[INFO] fetching crate schema-registry-client 0.4.2...
[INFO] testing schema-registry-client-0.4.2 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate schema-registry-client 0.4.2 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate schema-registry-client 0.4.2
[INFO] finished tweaking crates.io crate schema-registry-client 0.4.2
[INFO] tweaked toml for crates.io crate schema-registry-client 0.4.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate schema-registry-client 0.4.2 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate schema-registry-client 0.4.2 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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6aea149d1ad361bc6c0a1b578643d51e8b43da62251ccec67726a06b560f2ef
[INFO] running `Command { std: "docker" "start" "-a" "b6aea149d1ad361bc6c0a1b578643d51e8b43da62251ccec67726a06b560f2ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6aea149d1ad361bc6c0a1b578643d51e8b43da62251ccec67726a06b560f2ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6aea149d1ad361bc6c0a1b578643d51e8b43da62251ccec67726a06b560f2ef", kill_on_drop: false }`
[INFO] [stdout] b6aea149d1ad361bc6c0a1b578643d51e8b43da62251ccec67726a06b560f2ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 883f83448def0e3ce082197546d8ec29abe81362cd31379022edb89ab951bb28
[INFO] running `Command { std: "docker" "start" "-a" "883f83448def0e3ce082197546d8ec29abe81362cd31379022edb89ab951bb28", kill_on_drop: false }`
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[INFO] [stderr]    Compiling tower-http v0.6.8
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[INFO] [stderr]    Compiling bon v3.8.1
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[INFO] [stderr]    Compiling apache-avro v0.21.0
[INFO] [stderr]    Compiling icu_normalizer v1.5.0
[INFO] [stderr]    Compiling idna_adapter v1.2.0
[INFO] [stderr]    Compiling idna v1.0.3
[INFO] [stderr]    Compiling url v2.5.4
[INFO] [stderr]    Compiling tokio-rustls v0.26.2
[INFO] [stderr]    Compiling rustls-platform-verifier v0.6.2
[INFO] [stderr]    Compiling hyper-rustls v0.27.5
[INFO] [stderr]    Compiling reqwest v0.13.2
[INFO] [stderr]    Compiling jsonschema v0.44.1
[INFO] [stderr]    Compiling schema-registry-client v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `KAFKA_CLUSTER_ID_CONFIG`
[INFO] [stdout]  --> src/serdes/avro.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     KAFKA_CLUSTER_ID_CONFIG, RuleContext, SchemaId, Serde, SerdeError, SerdeFormat, SerdeSchema,
[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: `KAFKA_CLUSTER_ID_CONFIG`
[INFO] [stdout]  --> src/serdes/json.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     KAFKA_CLUSTER_ID_CONFIG, RuleContext, SchemaId, Serde, SerdeError, SerdeFormat, SerdeSchema,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `validator_for`
[INFO] [stdout]   --> src/serdes/json.rs:18:46
[INFO] [stdout]    |
[INFO] [stdout] 18 | use jsonschema::{ValidationError, Validator, validator_for};
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]   --> src/serdes/json.rs:21:24
[INFO] [stdout]    |
[INFO] [stdout] 21 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]    |                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `KAFKA_CLUSTER_ID_CONFIG`
[INFO] [stdout]   --> src/serdes/protobuf.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     KAFKA_CLUSTER_ID_CONFIG, RuleContext, SchemaId, Serde, SerdeError, SerdeFormat, SerdeSchema,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bytes`
[INFO] [stdout]   --> src/serdes/protobuf.rs:20:22
[INFO] [stdout]    |
[INFO] [stdout] 20 | use prost::{Message, bytes};
[INFO] [stdout]    |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufReader`
[INFO] [stdout]   --> src/serdes/protobuf.rs:28:15
[INFO] [stdout]    |
[INFO] [stdout] 28 | use std::io::{BufReader, Cursor};
[INFO] [stdout]    |               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::StreamExt`
[INFO] [stdout]   --> src/serdes/avro.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use futures::StreamExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `base64::Engine`
[INFO] [stdout]   --> src/serdes/json.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use base64::Engine;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `deleted`
[INFO] [stdout]    --> src/rest/mock_dek_registry_client.rs:119:13
[INFO] [stdout]     |
[INFO] [stdout] 119 |         let deleted = false;
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_deleted`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `deleted`
[INFO] [stdout]    --> src/rest/mock_dek_registry_client.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |         deleted: bool,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_deleted`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `subject`
[INFO] [stdout]    --> src/rest/mock_schema_registry_client.rs:228:32
[INFO] [stdout]     |
[INFO] [stdout] 228 |     async fn get_config(&self, subject: &str) -> Result<ServerConfig, Error> {
[INFO] [stdout]     |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_subject`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `subject`
[INFO] [stdout]    --> src/rest/mock_schema_registry_client.rs:233:9
[INFO] [stdout]     |
[INFO] [stdout] 233 |         subject: &str,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_subject`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]    --> src/rest/mock_schema_registry_client.rs:234:9
[INFO] [stdout]     |
[INFO] [stdout] 234 |         config: &ServerConfig,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]    --> src/rest/mock_schema_registry_client.rs:241:43
[INFO] [stdout]     |
[INFO] [stdout] 241 |     async fn update_default_config(&self, config: &ServerConfig) -> Result<ServerConfig, Error> {
[INFO] [stdout]     |                                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `latest_schema`
[INFO] [stdout]    --> src/serdes/avro.rs:482:21
[INFO] [stdout]     |
[INFO] [stdout] 482 |         if let Some(ref latest_schema) = latest_schema {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_latest_schema`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `serde_type`
[INFO] [stdout]   --> src/serdes/protobuf.rs:67:64
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub fn default_reference_subject_name_strategy(ref_name: &str, serde_type: &SerdeType) -> String {
[INFO] [stdout]    |                                                                ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_serde_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `pool` is assigned to, but never used
[INFO] [stdout]    --> src/serdes/protobuf.rs:182:13
[INFO] [stdout]     |
[INFO] [stdout] 182 |         let pool;
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_pool` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `pool` is never read
[INFO] [stdout]    --> src/serdes/protobuf.rs:186:18
[INFO] [stdout]     |
[INFO] [stdout] 186 |             (fd, pool) = self.get_parsed_schema(&schema).await?;
[INFO] [stdout]     |                  ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `desc_proto`
[INFO] [stdout]    --> src/serdes/protobuf.rs:700:25
[INFO] [stdout]     |
[INFO] [stdout] 700 |         let (full_name, desc_proto) =
[INFO] [stdout]     |                         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_desc_proto`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/serdes/serde.rs:69:27
[INFO] [stdout]    |
[INFO] [stdout] 69 |                 .map_err(|e| Serialization("could not read schema ID".to_string()))?;
[INFO] [stdout]    |                           ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `enabled_env` is never read
[INFO] [stdout]    --> src/serdes/serde.rs:653:47
[INFO] [stdout]     |
[INFO] [stdout] 653 |         let mut enabled_env: Option<String> = None;
[INFO] [stdout]     |                                               ^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 657 |                 enabled_env = target
[INFO] [stdout]     |                 ----------- `enabled_env` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/serdes/serde.rs:877:31
[INFO] [stdout]     |
[INFO] [stdout] 877 |     fn get_rule_action(&self, ctx: &RuleContext, action_name: &str) -> Option<Arc<dyn RuleAction>> {
[INFO] [stdout]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `client_config`
[INFO] [stdout]     --> src/serdes/serde.rs:1093:9
[INFO] [stdout]      |
[INFO] [stdout] 1093 |         client_config: &ClientConfig,
[INFO] [stdout]      |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_client_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rule_config`
[INFO] [stdout]     --> src/serdes/serde.rs:1094:9
[INFO] [stdout]      |
[INFO] [stdout] 1094 |         rule_config: &HashMap<String, String>,
[INFO] [stdout]      |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rule_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]     --> src/serdes/serde.rs:1197:9
[INFO] [stdout]      |
[INFO] [stdout] 1197 |         msg: &SerdeValue,
[INFO] [stdout]      |         ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ex`
[INFO] [stdout]     --> src/serdes/serde.rs:1228:9
[INFO] [stdout]      |
[INFO] [stdout] 1228 |         ex: Option<SerdeError>,
[INFO] [stdout]      |         ^^ help: if this is intentional, prefix it with an underscore: `_ex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]     --> src/serdes/serde.rs:1226:9
[INFO] [stdout]      |
[INFO] [stdout] 1226 |         ctx: &RuleContext,
[INFO] [stdout]      |         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]     --> src/serdes/serde.rs:1227:9
[INFO] [stdout]      |
[INFO] [stdout] 1227 |         msg: &SerdeValue,
[INFO] [stdout]      |         ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `TEST_FILE_DESCRIPTOR_SET` is never used
[INFO] [stdout]   --> src/lib.rs:87:8
[INFO] [stdout]    |
[INFO] [stdout] 87 | static TEST_FILE_DESCRIPTOR_SET: &[u8] = include_bytes!("codegen/test/file_descriptor_set.bin");
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `TEST_DESCRIPTOR_POOL` is never used
[INFO] [stdout]   --> src/lib.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 | static TEST_DESCRIPTOR_POOL: LazyLock<DescriptorPool> = LazyLock::new(|| {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_id_by_schema` and `get_registered_by_id` are never used
[INFO] [stdout]    --> src/rest/schema_registry_client.rs:945:12
[INFO] [stdout]     |
[INFO] [stdout] 823 | impl SchemaStore {
[INFO] [stdout]     | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 945 |     pub fn get_id_by_schema(&self, subject: &str, schema: &Schema) -> Option<i32> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 968 |     pub fn get_registered_by_id(&self, subject: &str, schema_id: i32) -> Option<RegisteredSchema> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `close` is never used
[INFO] [stdout]    --> src/serdes/avro.rs:318:8
[INFO] [stdout]     |
[INFO] [stdout]  53 | impl<'a, T: Client + Sync> AvroSerializer<'a, T> {
[INFO] [stdout]     | ------------------------------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 318 |     fn close(&mut self) {}
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `close` is never used
[INFO] [stdout]    --> src/serdes/json.rs:311:8
[INFO] [stdout]     |
[INFO] [stdout]  52 | impl<'a, T: Client + Sync> JsonSerializer<'a, T> {
[INFO] [stdout]     | ------------------------------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 311 |     fn close(&mut self) {}
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `close` is never used
[INFO] [stdout]    --> src/serdes/protobuf.rs:434:8
[INFO] [stdout]     |
[INFO] [stdout]  71 | impl<'a, T: Client + Sync> ProtobufSerializer<'a, T> {
[INFO] [stdout]     | ---------------------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 434 |     fn close(&mut self) {}
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_actions` is never used
[INFO] [stdout]     --> src/serdes/serde.rs:1506:15
[INFO] [stdout]      |
[INFO] [stdout] 1506 | pub(crate) fn get_actions(rule_registry: Option<&RuleRegistry>) -> Vec<Arc<dyn RuleAction>> {
[INFO] [stdout]      |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_overrides` is never used
[INFO] [stdout]     --> src/serdes/serde.rs:1525:15
[INFO] [stdout]      |
[INFO] [stdout] 1525 | pub(crate) fn get_overrides(rule_registry: Option<&RuleRegistry>) -> Vec<RuleOverride> {
[INFO] [stdout]      |               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 11s
[INFO] running `Command { std: "docker" "inspect" "883f83448def0e3ce082197546d8ec29abe81362cd31379022edb89ab951bb28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "883f83448def0e3ce082197546d8ec29abe81362cd31379022edb89ab951bb28", kill_on_drop: false }`
[INFO] [stdout] 883f83448def0e3ce082197546d8ec29abe81362cd31379022edb89ab951bb28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba8ba92f6b1044c71bb2b082fa070bb52dde2351fc47756b4190802c46f3a752
[INFO] running `Command { std: "docker" "start" "-a" "ba8ba92f6b1044c71bb2b082fa070bb52dde2351fc47756b4190802c46f3a752", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling winnow v0.7.6
[INFO] [stderr]    Compiling prost-build v0.13.5
[INFO] [stderr]    Compiling libz-sys v1.1.22
[INFO] [stderr]    Compiling rustls-platform-verifier v0.6.2
[INFO] [stderr]    Compiling rdkafka-sys v4.8.0+2.3.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling apache-avro v0.21.0
[INFO] [stderr]    Compiling humantime v2.2.0
[INFO] [stderr]    Compiling chrono v0.4.40
[INFO] [stderr]    Compiling env_logger v0.9.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling tokio v1.46.0
[INFO] [stderr]    Compiling tink-proto v0.3.0
[INFO] [stderr]    Compiling tink-core v0.3.0
[INFO] [stderr]    Compiling toml_edit v0.22.24
[INFO] [stderr]    Compiling proc-macro-crate v3.3.0
[INFO] [stderr]    Compiling num_enum_derive v0.7.3
[INFO] [stderr]    Compiling num_enum v0.7.3
[INFO] [stderr]    Compiling tokio-util v0.7.14
[INFO] [stderr]    Compiling tokio-rustls v0.26.2
[INFO] [stderr]    Compiling tower v0.5.2
[INFO] [stderr]    Compiling tower-http v0.6.8
[INFO] [stderr]    Compiling h2 v0.4.9
[INFO] [stderr]    Compiling hyper v1.8.1
[INFO] [stderr]    Compiling hyper-util v0.1.20
[INFO] [stderr]    Compiling hyper-rustls v0.27.5
[INFO] [stderr]    Compiling reqwest v0.13.2
[INFO] [stderr]    Compiling jsonschema v0.44.1
[INFO] [stderr]    Compiling schema-registry-client v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `KAFKA_CLUSTER_ID_CONFIG`
[INFO] [stdout]  --> src/serdes/avro.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     KAFKA_CLUSTER_ID_CONFIG, RuleContext, SchemaId, Serde, SerdeError, SerdeFormat, SerdeSchema,
[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: `KAFKA_CLUSTER_ID_CONFIG`
[INFO] [stdout]  --> src/serdes/json.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     KAFKA_CLUSTER_ID_CONFIG, RuleContext, SchemaId, Serde, SerdeError, SerdeFormat, SerdeSchema,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `validator_for`
[INFO] [stdout]   --> src/serdes/json.rs:18:46
[INFO] [stdout]    |
[INFO] [stdout] 18 | use jsonschema::{ValidationError, Validator, validator_for};
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]   --> src/serdes/json.rs:21:24
[INFO] [stdout]    |
[INFO] [stdout] 21 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]    |                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `KAFKA_CLUSTER_ID_CONFIG`
[INFO] [stdout]   --> src/serdes/protobuf.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     KAFKA_CLUSTER_ID_CONFIG, RuleContext, SchemaId, Serde, SerdeError, SerdeFormat, SerdeSchema,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bytes`
[INFO] [stdout]   --> src/serdes/protobuf.rs:20:22
[INFO] [stdout]    |
[INFO] [stdout] 20 | use prost::{Message, bytes};
[INFO] [stdout]    |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufReader`
[INFO] [stdout]   --> src/serdes/protobuf.rs:28:15
[INFO] [stdout]    |
[INFO] [stdout] 28 | use std::io::{BufReader, Cursor};
[INFO] [stdout]    |               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::StreamExt`
[INFO] [stdout]   --> src/serdes/avro.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use futures::StreamExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `base64::Engine`
[INFO] [stdout]   --> src/serdes/json.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use base64::Engine;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `deleted`
[INFO] [stdout]    --> src/rest/mock_dek_registry_client.rs:119:13
[INFO] [stdout]     |
[INFO] [stdout] 119 |         let deleted = false;
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_deleted`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `deleted`
[INFO] [stdout]    --> src/rest/mock_dek_registry_client.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |         deleted: bool,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_deleted`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `subject`
[INFO] [stdout]    --> src/rest/mock_schema_registry_client.rs:228:32
[INFO] [stdout]     |
[INFO] [stdout] 228 |     async fn get_config(&self, subject: &str) -> Result<ServerConfig, Error> {
[INFO] [stdout]     |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_subject`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `subject`
[INFO] [stdout]    --> src/rest/mock_schema_registry_client.rs:233:9
[INFO] [stdout]     |
[INFO] [stdout] 233 |         subject: &str,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_subject`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]    --> src/rest/mock_schema_registry_client.rs:234:9
[INFO] [stdout]     |
[INFO] [stdout] 234 |         config: &ServerConfig,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]    --> src/rest/mock_schema_registry_client.rs:241:43
[INFO] [stdout]     |
[INFO] [stdout] 241 |     async fn update_default_config(&self, config: &ServerConfig) -> Result<ServerConfig, Error> {
[INFO] [stdout]     |                                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rdkafka v0.37.0
[INFO] [stdout] warning: unused variable: `latest_schema`
[INFO] [stdout]    --> src/serdes/avro.rs:482:21
[INFO] [stdout]     |
[INFO] [stdout] 482 |         if let Some(ref latest_schema) = latest_schema {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_latest_schema`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `serde_type`
[INFO] [stdout]   --> src/serdes/protobuf.rs:67:64
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub fn default_reference_subject_name_strategy(ref_name: &str, serde_type: &SerdeType) -> String {
[INFO] [stdout]    |                                                                ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_serde_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `pool` is assigned to, but never used
[INFO] [stdout]    --> src/serdes/protobuf.rs:182:13
[INFO] [stdout]     |
[INFO] [stdout] 182 |         let pool;
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_pool` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `pool` is never read
[INFO] [stdout]    --> src/serdes/protobuf.rs:186:18
[INFO] [stdout]     |
[INFO] [stdout] 186 |             (fd, pool) = self.get_parsed_schema(&schema).await?;
[INFO] [stdout]     |                  ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `desc_proto`
[INFO] [stdout]    --> src/serdes/protobuf.rs:700:25
[INFO] [stdout]     |
[INFO] [stdout] 700 |         let (full_name, desc_proto) =
[INFO] [stdout]     |                         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_desc_proto`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/serdes/serde.rs:69:27
[INFO] [stdout]    |
[INFO] [stdout] 69 |                 .map_err(|e| Serialization("could not read schema ID".to_string()))?;
[INFO] [stdout]    |                           ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `enabled_env` is never read
[INFO] [stdout]    --> src/serdes/serde.rs:653:47
[INFO] [stdout]     |
[INFO] [stdout] 653 |         let mut enabled_env: Option<String> = None;
[INFO] [stdout]     |                                               ^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 657 |                 enabled_env = target
[INFO] [stdout]     |                 ----------- `enabled_env` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/serdes/serde.rs:877:31
[INFO] [stdout]     |
[INFO] [stdout] 877 |     fn get_rule_action(&self, ctx: &RuleContext, action_name: &str) -> Option<Arc<dyn RuleAction>> {
[INFO] [stdout]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `client_config`
[INFO] [stdout]     --> src/serdes/serde.rs:1093:9
[INFO] [stdout]      |
[INFO] [stdout] 1093 |         client_config: &ClientConfig,
[INFO] [stdout]      |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_client_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rule_config`
[INFO] [stdout]     --> src/serdes/serde.rs:1094:9
[INFO] [stdout]      |
[INFO] [stdout] 1094 |         rule_config: &HashMap<String, String>,
[INFO] [stdout]      |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rule_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]     --> src/serdes/serde.rs:1197:9
[INFO] [stdout]      |
[INFO] [stdout] 1197 |         msg: &SerdeValue,
[INFO] [stdout]      |         ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ex`
[INFO] [stdout]     --> src/serdes/serde.rs:1228:9
[INFO] [stdout]      |
[INFO] [stdout] 1228 |         ex: Option<SerdeError>,
[INFO] [stdout]      |         ^^ help: if this is intentional, prefix it with an underscore: `_ex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]     --> src/serdes/serde.rs:1226:9
[INFO] [stdout]      |
[INFO] [stdout] 1226 |         ctx: &RuleContext,
[INFO] [stdout]      |         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]     --> src/serdes/serde.rs:1227:9
[INFO] [stdout]      |
[INFO] [stdout] 1227 |         msg: &SerdeValue,
[INFO] [stdout]      |         ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `TEST_FILE_DESCRIPTOR_SET` is never used
[INFO] [stdout]   --> src/lib.rs:87:8
[INFO] [stdout]    |
[INFO] [stdout] 87 | static TEST_FILE_DESCRIPTOR_SET: &[u8] = include_bytes!("codegen/test/file_descriptor_set.bin");
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `TEST_DESCRIPTOR_POOL` is never used
[INFO] [stdout]   --> src/lib.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 | static TEST_DESCRIPTOR_POOL: LazyLock<DescriptorPool> = LazyLock::new(|| {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_id_by_schema` and `get_registered_by_id` are never used
[INFO] [stdout]    --> src/rest/schema_registry_client.rs:945:12
[INFO] [stdout]     |
[INFO] [stdout] 823 | impl SchemaStore {
[INFO] [stdout]     | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 945 |     pub fn get_id_by_schema(&self, subject: &str, schema: &Schema) -> Option<i32> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 968 |     pub fn get_registered_by_id(&self, subject: &str, schema_id: i32) -> Option<RegisteredSchema> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `close` is never used
[INFO] [stdout]    --> src/serdes/avro.rs:318:8
[INFO] [stdout]     |
[INFO] [stdout]  53 | impl<'a, T: Client + Sync> AvroSerializer<'a, T> {
[INFO] [stdout]     | ------------------------------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 318 |     fn close(&mut self) {}
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `close` is never used
[INFO] [stdout]    --> src/serdes/json.rs:311:8
[INFO] [stdout]     |
[INFO] [stdout]  52 | impl<'a, T: Client + Sync> JsonSerializer<'a, T> {
[INFO] [stdout]     | ------------------------------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 311 |     fn close(&mut self) {}
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `close` is never used
[INFO] [stdout]    --> src/serdes/protobuf.rs:434:8
[INFO] [stdout]     |
[INFO] [stdout]  71 | impl<'a, T: Client + Sync> ProtobufSerializer<'a, T> {
[INFO] [stdout]     | ---------------------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 434 |     fn close(&mut self) {}
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_actions` is never used
[INFO] [stdout]     --> src/serdes/serde.rs:1506:15
[INFO] [stdout]      |
[INFO] [stdout] 1506 | pub(crate) fn get_actions(rule_registry: Option<&RuleRegistry>) -> Vec<Arc<dyn RuleAction>> {
[INFO] [stdout]      |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_overrides` is never used
[INFO] [stdout]     --> src/serdes/serde.rs:1525:15
[INFO] [stdout]      |
[INFO] [stdout] 1525 | pub(crate) fn get_overrides(rule_registry: Option<&RuleRegistry>) -> Vec<RuleOverride> {
[INFO] [stdout]      |               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `KAFKA_CLUSTER_ID_CONFIG`
[INFO] [stdout]  --> src/serdes/avro.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     KAFKA_CLUSTER_ID_CONFIG, RuleContext, SchemaId, Serde, SerdeError, SerdeFormat, SerdeSchema,
[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: `KAFKA_CLUSTER_ID_CONFIG`
[INFO] [stdout]  --> src/serdes/json.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     KAFKA_CLUSTER_ID_CONFIG, RuleContext, SchemaId, Serde, SerdeError, SerdeFormat, SerdeSchema,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `validator_for`
[INFO] [stdout]   --> src/serdes/json.rs:18:46
[INFO] [stdout]    |
[INFO] [stdout] 18 | use jsonschema::{ValidationError, Validator, validator_for};
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]   --> src/serdes/json.rs:21:24
[INFO] [stdout]    |
[INFO] [stdout] 21 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]    |                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `KAFKA_CLUSTER_ID_CONFIG`
[INFO] [stdout]   --> src/serdes/protobuf.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     KAFKA_CLUSTER_ID_CONFIG, RuleContext, SchemaId, Serde, SerdeError, SerdeFormat, SerdeSchema,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bytes`
[INFO] [stdout]   --> src/serdes/protobuf.rs:20:22
[INFO] [stdout]    |
[INFO] [stdout] 20 | use prost::{Message, bytes};
[INFO] [stdout]    |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufReader`
[INFO] [stdout]   --> src/serdes/protobuf.rs:28:15
[INFO] [stdout]    |
[INFO] [stdout] 28 | use std::io::{BufReader, Cursor};
[INFO] [stdout]    |               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::StreamExt`
[INFO] [stdout]   --> src/serdes/avro.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use futures::StreamExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `base64::Engine`
[INFO] [stdout]   --> src/serdes/json.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use base64::Engine;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `deleted`
[INFO] [stdout]    --> src/rest/mock_dek_registry_client.rs:119:13
[INFO] [stdout]     |
[INFO] [stdout] 119 |         let deleted = false;
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_deleted`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `deleted`
[INFO] [stdout]    --> src/rest/mock_dek_registry_client.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |         deleted: bool,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_deleted`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `subject`
[INFO] [stdout]    --> src/rest/mock_schema_registry_client.rs:228:32
[INFO] [stdout]     |
[INFO] [stdout] 228 |     async fn get_config(&self, subject: &str) -> Result<ServerConfig, Error> {
[INFO] [stdout]     |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_subject`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `subject`
[INFO] [stdout]    --> src/rest/mock_schema_registry_client.rs:233:9
[INFO] [stdout]     |
[INFO] [stdout] 233 |         subject: &str,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_subject`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]    --> src/rest/mock_schema_registry_client.rs:234:9
[INFO] [stdout]     |
[INFO] [stdout] 234 |         config: &ServerConfig,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]    --> src/rest/mock_schema_registry_client.rs:241:43
[INFO] [stdout]     |
[INFO] [stdout] 241 |     async fn update_default_config(&self, config: &ServerConfig) -> Result<ServerConfig, Error> {
[INFO] [stdout]     |                                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `latest_schema`
[INFO] [stdout]    --> src/serdes/avro.rs:482:21
[INFO] [stdout]     |
[INFO] [stdout] 482 |         if let Some(ref latest_schema) = latest_schema {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_latest_schema`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `serde_type`
[INFO] [stdout]   --> src/serdes/protobuf.rs:67:64
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub fn default_reference_subject_name_strategy(ref_name: &str, serde_type: &SerdeType) -> String {
[INFO] [stdout]    |                                                                ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_serde_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `pool` is assigned to, but never used
[INFO] [stdout]    --> src/serdes/protobuf.rs:182:13
[INFO] [stdout]     |
[INFO] [stdout] 182 |         let pool;
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_pool` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `pool` is never read
[INFO] [stdout]    --> src/serdes/protobuf.rs:186:18
[INFO] [stdout]     |
[INFO] [stdout] 186 |             (fd, pool) = self.get_parsed_schema(&schema).await?;
[INFO] [stdout]     |                  ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `desc_proto`
[INFO] [stdout]    --> src/serdes/protobuf.rs:700:25
[INFO] [stdout]     |
[INFO] [stdout] 700 |         let (full_name, desc_proto) =
[INFO] [stdout]     |                         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_desc_proto`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/serdes/serde.rs:69:27
[INFO] [stdout]    |
[INFO] [stdout] 69 |                 .map_err(|e| Serialization("could not read schema ID".to_string()))?;
[INFO] [stdout]    |                           ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `enabled_env` is never read
[INFO] [stdout]    --> src/serdes/serde.rs:653:47
[INFO] [stdout]     |
[INFO] [stdout] 653 |         let mut enabled_env: Option<String> = None;
[INFO] [stdout]     |                                               ^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 657 |                 enabled_env = target
[INFO] [stdout]     |                 ----------- `enabled_env` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/serdes/serde.rs:877:31
[INFO] [stdout]     |
[INFO] [stdout] 877 |     fn get_rule_action(&self, ctx: &RuleContext, action_name: &str) -> Option<Arc<dyn RuleAction>> {
[INFO] [stdout]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `client_config`
[INFO] [stdout]     --> src/serdes/serde.rs:1093:9
[INFO] [stdout]      |
[INFO] [stdout] 1093 |         client_config: &ClientConfig,
[INFO] [stdout]      |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_client_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rule_config`
[INFO] [stdout]     --> src/serdes/serde.rs:1094:9
[INFO] [stdout]      |
[INFO] [stdout] 1094 |         rule_config: &HashMap<String, String>,
[INFO] [stdout]      |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rule_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]     --> src/serdes/serde.rs:1197:9
[INFO] [stdout]      |
[INFO] [stdout] 1197 |         msg: &SerdeValue,
[INFO] [stdout]      |         ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ex`
[INFO] [stdout]     --> src/serdes/serde.rs:1228:9
[INFO] [stdout]      |
[INFO] [stdout] 1228 |         ex: Option<SerdeError>,
[INFO] [stdout]      |         ^^ help: if this is intentional, prefix it with an underscore: `_ex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]     --> src/serdes/serde.rs:1226:9
[INFO] [stdout]      |
[INFO] [stdout] 1226 |         ctx: &RuleContext,
[INFO] [stdout]      |         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]     --> src/serdes/serde.rs:1227:9
[INFO] [stdout]      |
[INFO] [stdout] 1227 |         msg: &SerdeValue,
[INFO] [stdout]      |         ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `TEST_FILE_DESCRIPTOR_SET` is never used
[INFO] [stdout]   --> src/lib.rs:87:8
[INFO] [stdout]    |
[INFO] [stdout] 87 | static TEST_FILE_DESCRIPTOR_SET: &[u8] = include_bytes!("codegen/test/file_descriptor_set.bin");
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `TEST_DESCRIPTOR_POOL` is never used
[INFO] [stdout]   --> src/lib.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 | static TEST_DESCRIPTOR_POOL: LazyLock<DescriptorPool> = LazyLock::new(|| {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_id_by_schema` and `get_registered_by_id` are never used
[INFO] [stdout]    --> src/rest/schema_registry_client.rs:945:12
[INFO] [stdout]     |
[INFO] [stdout] 823 | impl SchemaStore {
[INFO] [stdout]     | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 945 |     pub fn get_id_by_schema(&self, subject: &str, schema: &Schema) -> Option<i32> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 968 |     pub fn get_registered_by_id(&self, subject: &str, schema_id: i32) -> Option<RegisteredSchema> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `close` is never used
[INFO] [stdout]    --> src/serdes/avro.rs:318:8
[INFO] [stdout]     |
[INFO] [stdout]  53 | impl<'a, T: Client + Sync> AvroSerializer<'a, T> {
[INFO] [stdout]     | ------------------------------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 318 |     fn close(&mut self) {}
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `close` is never used
[INFO] [stdout]    --> src/serdes/json.rs:311:8
[INFO] [stdout]     |
[INFO] [stdout]  52 | impl<'a, T: Client + Sync> JsonSerializer<'a, T> {
[INFO] [stdout]     | ------------------------------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 311 |     fn close(&mut self) {}
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `close` is never used
[INFO] [stdout]    --> src/serdes/protobuf.rs:434:8
[INFO] [stdout]     |
[INFO] [stdout]  71 | impl<'a, T: Client + Sync> ProtobufSerializer<'a, T> {
[INFO] [stdout]     | ---------------------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 434 |     fn close(&mut self) {}
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_actions` is never used
[INFO] [stdout]     --> src/serdes/serde.rs:1506:15
[INFO] [stdout]      |
[INFO] [stdout] 1506 | pub(crate) fn get_actions(rule_registry: Option<&RuleRegistry>) -> Vec<Arc<dyn RuleAction>> {
[INFO] [stdout]      |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_overrides` is never used
[INFO] [stdout]     --> src/serdes/serde.rs:1525:15
[INFO] [stdout]      |
[INFO] [stdout] 1525 | pub(crate) fn get_overrides(rule_registry: Option<&RuleRegistry>) -> Vec<RuleOverride> {
[INFO] [stdout]      |               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/serdes/serde.rs:1544:9
[INFO] [stdout]      |
[INFO] [stdout] 1544 |         schema_id.read_from_bytes(&input);
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]      = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1544 |         let _ = schema_id.read_from_bytes(&input);
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/serdes/serde.rs:1559:9
[INFO] [stdout]      |
[INFO] [stdout] 1559 |         schema_id.read_from_bytes(&input);
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1559 |         let _ = schema_id.read_from_bytes(&input);
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/serdes/serde.rs:1576:9
[INFO] [stdout]      |
[INFO] [stdout] 1576 |         schema_id.read_from_bytes(&input);
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1576 |         let _ = schema_id.read_from_bytes(&input);
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/serdes/serde.rs:1597:9
[INFO] [stdout]      |
[INFO] [stdout] 1597 |         schema_id.read_from_bytes(&input);
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1597 |         let _ = schema_id.read_from_bytes(&input);
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1m 21s
[INFO] running `Command { std: "docker" "inspect" "ba8ba92f6b1044c71bb2b082fa070bb52dde2351fc47756b4190802c46f3a752", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba8ba92f6b1044c71bb2b082fa070bb52dde2351fc47756b4190802c46f3a752", kill_on_drop: false }`
[INFO] [stdout] ba8ba92f6b1044c71bb2b082fa070bb52dde2351fc47756b4190802c46f3a752
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a3f9255b1dc00f775c7fd577d6dfe6cee9c3292c8077627b362c251530c49233
[INFO] running `Command { std: "docker" "start" "-a" "a3f9255b1dc00f775c7fd577d6dfe6cee9c3292c8077627b362c251530c49233", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `KAFKA_CLUSTER_ID_CONFIG`
[INFO] [stderr]  --> src/serdes/avro.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     KAFKA_CLUSTER_ID_CONFIG, RuleContext, SchemaId, Serde, SerdeError, SerdeFormat, SerdeSchema,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `KAFKA_CLUSTER_ID_CONFIG`
[INFO] [stderr]  --> src/serdes/json.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     KAFKA_CLUSTER_ID_CONFIG, RuleContext, SchemaId, Serde, SerdeError, SerdeFormat, SerdeSchema,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `validator_for`
[INFO] [stderr]   --> src/serdes/json.rs:18:46
[INFO] [stderr]    |
[INFO] [stderr] 18 | use jsonschema::{ValidationError, Validator, validator_for};
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `HashMap`
[INFO] [stderr]   --> src/serdes/json.rs:21:24
[INFO] [stderr]    |
[INFO] [stderr] 21 | use std::collections::{HashMap, HashSet};
[INFO] [stderr]    |                        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `KAFKA_CLUSTER_ID_CONFIG`
[INFO] [stderr]   --> src/serdes/protobuf.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     KAFKA_CLUSTER_ID_CONFIG, RuleContext, SchemaId, Serde, SerdeError, SerdeFormat, SerdeSchema,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `bytes`
[INFO] [stderr]   --> src/serdes/protobuf.rs:20:22
[INFO] [stderr]    |
[INFO] [stderr] 20 | use prost::{Message, bytes};
[INFO] [stderr]    |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BufReader`
[INFO] [stderr]   --> src/serdes/protobuf.rs:28:15
[INFO] [stderr]    |
[INFO] [stderr] 28 | use std::io::{BufReader, Cursor};
[INFO] [stderr]    |               ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures::StreamExt`
[INFO] [stderr]   --> src/serdes/avro.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use futures::StreamExt;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `base64::Engine`
[INFO] [stderr]   --> src/serdes/json.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use base64::Engine;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `deleted`
[INFO] [stderr]    --> src/rest/mock_dek_registry_client.rs:119:13
[INFO] [stderr]     |
[INFO] [stderr] 119 |         let deleted = false;
[INFO] [stderr]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_deleted`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `deleted`
[INFO] [stderr]    --> src/rest/mock_dek_registry_client.rs:137:9
[INFO] [stderr]     |
[INFO] [stderr] 137 |         deleted: bool,
[INFO] [stderr]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_deleted`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `subject`
[INFO] [stderr]    --> src/rest/mock_schema_registry_client.rs:228:32
[INFO] [stderr]     |
[INFO] [stderr] 228 |     async fn get_config(&self, subject: &str) -> Result<ServerConfig, Error> {
[INFO] [stderr]     |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_subject`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `subject`
[INFO] [stderr]    --> src/rest/mock_schema_registry_client.rs:233:9
[INFO] [stderr]     |
[INFO] [stderr] 233 |         subject: &str,
[INFO] [stderr]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_subject`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `config`
[INFO] [stderr]    --> src/rest/mock_schema_registry_client.rs:234:9
[INFO] [stderr]     |
[INFO] [stderr] 234 |         config: &ServerConfig,
[INFO] [stderr]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `config`
[INFO] [stderr]    --> src/rest/mock_schema_registry_client.rs:241:43
[INFO] [stderr]     |
[INFO] [stderr] 241 |     async fn update_default_config(&self, config: &ServerConfig) -> Result<ServerConfig, Error> {
[INFO] [stderr]     |                                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `latest_schema`
[INFO] [stderr]    --> src/serdes/avro.rs:482:21
[INFO] [stderr]     |
[INFO] [stderr] 482 |         if let Some(ref latest_schema) = latest_schema {
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_latest_schema`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `serde_type`
[INFO] [stderr]   --> src/serdes/protobuf.rs:67:64
[INFO] [stderr]    |
[INFO] [stderr] 67 | pub fn default_reference_subject_name_strategy(ref_name: &str, serde_type: &SerdeType) -> String {
[INFO] [stderr]    |                                                                ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_serde_type`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `pool` is assigned to, but never used
[INFO] [stderr]    --> src/serdes/protobuf.rs:182:13
[INFO] [stderr]     |
[INFO] [stderr] 182 |         let pool;
[INFO] [stderr]     |             ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_pool` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `pool` is never read
[INFO] [stderr]    --> src/serdes/protobuf.rs:186:18
[INFO] [stderr]     |
[INFO] [stderr] 186 |             (fd, pool) = self.get_parsed_schema(&schema).await?;
[INFO] [stderr]     |                  ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `desc_proto`
[INFO] [stderr]    --> src/serdes/protobuf.rs:700:25
[INFO] [stderr]     |
[INFO] [stderr] 700 |         let (full_name, desc_proto) =
[INFO] [stderr]     |                         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_desc_proto`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/serdes/serde.rs:69:27
[INFO] [stderr]    |
[INFO] [stderr] 69 |                 .map_err(|e| Serialization("could not read schema ID".to_string()))?;
[INFO] [stderr]    |                           ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `enabled_env` is never read
[INFO] [stderr]    --> src/serdes/serde.rs:653:47
[INFO] [stderr]     |
[INFO] [stderr] 653 |         let mut enabled_env: Option<String> = None;
[INFO] [stderr]     |                                               ^^^^ this value is reassigned later and never used
[INFO] [stderr] ...
[INFO] [stderr] 657 |                 enabled_env = target
[INFO] [stderr]     |                 ----------- `enabled_env` is overwritten here before the previous value is read
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/serdes/serde.rs:877:31
[INFO] [stderr]     |
[INFO] [stderr] 877 |     fn get_rule_action(&self, ctx: &RuleContext, action_name: &str) -> Option<Arc<dyn RuleAction>> {
[INFO] [stderr]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `client_config`
[INFO] [stderr]     --> src/serdes/serde.rs:1093:9
[INFO] [stderr]      |
[INFO] [stderr] 1093 |         client_config: &ClientConfig,
[INFO] [stderr]      |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_client_config`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rule_config`
[INFO] [stderr]     --> src/serdes/serde.rs:1094:9
[INFO] [stderr]      |
[INFO] [stderr] 1094 |         rule_config: &HashMap<String, String>,
[INFO] [stderr]      |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rule_config`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `msg`
[INFO] [stderr]     --> src/serdes/serde.rs:1197:9
[INFO] [stderr]      |
[INFO] [stderr] 1197 |         msg: &SerdeValue,
[INFO] [stderr]      |         ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ex`
[INFO] [stderr]     --> src/serdes/serde.rs:1228:9
[INFO] [stderr]      |
[INFO] [stderr] 1228 |         ex: Option<SerdeError>,
[INFO] [stderr]      |         ^^ help: if this is intentional, prefix it with an underscore: `_ex`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]     --> src/serdes/serde.rs:1226:9
[INFO] [stderr]      |
[INFO] [stderr] 1226 |         ctx: &RuleContext,
[INFO] [stderr]      |         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `msg`
[INFO] [stderr]     --> src/serdes/serde.rs:1227:9
[INFO] [stderr]      |
[INFO] [stderr] 1227 |         msg: &SerdeValue,
[INFO] [stderr]      |         ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stderr] 
[INFO] [stderr] warning: static `TEST_FILE_DESCRIPTOR_SET` is never used
[INFO] [stderr]   --> src/lib.rs:87:8
[INFO] [stderr]    |
[INFO] [stderr] 87 | static TEST_FILE_DESCRIPTOR_SET: &[u8] = include_bytes!("codegen/test/file_descriptor_set.bin");
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static `TEST_DESCRIPTOR_POOL` is never used
[INFO] [stderr]   --> src/lib.rs:89:8
[INFO] [stderr]    |
[INFO] [stderr] 89 | static TEST_DESCRIPTOR_POOL: LazyLock<DescriptorPool> = LazyLock::new(|| {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `get_id_by_schema` and `get_registered_by_id` are never used
[INFO] [stderr]    --> src/rest/schema_registry_client.rs:945:12
[INFO] [stderr]     |
[INFO] [stderr] 823 | impl SchemaStore {
[INFO] [stderr]     | ---------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 945 |     pub fn get_id_by_schema(&self, subject: &str, schema: &Schema) -> Option<i32> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 968 |     pub fn get_registered_by_id(&self, subject: &str, schema_id: i32) -> Option<RegisteredSchema> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `close` is never used
[INFO] [stderr]    --> src/serdes/avro.rs:318:8
[INFO] [stderr]     |
[INFO] [stderr]  53 | impl<'a, T: Client + Sync> AvroSerializer<'a, T> {
[INFO] [stderr]     | ------------------------------------------------ method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 318 |     fn close(&mut self) {}
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `close` is never used
[INFO] [stderr]    --> src/serdes/json.rs:311:8
[INFO] [stderr]     |
[INFO] [stderr]  52 | impl<'a, T: Client + Sync> JsonSerializer<'a, T> {
[INFO] [stderr]     | ------------------------------------------------ method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 311 |     fn close(&mut self) {}
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `close` is never used
[INFO] [stderr]    --> src/serdes/protobuf.rs:434:8
[INFO] [stderr]     |
[INFO] [stderr]  71 | impl<'a, T: Client + Sync> ProtobufSerializer<'a, T> {
[INFO] [stderr]     | ---------------------------------------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 434 |     fn close(&mut self) {}
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_actions` is never used
[INFO] [stderr]     --> src/serdes/serde.rs:1506:15
[INFO] [stderr]      |
[INFO] [stderr] 1506 | pub(crate) fn get_actions(rule_registry: Option<&RuleRegistry>) -> Vec<Arc<dyn RuleAction>> {
[INFO] [stderr]      |               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_overrides` is never used
[INFO] [stderr]     --> src/serdes/serde.rs:1525:15
[INFO] [stderr]      |
[INFO] [stderr] 1525 | pub(crate) fn get_overrides(rule_registry: Option<&RuleRegistry>) -> Vec<RuleOverride> {
[INFO] [stderr]      |               ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `schema-registry-client` (lib) generated 37 warnings (run `cargo fix --lib -p schema-registry-client` to apply 24 suggestions)
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]     --> src/serdes/serde.rs:1544:9
[INFO] [stderr]      |
[INFO] [stderr] 1544 |         schema_id.read_from_bytes(&input);
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]      = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]      |
[INFO] [stderr] 1544 |         let _ = schema_id.read_from_bytes(&input);
[INFO] [stderr]      |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]     --> src/serdes/serde.rs:1559:9
[INFO] [stderr]      |
[INFO] [stderr] 1559 |         schema_id.read_from_bytes(&input);
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]      |
[INFO] [stderr] 1559 |         let _ = schema_id.read_from_bytes(&input);
[INFO] [stderr]      |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]     --> src/serdes/serde.rs:1576:9
[INFO] [stderr]      |
[INFO] [stderr] 1576 |         schema_id.read_from_bytes(&input);
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]      |
[INFO] [stderr] 1576 |         let _ = schema_id.read_from_bytes(&input);
[INFO] [stderr]      |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]     --> src/serdes/serde.rs:1597:9
[INFO] [stderr]      |
[INFO] [stderr] 1597 |         schema_id.read_from_bytes(&input);
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]      |
[INFO] [stderr] 1597 |         let _ = schema_id.read_from_bytes(&input);
[INFO] [stderr]      |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `schema-registry-client` (lib test) generated 41 warnings (37 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.63s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/schema_registry_client-d0fb905e9a7ef99c)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test serdes::serde::tests::test_schema_guid ... ok
[INFO] [stdout] test serdes::serde::tests::test_schema_id_with_message_indexes ... ok
[INFO] [stdout] test serdes::serde::tests::test_schema_guid_with_message_indexes ... ok
[INFO] [stdout] test serdes::serde::tests::test_schema_id ... ok
[INFO] [stdout] test rest::mock_schema_registry_client::tests::test_get_subjects ... ok
[INFO] [stdout] test serdes::wildcard_matcher::tests::test_wildcard_matcher ... ok
[INFO] [stdout] test rest::schema_registry_client::tests::test_get_subjects ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.81s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests schema_registry_client
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a3f9255b1dc00f775c7fd577d6dfe6cee9c3292c8077627b362c251530c49233", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3f9255b1dc00f775c7fd577d6dfe6cee9c3292c8077627b362c251530c49233", kill_on_drop: false }`
[INFO] [stdout] a3f9255b1dc00f775c7fd577d6dfe6cee9c3292c8077627b362c251530c49233
