this derivation will be built:
  /nix/store/9ln4x21kxh90z621iaf21c8mm4sjglnf-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/9ln4x21kxh90z621iaf21c8mm4sjglnf-bcachefs-module-7.0.0-31-generic.drv'...