this derivation will be built:
  /nix/store/k258xphbf6yjvq8ksscsgl33frj71kdz-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/k258xphbf6yjvq8ksscsgl33frj71kdz-bcachefs-module-7.0.0-30-generic.drv'...