this derivation will be built:
  /nix/store/6kgl3ja0946p7h5b6fq8ys27rwraljn2-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/6kgl3ja0946p7h5b6fq8ys27rwraljn2-bcachefs-module-7.0.0-38-generic.drv'...