* checking for file ‘./DESCRIPTION’ ... OK
* preparing ‘pfm’:
* checking DESCRIPTION meta-information ... OK
* checking for LF line-endings in source and make files and shell scripts
* checking for empty or unneeded directories
Removed empty directory ‘pfm/inst/testdata/SwashProjects/Project_1/MACRO’
Removed empty directory ‘pfm/inst/testdata/SwashProjects/Project_1’
Removed empty directory ‘pfm/inst/testdata/SwashProjects’
* looking to see if a ‘data/datalist’ file should be added
  NB: this package now depends on R (>= 3.5.0)
  WARNING: Added dependency on R >= 3.5.0 because serialized objects in  serialize/load version 3 cannot be read in older versions of R.  File(s) containing such objects:  'pfm/data/EFSA_GW_interception_2014.RData'  WARNING: Added dependency on R >= 3.5.0 because serialized objects in  serialize/load version 3 cannot be read in older versions of R.  File(s) containing such objects: 'pfm/data/EFSA_washoff_2017.RData'
* building 'pfm_0.5.7.tar.gz'