touch: setting times of `/var/tmp/portage/sys-apps/portage-2.2_rc12/temp/environment.success': Unknown error 4294967207
>>> Unpacking source...
>>> Unpacking portage-2.2_rc1.tar.bz2 to /var/tmp/portage/sys-apps/portage-2.2_rc12/work
>>> Unpacking portage-2.2_rc12.patch.bz2 to /var/tmp/portage/sys-apps/portage-2.2_rc12/work
 [32;01m*[0m Applying portage-2.2_rc12.patch ...
[A[150C  [34;01m[ [32;01mok[34;01m ][0m
 [32;01m*[0m Setting portage.VERSION to 2.2_rc12 ...
touch: setting times of `/var/tmp/portage/sys-apps/portage-2.2_rc12/.unpacked': Unknown error 4294967207
 [31;01m*[0m 
 [31;01m*[0m ERROR: sys-apps/portage-2.2_rc12 failed.
 [31;01m*[0m Call stack:
 [31;01m*[0m ebuild.sh, line 2091:  Called ebuild_main
 [31;01m*[0m ebuild.sh, line 2025:  Called dyn_unpack
 [31;01m*[0m ebuild.sh, line  705:  Called die
 [31;01m*[0m The specific snippet of code:
 [31;01m*[0m touch "${PORTAGE_BUILDDIR}/.unpacked" || die "IO Failure -- Failed 'touch .unpacked' in ${PORTAGE_BUILDDIR}"
 [31;01m*[0m The die message:
 [31;01m*[0m IO Failure -- Failed 'touch .unpacked' in /var/tmp/portage/sys-apps/portage-2.2_rc12
 [31;01m*[0m 
 [31;01m*[0m If you need support, post the topmost build error, and the call stack if relevant.
 [31;01m*[0m A complete build log is located at '/var/tmp/portage/sys-apps/portage-2.2_rc12/temp/build.log'.
 [31;01m*[0m The ebuild environment file is located at '/var/tmp/portage/sys-apps/portage-2.2_rc12/temp/environment'.
 [31;01m*[0m