$ perl '-Mdiagnostics' -le 'print $diagnostics::VERSION'
couldn't find diagnostic data in /usr/share/perl5/5.40/pods/perldiag.pod /usr/share/perl5 /usr/local/lib/perl5/site_perl/5.40/x86_64-cygwin-threads /usr/local/share/perl5/site_perl/5.40 /usr/lib/perl5/vendor_perl/5.40/x86_64-cygwin-threads /usr/share/perl5/vendor_perl/5.40 /usr/lib/perl5/5.40/x86_64-cygwin-threads /usr/share/perl5/5.40 -e at /usr/share/perl5/5.40/diagnostics.pm line 259, <POD_DIAG> line 718.
Compilation failed in require.
BEGIN failed--compilation aborted.