this derivation will be built:
  /nix/store/7r52cn51cy377d1b1qc719vas2c5q06q-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/7r52cn51cy377d1b1qc719vas2c5q06q-bcachefs-module-7.0.0-39-generic.drv'...