Mine

make[3]: Entering directory `/var/tmp/portage/gemrb-0.2.7/work/gemrb-0.2.7'
rm -f /usr/bin/plugins/libgemrb_core.so
ACCESS DENIED  unlink:    /usr/bin/plugins/libgemrb_core.so
rm: cannot remove `/usr/bin/plugins/libgemrb_core.so': Permission denied
make[3]: *** [install-data-hook] Error 1
make[3]: Leaving directory `/var/tmp/portage/gemrb-0.2.7/work/gemrb-0.2.7'
make[2]: *** [install-data-am] Error 2
make[2]: Leaving directory `/var/tmp/portage/gemrb-0.2.7/work/gemrb-0.2.7'
make[1]: *** [install-am] Error 2
make[1]: Leaving directory `/var/tmp/portage/gemrb-0.2.7/work/gemrb-0.2.7'
make: *** [install-recursive] Error 1

!!! ERROR: games-rpg/gemrb-0.2.7 failed.
Call stack:
  ebuild.sh, line 1546:   Called dyn_install
  ebuild.sh, line 1020:   Called src_install
  gemrb-0.2.7.ebuild, line 27:   Called die

!!! install failed
!!! If you need support, post the topmost build error, and the call stack if relevant.

--------------------------- ACCESS VIOLATION SUMMARY ---------------------------
LOG FILE = "/var/log/sandbox/sandbox-games-rpg_-_gemrb-0.2.7-26995.log"

unlink:    /usr/bin/plugins/libgemrb_core.so
--------------------------------------------------------------------------