(Reading database ... 199010 files and directories currently installed.)
Unpacking gir1.2-mutter-3.0 (from .../gir1.2-mutter-3.0_3.0.0-0ubuntu1_i386.deb) ...
dpkg: error processing /var/cache/apt/archives/gir1.2-mutter-3.0_3.0.0-0ubuntu1_i386.deb (--unpack):
 trying to overwrite '/usr/lib/mutter/Meta-3.0.typelib', which is also in package gir1.2-mutter-2.91 3.0.0-0ubuntu1~build1
Errors were encountered while processing:
 /var/cache/apt/archives/gir1.2-mutter-3.0_3.0.0-0ubuntu1_i386.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)