dpkg-buildpackage: warning: using a gain-root-command while being root
 dpkg-source --before-build .
 debian/rules build
 fakeroot -u debian/rules binary
tar: include/generated/.vdso-offsets.h.cmd: Cannot stat: No such file or directory
tar: scripts/.module.lds.cmd: Cannot stat: No such file or directory
tar: scripts/basic/.fixdep.cmd: Cannot stat: No such file or directory
tar: scripts/.sorttable.cmd: Cannot stat: No such file or directory
tar: scripts/.bin2c.cmd: Cannot stat: No such file or directory
tar: scripts/.sign-file.cmd: Cannot stat: No such file or directory
tar: scripts/.insert-sys-cert.cmd: Cannot stat: No such file or directory
tar: scripts/.extract-cert.cmd: Cannot stat: No such file or directory
tar: scripts/mod/modpost.o: Cannot stat: No such file or directory
tar: scripts/mod/devicetable-offsets.s: Cannot stat: No such file or directory
tar: scripts/mod/.file2alias.o.cmd: Cannot stat: No such file or directory
tar: scripts/mod/file2alias.o: Cannot stat: No such file or directory
tar: scripts/mod/.modpost.o.cmd: Cannot stat: No such file or directory
tar: scripts/mod/.elfconfig.h.cmd: Cannot stat: No such file or directory
tar: scripts/mod/.devicetable-offsets.s.cmd: Cannot stat: No such file or directory
tar: scripts/mod/.modpost.cmd: Cannot stat: No such file or directory
tar: scripts/mod/sumversion.o: Cannot stat: No such file or directory
tar: scripts/mod/.mk_elfconfig.cmd: Cannot stat: No such file or directory
tar: scripts/mod/.empty.o.cmd: Cannot stat: No such file or directory
tar: scripts/mod/empty.o: Cannot stat: No such file or directory
tar: scripts/mod/.sumversion.o.cmd: Cannot stat: No such file or directory
tar: scripts/dtc/dtc.o: Cannot stat: No such file or directory
tar: scripts/dtc/data.o: Cannot stat: No such file or directory
tar: scripts/dtc/.util.o.cmd: Cannot stat: No such file or directory