SOURCE_FILE@0..166
  FN@0..165
    COMMENT@0..60 "// https://github.com ..."
    WHITESPACE@60..61 "\n"
    FN_KW@61..63 "fn"
    WHITESPACE@63..64 " "
    NAME@64..68
      IDENT@64..68 "main"
    PARAM_LIST@68..70
      L_PAREN@68..69 "("
      R_PAREN@69..70 ")"
    WHITESPACE@70..71 " "
    BLOCK_EXPR@71..165
      L_CURLY@71..72 "{"
      WHITESPACE@72..77 "\n    "
      LET_STMT@77..163
        ATTR@77..106
          POUND@77..78 "#"
          L_BRACK@78..79 "["
          PATH@79..82
            PATH_SEGMENT@79..82
              NAME_REF@79..82
                IDENT@79..82 "cfg"
          TOKEN_TREE@82..105
            L_PAREN@82..83 "("
            IDENT@83..90 "feature"
            WHITESPACE@90..91 " "
            EQ@91..92 "="
            WHITESPACE@92..93 " "
            STRING@93..104 "\"backtrace\""
            R_PAREN@104..105 ")"
          R_BRACK@105..106 "]"
        WHITESPACE@106..111 "\n    "
        LET_KW@111..114 "let"
        WHITESPACE@114..115 " "
        IDENT_PAT@115..124
          NAME@115..124
            IDENT@115..124 "exit_code"
        WHITESPACE@124..125 " "
        EQ@125..126 "="
        WHITESPACE@126..127 " "
        CALL_EXPR@127..162
          PATH_EXPR@127..146
            PATH@127..146
              PATH@127..132
                PATH_SEGMENT@127..132
                  NAME_REF@127..132
                    IDENT@127..132 "panic"
              COLON2@132..134 "::"
              PATH_SEGMENT@134..146
                NAME_REF@134..146
                  IDENT@134..146 "catch_unwind"
          ARG_LIST@146..162
            L_PAREN@146..147 "("
            CLOSURE_EXPR@147..161
              MOVE_KW@147..151 "move"
              WHITESPACE@151..152 " "
              PARAM_LIST@152..154
                PIPE@152..153 "|"
                PIPE@153..154 "|"
              WHITESPACE@154..155 " "
              CALL_EXPR@155..161
                PATH_EXPR@155..159
                  PATH@155..159
                    PATH_SEGMENT@155..159
                      NAME_REF@155..159
                        IDENT@155..159 "main"
                ARG_LIST@159..161
                  L_PAREN@159..160 "("
                  R_PAREN@160..161 ")"
            R_PAREN@161..162 ")"
        SEMICOLON@162..163 ";"
      WHITESPACE@163..164 "\n"
      R_CURLY@164..165 "}"
  WHITESPACE@165..166 "\n"