SOURCE_FILE
  USE
    USE_KW "use"
    WHITESPACE " "
    USE_TREE
      PATH
        PATH
          PATH_SEGMENT
            NAME_REF
              IDENT "foo"
        COLON2 "::"
        PATH_SEGMENT
          NAME_REF
            IDENT "bar"
    SEMICOLON ";"
  WHITESPACE "\n"
  USE
    USE_KW "use"
  WHITESPACE "\n"
  USE
    USE_KW "use"
    WHITESPACE " "
    USE_TREE
      PATH
        PATH
          PATH_SEGMENT
            NAME_REF
              CRATE_KW "crate"
        COLON2 "::"
        PATH_SEGMENT
          NAME_REF
            IDENT "baz"
    SEMICOLON ";"
  WHITESPACE "\n"
  USE
    USE_KW "use"
  WHITESPACE "\n"
  FN
    FN_KW "fn"
    WHITESPACE " "
    NAME
      IDENT "f"
    PARAM_LIST
      L_PAREN "("
      R_PAREN ")"
    WHITESPACE " "
    BLOCK_EXPR
      STMT_LIST
        L_CURLY "{"
        R_CURLY "}"
  WHITESPACE "\n"
error 17: expected one of `*`, `::`, `{`, `self`, `super` or an identifier
error 17: expected SEMICOLON
error 37: expected one of `*`, `::`, `{`, `self`, `super` or an identifier
error 37: expected SEMICOLON