this derivation will be built:
  /nix/store/k8zbbz2qyllyhkv41s5di57d5swy5msh-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/k8zbbz2qyllyhkv41s5di57d5swy5msh-bcachefs-module-7.0.0-39-generic.drv'...