>>> Emerging (2 of 2) net-im/kmess-999 to /
 * checking ebuild checksums ;-) ...                                                                                                                                        [ ok ]
 * checking auxfile checksums ;-) ...                                                                                                                                       [ ok ]
 * checking miscfile checksums ;-) ...                                                                                                                                      [ ok ]
>>> Unpacking source...
ACCESS DENIED  mkdir:     /usr/portage/distfiles/svn-src
mkdir: cannot create directory `/usr/portage/distfiles/svn-src/': Permission denied

!!! ERROR: net-im/kmess-999 failed.
Call stack:
  ebuild.sh, line 1615:   Called dyn_unpack
  ebuild.sh, line 752:   Called qa_call 'src_unpack'
  ebuild.sh, line 44:   Called src_unpack
  kmess-999.ebuild, line 28:   Called subversion_src_unpack
  subversion.eclass, line 274:   Called subversion_fetch
  subversion.eclass, line 156:   Called die

!!! subversion.eclass: can't mkdir /usr/portage/distfiles/svn-src/.
!!! If you need support, post the topmost build error, and the call stack if relevant.
!!! A complete build log is located at '/var/tmp/portage/net-im/kmess-999/temp/build.log'.

--------------------------- ACCESS VIOLATION SUMMARY ---------------------------
LOG FILE = "/var/log/sandbox/sandbox-net-im_-_kmess-999-21312.log"

mkdir:     /usr/portage/distfiles/svn-src (symlink to /usr/portage/distfiles/)
--------------------------------------------------------------------------------
!!! This ebuild is from an overlay: '/usr/local/portage'