this derivation will be built: /nix/store/4z5dp352zs5636nbg1y7dv3zkgxwm6k1-bcachefs-module-7.0.0-31-generic-64k.drv building '/nix/store/4z5dp352zs5636nbg1y7dv3zkgxwm6k1-bcachefs-module-7.0.0-31-generic-64k.drv'...