For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:dfaggioli:devel:Virtualization/openSUSE_Tumbleweed/home:dfaggioli:devel:Virtualization.repo
zypper refresh
zypper install crun
For Staging G run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:dfaggioli:devel:Virtualization/Staging_G/home:dfaggioli:devel:Virtualization.repo
zypper refresh
zypper install crun
For Staging A run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:dfaggioli:devel:Virtualization/Staging_A/home:dfaggioli:devel:Virtualization.repo
zypper refresh
zypper install crun