自己学校的OJ，在尝试每次提交都重编译代码的时候失败了，现在回滚之后交什么都System Error，错误信息如下

Error: Error: ENOTEMPTY: directory not empty, rmdir '/home/running/syzoj/sandbox/bin/src-cpp11a74cc7f2e580c1a56e5386389e988f526310287a3ba0c0bbed02b760b91387e9'

Error: Error: EEXIST: file already exists, open '/home/running/syzoj/sandbox/bin/src-cpp11a74cc7f2e580c1a56e5386389e988f526310287a3ba0c0bbed02b760b91387e9-get.lock'