Changelog for rust-std-bootstrap-1_19-1.19.0-5.2.x86_64.rpm :

* Mon May 14 2018 mmanu84AATToutlook.de- Add _constraints file to avoid build failure for ppc64 and ppc64le
* Tue Jan 09 2018 mmanu84AATToutlook.de- Add armv6 support
* Wed Sep 20 2017 opensuseAATTdstoecker.de- Create 1.19 bootstrap for std