this derivation will be built:
  /nix/store/rpk9d50qcqilb7wlcar5vgqfflvyjpdv-bcachefs-module-7.0.0-14-generic.drv
building '/nix/store/rpk9d50qcqilb7wlcar5vgqfflvyjpdv-bcachefs-module-7.0.0-14-generic.drv'...