abort: error: HTTP/
Traceback (most recent call last):
  File "client.py", line 162, in <module>
    do_hg_pull('mozilla', options.mozilla_repo, options.hg, options.mozilla_rev)
  File "client.py", line 51, in do_hg_pull
    check_call_noisy([hg, 'clone', repository, fulldir])
  File "client.py", line 44, in check_call_noisy
    check_call(cmd, *args, **kwargs)
  File "c:\mozilla-build\python\lib\subprocess.py", line 511, in check_call
    raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command '['hg', 'clone', 'http://hg.mozilla.org/releases/mozilla-release/', '.\\mozilla']' returned non-zero exit status -1
Traceback (most recent call last):
  File "client.py", line 158, in <module>
    check_call_noisy(args)
  File "client.py", line 44, in check_call_noisy
    check_call(cmd, *args, **kwargs)
  File "c:\mozilla-build\python\lib\subprocess.py", line 511, in check_call
    raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command '['c:\\mozilla-build\\python\\python.exe', 'client.py', '--skip-instantbird', 'checkout']' returned non-zero exit status 1