The package rust-smithay-client-toolkit-0.16 0.16.1-7 has been added to kali-rolling. It has been imported from Debian: https://tracker.debian.org/pkg/rust-smithay-client-toolkit-0.16 -- More information about rust-smithay-client-toolkit-0.16: https://pkg.kali.org/pkg/rust-smithay-client-toolkit-0.16