this derivation will be built: /nix/store/yxaqy5zhwz917iyqsslq708mpqbdhdv6-bcachefs-module-7.0.0-31-generic.drv building '/nix/store/yxaqy5zhwz917iyqsslq708mpqbdhdv6-bcachefs-module-7.0.0-31-generic.drv'...