abidiff complains:
abidiff: failed to read input file /usr/lib/libdcerpc-samr.so.0.0.1
abidiff: could not find the debug info
This is a grouping library which doesn't have any source code, so just
ignore it with a suppression file (.abignore).
Example for .abignore:
https://sourceware.org/git/?p=libabigail.git;a=blob;f=default.abignore