this derivation will be built:
  /nix/store/l4c336k2ibspybn9nc6v982ih2x15mzl-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/l4c336k2ibspybn9nc6v982ih2x15mzl-bcachefs-module-7.0.0-39-generic.drv'...