Seems like the default server bear script has broken and few of the mirrors of testing download speed removed.
Checking server stats...
Running dd I/O benchmark...
Running IOPing I/O benchmark...
Running FIO benchmark...
Running bandwidth benchmark...
Benchmarking download from Cachefly (http://cachefly.cachefly.net/100mb.test)
Got MB/s-
Benchmarking download from Linode, Atlanta, GA, USA (http://atlanta1.linode.com/100MB-atlanta.bin)
tail: `sb-script.log' has become inaccessible: No such file or directory
Terminated
