我想用VS Code调试Rust。我已经安装了LLDB 6.0.0和Rust 1.27.1，但是无法使用LLDB调试Rust代码：
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 <lambda>
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)