this derivation will be built:
  /nix/store/qgkbi8bml2afwb6xixxm4p64zqx03j7v-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/qgkbi8bml2afwb6xixxm4p64zqx03j7v-bcachefs-module-7.0.0-38-generic.drv'...