this derivation will be built:
  /nix/store/565bp9csg6wnihgznypbg3wflj5mzm5k-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/565bp9csg6wnihgznypbg3wflj5mzm5k-bcachefs-module-7.0.0-38-generic.drv'...