[Python] Cannot create virtual environment with "setuptools pip wheel failed with error code 1"

I'm using Windows 10 with Python 3.5 64bit. And installed virtualenv from pip.

When trying to create a new virtual environment, it tends to fail with the following logging:

> virtualenv env1

Using base prefix 'c:\\program files\\python 3.5'
New python executable in env1\Scripts\python.exe
Installing setuptools, pip, wheel...
Complete output from command E:\vp\env1\Scripts\python.exe -c "import sys, pip; sys...d\"] + sys.argv[1:]))" setuptools pip wheel:
Ignoring indexes: https://pypi.python.org/simple
Collecting setuptools
The repository located at None is not a trusted or secure host and is being ignored. If this repository is available via HTTPS it is recommended to use HTTPS instead, otherwise you may silence this warning and allow it anyways with '--trusted-host None'.
The repository located at None is not a trusted or secure host and is being ignored. If this repository is available via HTTPS it is recommended to use HTTPS instead, otherwise you may silence this warning and allow it anyways with '--trusted-host None'.
The repository located at None is not a trusted or secure host and is being ignored. If this repository is available via HTTPS it is recommended to use HTTPS instead, otherwise you may silence this warning and allow it anyways with '--trusted-host None'.
The repository located at None is not a trusted or secure host and is being ignored. If this repository is available via HTTPS it is recommended to use HTTPS instead, otherwise you may silence this warning and allow it anyways with '--trusted-host None'.
The repository located at None is not a trusted or secure host and is being ignored. If this repository is available via HTTPS it is recommended to use HTTPS instead, otherwise you may silence this warning and allow it anyways with '--trusted-host None'.
The repository located at None is not a trusted or secure host and is being ignored. If this repository is available via HTTPS it is recommended to use HTTPS instead, otherwise you may silence this warning and allow it anyways with '--trusted-host None'.
The repository located at None is not a trusted or secure host and is being ignored. If this repository is available via HTTPS it is recommended to use HTTPS instead, otherwise you may silence this warning and allow it anyways with '--trusted-host None'.
The repository located at None is not a trusted or secure host and is being ignored. If this repository is available via HTTPS it is recommended to use HTTPS instead, otherwise you may silence this warning and allow it anyways with '--trusted-host None'.
The repository located at None is not a trusted or secure host and is being ignored. If this repository is available via HTTPS it is recommended to use HTTPS instead, otherwise you may silence this warning and allow it anyways with '--trusted-host None'.
Could not find a version that satisfies the requirement setuptools (from versions: )
No matching distribution found for setuptools
----------------------------------------
...Installing setuptools, pip, wheel...done.
Traceback (most recent call last):
File "c:\program files\python 3.5\lib\runpy.py", line 170, in _run_module_as_main
"__main__", mod_spec)
File "c:\program files\python 3.5\lib\runpy.py", line 85, in _run_code
exec(code, run_globals)
File "C:\Program Files\Python 3.5\Scripts\virtualenv.exe\__main__.py", line 9, in <module>
File "c:\program files\python 3.5\lib\site-packages\virtualenv.py", line 832, in main
symlink=options.symlink)
File "c:\program files\python 3.5\lib\site-packages\virtualenv.py", line 1004, in create_environment
install_wheel(to_install, py_executable, search_dirs)
File "c:\program files\python 3.5\lib\site-packages\virtualenv.py", line 969, in install_wheel
'PIP_NO_INDEX': '1'
File "c:\program files\python 3.5\lib\site-packages\virtualenv.py", line 910, in call_subprocess
% (cmd_desc, proc.returncode))
OSError: Command E:\vp\env1\Scripts\python.exe -c "import sys, pip; sys...d\"] + sys.argv[1:]))" setuptools pip wheel failed with error code 1


When execute with --no-setuptools, it works well and creates a virtual environment.

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