Package: lintian Version: 2.5.51 Severity: normal It doesn't look like the restriction-formula-with-debhelper-without-debhelper-version lintian tag is relevant any longer, since oldstable contains 9.20150101:
0 dkg@alice:~/tmp$ lintian-info --tags restriction-formula-with-debhelper-without-debhelper-version P: restriction-formula-with-debhelper-without-debhelper-version N: N: If a restriction formula appears in the build dependencies or if the N: Build-Profiles field is used in a binary package stanza and the N: package uses debhelper, then the source package has to depend on at N: least debhelper 9.20141010. N: N: Severity: pedantic, Certainty: certain N: N: Check: fields, Type: binary, udeb, source N: 0 dkg@alice:~/tmp$ rmadison debhelper debhelper | 9.20120909 | oldoldstable | source, all debhelper | 9.20150101 | oldstable-kfreebsd | source, all debhelper | 9.20150101+deb8u2 | oldstable | source, all debhelper | 10.2.5~bpo8+1 | jessie-backports | source, all debhelper | 10.2.5 | stable | source, all debhelper | 10.2.5 | testing | source, all debhelper | 10.6.4 | unstable | source, all 0 dkg@alice:~/tmp$ -- System Information: Debian Release: buster/sid APT prefers testing-debug APT policy: (500, 'testing-debug'), (500, 'testing'), (200, 'unstable-debug'), (200, 'unstable'), (1, 'experimental-debug'), (1, 'experimental') Architecture: amd64 (x86_64) Foreign Architectures: i386 Kernel: Linux 4.11.0-1-amd64 (SMP w/4 CPU cores) Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system) Versions of packages lintian depends on: ii binutils 2.28-6 ii bzip2 1.0.6-8.1 ii diffstat 1.61-1+b1 ii dpkg 1.18.24 ii file 1:5.30-1 ii gettext 0.19.8.1-2+b1 ii intltool-debian 0.35.0+20060710.4 ii libapt-pkg-perl 0.1.32 ii libarchive-zip-perl 1.59-1 ii libclass-accessor-perl 0.34-1 ii libclone-perl 0.38-2+b1 ii libdpkg-perl 1.18.24 ii libemail-valid-perl 1.202-1 ii libfile-basedir-perl 0.07-1 ii libipc-run-perl 0.94-1 ii liblist-moreutils-perl 0.416-1+b1 ii libparse-debianchangelog-perl 1.2.0-12 ii libperl5.24 [libdigest-sha-perl] 5.24.1-7 ii libtext-levenshtein-perl 0.13-1 ii libtimedate-perl 2.3000-2 ii liburi-perl 1.71-1 ii libyaml-libyaml-perl 0.63-2 ii man-db 2.7.6.1-2 ii patchutils 0.3.4-2 ii perl 5.24.1-7 ii t1utils 1.39-2 ii xz-utils 5.2.2-1.2+b1 Versions of packages lintian recommends: pn libperlio-gzip-perl <none> Versions of packages lintian suggests: pn binutils-multiarch <none> ii dpkg-dev 1.18.24 ii libhtml-parser-perl 3.72-3 ii libtext-template-perl 1.46-1 -- no debconf information