Installation RASA安装Erorr（'；C:\\Program Files（x86）\\Microsoft Visual Studio 14.0\\VC\\BIN\\x86\u amd64\\link.exe'；失败，退出状态为1158） 错误：命令出

RASA安装Erorr（'；C:\\Program Files（x86）\\Microsoft Visual Studio 14.0\\VC\\BIN\\x86\u amd64\\link.exe'；失败，退出状态为1158）

错误：命令出错，退出状态为1:
命令：“c:\python38\python.exe'-c”import sys，setuptools，tokenize；sys.argv[0]=“C:\\Users\\User\\AppData\\Local\\Temp\\pip-install-6g6sogy5\\gevent\\setup.py”“”__文件“''C:\\Users\\User\\AppData\\Local\\Temp\\pip-install-6g6sogy5\\gevent\\setup.py''”；f=getattr（标记化，“'open'”，open）（\uuuuu文件）；code=f.read（）.replace（“\r\n”“”、“\n”“”）；f、 close（）；exec（编译（代码，“'exec'”）“egg\u info--egg base”C:\Users\User\AppData\Local\Temp\pip-install-6g6sogy5\gevent\pip egg info”
cwd:C:\Users\User\AppData\Local\Temp\pip-install-6g6sogy5\gevent\
完整输出（234行）：
_configtest.c
_cffi_backend.c
c/_cffi_backend.c（370）：警告C4267：“正在初始化”：从“size\t”转换为“int”，可能会丢失数据
c/_cffi_backend.c（371）：警告C4267：“正在初始化”：从“size\t”转换为“int”，可能会丢失数据
c/_cffi_backend.c（1062）：警告C4244:“函数”：从“Py_ssize_t”转换为“int”，可能会丢失数据
c/_cffi_backend.c（1071）：警告C4244:“函数”：从“Py_ssize_t”转换为“int”，可能会丢失数据
c/_cffi_backend.c（1096）：警告C4244:“函数”：从“Py_ssize_t”转换为“int”，可能会丢失数据
c/_cffi_backend.c（1119）：警告C4244:“函数”：从“Py_ssize_t”转换为“int”，可能会丢失数据
c/_cffi_backend.c（1138）：警告C4244:“函数”：从“Py_ssize_t”转换为“int”，可能会丢失数据
c/_cffi_backend.c（1152）：警告C4244:“函数”：从“Py_ssize_t”转换为“int”，可能会丢失数据
c/_cffi_backend.c（1301）：警告C4244:“=”：从“Py”转换为“int”，可能会丢失数据
c/_cffi_backend.c（1303）：警告C4244:“=”：从“Py”转换为“int”，可能会丢失数据
c/_cffi_backend.c（1653）：警告C4244:“函数”：从“Py_ssize_t”转换为“int”，可能会丢失数据
c/_cffi_backend.c（1654）：警告C4244:“函数”：从“Py_ssize_t”转换为“int”，可能会丢失数据
c/_cffi_backend.c（1656）：警告C4244:“函数”：从“Py_ssize_t”转换为“int”，可能会丢失数据
c/_cffi_backend.c（1668）：警告C4244:“函数”：从“Py_ssize_t”转换为“int”，可能会丢失数据
c/_cffi_backend.c（1669）：警告C4244:“函数”：从“Py_ssize_t”转换为“int”，可能会丢失数据
c/_cffi_backend.c（1672）：警告C4244:“函数”：从“Py_ssize_t”转换为“int”，可能会丢失数据
c/_cffi_backend.c（1691）：警告C4244:“函数”：从“Py_ssize_t”转换为“int”，可能会丢失数据
c/_cffi_backend.c（1735）：警告C4244:“函数”：从“Py_ssize_t”转换为“int”，可能会丢失数据
c/_cffi_backend.c（1800）：警告C4244:“函数”：从“Py_ssize_t”转换为“int”，可能会丢失数据
c/_cffi_backend.c（1802）：警告C4244:“函数”：从“Py_ssize_t”转换为“int”，可能会丢失数据
c/_cffi_backend.c（1813）：警告C4244:“=”：从“Py”转换为“int”，可能会丢失数据
c/_cffi_backend.c（1816）：警告C4244:“=”：从“Py”转换为“int”，可能会丢失数据
c/_cffi_backend.c（2206）：警告C4244:“函数”：从“Py_ssize_t”转换为“int”，可能会丢失数据
c/_cffi_backend.c（2211）：警告C4244:“函数”：从“Py_ssize_t”转换为“int”，可能会丢失数据
c/_cffi_backend.c（2215）：警告C4244:“函数”：从“Py_ssize_t”转换为“int”，可能会丢失数据
c/_cffi_backend.c（2230）：警告C4244:“函数”：从“Py_ssize_t”转换为“int”，可能会丢失数据
c/_cffi_backend.c（2289）：警告C4244:“函数”：从“Py_ssize_t”转换为“int”，可能会丢失数据
c/_cffi_backend.c（3195）：警告C4244:“函数”：从“Py_ssize_t”转换为“int”，可能会丢失数据
c/_cffi_backend.c（3910）：警告C4244:“函数”：从“Py_ssize_t”转换为“int”，可能会丢失数据
c/_cffi_backend.c（4010）：警告C4244:“函数”：从“Py_ssize_t”转换为“int”，可能会丢失数据
c/_cffi_backend.c（4126）：警告C4244:“函数”：从“Py_ssize_t”转换为“int”，可能会丢失数据
c/_cffi_backend.c（4167）：警告C4244:“函数”：从“Py_ssize_t”转换为“int”，可能会丢失数据
c/_cffi_backend.c（4685）：警告C4267:“=”：从“size”转换为“int”，可能会丢失数据
c/_cffi_backend.c（4703）：警告C4267:“=”：从“size”转换为“int”，可能会丢失数据
c/_cffi_backend.c（4844）：警告C4267:“=”：从“size”转换为“int”，可能会丢失数据
c/_cffi_backend.c（4835）：警告C4267：“正在初始化”：从“size\t”转换为“int”，可能会丢失数据
c/_cffi_backend.c（4856）：警告C4267：“正在初始化”：从“size\t”转换为“int”，可能会丢失数据
c/_cffi_backend.c（5250）：警告C4244:“=”：从“Py”转换为“int”，可能会丢失数据
c/_cffi_backend.c（5297）：警告C4244:“=”：从“Py”转换为“int”，可能会丢失数据
c/_cffi_backend.c（5304）：警告C4244:“=”：从“Py”转换为“int”，可能会丢失数据
c/_cffi_backend.c（5523）：警告C4244:“=”：从“Py_ssize_t”转换为“unsigned short”，可能会丢失数据
c/_cffi_backend.c（5652）：警告C4267：“函数”：从“size\t”转换为“int”，可能会丢失数据
c/_cffi_backend.c（5656）：警告C4244:“=”：从“Py”转换为“int”，可能会丢失数据
c/_cffi_backend.c（5672）：警告C4267:“函数”：从“size\t”转换为“int”，可能会丢失数据
c/_cffi_backend.c（5685）：警告C4267：“函数”：conv
 ERROR: Command errored out with exit status 1:
     command: 'c:\python38\python.exe' -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\\Users\\User\\AppData\\Local\\Temp\\pip-install-6g6sogy5\\gevent\\setup.py'"'"'; __file__='"'"'C:\\Users\\User\\AppData\\Local\\Temp\\pip-install-6g6sogy5\\gevent\\setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base 'C:\Users\User\AppData\Local\Temp\pip-install-6g6sogy5\gevent\pip-egg-info'
         cwd: C:\Users\User\AppData\Local\Temp\pip-install-6g6sogy5\gevent\
    Complete output (234 lines):
    _configtest.c
    _cffi_backend.c
    c/_cffi_backend.c(370): warning C4267: 'initializing': conversion from 'size_t' to 'int', possible loss of data
    c/_cffi_backend.c(371): warning C4267: 'initializing': conversion from 'size_t' to 'int', possible loss of data
    c/_cffi_backend.c(1062): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int', possible loss of data
    c/_cffi_backend.c(1071): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int', possible loss of data
    c/_cffi_backend.c(1096): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int', possible loss of data
    c/_cffi_backend.c(1119): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int', possible loss of data
    c/_cffi_backend.c(1138): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int', possible loss of data
    c/_cffi_backend.c(1152): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int', possible loss of data
    c/_cffi_backend.c(1301): warning C4244: '=': conversion from 'Py_ssize_t' to 'int', possible loss of data
    c/_cffi_backend.c(1303): warning C4244: '=': conversion from 'Py_ssize_t' to 'int', possible loss of data
    c/_cffi_backend.c(1653): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int', possible loss of data
    c/_cffi_backend.c(1654): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int', possible loss of data
    c/_cffi_backend.c(1656): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int', possible loss of data
    c/_cffi_backend.c(1668): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int', possible loss of data
    c/_cffi_backend.c(1669): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int', possible loss of data
    c/_cffi_backend.c(1672): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int', possible loss of data
    c/_cffi_backend.c(1691): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int', possible loss of data
    c/_cffi_backend.c(1735): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int', possible loss of data
    c/_cffi_backend.c(1800): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int', possible loss of data
    c/_cffi_backend.c(1802): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int', possible loss of data
    c/_cffi_backend.c(1813): warning C4244: '=': conversion from 'Py_ssize_t' to 'int', possible loss of data
    c/_cffi_backend.c(1816): warning C4244: '=': conversion from 'Py_ssize_t' to 'int', possible loss of data
    c/_cffi_backend.c(2206): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int', possible loss of data
    c/_cffi_backend.c(2211): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int', possible loss of data
    c/_cffi_backend.c(2215): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int', possible loss of data
    c/_cffi_backend.c(2230): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int', possible loss of data
    c/_cffi_backend.c(2289): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int', possible loss of data
    c/_cffi_backend.c(3195): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int', possible loss of data
    c/_cffi_backend.c(3910): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int', possible loss of data
    c/_cffi_backend.c(4010): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int', possible loss of data
    c/_cffi_backend.c(4126): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int', possible loss of data
    c/_cffi_backend.c(4167): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int', possible loss of data
    c/_cffi_backend.c(4685): warning C4267: '=': conversion from 'size_t' to 'int', possible loss of data
    c/_cffi_backend.c(4703): warning C4267: '=': conversion from 'size_t' to 'int', possible loss of data
    c/_cffi_backend.c(4844): warning C4267: '=': conversion from 'size_t' to 'int', possible loss of data
    c/_cffi_backend.c(4835): warning C4267: 'initializing': conversion from 'size_t' to 'int', possible loss of data
    c/_cffi_backend.c(4856): warning C4267: 'initializing': conversion from 'size_t' to 'int', possible loss of data
    c/_cffi_backend.c(5250): warning C4244: '=': conversion from 'Py_ssize_t' to 'int', possible loss of data
    c/_cffi_backend.c(5297): warning C4244: '=': conversion from 'Py_ssize_t' to 'int', possible loss of data
    c/_cffi_backend.c(5304): warning C4244: '=': conversion from 'Py_ssize_t' to 'int', possible loss of data
    c/_cffi_backend.c(5523): warning C4244: '=': conversion from 'Py_ssize_t' to 'unsigned short', possible loss of data
    c/_cffi_backend.c(5652): warning C4267: 'function': conversion from 'size_t' to 'int', possible loss of data
    c/_cffi_backend.c(5656): warning C4244: '=': conversion from 'Py_ssize_t' to 'int', possible loss of data
    c/_cffi_backend.c(5672): warning C4267: 'function': conversion from 'size_t' to 'int', possible loss of data
    c/_cffi_backend.c(5685): warning C4267: 'function': conversion from 'size_t' to 'int', possible loss of data
    c/_cffi_backend.c(5714): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int', possible loss of data
    c/_cffi_backend.c(5764): warning C4244: 'function': conversion from 'Py_ssize_t' to 'unsigned int', possible loss of data
    c/_cffi_backend.c(5849): warning C4244: 'function': conversion from 'Py_ssize_t' to 'long', possible loss of data
    c/_cffi_backend.c(6311): warning C4267: '=': conversion from 'size_t' to 'int', possible loss of data
    c:\users\user\appdata\local\temp\easy_install-2cj4at_x\cffi-1.13.2\c\parse_c_type.c(218): warning C4267: 'return': conversion from 'size_t' to 'int', possible loss of data
    c:\users\user\appdata\local\temp\easy_install-2cj4at_x\cffi-1.13.2\c\parse_c_type.c(287): warning C4267: '=': conversion from 'size_t' to 'int', possible loss of data
    c:\users\user\appdata\local\temp\easy_install-2cj4at_x\cffi-1.13.2\c\parse_c_type.c(341): warning C4244: '=': conversion from 'intptr_t' to 'int', possible loss of data
    c:\users\user\appdata\local\temp\easy_install-2cj4at_x\cffi-1.13.2\c\parse_c_type.c(445): warning C4244: 'return': conversion from 'intptr_t' to 'int', possible loss of data
    c:\users\user\appdata\local\temp\easy_install-2cj4at_x\cffi-1.13.2\c\realize_c_type.c(425): warning C4244: 'function': conversion from 'intptr_t' to 'int', possible loss of data
    c:\users\user\appdata\local\temp\easy_install-2cj4at_x\cffi-1.13.2\c\realize_c_type.c(430): warning C4244: 'function': conversion from 'intptr_t' to 'int', possible loss of data
    c:\users\user\appdata\local\temp\easy_install-2cj4at_x\cffi-1.13.2\c\realize_c_type.c(448): warning C4244: 'function': conversion from 'intptr_t' to 'int', possible loss of data
    c:\users\user\appdata\local\temp\easy_install-2cj4at_x\cffi-1.13.2\c\realize_c_type.c(460): warning C4244: 'function': conversion from 'intptr_t' to 'int', possible loss of data
    c:\users\user\appdata\local\temp\easy_install-2cj4at_x\cffi-1.13.2\c\realize_c_type.c(559): warning C4244: 'function': conversion from 'intptr_t' to 'int', possible loss of data
    c:\users\user\appdata\local\temp\easy_install-2cj4at_x\cffi-1.13.2\c\realize_c_type.c(621): warning C4244: 'function': conversion from 'intptr_t' to 'int', possible loss of data
    c:\users\user\appdata\local\temp\easy_install-2cj4at_x\cffi-1.13.2\c\realize_c_type.c(700): warning C4244: 'function': conversion from 'intptr_t' to 'int', possible loss of data
    c:\users\user\appdata\local\temp\easy_install-2cj4at_x\cffi-1.13.2\c\realize_c_type.c(753): warning C4244: 'function': conversion from 'intptr_t' to 'int', possible loss of data
    c:\users\user\appdata\local\temp\easy_install-2cj4at_x\cffi-1.13.2\c\lib_obj.c(128): warning C4244: 'initializing': conversion from 'intptr_t' to 'int', possible loss of data
    c:\users\user\appdata\local\temp\easy_install-2cj4at_x\cffi-1.13.2\c\lib_obj.c(304): warning C4244: 'function': conversion from 'intptr_t' to 'int', possible loss of data
    c:\users\user\appdata\local\temp\easy_install-2cj4at_x\cffi-1.13.2\c\lib_obj.c(356): warning C4244: 'function': conversion from 'intptr_t' to 'int', possible loss of data
    c:\users\user\appdata\local\temp\easy_install-2cj4at_x\cffi-1.13.2\c\lib_obj.c(382): warning C4244: 'function': conversion from 'intptr_t' to 'int', possible loss of data
    c:\users\user\appdata\local\temp\easy_install-2cj4at_x\cffi-1.13.2\c\lib_obj.c(403): warning C4244: 'function': conversion from 'intptr_t' to 'int', possible loss of data
    c:\users\user\appdata\local\temp\easy_install-2cj4at_x\cffi-1.13.2\c\lib_obj.c(417): warning C4244: 'function': conversion from 'intptr_t' to 'int', possible loss of data
    c:\users\user\appdata\local\temp\easy_install-2cj4at_x\cffi-1.13.2\c\cdlopen.c(169): warning C4244: '=': conversion from 'Py_ssize_t' to 'int', possible loss of data
    c:\users\user\appdata\local\temp\easy_install-2cj4at_x\cffi-1.13.2\c\cdlopen.c(214): warning C4244: '=': conversion from 'Py_ssize_t' to 'int', possible loss of data
    c:\users\user\appdata\local\temp\easy_install-2cj4at_x\cffi-1.13.2\c\cdlopen.c(246): warning C4244: '=': conversion from 'Py_ssize_t' to 'int', possible loss of data
    c:\users\user\appdata\local\temp\easy_install-2cj4at_x\cffi-1.13.2\c\cdlopen.c(247): warning C4244: '=': conversion from 'Py_ssize_t' to 'int', possible loss of data
    c:\users\user\appdata\local\temp\easy_install-2cj4at_x\cffi-1.13.2\c\cdlopen.c(259): warning C4244: '=': conversion from 'Py_ssize_t' to 'int', possible loss of data
    c:\users\user\appdata\local\temp\easy_install-2cj4at_x\cffi-1.13.2\c\cdlopen.c(260): warning C4244: '=': conversion from 'Py_ssize_t' to 'int', possible loss of data
    c:\users\user\appdata\local\temp\easy_install-2cj4at_x\cffi-1.13.2\c\cdlopen.c(280): warning C4244: '=': conversion from 'Py_ssize_t' to 'int', possible loss of data
    c:\users\user\appdata\local\temp\easy_install-2cj4at_x\cffi-1.13.2\c\cdlopen.c(300): warning C4244: '=': conversion from 'Py_ssize_t' to 'int', possible loss of data
    c:\users\user\appdata\local\temp\easy_install-2cj4at_x\cffi-1.13.2\c\cdlopen.c(301): warning C4244: '=': conversion from 'Py_ssize_t' to 'int', possible loss of data
    c:\users\user\appdata\local\temp\easy_install-2cj4at_x\cffi-1.13.2\c\cdlopen.c(306): warning C4244: '=': conversion from 'Py_ssize_t' to 'int', possible loss of data
    c:\users\user\appdata\local\temp\easy_install-2cj4at_x\cffi-1.13.2\c\cdlopen.c(326): warning C4244: '=': conversion from 'Py_ssize_t' to 'int', possible loss of data
    c:\users\user\appdata\local\temp\easy_install-2cj4at_x\cffi-1.13.2\c\cdlopen.c(330): warning C4244: '=': conversion from 'Py_ssize_t' to 'int', possible loss of data
    c:\users\user\appdata\local\temp\easy_install-2cj4at_x\cffi-1.13.2\c\call_python.c(110): warning C4244: 'function': conversion from 'intptr_t' to 'int', possible loss of data
    ffi.c
    prep_cif.c
    c/libffi_msvc\prep_cif.c(166): warning C4267: '+=': conversion from 'size_t' to 'unsigned int', possible loss of data
    types.c
    _cffi_backend.obj : warning LNK4197: export 'PyInit__cffi_backend' specified multiple times; using first specification
       Creating library build\temp.win-amd64-3.8\Release\c\_cffi_backend.cp38-win_amd64.lib and object build\temp.win-amd64-3.8\Release\c\_cffi_backend.cp38-win_amd64.exp
    Generating code
    Finished generating code
    LINK : fatal error LNK1158: cannot run 'rc.exe'
    Traceback (most recent call last):
      File "c:\python38\lib\distutils\_msvccompiler.py", line 534, in link
        self.spawn([self.linker] + ld_args)
      File "c:\python38\lib\distutils\_msvccompiler.py", line 557, in spawn
        return super().spawn(cmd)
      File "c:\python38\lib\distutils\ccompiler.py", line 910, in spawn
        spawn(cmd, dry_run=self.dry_run)
      File "c:\python38\lib\distutils\spawn.py", line 38, in spawn
        _spawn_nt(cmd, search_path, dry_run=dry_run)
      File "c:\python38\lib\distutils\spawn.py", line 80, in _spawn_nt
        raise DistutilsExecError(
    distutils.errors.DistutilsExecError: command 'C:\\Program Files (x86)\\Microsoft Visual Studio 14.0\\VC\\BIN\\x86_amd64\\link.exe' failed with exit status 1158

    During handling of the above exception, another exception occurred:

    Traceback (most recent call last):
      File "c:\python38\lib\distutils\core.py", line 148, in setup
        dist.run_commands()
      File "c:\python38\lib\distutils\dist.py", line 966, in run_commands
        self.run_command(cmd)
      File "c:\python38\lib\distutils\dist.py", line 985, in run_command
        cmd_obj.run()
      File "c:\python38\lib\site-packages\setuptools\command\bdist_egg.py", line 172, in run
        cmd = self.call_command('install_lib', warn_dir=0)
      File "c:\python38\lib\site-packages\setuptools\command\bdist_egg.py", line 158, in call_command
        self.run_command(cmdname)
      File "c:\python38\lib\distutils\cmd.py", line 313, in run_command
        self.distribution.run_command(command)
      File "c:\python38\lib\distutils\dist.py", line 985, in run_command
        cmd_obj.run()
      File "c:\python38\lib\site-packages\setuptools\command\install_lib.py", line 11, in run
        self.build()
      File "c:\python38\lib\distutils\command\install_lib.py", line 107, in build
        self.run_command('build_ext')
      File "c:\python38\lib\distutils\cmd.py", line 313, in run_command
        self.distribution.run_command(command)
      File "c:\python38\lib\distutils\dist.py", line 985, in run_command
        cmd_obj.run()
      File "c:\python38\lib\site-packages\setuptools\command\build_ext.py", line 84, in run
        _build_ext.run(self)
      File "c:\python38\lib\distutils\command\build_ext.py", line 340, in run
        self.build_extensions()
      File "c:\python38\lib\distutils\command\build_ext.py", line 449, in build_extensions
        self._build_extensions_serial()
      File "c:\python38\lib\distutils\command\build_ext.py", line 474, in _build_extensions_serial
        self.build_extension(ext)
      File "c:\python38\lib\site-packages\setuptools\command\build_ext.py", line 205, in build_extension
        _build_ext.build_extension(self, ext)
      File "c:\python38\lib\distutils\command\build_ext.py", line 550, in build_extension
        self.compiler.link_shared_object(
      File "c:\python38\lib\distutils\ccompiler.py", line 713, in link_shared_object
        self.link(CCompiler.SHARED_OBJECT, objects,
      File "c:\python38\lib\distutils\_msvccompiler.py", line 537, in link
        raise LinkError(msg)
    distutils.errors.LinkError: command 'C:\\Program Files (x86)\\Microsoft Visual Studio 14.0\\VC\\BIN\\x86_amd64\\link.exe' failed with exit status 1158

    During handling of the above exception, another exception occurred:

    Traceback (most recent call last):
      File "c:\python38\lib\site-packages\setuptools\sandbox.py", line 154, in save_modules
        yield saved
      File "c:\python38\lib\site-packages\setuptools\sandbox.py", line 195, in setup_context
        yield
      File "c:\python38\lib\site-packages\setuptools\sandbox.py", line 250, in run_setup
        _execfile(setup_script, ns)
      File "c:\python38\lib\site-packages\setuptools\sandbox.py", line 45, in _execfile
        exec(code, globals, locals)
      File "C:\Users\User\AppData\Local\Temp\easy_install-2cj4at_x\cffi-1.13.2\setup.py", line 186, in <module>
        # libev_vfd.h, can't be included, linked, and used: it uses
      File "c:\python38\lib\site-packages\setuptools\__init__.py", line 145, in setup
        return distutils.core.setup(**attrs)
      File "c:\python38\lib\distutils\core.py", line 163, in setup
        raise SystemExit("error: " + str(msg))
    SystemExit: error: command 'C:\\Program Files (x86)\\Microsoft Visual Studio 14.0\\VC\\BIN\\x86_amd64\\link.exe' failed with exit status 1158

    During handling of the above exception, another exception occurred:

    Traceback (most recent call last):
      File "c:\python38\lib\site-packages\setuptools\command\easy_install.py", line 1144, in run_setup
        run_setup(setup_script, args)
      File "c:\python38\lib\site-packages\setuptools\sandbox.py", line 253, in run_setup
        raise
      File "c:\python38\lib\contextlib.py", line 131, in __exit__
        self.gen.throw(type, value, traceback)
      File "c:\python38\lib\site-packages\setuptools\sandbox.py", line 195, in setup_context
        yield
      File "c:\python38\lib\contextlib.py", line 131, in __exit__
        self.gen.throw(type, value, traceback)
      File "c:\python38\lib\site-packages\setuptools\sandbox.py", line 166, in save_modules
        saved_exc.resume()
      File "c:\python38\lib\site-packages\setuptools\sandbox.py", line 141, in resume
        six.reraise(type, exc, self._tb)
      File "c:\python38\lib\site-packages\setuptools\_vendor\six.py", line 685, in reraise
        raise value.with_traceback(tb)
      File "c:\python38\lib\site-packages\setuptools\sandbox.py", line 154, in save_modules
        yield saved
      File "c:\python38\lib\site-packages\setuptools\sandbox.py", line 195, in setup_context
        yield
      File "c:\python38\lib\site-packages\setuptools\sandbox.py", line 250, in run_setup
        _execfile(setup_script, ns)
      File "c:\python38\lib\site-packages\setuptools\sandbox.py", line 45, in _execfile
        exec(code, globals, locals)
      File "C:\Users\User\AppData\Local\Temp\easy_install-2cj4at_x\cffi-1.13.2\setup.py", line 186, in <module>
        # libev_vfd.h, can't be included, linked, and used: it uses
      File "c:\python38\lib\site-packages\setuptools\__init__.py", line 145, in setup
        return distutils.core.setup(**attrs)
      File "c:\python38\lib\distutils\core.py", line 163, in setup
        raise SystemExit("error: " + str(msg))
    SystemExit: error: command 'C:\\Program Files (x86)\\Microsoft Visual Studio 14.0\\VC\\BIN\\x86_amd64\\link.exe' failed with exit status 1158

    During handling of the above exception, another exception occurred:

    Traceback (most recent call last):
      File "<string>", line 1, in <module>
      File "C:\Users\User\AppData\Local\Temp\pip-install-6g6sogy5\gevent\setup.py", line 427, in <module>
        run_setup(EXT_MODULES, run_make=_BUILDING)
      File "C:\Users\User\AppData\Local\Temp\pip-install-6g6sogy5\gevent\setup.py", line 328, in run_setup
        setup(
      File "c:\python38\lib\site-packages\setuptools\__init__.py", line 144, in setup
        _install_setup_requires(attrs)
      File "c:\python38\lib\site-packages\setuptools\__init__.py", line 139, in _install_setup_requires
        dist.fetch_build_eggs(dist.setup_requires)
      File "c:\python38\lib\site-packages\setuptools\dist.py", line 716, in fetch_build_eggs
        resolved_dists = pkg_resources.working_set.resolve(
      File "c:\python38\lib\site-packages\pkg_resources\__init__.py", line 780, in resolve
        dist = best[req.key] = env.best_match(
      File "c:\python38\lib\site-packages\pkg_resources\__init__.py", line 1065, in best_match
        return self.obtain(req, installer)
      File "c:\python38\lib\site-packages\pkg_resources\__init__.py", line 1077, in obtain
        return installer(requirement)
      File "c:\python38\lib\site-packages\setuptools\dist.py", line 786, in fetch_build_egg
        return cmd.easy_install(req)
      File "c:\python38\lib\site-packages\setuptools\command\easy_install.py", line 679, in easy_install
        return self.install_item(spec, dist.location, tmpdir, deps)
      File "c:\python38\lib\site-packages\setuptools\command\easy_install.py", line 705, in install_item
        dists = self.install_eggs(spec, download, tmpdir)
      File "c:\python38\lib\site-packages\setuptools\command\easy_install.py", line 890, in install_eggs
        return self.build_and_install(setup_script, setup_base)
      File "c:\python38\lib\site-packages\setuptools\command\easy_install.py", line 1158, in build_and_install
        self.run_setup(setup_script, setup_base, args)
      File "c:\python38\lib\site-packages\setuptools\command\easy_install.py", line 1146, in run_setup
        raise DistutilsError("Setup script exited with %s" % (v.args[0],))
    distutils.errors.DistutilsError: Setup script exited with error: command 'C:\\Program Files (x86)\\Microsoft Visual Studio 14.0\\VC\\BIN\\x86_amd64\\link.exe' failed with exit status 1158
    ----------------------------------------
ERROR: Command errored out with exit status 1: python setup.py egg_info Check the logs for full command output