[INFO] fetching crate rskafka_wasi 0.3.1...
[INFO] checking rskafka_wasi-0.3.1 against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] extracting crate rskafka_wasi 0.3.1 into /workspace/builds/worker-0-tc2/source
[INFO] removed /workspace/builds/worker-0-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate rskafka_wasi 0.3.1
[INFO] finished tweaking crates.io crate rskafka_wasi 0.3.1
[INFO] tweaked toml for crates.io crate rskafka_wasi 0.3.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rskafka_wasi 0.3.1 on toolchain 40527f3e444fde1deb361751bdef9b9e11d1b971
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 278 packages to highest compatible versions
[INFO] [stderr]       Adding async-socks5 v0.5.1 (available: v0.6.0)
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[INFO] [stderr]       Adding rand v0.8.8 (available: v0.10.2)
[INFO] [stderr]       Adding rdkafka v0.29.0 (available: v0.39.0)
[INFO] [stderr]       Adding rustls v0.20.9 (available: v0.23.45)
[INFO] [stderr]       Adding rustls-pemfile v1.0.4 (available: v2.2.0)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.20)
[INFO] [stderr]       Adding tokio-rustls v0.23.4 (available: v0.26.5)
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]    --> Cargo.toml:121:1
[INFO] [stderr]     |
[INFO] [stderr] 121 | readme = "README.md"
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `rskafka_wasi` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] bc1a486ba57f1af986f1fe69e83cae72db805eee505d2a5e0839e635b6adefde
[INFO] running `Command { std: "docker" "start" "bc1a486ba57f1af986f1fe69e83cae72db805eee505d2a5e0839e635b6adefde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc1a486ba57f1af986f1fe69e83cae72db805eee505d2a5e0839e635b6adefde", 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" "bc1a486ba57f1af986f1fe69e83cae72db805eee505d2a5e0839e635b6adefde" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc1a486ba57f1af986f1fe69e83cae72db805eee505d2a5e0839e635b6adefde", 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 --cfg crater_hack --force-warn invalid-c-variadic-arguments" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "bc1a486ba57f1af986f1fe69e83cae72db805eee505d2a5e0839e635b6adefde" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]    --> Cargo.toml:121:1
[INFO] [stderr]     |
[INFO] [stderr] 121 | readme = "README.md"
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `rskafka_wasi` (manifest) generated 1 warning
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[INFO] [stdout] warning: field `tagged_fields` is never read
[INFO] [stdout]    --> src/protocol/messages/create_topics.rs:291:9
[INFO] [stdout]     |
[INFO] [stdout] 278 | pub struct CreateTopicsResponse {
[INFO] [stdout]     |            -------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 291 |     pub tagged_fields: Option<TaggedFields>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CreateTopicsResponse` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `value`, `read_only`, `config_source`, `is_sensitive`, and `tagged_fields` are never read
[INFO] [stdout]    --> src/protocol/messages/create_topics.rs:321:9
[INFO] [stdout]     |
[INFO] [stdout] 319 | pub struct CreateTopicResponseConfig {
[INFO] [stdout]     |            ------------------------- fields in this struct
[INFO] [stdout] 320 |     /// The configuration name.
[INFO] [stdout] 321 |     pub name: CompactString,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 324 |     pub value: CompactNullableString,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 327 |     pub read_only: Boolean,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 330 |     pub config_source: Int8,
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 333 |     pub is_sensitive: Boolean,
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 336 |     pub tagged_fields: TaggedFields,
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CreateTopicResponseConfig` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `num_partitions`, `replication_factor`, `configs`, and `tagged_fields` are never read
[INFO] [stdout]    --> src/protocol/messages/create_topics.rs:374:9
[INFO] [stdout]     |
[INFO] [stdout] 359 | pub struct CreateTopicResponse {
[INFO] [stdout]     |            ------------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 374 |     pub num_partitions: Option<Int32>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 379 |     pub replication_factor: Option<Int16>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 384 |     pub configs: Vec<CreateTopicResponseConfig>,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 389 |     pub tagged_fields: Option<TaggedFields>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CreateTopicResponse` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `low_watermark` and `tagged_fields` are never read
[INFO] [stdout]    --> src/protocol/messages/delete_records.rs:182:9
[INFO] [stdout]     |
[INFO] [stdout] 177 | pub struct DeleteResponsePartition {
[INFO] [stdout]     |            ----------------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 182 |     pub low_watermark: Int64,
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 190 |     pub tagged_fields: Option<TaggedFields>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `DeleteResponsePartition` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tagged_fields` is never read
[INFO] [stdout]    --> src/protocol/messages/delete_records.rs:226:9
[INFO] [stdout]     |
[INFO] [stdout] 216 | pub struct DeleteResponseTopic {
[INFO] [stdout]     |            ------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 226 |     pub tagged_fields: Option<TaggedFields>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `DeleteResponseTopic` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tagged_fields` is never read
[INFO] [stdout]    --> src/protocol/messages/delete_records.rs:269:9
[INFO] [stdout]     |
[INFO] [stdout] 258 | pub struct DeleteRecordsResponse {
[INFO] [stdout]     |            --------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 269 |     pub tagged_fields: Option<TaggedFields>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `DeleteRecordsResponse` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tagged_fields` is never read
[INFO] [stdout]    --> src/protocol/messages/delete_topics.rs:101:9
[INFO] [stdout]     |
[INFO] [stdout]  88 | pub struct DeleteTopicsResponse {
[INFO] [stdout]     |            -------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 101 |     pub tagged_fields: Option<TaggedFields>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `DeleteTopicsResponse` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tagged_fields` is never read
[INFO] [stdout]    --> src/protocol/messages/delete_topics.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 129 | pub struct DeleteTopicsResponseTopic {
[INFO] [stdout]     |            ------------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 144 |     pub tagged_fields: Option<TaggedFields>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `DeleteTopicsResponseTopic` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `producer_id` and `first_offset` are never read
[INFO] [stdout]    --> src/protocol/messages/fetch.rs:170:9
[INFO] [stdout]     |
[INFO] [stdout] 168 | pub struct FetchResponseAbortedTransaction {
[INFO] [stdout]     |            ------------------------------- fields in this struct
[INFO] [stdout] 169 |     /// The producer id associated with the aborted transaction.
[INFO] [stdout] 170 |     pub producer_id: Int64,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 173 |     pub first_offset: Int64,
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FetchResponseAbortedTransaction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `aborted_transactions` is never read
[INFO] [stdout]    --> src/protocol/messages/fetch.rs:213:9
[INFO] [stdout]     |
[INFO] [stdout] 192 | pub struct FetchResponsePartition {
[INFO] [stdout]     |            ---------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 213 |     pub aborted_transactions: Vec<FetchResponseAbortedTransaction>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FetchResponsePartition` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `timestamp` is never read
[INFO] [stdout]    --> src/protocol/messages/list_offsets.rs:184:9
[INFO] [stdout]     |
[INFO] [stdout] 169 | pub struct ListOffsetsResponsePartition {
[INFO] [stdout]     |            ---------------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 184 |     pub timestamp: Option<Int64>,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ListOffsetsResponsePartition` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `log_append_time_ms` and `log_start_offset` are never read
[INFO] [stdout]    --> src/protocol/messages/produce.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 132 | pub struct ProduceResponsePartitionResponse {
[INFO] [stdout]     |            -------------------------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 148 |     pub log_append_time_ms: Option<Int64>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 153 |     pub log_start_offset: Option<Int64>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ProduceResponsePartitionResponse` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CompactArray` is never constructed
[INFO] [stdout]    --> src/protocol/primitives.rs:647:12
[INFO] [stdout]     |
[INFO] [stdout] 647 | pub struct CompactArray<T>(pub Option<Vec<T>>);
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rdkafka v0.29.0
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `rd_kafka_vtype_t`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rdkafka-0.29.0/src/producer/base_producer.rs:345:17
[INFO] [stdout]     |
[INFO] [stdout] 345 |                 RD_KAFKA_VTYPE_TOPIC,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `rd_kafka_vtype_t` does not implement `VaArgSafe`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rdkafka-0.29.0/src/producer/base_producer.rs:345:17
[INFO] [stdout]     |
[INFO] [stdout] 345 |                 RD_KAFKA_VTYPE_TOPIC,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]     = note: requested on the command line with `--force-warn invalid-c-variadic-arguments`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `rd_kafka_vtype_t`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rdkafka-0.29.0/src/producer/base_producer.rs:347:17
[INFO] [stdout]     |
[INFO] [stdout] 347 |                 RD_KAFKA_VTYPE_PARTITION,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `rd_kafka_vtype_t` does not implement `VaArgSafe`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rdkafka-0.29.0/src/producer/base_producer.rs:347:17
[INFO] [stdout]     |
[INFO] [stdout] 347 |                 RD_KAFKA_VTYPE_PARTITION,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `rd_kafka_vtype_t`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rdkafka-0.29.0/src/producer/base_producer.rs:349:17
[INFO] [stdout]     |
[INFO] [stdout] 349 |                 RD_KAFKA_VTYPE_MSGFLAGS,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `rd_kafka_vtype_t` does not implement `VaArgSafe`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rdkafka-0.29.0/src/producer/base_producer.rs:349:17
[INFO] [stdout]     |
[INFO] [stdout] 349 |                 RD_KAFKA_VTYPE_MSGFLAGS,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `rd_kafka_vtype_t`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rdkafka-0.29.0/src/producer/base_producer.rs:351:17
[INFO] [stdout]     |
[INFO] [stdout] 351 |                 RD_KAFKA_VTYPE_VALUE,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `rd_kafka_vtype_t` does not implement `VaArgSafe`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rdkafka-0.29.0/src/producer/base_producer.rs:351:17
[INFO] [stdout]     |
[INFO] [stdout] 351 |                 RD_KAFKA_VTYPE_VALUE,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `rd_kafka_vtype_t`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rdkafka-0.29.0/src/producer/base_producer.rs:354:17
[INFO] [stdout]     |
[INFO] [stdout] 354 |                 RD_KAFKA_VTYPE_KEY,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `rd_kafka_vtype_t` does not implement `VaArgSafe`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rdkafka-0.29.0/src/producer/base_producer.rs:354:17
[INFO] [stdout]     |
[INFO] [stdout] 354 |                 RD_KAFKA_VTYPE_KEY,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `rd_kafka_vtype_t`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rdkafka-0.29.0/src/producer/base_producer.rs:357:17
[INFO] [stdout]     |
[INFO] [stdout] 357 |                 RD_KAFKA_VTYPE_OPAQUE,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `rd_kafka_vtype_t` does not implement `VaArgSafe`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rdkafka-0.29.0/src/producer/base_producer.rs:357:17
[INFO] [stdout]     |
[INFO] [stdout] 357 |                 RD_KAFKA_VTYPE_OPAQUE,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `rd_kafka_vtype_t`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rdkafka-0.29.0/src/producer/base_producer.rs:359:17
[INFO] [stdout]     |
[INFO] [stdout] 359 |                 RD_KAFKA_VTYPE_TIMESTAMP,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `rd_kafka_vtype_t` does not implement `VaArgSafe`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rdkafka-0.29.0/src/producer/base_producer.rs:359:17
[INFO] [stdout]     |
[INFO] [stdout] 359 |                 RD_KAFKA_VTYPE_TIMESTAMP,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `rd_kafka_vtype_t`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rdkafka-0.29.0/src/producer/base_producer.rs:361:17
[INFO] [stdout]     |
[INFO] [stdout] 361 |                 RD_KAFKA_VTYPE_HEADERS,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `rd_kafka_vtype_t` does not implement `VaArgSafe`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rdkafka-0.29.0/src/producer/base_producer.rs:361:17
[INFO] [stdout]     |
[INFO] [stdout] 361 |                 RD_KAFKA_VTYPE_HEADERS,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `rd_kafka_vtype_t`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rdkafka-0.29.0/src/producer/base_producer.rs:366:17
[INFO] [stdout]     |
[INFO] [stdout] 366 |                 RD_KAFKA_VTYPE_END,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `rd_kafka_vtype_t` does not implement `VaArgSafe`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rdkafka-0.29.0/src/producer/base_producer.rs:366:17
[INFO] [stdout]     |
[INFO] [stdout] 366 |                 RD_KAFKA_VTYPE_END,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rdkafka` (lib) due to 9 previous errors; 9 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "bc1a486ba57f1af986f1fe69e83cae72db805eee505d2a5e0839e635b6adefde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc1a486ba57f1af986f1fe69e83cae72db805eee505d2a5e0839e635b6adefde", kill_on_drop: false }`
[INFO] [stdout] bc1a486ba57f1af986f1fe69e83cae72db805eee505d2a5e0839e635b6adefde
