this derivation will be built:
  /nix/store/ki21g6611cvvdcx2hq970bfadcjpqmrg-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/ki21g6611cvvdcx2hq970bfadcjpqmrg-bcachefs-module-7.0.0-30-generic.drv'...