Package: apt Version: 1.7.0~rc1 Severity: serious File: /usr/bin/apt-cache If you do a fresh sid debootstrap and then you can get the following interaction:
$ apt-cache show gcc-8-base=installed libgcc1=installed Package: gcc-8-base Source: gcc-8 Version: 8.2.0-7 Installed-Size: 244 Maintainer: Debian GCC Maintainers <debian-...@lists.debian.org> Architecture: amd64 Breaks: gcc-4.4-base (<< 4.4.7), gcc-4.7-base (<< 4.7.3), gcj-4.4-base (<< 4.4.6-9~), gcj-4.6-base (<< 4.6.1-4~), gnat-4.4-base (<< 4.4.6-3~), gnat-4.6 (<< 4.6.1-5~) Description: GCC, the GNU Compiler Collection (base package) Description-md5: b6e93638a6d08ea7a18929d7cf078e5d Multi-Arch: same Homepage: http://gcc.gnu.org/ Tag: role::shared-lib Section: libs Priority: optional Filename: pool/main/g/gcc-8/gcc-8-base_8.2.0-7_amd64.deb Size: 187052 MD5sum: 5ae3d2f575c9924ae67fa8dcc4af1e21 SHA256: 9e3dcd13005ccadbb57a8f117cde66aec8b8b8a21492e3aa02d6f54c1288bfb4 Package: libgcc1 Source: gcc-8 (8.2.0-7) Version: 1:8.2.0-7 Installed-Size: 116 Maintainer: Debian GCC Maintainers <debian-...@lists.debian.org> Architecture: amd64 Depends: gcc-8-base (= 8.2.0-7), libc6 (>= 2.14) Breaks: gcc-4.3 (<< 4.3.6-1), gcc-4.4 (<< 4.4.6-4), gcc-4.5 (<< 4.5.3-2) Description: GCC support library Description-md5: bbd60d723e97d8e06c04228ee4c76f10 Tag: role::shared-lib Section: libs Priority: optional Filename: pool/main/g/gcc-8/libx32gomp1_8.2.0-7_amd64.deb Size: 77204 MD5sum: 61275848d23df37f647cb6a9b21f4135 SHA256: b8c56221460897e2640baf7bd6e1a9f645346d4178265508a18d48bf8c68e752 Package: libx32gomp1-dbg Source: gcc-8 Version: 8.2.0-7 Installed-Size: 346 Maintainer: Debian GCC Maintainers <de $ Please observe that a third package is included, but truncated. This is just an example. For other combinations of packages, you get other invalid output. I've also seen "Multi-Arch: forei" and other crap. I'm filing this at severity serious, because I think it is the tip of an iceberg. The rc severity will prevent apt-listbugs users from installing to leave time for investigation. Please downgrade the severity once the problem is understood to be harmless. Helmut