File "/opt/app-root/src/.cache/pants/setup/bootstrap-Linux-x86_64/1.11.0rc1/lib/python2.7/site-packages/pants/reporting/html_reporter.py", line 320, in handle_output
    f.write(self._htmlify_text(s))

Exception message: 'ascii' codec can't encode character u'\u2713' in position 144: ordinal not in range(128)