This bug report clearly shows debootstrap finishing and a *later* crash. Unless someone can show something debootstrap did that caused the later problem, it's not appropriate to reassign this bug to debootstrap.
Also, perl-modules is only priority standard, so debootstrap will not even install it. Also, one minute grepping the source of pbuilder finds the code that's failing. pbuilder-modules line 469, which uses ln without -f. Reassigning back. -- see shy jo
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