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
      STMT_LIST@71..165
        L_CURLY@71..72 "{"
        WHITESPACE@72..77 "\n    "
        LET_STMT@77..163
          ATTR@77..106
            POUND@77..78 "#"
            L_BRACK@78..79 "["
            META@79..105
              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"