I am having trouble passing R CMD check without warnings because of the following error
* checking for future file timestamps ...Warning in file(con, "r") :
cannot open URL 'http://worldclockapi.com/api/json/utc/now': HTTP status was '403 Forbidden'
WARNING
unable to verify current time
Looking at the code in R-devel tools:::.check_packages()
, it seems that the future file stamps is enabled when checking as-cran
. Is there a way to around this on travis-CI (Until this gets fixed in R-devel)?