Testing stuff on an old version of perl (5.6.2) seems to be smoking out a fair number of problems.
Testing stuff on non-x86 has so far only shown up two problems, one of which I (and others) already knew about (perl doesn't like Unicos) but the other I gleefully submitted to the perl5-porters - perl 5.8.8 builds but fails a test if you tell Configure to just go with all the defaults on NetBSD on Alpha hardware. No doubt when I actually get a testing environment *working* on either of those platforms, I'll smoke out a load of "all the world's a PeeCee" bugs.
Some of the problems I'm finding are really subtle - see if you can spot what's going on here and here - they are ostensibly the same version of a module passing and failing on the same OS and the same build of perl.
diff says PERL5LIB (Score:1)
Running diff on the two results shows this:
If you test a module successfully, then I believe that the latest version of CPAN adds that to your PERL5LIB for the rest of that session, even if you don't install it.