this derivation will be built: /nix/store/kx48wiqxqk8iz8ha8q1jvb8snbds546r-bcachefs-module-7.0.0-38-generic.drv building '/nix/store/kx48wiqxqk8iz8ha8q1jvb8snbds546r-bcachefs-module-7.0.0-38-generic.drv'...