creating None
  creating None/tmp
  creating None/tmp/tmpst3e1ngk
  aarch64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTI
FY_SOURCE=2 -fPIC -I/usr/include/python3.8 -c /tmp/tmpst3e1ngk/a.c -o None/tmp/tmpst3e1ngk/a.o
  Traceback (most recent call last):
    File "/usr/lib/python3.8/distutils/unixccompiler.py", line 117, in _compile
      self.spawn(compiler_so + cc_args + [src, '-o', obj] +
    File "/tmp/pip-install-et32192y/grpcio/src/python/grpcio/_spawn_patch.py", line 54, in _commandfile_spawn
      _classic_spawn(self, command)
    File "/usr/lib/python3.8/distutils/ccompiler.py", line 910, in spawn
      spawn(cmd, dry_run=self.dry_run)
    File "/usr/lib/python3.8/distutils/spawn.py", line 36, in spawn
      _spawn_posix(cmd, search_path, dry_run=dry_run)
    File "/usr/lib/python3.8/distutils/spawn.py", line 157, in _spawn_posix
      raise DistutilsExecError(
  distutils.errors.DistutilsExecError: command 'aarch64-linux-gnu-gcc' failed with exit status 1

  During handling of the above exception, another exception occurred:

  Traceback (most recent call last):
    File "/tmp/pip-install-et32192y/grpcio/src/python/grpcio/commands.py", line 285, in build_extensions
      build_ext.build_ext.build_extensions(self)
    File "/usr/lib/python3.8/distutils/command/build_ext.py", line 449, in build_extensions
      self._build_extensions_serial()
    File "/usr/lib/python3.8/distutils/command/build_ext.py", line 474, in _build_extensions_serial
      self.build_extension(ext)
    File "/usr/lib/python3/dist-packages/setuptools/command/build_ext.py", line 208, in build_extension
      _build_ext.build_extension(self, ext)
    File "/usr/lib/python3.8/distutils/command/build_ext.py", line 528, in build_extension
      objects = self.compiler.compile(sources,
    File "/tmp/pip-install-et32192y/grpcio/src/python/grpcio/_parallel_compile_patch.py", line 58, in _parallel_compile
      multiprocessing.pool.ThreadPool(BUILD_EXT_COMPILER_JOBS).map(
    File "/usr/lib/python3.8/multiprocessing/pool.py", line 364, in map
      return self._map_async(func, iterable, mapstar, chunksize).get()
    File "/usr/lib/python3.8/multiprocessing/pool.py", line 771, in get
      raise self._value
    File "/usr/lib/python3.8/multiprocessing/pool.py", line 125, in worker
      result = (True, func(*args, **kwds))
    File "/usr/lib/python3.8/multiprocessing/pool.py", line 48, in mapstar
      return list(map(*args))
    File "/tmp/pip-install-et32192y/grpcio/src/python/grpcio/_parallel_compile_patch.py", line 54, in _compile_single_file
      self._compile(obj, src, ext, cc_args, extra_postargs, pp_opts)
    File "/usr/lib/python3.8/distutils/unixccompiler.py", line 120, in _compile
      raise CompileError(msg)
  distutils.errors.CompileError: command 'aarch64-linux-gnu-gcc' failed with exit status 1

  During handling of the above exception, another exception occurred:

  Traceback (most recent call last):
    File "<string>", line 1, in <module>
    File "/tmp/pip-install-et32192y/grpcio/setup.py", line 525, in <module>
      setuptools.setup(
    File "/usr/lib/python3/dist-packages/setuptools/__init__.py", line 144, in setup
      return distutils.core.setup(**attrs)
    File "/usr/lib/python3.8/distutils/core.py", line 148, in setup
      dist.run_commands()
    File "/usr/lib/python3.8/distutils/dist.py", line 966, in run_commands
      self.run_command(cmd)
    File "/usr/lib/python3.8/distutils/dist.py", line 985, in run_command
      cmd_obj.run()
    File "/usr/lib/python3/dist-packages/wheel/bdist_wheel.py", line 223, in run
      self.run_command('build')
    File "/usr/lib/python3.8/distutils/cmd.py", line 313, in run_command
      self.distribution.run_command(command)
    File "/usr/lib/python3.8/distutils/dist.py", line 985, in run_command
      cmd_obj.run()
    File "/usr/lib/python3.8/distutils/command/build.py", line 135, in run
      self.run_command(cmd_name)
    File "/usr/lib/python3.8/distutils/cmd.py", line 313, in run_command
      self.distribution.run_command(command)
    File "/usr/lib/python3.8/distutils/dist.py", line 985, in run_command
      cmd_obj.run()
    File "/usr/lib/python3/dist-packages/setuptools/command/build_ext.py", line 87, in run
      _build_ext.run(self)
    File "/usr/lib/python3.8/distutils/command/build_ext.py", line 340, in run
      self.build_extensions()
    File "/tmp/pip-install-et32192y/grpcio/src/python/grpcio/commands.py", line 289, in build_extensions
      raise CommandError(
  commands.CommandError: Failed `build_ext` step:
  Traceback (most recent call last):
    File "/usr/lib/python3.8/distutils/unixccompiler.py", line 117, in _compile
      self.spawn(compiler_so + cc_args + [src, '-o', obj] +
    File "/tmp/pip-install-et32192y/grpcio/src/python/grpcio/_spawn_patch.py", line 54, in _commandfile_spawn
      _classic_spawn(self, command)
    File "/usr/lib/python3.8/distutils/ccompiler.py", line 910, in spawn
      spawn(cmd, dry_run=self.dry_run)
    File "/usr/lib/python3.8/distutils/spawn.py", line 36, in spawn
      _spawn_posix(cmd, search_path, dry_run=dry_run)
    File "/usr/lib/python3.8/distutils/spawn.py", line 157, in _spawn_posix
      raise DistutilsExecError(
  distutils.errors.DistutilsExecError: command 'aarch64-linux-gnu-gcc' failed with exit status 1

  During handling of the above exception, another exception occurred:

  Traceback (most recent call last):
    File "/tmp/pip-install-et32192y/grpcio/src/python/grpcio/commands.py", line 285, in build_extensions
      build_ext.build_ext.build_extensions(self)
    File "/usr/lib/python3.8/distutils/command/build_ext.py", line 449, in build_extensions
      self._build_extensions_serial()
    File "/usr/lib/python3.8/distutils/command/build_ext.py", line 474, in _build_extensions_serial
      self.build_extension(ext)
    File "/usr/lib/python3/dist-packages/setuptools/command/build_ext.py", line 208, in build_extension
      _build_ext.build_extension(self, ext)
    File "/usr/lib/python3.8/distutils/command/build_ext.py", line 528, in build_extension
      objects = self.compiler.compile(sources,
    File "/tmp/pip-install-et32192y/grpcio/src/python/grpcio/_parallel_compile_patch.py", line 58, in _parallel_compile
      multiprocessing.pool.ThreadPool(BUILD_EXT_COMPILER_JOBS).map(
    File "/usr/lib/python3.8/multiprocessing/pool.py", line 364, in map
      return self._map_async(func, iterable, mapstar, chunksize).get()
    File "/usr/lib/python3.8/multiprocessing/pool.py", line 771, in get
      raise self._value
    File "/usr/lib/python3.8/multiprocessing/pool.py", line 125, in worker
      result = (True, func(*args, **kwds))
    File "/usr/lib/python3.8/multiprocessing/pool.py", line 48, in mapstar
      return list(map(*args))
    File "/tmp/pip-install-et32192y/grpcio/src/python/grpcio/_parallel_compile_patch.py", line 54, in _compile_single_file
      self._compile(obj, src, ext, cc_args, extra_postargs, pp_opts)
    File "/usr/lib/python3.8/distutils/unixccompiler.py", line 120, in _compile
      raise CompileError(msg)
  distutils.errors.CompileError: command 'aarch64-linux-gnu-gcc' failed with exit status 1

  ----------------------------------------
  ERROR: Failed building wheel for grpcio