this derivation will be built:
  /nix/store/xdb2z8z4mlz2npm010rv8p92af7mvjbv-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/xdb2z8z4mlz2npm010rv8p92af7mvjbv-bcachefs-module-7.0.0-38-generic.drv'...