this derivation will be built:
  /nix/store/a7853izyymv32qnca5b00ykq1zi1rba7-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/a7853izyymv32qnca5b00ykq1zi1rba7-bcachefs-module-7.0.0-38-generic.drv'...