this derivation will be built:
  /nix/store/xlhqvhpg2qcijwn87pcy27d4h6k3d1r9-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/xlhqvhpg2qcijwn87pcy27d4h6k3d1r9-bcachefs-module-7.0.0-29-generic.drv'...