install/compilation failure

[mehar]

Compiling kafka-benchmark v0.2.0 (/Users/mesimhad/research/kafka-benchmark) error[E0599]: no method named send_copy found for type rdkafka::producer::BaseProducer<producer::BenchmarkProducerContext> in the current scope --> src/producer/mod.rs:55:10 | 55 | .send_copy::<str, str>(&scenario.topic, None, Some("warmup"), None, (), None) | ^^^^^^^^^

error[E0599]: no method named send_copy found for type rdkafka::producer::BaseProducer<producer::BenchmarkProducerContext> in the current scope --> src/producer/mod.rs:68:28 | 68 | match producer.send_copy::<[u8], [u8]>( | ^^^^^^^^^

error[E0599]: no method named send_copy found for type rdkafka::producer::FutureProducer in the current scope --> src/producer/mod.rs:119:10 | 119 | .send_copy::<str, str>(&scenario.topic, None, Some("warmup"), None, None, 1000) | ^^^^^^^^^

error[E0599]: no method named send_copy found for type rdkafka::producer::FutureProducer in the current scope --> src/producer/mod.rs:131:31 | 131 | futures.push(producer.send_copy::<[u8], [u8]>( | ^^^^^^^^^

error: aborting due to 4 previous errors

For more information about this error, try rustc --explain E0599. error: failed to compile kafka-benchmark v0.2.0 (/Users/mesimhad/research/kafka-benchmark), intermediate artifacts can be found at /Users/mesimhad/research/kafka-benchmark/target

Caused by: Could not compile kafka-benchmark.

To learn more, run the command again with --verbose.