this derivation will be built:
  /nix/store/b2plcn3br15ncn0fjmxcbxz46gkf79q2-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/b2plcn3br15ncn0fjmxcbxz46gkf79q2-bcachefs-module-7.0.0-38-generic.drv'...