this derivation will be built:
  /nix/store/nvzlssd3g586p74y90j4shjfr9b9lrv2-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/nvzlssd3g586p74y90j4shjfr9b9lrv2-bcachefs-module-7.0.0-30-generic.drv'...