Package: gcc-5-base Version: 5.3.0-3 Severity: serious Unpacking gcc-5-base:amd64 (5.3.0-3) over (5.2.1-27) ... Preparing to unpack .../gcc-5-base_5.3.0-3_i386.deb ... Unpacking gcc-5-base:i386 (5.3.0-3) over (5.2.1-27) ... dpkg: error processing archive /var/cache/apt/archives/gcc-5-base_5.3.0-3_i386.deb (--unpack): trying to overwrite shared '/usr/share/doc/gcc-5-base/changelog.Debian.gz', which is different from other instances of package gcc-5-base:i386
The :amd64 package (built on the buildd) has unstable as the target distribution in the changelog, but the (maintainer built) :i386 package has experimental, thus causing the mismatch between the two. -- System Information: Debian Release: stretch/sid APT prefers unstable APT policy: (500, 'unstable'), (1, 'experimental') Architecture: amd64 (x86_64) Foreign Architectures: i386, arm64 Kernel: Linux 4.2.0-1-amd64 (SMP w/4 CPU cores) Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system)