Found the following significant warnings:
  command.c:38:5: warning: ‘ssh_channel_select’ is deprecated [-Wdeprecated-declarations]
  scp.c:15:5: warning: ‘ssh_scp_close’ is deprecated [-Wdeprecated-declarations]
  scp.c:16:5: warning: ‘ssh_scp_free’ is deprecated [-Wdeprecated-declarations]
  scp.c:26:3: warning: ‘ssh_scp_push_directory’ is deprecated [-Wdeprecated-declarations]
  scp.c:42:3: warning: ‘ssh_scp_request_get_size64’ is deprecated [-Wdeprecated-declarations]
  scp.c:48:7: warning: ‘ssh_scp_deny_request’ is deprecated [-Wdeprecated-declarations]
  scp.c:51:5: warning: ‘ssh_scp_read’ is deprecated [-Wdeprecated-declarations]
  scp.c:62:3: warning: ‘ssh_scp_new’ is deprecated [-Wdeprecated-declarations]
  scp.c:63:3: warning: ‘ssh_scp_init’ is deprecated [-Wdeprecated-declarations]
  scp.c:64:3: warning: ‘ssh_scp_pull_request’ is deprecated [-Wdeprecated-declarations]
  scp.c:66:3: warning: ‘ssh_scp_pull_request’ is deprecated [-Wdeprecated-declarations]
  scp.c:67:3: warning: ‘ssh_scp_close’ is deprecated [-Wdeprecated-declarations]
  scp.c:68:3: warning: ‘ssh_scp_free’ is deprecated [-Wdeprecated-declarations]
  scp.c:74:3: warning: ‘ssh_scp_new’ is deprecated [-Wdeprecated-declarations]
  scp.c:75:3: warning: ‘ssh_scp_init’ is deprecated [-Wdeprecated-declarations]
  scp.c:82:3: warning: ‘ssh_scp_push_file’ is deprecated [-Wdeprecated-declarations]
  scp.c:83:3: warning: ‘ssh_scp_write’ is deprecated [-Wdeprecated-declarations]
  scp.c:84:3: warning: ‘ssh_scp_close’ is deprecated [-Wdeprecated-declarations]
  scp.c:85:3: warning: ‘ssh_scp_free’ is deprecated [-Wdeprecated-declarations]
  scp.c:100:3: warning: ‘ssh_scp_new’ is deprecated [-Wdeprecated-declarations]
  scp.c:101:3: warning: ‘ssh_scp_init’ is deprecated [-Wdeprecated-declarations]
  scp.c:106:5: warning: ‘ssh_scp_pull_request’ is deprecated [-Wdeprecated-declarations]
  scp.c:108:7: warning: ‘ssh_scp_accept_request’ is deprecated [-Wdeprecated-declarations]
  scp.c:109:7: warning: ‘ssh_scp_request_get_filename’ is deprecated [-Wdeprecated-declarations]
  scp.c:117:7: warning: ‘ssh_scp_accept_request’ is deprecated [-Wdeprecated-declarations]
  scp.c:118:7: warning: ‘ssh_scp_request_get_filename’ is deprecated [-Wdeprecated-declarations]
  scp.c:125:7: warning: ‘ssh_scp_request_get_warning’ is deprecated [-Wdeprecated-declarations]
  scp.c:138:3: warning: ‘ssh_scp_close’ is deprecated [-Wdeprecated-declarations]
  scp.c:139:3: warning: ‘ssh_scp_free’ is deprecated [-Wdeprecated-declarations]
  scp.c:145:3: warning: ‘ssh_scp_new’ is deprecated [-Wdeprecated-declarations]
  scp.c:146:3: warning: ‘ssh_scp_init’ is deprecated [-Wdeprecated-declarations]
  scp.c:161:11: warning: ‘ssh_scp_leave_directory’ is deprecated [-Wdeprecated-declarations]
  scp.c:171:7: warning: ‘ssh_scp_push_directory’ is deprecated [-Wdeprecated-declarations]
  scp.c:182:5: warning: ‘ssh_scp_push_file’ is deprecated [-Wdeprecated-declarations]
  scp.c:192:7: warning: ‘ssh_scp_write’ is deprecated [-Wdeprecated-declarations]
  scp.c:205:5: warning: ‘ssh_scp_leave_directory’ is deprecated [-Wdeprecated-declarations]
  scp.c:208:3: warning: ‘ssh_scp_close’ is deprecated [-Wdeprecated-declarations]
  scp.c:209:3: warning: ‘ssh_scp_free’ is deprecated [-Wdeprecated-declarations]
See ‘/home/hornik/tmp/R.check/r-patched-gcc/Work/PKGS/ssh.Rcheck/00install.out’ for details.