this derivation will be built:
  /nix/store/wn6iip3sr8557xnwzhk7qlv82zc2ilpq-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/wn6iip3sr8557xnwzhk7qlv82zc2ilpq-bcachefs-module-7.0.0-39-generic.drv'...