this derivation will be built:
  /nix/store/l7155c2hv3njvwyplgwyhmf9mqypri6y-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/l7155c2hv3njvwyplgwyhmf9mqypri6y-bcachefs-module-7.0.0-28-generic.drv'...