this derivation will be built:
  /nix/store/4fx78bdz20has34v9m6prg01mwqvq4g1-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/4fx78bdz20has34v9m6prg01mwqvq4g1-bcachefs-module-7.0.0-38-generic.drv'...