whether the package can be unloaded cleanly

Requires orphaned package: ‘RGtk2’
R: Fatal IO error 146 (Connection refused) on X server :5.0.
Packages required but not available: 'RGtk2', 'gWidgets2RGtk2'

See section ‘The DESCRIPTION file’ in the ‘Writing R Extensions’
manual.

Requires orphaned packages:
  ‘RGtk2’ ‘cairoDevice’
Packages required but not available:
  'RGtk2', 'gWidgets2RGtk2', 'cairoDevice', 'RSCABS'

See section ‘The DESCRIPTION file’ in the ‘Writing R Extensions’
manual.

Malformed Description field: should contain one or more complete sentences.
Malformed Description field: should contain one or more complete sentences.
Requires orphaned packages:
  ‘RGtk2’ ‘cairoDevice’
Malformed Description field: should contain one or more complete sentences.
Malformed Description field: should contain one or more complete sentences.
Malformed Description field: should contain one or more complete sentences.
Malformed Description field: should contain one or more complete sentences.
Malformed Description field: should contain one or more complete sentences.
Package required but not available: ‘x12’

See section ‘The DESCRIPTION file’ in the ‘Writing R Extensions’
manual.
Malformed Description field: should contain one or more complete sentences.
Packages required but not available: 'RGtk2', 'cairoDevice'

See section ‘The DESCRIPTION file’ in the ‘Writing R Extensions’
manual.
Malformed Description field: should contain one or more complete sentences.
Malformed Description field: should contain one or more complete sentences.
Malformed Description field: should contain one or more complete sentences.
Malformed Description field: should contain one or more complete sentences.

Installation failed.
See ‘/home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/AgroR.Rcheck/00install.out’ for details.
Installation failed.
See ‘/data/gannet/ripley/R/packages/tests-clang/AgroR.Rcheck/00install.out’ for details.
Installation failed.
See ‘/data/gannet/ripley/R/packages/tests-devel/AgroR.Rcheck/00install.out’ for details.
Installation failed.
See 'C:/msys64/home/tomas/ucrt3/svn/ucrt3/r_packages/pkgcheck/CRAN/AgroR/AgroR.Rcheck/00install.out' for details.