kafka-producer-performance with throughput fail

[KerryJava]

Versions

Please specify real version numbers or git SHAs, not just "Latest" since that changes fairly regularly.

Sarama	Kafka	Go
v1.29.0	0.10.2.0	go1.15.7 linux/amd64

Configuration

What configuration values are you using for Sarama and Kafka?

./kafka-producer-performance -brokers 172.18.8.143:9092,172.18.8.142:9092,172.18.8.141:9092
-topic test
-throughput 500
-version "0.10.2.0"
-message-load 10000
-message-size 5000
-required-acks -1

Logs

panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x30 pc=0x740d46]

goroutine 10 [running]:
github.com/Shopify/sarama.(*produceSet).wouldOverflow(0xc00024c1b0, 0xc0000c0a00, 0x7fff00000008)
/root/go/pkg/mod/github.com/!shopify/[email protected]/produce_set.go:242 +0x206
github.com/Shopify/sarama.(*brokerProducer).run(0xc00381e0e0)
/root/go/pkg/mod/github.com/!shopify/[email protected]/async_producer.go:782 +0x4c5
github.com/Shopify/sarama.withRecover(0xc0000a0a00)
/root/go/pkg/mod/github.com/!shopify/[email protected]/utils.go:43 +0x49
created by github.com/Shopify/sarama.(*asyncProducer).newBrokerProducer
/root/go/pkg/mod/github.com/!shopify/[email protected]/async_producer.go:690 +0x20c
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x30 pc=0x740d46]

goroutine 6 [running]:
github.com/Shopify/sarama.(*produceSet).wouldOverflow(0xc0000a3260, 0xc0000c0a00, 0x7fff0000000a)
/root/go/pkg/mod/github.com/!shopify/[email protected]/produce_set.go:242 +0x206
github.com/Shopify/sarama.(*brokerProducer).run(0xc00381e000)
/root/go/pkg/mod/github.com/!shopify/[email protected]/async_producer.go:782 +0x4c5
github.com/Shopify/sarama.withRecover(0xc0000a09a0)
/root/go/pkg/mod/github.com/!shopify/[email protected]/utils.go:43 +0x49
created by github.com/Shopify/sarama.(*asyncProducer).newBrokerProducer
/root/go/pkg/mod/github.com/!shopify/[email protected]/async_producer.go:690 +0x20c
When filing an issue please provide logs from Sarama and Kafka if at all
possible. You can set sarama.Logger to a log.Logger to capture Sarama debug
output.

logs: CLICK ME

Problem Description

1. run kafka-producer-performance in tools directory with param "-throughput 500"
2. program crash and panic

[KerryJava]

use the code I committed, it runs well

[dnwe]

fixed by #1971

Thanks @KerryJava