(20080710182345)> trac-admin /usr/local/topp/trac/sites/trac/sandbox upgrade
Traceback (most recent call last):
  File "/usr/local/topp/trac/builds/20080710182345/bin/trac-admin", line 7, in ?
    sys.exit(
  File "/usr/local/topp/trac/builds/20080710182345/src/trac/trac/admin/console.py", line 514, in run
    return admin.onecmd(command)
  File "/usr/local/topp/trac/builds/20080710182345/src/trac/trac/admin/console.py", line 76, in onecmd
    rv = cmd.Cmd.onecmd(self, line) or 0
  File "/usr/lib/python2.4/cmd.py", line 218, in onecmd
    return self.default(line)
  File "/usr/local/topp/trac/builds/20080710182345/src/trac/trac/admin/console.py", line 218, in default
    return cmd_mgr.execute_command(*args)
  File "/usr/local/topp/trac/builds/20080710182345/src/trac/trac/admin/api.py", line 118, in execute_command
    return f(*fargs)
  File "/usr/local/topp/trac/builds/20080710182345/src/trac/trac/env.py", line 703, in _do_upgrade
    self.env.upgrade(backup=no_backup is None)
  File "/usr/local/topp/trac/builds/20080710182345/src/trac/trac/env.py", line 449, in upgrade
    self.backup(backup_dest)
  File "/usr/local/topp/trac/builds/20080710182345/src/trac/trac/env.py", line 417, in backup
    shutil.copy (db_name, dest)
  File "/usr/lib/python2.4/shutil.py", line 82, in copy
    copymode(src, dst)
  File "/usr/lib/python2.4/shutil.py", line 61, in copymode
    os.chmod(dst, mode)
OSError: [Errno 1] Operation not permitted: '/usr/local/topp/trac/sites/trac/sandbox/db/trac.db.21.bak'