Crashing because of runtime error: slice bounds out of range #1

stack trace:

panic: runtime error: slice bounds out of range

goroutine 195 [running]:
panic(0x100f260, 0x1b20870)
/var/tmp/godownload/install/go/src/runtime/panic.go:551 +0x3c1 fp=0xc4210ec210 sp=0xc4210ec170 pc=0x43d331
runtime.panicslice()
/var/tmp/godownload/install/go/src/runtime/panic.go:35 +0x5e fp=0xc4210ec230 sp=0xc4210ec210 pc=0x43c04e
arubanetworks.com/vendor/github.com/kkdai/consistent.(*ConsistentHashing).hasKey(0xc420438d50, 0xc420daa770, 0x64, 0x0)
github.com/kkdai/consistent/consistent.go:126 +0x9e fp=0xc4210ec268 sp=0xc4210ec230 pc=0xd0b57e
arubanetworks.com/vendor/github.com/kkdai/consistent.(*ConsistentHashing).searchNearRingIndex(0xc420438d50, 0xc420daa770, 0x64, 0x422ba9)
github.com/kkdai/consistent/consistent.go:99 +0x43 fp=0xc4210ec2b0 sp=0xc4210ec268 pc=0xd0b293
arubanetworks.com/vendor/github.com/kkdai/consistent.(*ConsistentHashing).Get(0xc420438d50, 0xc420daa770, 0x64, 0xc4210ec368, 0x48252c, 0x1b22010, 0xc420468900)
github.com/kkdai/consistent/consistent.go:42 +0xba fp=0xc4210ec2e8 sp=0xc4210ec2b0 pc=0xd0ac3a

it's because of hasKey don't hvae protection against strings larger than 64 bytes.