mini-dinstall log notice (ERROR)

[Mini-Dinstall]

Failed to process "/org/alioth.debian.org/chroot/home/groups/pkg-java/htdocs/mini-dinstall/incoming/liblastfm-java_5.21-1_i386.changes"
Traceback (most recent call last):
  File "/home/groups/pkg-java/mini-dinstall", line 779, in _install_run_scripts
    self._install_changefile_internal(changefilename, changefile)
  File "/home/groups/pkg-java/mini-dinstall", line 915, in _install_changefile_internal
    do_rename(oldname, newname)
  File "/home/groups/pkg-java/mini-dinstall", line 174, in do_rename
    os.rename(source, target)
OSError: [Errno 13] Permission denied