[INFO] fetching crate schema-registry-client 0.4.2...
[INFO] checking schema-registry-client-0.4.2 against master#ff647322379c48947c196639599067665ff9eb88 for pr-151539-1
[INFO] extracting crate schema-registry-client 0.4.2 into /workspace/builds/worker-4-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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate schema-registry-client 0.4.2 on toolchain ff647322379c48947c196639599067665ff9eb88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff647322379c48947c196639599067665ff9eb88" "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" "+ff647322379c48947c196639599067665ff9eb88" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "557df53bea05a77611aebe51fc4ed1a087389247e8e9f79138804386c14f6257", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "557df53bea05a77611aebe51fc4ed1a087389247e8e9f79138804386c14f6257" "/opt/rustwide/cargo-home/bin/cargo" "+ff647322379c48947c196639599067665ff9eb88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "557df53bea05a77611aebe51fc4ed1a087389247e8e9f79138804386c14f6257", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "557df53bea05a77611aebe51fc4ed1a087389247e8e9f79138804386c14f6257" "/opt/rustwide/cargo-home/bin/cargo" "+ff647322379c48947c196639599067665ff9eb88" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[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: `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 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: `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: `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: `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: `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: `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: `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: `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: `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 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 `dev` profile [unoptimized + debuginfo] target(s) in 23.12s
[INFO] running `Command { std: "docker" "inspect" "557df53bea05a77611aebe51fc4ed1a087389247e8e9f79138804386c14f6257", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "557df53bea05a77611aebe51fc4ed1a087389247e8e9f79138804386c14f6257", kill_on_drop: false }`
[INFO] [stdout] 557df53bea05a77611aebe51fc4ed1a087389247e8e9f79138804386c14f6257
