code: def run(self):
      try:
          build_ext.run(self)
      except (DistutilsPlatformError, FileNotFoundError):
          raise BuildFailed(
              "File not found. Could not compile C extension."
          )
  
file_path: river/build.py
imports: import platform
  from distutils.command.build_ext import build_ext
  from distutils.errors import CCompilerError, DistutilsExecError, DistutilsPlatformError
  import setuptools
  from setuptools_rust import Binding, RustExtension
label_desc: Use image node_id 1 for calling the ExtBuilder obj's underlying member method code with example usage: obj.run() without return types