qtcreator вываливается с ошибкой при установке

>>> Unpacking source...
/var/tmp/portage/dev-util/qtcreator-0.9/temp/environment: line 2085: 15261 Segmentation fault "$DISTDIR/${A}" --mode unattended --installdir "${S}"
*
* ERROR: dev-util/qtcreator-0.9 failed.
* Call stack:
* ebuild.sh, line 49: Called src_unpack
* environment, line 2088: Called die
* The specific snippet of code:
* to unpack"
* The die message:
* Failed
* to unpack
*
* 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/dev-util/qtcreator-0.9/temp/build.log'.
* The ebuild environment file is located at '/var/tmp/portage/dev-util/qtcreator-0.9/temp/environment'.
* This ebuild is from an overlay named 'local': '/usr/local/overlay/'
*