this derivation will be built:
  /nix/store/sp2nsdd60d32wz25kvc2df7n06yqlaji-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/sp2nsdd60d32wz25kvc2df7n06yqlaji-bcachefs-module-7.0.0-31-generic.drv'...