this derivation will be built:
  /nix/store/f6294jh4wj5gffpm6hfy4lkylymy8qnx-bcachefs-module-7.0.0-27-generic.drv
building '/nix/store/f6294jh4wj5gffpm6hfy4lkylymy8qnx-bcachefs-module-7.0.0-27-generic.drv'...