* using log directory 'd:/Rcompile/CRANpkg/local/3.4/exampletestr.Rcheck'
* using R version 3.4.4 (2018-03-15)
* using platform: x86_64-w64-mingw32 (64-bit)
* using session charset: ISO8859-1
* checking for file 'exampletestr/DESCRIPTION' ... OK
* checking extension type ... Package
* this is package 'exampletestr' version '1.4.0'
* package encoding: UTF-8
* checking package namespace information ... OK
* checking package dependencies ... OK
* checking if this is a source package ... OK
* checking if there is a namespace ... OK
* checking for hidden files and directories ... OK
* checking for portable file names ... OK
* checking whether package 'exampletestr' can be installed ... ERROR
Installation failed.
See 'd:/Rcompile/CRANpkg/local/3.4/exampletestr.Rcheck/00install.out' for details.
* DONE
The installation logfile:
* installing *source* package 'exampletestr' ...
** package 'exampletestr' successfully unpacked and MD5 sums checked
** R
** inst
** preparing package for lazy loading
Error in namespaceExport(ns, exports) : 
  undefined exports: %s!=%, %s!==%, %s+%, %s<%, %s<=%, %s==%, %s===%, %s>%, %s>=%, %stri!=%, %stri!==%, %stri+%, %stri<%, %stri<=%, %stri==%, %stri===%, %stri>%, %stri>=%, stri_datetime_add<-, stri_sub<-, stri_subset<-, stri_subset_charclass<-, stri_subset_coll<-, stri_subset_fixed<-, stri_subset_regex<-, stri_c, stri_c_list, stri_cmp, stri_cmp_eq, stri_cmp_equiv, stri_cmp_ge, stri_cmp_gt, stri_cmp_le, stri_cmp_lt, stri_cmp_neq, stri_cmp_nequiv, stri_compare, stri_conv, stri_count, stri_count_boundaries, stri_count_charclass, stri_count_coll, stri_count_fixed, stri_count_regex, stri_count_words, stri_datetime_add, stri_datetime_create, stri_datetime_fields, stri_datetime_format, stri_datetime_fstr, stri_datetime_now, stri_datetime_parse, stri_datetime_symbols, stri_detect, stri_detect_charclass, stri_detect_coll, stri_detect_fixed, stri_detect_regex, stri_dup, stri_duplicated, stri_duplicated_any, stri_enc_detect, stri_enc_detect2, stri_enc_fromutf32, stri_enc_get, stri_enc_info, stri_enc_isascii, stri_enc_isutf16be, stri_enc_isutf16le, stri_enc_isutf32be, stri_enc_isutf32le, stri_enc_isutf8, stri_enc_list, stri_enc_mark, stri_enc_set, stri_enc_toascii, stri_enc_tonative, stri_enc_toutf32, stri_enc_toutf8, stri_encode, stri_endswith, stri_endswith_charclass, stri_endswith_coll, stri_endswith_fixed, stri_escape_unicode, stri_extract, stri_extract_all, stri_extract_all_boundaries, stri_extract_all_charclass, stri_extract_all_coll, stri_extract_all_fixed, stri_extract_all_regex, stri_extract_all_words, stri_extract_first, stri_extract_first_boundaries, stri_extract_first_charclass, stri_extract_first_coll, stri_extract_first_fixed, stri_extract_first_regex, stri_extract_first_words, stri_extract_last, stri_extract_last_boundaries, stri_extract_last_charclass, stri_extract_last_coll, stri_extract_last_fixed, stri_extract_last_regex, stri_extract_last_words, stri_flatten, stri_info, stri_isempty, stri_join, stri_join_list, stri_length, stri_list2matrix, stri_locale_get, stri_locale_info, stri_locale_list, stri_locale_set, stri_locate, stri_locate_all, stri_locate_all_boundaries, stri_locate_all_charclass, stri_locate_all_coll, stri_locate_all_fixed, stri_locate_all_regex, stri_locate_all_words, stri_locate_first, stri_locate_first_boundaries, stri_locate_first_charclass, stri_locate_first_coll, stri_locate_first_fixed, stri_locate_first_regex, stri_locate_first_words, stri_locate_last, stri_locate_last_boundaries, stri_locate_last_charclass, stri_locate_last_coll, stri_locate_last_fixed, stri_locate_last_regex, stri_locate_last_words, stri_match, stri_match_all, stri_match_all_regex, stri_match_first, stri_match_first_regex, stri_match_last, stri_match_last_regex, stri_na2empty, stri_numbytes, stri_opts_brkiter, stri_opts_collator, stri_opts_fixed, stri_opts_regex, stri_order, stri_pad, stri_pad_both, stri_pad_left, stri_pad_right, stri_paste, stri_paste_list, stri_rand_lipsum, stri_rand_shuffle, stri_rand_strings, stri_read_lines, stri_read_raw, stri_remove_empty, stri_replace, stri_replace_all, stri_replace_all_charclass, stri_replace_all_coll, stri_replace_all_fixed, stri_replace_all_regex, stri_replace_first, stri_replace_first_charclass, stri_replace_first_coll, stri_replace_first_fixed, stri_replace_first_regex, stri_replace_last, stri_replace_last_charclass, stri_replace_last_coll, stri_replace_last_fixed, stri_replace_last_regex, stri_replace_na, stri_reverse, stri_sort, stri_split, stri_split_boundaries, stri_split_charclass, stri_split_coll, stri_split_fixed, stri_split_lines, stri_split_lines1, stri_split_regex, stri_startswith, stri_startswith_charclass, stri_startswith_coll, stri_startswith_fixed, stri_stats_general, stri_stats_latex, stri_sub, stri_subset, stri_subset_charclass, stri_subset_coll, stri_subset_fixed, stri_subset_regex, stri_timezone_get, stri_timezone_info, stri_timezone_list, stri_timezone_set, stri_trans_char, stri_trans_general, stri_trans_isnfc, stri_trans_isnfd, stri_trans_isnfkc, stri_trans_isnfkc_casefold, stri_trans_isnfkd, stri_trans_list, stri_trans_nfc, stri_trans_nfd, stri_trans_nfkc, stri_trans_nfkc_casefold, stri_trans_nfkd, stri_trans_tolower, stri_trans_totitle, stri_trans_toupper, stri_trim, stri_trim_both, stri_trim_left, stri_trim_right, stri_unescape_unicode, stri_unique, stri_width, stri_wrap, stri_write_lines
ERROR: lazy loading failed for package 'exampletestr'
* removing 'd:/Rcompile/CRANpkg/lib/3.4/exampletestr'
* restoring previous 'd:/Rcompile/CRANpkg/lib/3.4/exampletestr'
In R CMD INSTALL