title: Cannot debug Rust code using LLDB in VS Code: UnicodeEncodeError: 'ascii' codec can't encode characters
body: <p>I want to debug Rust with VS Code. I have installed LLDB 6.0.0 and Rust 1.27.1 but I can't debug Rust code with LLDB:</p>
  
  <pre class="lang-none prettyprint-override"><code>Display settings: variable format=auto, show disassembly=auto, numeric pointer values=off, container summaries=on.
  Internal debugger error:
  Traceback (most recent call last):
    File "/home/kwebi/.vscode/extensions/vadimcn.vscode-lldb-0.8.9/adapter/debugsession.py", line 1365, in handle_message
      result = handler(args)
    File "/home/kwebi/.vscode/extensions/vadimcn.vscode-lldb-0.8.9/adapter/debugsession.py", line 385, in DEBUG_setBreakpoints
      file_id = os.path.normcase(from_lldb_str(source.get('path')))
    File "/home/kwebi/.vscode/extensions/vadimcn.vscode-lldb-0.8.9/adapter/__init__.py", line 8, in &lt;lambda&gt;
      from_lldb_str = lambda s: s.decode('utf8', 'replace')
    File "/usr/lib/python2.7/encodings/utf_8.py", line 16, in decode
      return codecs.utf_8_decode(input, errors, True)
  UnicodeEncodeError: 'ascii' codec can't encode characters in position 12-13: ordinal not in range(128)
  </code></pre>