2019-03-12 16:00:50 [ERROR   ] [FAIL] Ostree (variant Everything, arch x86_64) failed, but going on anyway.
2019-03-12 16:00:50 [ERROR   ] 'ascii' codec can't decode byte 0xc2 in position 6271: ordinal not in range(128)
2019-03-12 16:00:50 [DEBUG   ] Traceback (most recent call last):
  File "/usr/lib/python3.7/site-packages/pungi/util.py", line 517, in failable
    yield
  File "/usr/lib/python3.7/site-packages/pungi/phases/ostree.py", line 51, in process
    self.worker(compose, variant, arch, config)
  File "/usr/lib/python3.7/site-packages/pungi/phases/ostree.py", line 94, in worker
    extra_config_file=extra_config_file)
  File "/usr/lib/python3.7/site-packages/pungi/phases/ostree.py", line 160, in _run_ostree_cmd
    output = koji.run_runroot_cmd(koji_cmd, log_file=log_file)
  File "/usr/lib/python3.7/site-packages/pungi/wrappers/kojiwrapper.py", line 150, in run_runroot_cmd
    show_cmd=True, env=env, universal_newlines=True)
  File "/usr/lib/python3.7/site-packages/kobo/shortcuts.py", line 329, in run
    lines = proc.stdout.read(buffer_size)
  File "/usr/lib64/python3.7/encodings/ascii.py", line 26, in decode
    return codecs.ascii_decode(input, self.errors)[0]
UnicodeDecodeError: 'ascii' codec can't decode byte 0xc2 in position 6271: ordinal not in range(128)