{"msgs":[{"caption":"trace output","file_name":"nested_traces.lean","pos_col":22,"pos_line":5,"severity":"information","text":"hello\n"}],"response":"all_messages"}
{"msgs":[{"caption":"trace output","file_name":"nested_traces.lean","pos_col":22,"pos_line":5,"severity":"information","text":"hello\n"},{"caption":"trace output","file_name":"nested_traces.lean","pos_col":23,"pos_line":6,"severity":"information","text":"test\n"}],"response":"all_messages"}
{"message":"file invalidated","response":"ok","seq_num":0}
