code: def get_rustc_version():
      command = ["rustc", "--version"]
      result = subprocess.run(command, capture_output=True, text=True)
      if result.returncode != 0:
          raise ValueError("Error executing rustc --version")
  
      version_line = result.stdout.strip()
      return version_line.split()[1].strip()
  
file_path: vegafusion/automation/download_rust_target.py
imports: import subprocess
  import sys
  import platform
  import requests
  import tempfile
  import os
  import tarfile
  import shutil
label_desc: Use image node_id 1 for calling a global function with example usage: get_rustc_version() and returns: version_line