I saw this during the update:

Updating   : abrt-libs-2.1.5-1.fc18.x86_64                              10/76
cp: cannot create regular file â/var/tmp/abrt/ccpp-2013-03-27-09:24:26-2877/environâ: No such file or directory
cp: cannot create regular file â/var/tmp/abrt/ccpp-2013-03-27-09:24:26-2877/mapsâ: No such file or directory
cp: cannot create regular file â/var/tmp/abrt/ccpp-2013-03-27-09:24:26-2877/countâ: No such file or directory
cp: cannot create regular file â/var/tmp/abrt/ccpp-2013-03-27-09:24:26-2877/hostnameâ: No such file or directory
cp: cannot create regular file â/var/tmp/abrt/ccpp-2013-03-27-09:24:26-2877/core_backtraceâ: No such file or directory

Is it anything to worry about?

Richard