ubuntu 12.04，运行 qrsync 时提示

 runtime: panic before malloc heap initialized
fatal error: runtime:cannot allocate heap metadata

有可能是哪方面的问题？

BTW，conf.json:

 {
"access_key": "xxx",
"secret_key": "xxx",
"bucket": "my-site-avatars",
"sync_dir": "../avatars",
}