[560] Archived file permissions - Add some diagnostics.
[560] Archived file permissions - Add some diagnostics.

datagovuk/ckanext-archiver,ckan/ckanext-archiver,ckan/ckanext-archiver,ckan/ckanext-archiver,DanePubliczneGovPl/ckanext-archiver,DanePubliczneGovPl/ckanext-archiver,DanePubliczneGovPl/ckanext-archiver,datagovuk/ckanext-archiver,datagovuk/ckanext-archiver