this derivation will be built:
  /nix/store/852fwf0jwrcha3syr9jp00q8rz3g8n10-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/852fwf0jwrcha3syr9jp00q8rz3g8n10-bcachefs-module-7.0.0-31-generic.drv'...