[head tinderbox] failure on amd64/amd64

[FreeBSD Tinderbox]

TB --- 2008-08-17 17:20:59 - tinderbox 2.4 running on ref7-amd64.freebsd.org
TB --- 2008-08-17 17:20:59 - starting HEAD tinderbox run for amd64/amd64
TB --- 2008-08-17 17:20:59 - WARNING: /scratch/tmp/des/HEAD/amd64/amd64/lock: flock(): Resource temporarily unavailable
TB --- 2008-08-17 17:20:59 - ERROR: unable to lock sandbox
TB --- 2008-08-17 17:20:59 - tinderbox aborted
TB --- 0.03 user 0.02 system 0.02 real


http://tinderbox.des.no/tinderbox-vimage-HEAD-amd64-amd64.full