Found the following significant warnings:
  curl.c:193:17: warning: 'CURLOPT_PROGRESSFUNCTION' is deprecated: since 7.32.0. Use CURLOPT_XFERINFOFUNCTION [-Wdeprecated-declarations]
  curl.c:197:17: warning: 'CURLOPT_PROGRESSFUNCTION' is deprecated: since 7.32.0. Use CURLOPT_XFERINFOFUNCTION [-Wdeprecated-declarations]
  curl.c:368:9: warning: 'CURLOPT_HTTPPOST' is deprecated: since 7.56.0. Use CURLOPT_MIMEPOST [-Wdeprecated-declarations]
  curl.c:372:17: warning: 'CURLOPT_HTTPPOST' is deprecated: since 7.56.0. Use CURLOPT_MIMEPOST [-Wdeprecated-declarations]
  curl.c:374:13: warning: 'CURLOPT_HTTPPOST' is deprecated: since 7.56.0. Use CURLOPT_MIMEPOST [-Wdeprecated-declarations]
  curl.c:382:9: warning: 'CURLOPT_HTTPPOST' is deprecated: since 7.56.0. Use CURLOPT_MIMEPOST [-Wdeprecated-declarations]
  curl.c:399:9: warning: 'CURLOPT_HTTPPOST' is deprecated: since 7.56.0. Use CURLOPT_MIMEPOST [-Wdeprecated-declarations]
  curl.c:450:20: warning: 'curl_formadd' is deprecated: since 7.56.0. Use curl_mime_init() [-Wdeprecated-declarations]
  curl.c:451:30: warning: 'CURLFORM_PTRNAME' is deprecated: since 7.56.0. Use curl_mime_name() [-Wdeprecated-declarations]
  curl.c:452:30: warning: 'CURLFORM_BUFFER' is deprecated: since 7.56.0. Use curl_mime_filename() [-Wdeprecated-declarations]
  curl.c:453:30: warning: 'CURLFORM_BUFFERPTR' is deprecated: since 7.56.0. Use curl_mime_data() [-Wdeprecated-declarations]
  curl.c:454:30: warning: 'CURLFORM_BUFFERLENGTH' is deprecated: since 7.56.0. Use curl_mime_data() [-Wdeprecated-declarations]
  curl.c:455:30: warning: 'CURLFORM_CONTENTTYPE' is deprecated: since 7.56.0. Use curl_mime_type() [-Wdeprecated-declarations]
  curl.c:458:20: warning: 'curl_formadd' is deprecated: since 7.56.0. Use curl_mime_init() [-Wdeprecated-declarations]
  curl.c:459:30: warning: 'CURLFORM_PTRNAME' is deprecated: since 7.56.0. Use curl_mime_name() [-Wdeprecated-declarations]
  curl.c:460:30: warning: 'CURLFORM_BUFFER' is deprecated: since 7.56.0. Use curl_mime_filename() [-Wdeprecated-declarations]
  curl.c:461:30: warning: 'CURLFORM_BUFFERPTR' is deprecated: since 7.56.0. Use curl_mime_data() [-Wdeprecated-declarations]
  curl.c:462:30: warning: 'CURLFORM_BUFFERLENGTH' is deprecated: since 7.56.0. Use curl_mime_data() [-Wdeprecated-declarations]
  curl.c:466:20: warning: 'curl_formadd' is deprecated: since 7.56.0. Use curl_mime_init() [-Wdeprecated-declarations]
  curl.c:467:30: warning: 'CURLFORM_PTRNAME' is deprecated: since 7.56.0. Use curl_mime_name() [-Wdeprecated-declarations]
  curl.c:468:30: warning: 'CURLFORM_FILE' is deprecated: since 7.56.0. Use curl_mime_filedata() [-Wdeprecated-declarations]
  curl.c:469:30: warning: 'CURLFORM_CONTENTTYPE' is deprecated: since 7.56.0. Use curl_mime_type() [-Wdeprecated-declarations]
  curl.c:472:20: warning: 'curl_formadd' is deprecated: since 7.56.0. Use curl_mime_init() [-Wdeprecated-declarations]
  curl.c:473:30: warning: 'CURLFORM_PTRNAME' is deprecated: since 7.56.0. Use curl_mime_name() [-Wdeprecated-declarations]
  curl.c:474:30: warning: 'CURLFORM_FILE' is deprecated: since 7.56.0. Use curl_mime_filedata() [-Wdeprecated-declarations]
  curl.c:497:9: warning: 'curl_formadd' is deprecated: since 7.56.0. Use curl_mime_init() [-Wdeprecated-declarations]
  curl.c:498:22: warning: 'CURLFORM_PTRNAME' is deprecated: since 7.56.0. Use curl_mime_name() [-Wdeprecated-declarations]
  curl.c:499:22: warning: 'CURLFORM_NAMELENGTH' is deprecated: since 7.56.0.  [-Wdeprecated-declarations]
  curl.c:500:22: warning: 'CURLFORM_PTRCONTENTS' is deprecated: since 7.56.0. Use curl_mime_data() [-Wdeprecated-declarations]
  CURLOptTable.h:23:3: warning: 'CURLOPT_HTTPPOST' is deprecated: since 7.56.0. Use CURLOPT_MIMEPOST [-Wdeprecated-declarations]
  CURLOptTable.h:58:3: warning: 'CURLOPT_PUT' is deprecated: since 7.12.1. Use CURLOPT_UPLOAD [-Wdeprecated-declarations]
  CURLOptTable.h:59:3: warning: 'CURLOPT_PROGRESSFUNCTION' is deprecated: since 7.32.0. Use CURLOPT_XFERINFOFUNCTION [-Wdeprecated-declarations]
  CURLOptTable.h:79:3: warning: 'CURLOPT_RANDOM_FILE' is deprecated: since 7.84.0. Serves no purpose anymore [-Wdeprecated-declarations]
  CURLOptTable.h:80:3: warning: 'CURLOPT_EGDSOCKET' is deprecated: since 7.84.0. Serves no purpose anymore [-Wdeprecated-declarations]
  CURLOptTable.h:94:3: warning: 'CURLOPT_DNS_USE_GLOBAL_CACHE' is deprecated: since 7.11.1. Use CURLOPT_SHARE [-Wdeprecated-declarations]
  CURLOptTable.h:129:3: warning: 'CURLOPT_IOCTLFUNCTION' is deprecated: since 7.18.0. Use CURLOPT_SEEKFUNCTION [-Wdeprecated-declarations]
  CURLOptTable.h:130:3: warning: 'CURLOPT_IOCTLDATA' is deprecated: since 7.18.0. Use CURLOPT_SEEKDATA [-Wdeprecated-declarations]
  CURLOptTable.h:161:3: warning: 'CURLOPT_CONV_FROM_NETWORK_FUNCTION' is deprecated: since 7.82.0. Serves no purpose anymore [-Wdeprecated-declarations]
  CURLOptTable.h:165:3: warning: 'CURLOPT_CONV_TO_NETWORK_FUNCTION' is deprecated: since 7.82.0. Serves no purpose anymore [-Wdeprecated-declarations]
  CURLOptTable.h:169:3: warning: 'CURLOPT_CONV_FROM_UTF8_FUNCTION' is deprecated: since 7.82.0. Serves no purpose anymore [-Wdeprecated-declarations]
  CURLOptTable.h:309:3: warning: 'CURLOPT_SOCKS5_GSSAPI_SERVICE' is deprecated: since 7.49.0. Use CURLOPT_PROXY_SERVICE_NAME [-Wdeprecated-declarations]
  CURLOptTable.h:317:3: warning: 'CURLOPT_PROTOCOLS' is deprecated: since 7.85.0. Use CURLOPT_PROTOCOLS_STR [-Wdeprecated-declarations]
  CURLOptTable.h:321:3: warning: 'CURLOPT_REDIR_PROTOCOLS' is deprecated: since 7.85.0. Use CURLOPT_REDIR_PROTOCOLS_STR [-Wdeprecated-declarations]
  CURLINFOTable.h:20:1: warning: 'CURLINFO_SIZE_UPLOAD' is deprecated: since 7.55.0. Use CURLINFO_SIZE_UPLOAD_T [-Wdeprecated-declarations]
  CURLINFOTable.h:23:1: warning: 'CURLINFO_SIZE_DOWNLOAD' is deprecated: since 7.55.0. Use CURLINFO_SIZE_DOWNLOAD_T [-Wdeprecated-declarations]
  CURLINFOTable.h:26:1: warning: 'CURLINFO_SPEED_DOWNLOAD' is deprecated: since 7.55.0. Use CURLINFO_SPEED_DOWNLOAD_T [-Wdeprecated-declarations]
  CURLINFOTable.h:29:1: warning: 'CURLINFO_SPEED_UPLOAD' is deprecated: since 7.55.0. Use CURLINFO_SPEED_UPLOAD_T [-Wdeprecated-declarations]
  CURLINFOTable.h:44:1: warning: 'CURLINFO_CONTENT_LENGTH_DOWNLOAD' is deprecated: since 7.55.0. Use CURLINFO_CONTENT_LENGTH_DOWNLOAD_T [-Wdeprecated-declarations]
  CURLINFOTable.h:47:1: warning: 'CURLINFO_CONTENT_LENGTH_UPLOAD' is deprecated: since 7.55.0. Use CURLINFO_CONTENT_LENGTH_UPLOAD_T [-Wdeprecated-declarations]
  CURLINFOTable.h:86:1: warning: 'CURLINFO_LASTSOCKET' is deprecated: since 7.45.0. Use CURLINFO_ACTIVESOCKET [-Wdeprecated-declarations]
  memoryManagement.c:130:13: warning: 'CURLOPT_HTTPPOST' is deprecated: since 7.56.0. Use CURLOPT_MIMEPOST [-Wdeprecated-declarations]
  memoryManagement.c:135:21: warning: 'curl_formfree' is deprecated: since 7.56.0. Use curl_mime_free() [-Wdeprecated-declarations]
See 'd:/Rcompile/CRANpkg/local/4.3/RCurl.Rcheck/00install.out' for details.
* used C compiler: 'gcc.exe (GCC) 12.2.0'