# Pastebin dFgEDKXz
 dpkg-source -b binutils-xenial
dpkg-source: info: using source format '3.0 (quilt)'
dpkg-source: info: building binutils using existing ./binutils_2.30.orig.tar.xz
dpkg-source: info: building binutils in binutils_2.30-4ubuntu1~ubuntu16.04.1~ppa1.debian.tar.xz
dpkg-source: info: building binutils in binutils_2.30-4ubuntu1~ubuntu16.04.1~ppa1.dsc
 dpkg-genchanges -S -sa -v2.26.1-1ubuntu1~16.04.6 >../binutils_2.30-4ubuntu1~ubuntu16.04.1~ppa1_source.changes
dpkg-genchanges: warning:     debian/changelog(l395): found change data where expected next heading or end of file
LINE:   * 
dpkg-genchanges: warning:     debian/changelog(l7258): invalid abbreviated month name 'Sept'
LINE:  -- Christopher C. Chimelis <chris@classnet.med.miami.edu>  Sat, 18 Sept 1999 01:21:05 -0400
dpkg-genchanges: warning:     debian/changelog(l7258): cannot parse non-comformant date '18 Sept 1999 01:21:05 -0400'
LINE:  -- Christopher C. Chimelis <chris@classnet.med.miami.edu>  Sat, 18 Sept 1999 01:21:05 -0400
dpkg-genchanges: warning: 'since' option specifies non-existing version
dpkg-genchanges: warning: use newest entry that is earlier than the one specified
dpkg-genchanges: error: unknown1 is not a valid version
dpkg-buildpackage: error: dpkg-genchanges gave error exit status 255
debuild: fatal error at line 1376:
dpkg-buildpackage -rfakeroot -d -us -uc -S -nc -sa -v2.26.1-1ubuntu1~16.04.6 failed
backportpackage: Error: debuild returned 29.