFO] [stdout]    --> src/metadata.rs:258:5
[INFO] [stdout]     |
[INFO] [stdout] 257 | pub struct FeatureLevelValue {
[INFO] [stdout]     |            ----------------- fields in this struct
[INFO] [stdout] 258 |     name: CompactNullableString,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 259 |     level: u16,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `response_partition_limit` and `cursor` are never read
[INFO] [stdout]   --> src/api/describe_topic_partitions.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct DescribeTopicPartitionsRequestV0 {
[INFO] [stdout]    |            -------------------------------- fields in this struct
[INFO] [stdout] 13 |     topic_names: Vec<CompactString>,
[INFO] [stdout] 14 |     response_partition_limit: i32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 15 |     cursor: u8,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DescribeTopicPartitionsRequestV0` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/api/fetch.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct FetchRequestV16 {
[INFO] [stdout]    |            --------------- fields in this struct
[INFO] [stdout] 13 |     max_wait_ms: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 14 |     min_bytes: u32,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 15 |     max_bytes: u32,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 16 |     isolation_level: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 17 |     session_id: u32,
[INFO] [stdout] 18 |     session_epoch: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 19 |     topics: Vec<TopicRequest>,
[INFO] [stdout] 20 |     forgotten_topics_data: Vec<ForgottenTopicData>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 21 |     rack_id: CompactNullableString,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FetchRequestV16` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `current_leader_epoch`, `fetch_offset`, `last_fetched_epoch`, `log_start_offset`, and `partition_max_bytes` are never read
[INFO] [stdout]    --> src/api/fetch.rs:180:5
[INFO] [stdout]     |
[INFO] [stdout] 178 | struct Partition {
[INFO] [stdout]     |        --------- fields in this struct
[INFO] [stdout] 179 |     partition_index: i32,
[INFO] [stdout] 180 |     current_leader_epoch: i32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 181 |     fetch_offset: i64,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 182 |     last_fetched_epoch: i32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 183 |     log_start_offset: i64,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 184 |     partition_max_bytes: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Partition` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `topic_id` and `partitions` are never read
[INFO] [stdout]    --> src/api/fetch.rs:255:5
[INFO] [stdout]     |
[INFO] [stdout] 254 | struct ForgottenTopicData {
[INFO] [stdout]     |        ------------------ fields in this struct
[INFO] [stdout] 255 |     topic_id: Uuid,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 256 |     partitions: Vec<u32>, // The partitions indexes to forget.
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ForgottenTopicData` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `producer_id` and `first_offset` are never read
[INFO] [stdout]    --> src/api/fetch.rs:272:5
[INFO] [stdout]     |
[INFO] [stdout] 271 | struct AbortedTransaction {
[INFO] [stdout]     |        ------------------ fields in this struct
[INFO] [stdout] 272 |     producer_id: u64,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 273 |     first_offset: u64,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `AbortedTransaction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `transactional_id`, `required_acks`, and `timeout_ms` are never read
[INFO] [stdout]   --> src/api/produce.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct ProduceRequestV11 {
[INFO] [stdout]    |            ----------------- fields in this struct
[INFO] [stdout] 15 |     transactional_id: CompactNullableString,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 16 |     required_acks: i16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 17 |     timeout_ms: i32,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ProduceRequestV11` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `NullableBytes` is never constructed
[INFO] [stdout]    --> src/protocol.rs:296:12
[INFO] [stdout]     |
[INFO] [stdout] 296 | pub struct NullableBytes<T>(T);
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]     = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/metadata.rs:85:5
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub struct RecordBatch {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 85 |     base_offset: i64,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 86 |     batch_length: i32,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 87 |     partition_leader_epoch: i32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 88 |     magic: i8,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 89 |     crc: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 90 |     attributes: i16,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 91 |     last_offset_delta: i32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 92 |     base_timestamp: i64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 93 |     max_timestamp: i64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 94 |     producer_id: i64,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 95 |     producer_epoch: i16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 96 |     base_sequence: i32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `length`, `attributes`, `timestamp_delta`, `offset_delta`, `key`, and `headers` are never read
[INFO] [stdout]    --> src/metadata.rs:137:5
[INFO] [stdout]     |
[INFO] [stdout] 136 | pub struct Record {
[INFO] [stdout]     |            ------ fields in this struct
[INFO] [stdout] 137 |     length: i32,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 138 |     attributes: i8,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 139 |     timestamp_delta: i64,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 140 |     offset_delta: i32,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 141 |     key: Vec<u8>,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 142 |     value_bytes: Vec<u8>,
[INFO] [stdout] 143 |     headers: Vec<Header>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `key` and `value` are never read
[INFO] [stdout]    --> src/metadata.rs:201:5
[INFO] [stdout]     |
[INFO] [stdout] 200 | pub struct Header {
[INFO] [stdout]     |            ------ fields in this struct
[INFO] [stdout] 201 |     key: String,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 202 |     value: Vec<u8>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/metadata.rs:234:18
[INFO] [stdout]     |
[INFO] [stdout] 234 |     FeatureLevel(FeatureLevelValue),
[INFO] [stdout]     |     ------------ ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 234 -     FeatureLevel(FeatureLevelValue),
[INFO] [stdout] 234 +     FeatureLevel(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `partition_epoch` and `directories` are never read
[INFO] [stdout]    --> src/metadata.rs:253:5
[INFO] [stdout]     |
[INFO] [stdout] 244 | pub struct PartitionValue {
[INFO] [stdout]     |            -------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 253 |     partition_epoch: i32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 254 |     directories: Vec<Uuid>,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `level` are never read
[INFO] [stdout]    --> src/metadata.rs:258:5
[INFO] [stdout]     |
[INFO] [stdout] 257 | pub struct FeatureLevelValue {
[INFO] [stdout]     |            ----------------- fields in this struct
[INFO] [stdout] 258 |     name: CompactNullableString,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 259 |     level: u16,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kafka-rs` (lib) due to 1 previous error; 12 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "f00e5ccff167bab1d0245811fb3f488c5573404312bd7ca480b16cbf43542942", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f00e5ccff167bab1d0245811fb3f488c5573404312bd7ca480b16cbf43542942", kill_on_drop: false }`
[INFO] [stdout] f00e5ccff167bab1d0245811fb3f488c5573404312bd7ca480b16cbf43542942
