this derivation will be built:
  /nix/store/7s1l4b077bbj6n7f4plz6anq6vpa7p43-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/7s1l4b077bbj6n7f4plz6anq6vpa7p43-bcachefs-module-7.0.0-29-generic.drv'...