message: buildenv: Remove debug trace.
diff: @@ -303,7 +303,6 @@ class State:
  '''Available disk space in GB.'''
  statvfs = os.statvfs('.')
  res = int(statvfs.f_frsize * statvfs.f_bavail / 1024 ** 3)
  - print('disk_space: available space:', res)
  return res
  def garbage_collect_build_trees(self):
  