this derivation will be built:
  /nix/store/b9cvlff6zr11y87swg6j2paah74nc2mi-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/b9cvlff6zr11y87swg6j2paah74nc2mi-bcachefs-module-7.0.0-38-generic.drv'...