this derivation will be built:
  /nix/store/r1afhzm766mv7rpyqwasrmjs9fq09810-bcachefs-module-7.0.0-27-generic.drv
building '/nix/store/r1afhzm766mv7rpyqwasrmjs9fq09810-bcachefs-module-7.0.0-27-generic.drv'...