this derivation will be built:
  /nix/store/b1ihkhsbj7cr46rgb29n6q6y44026b4k-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/b1ihkhsbj7cr46rgb29n6q6y44026b4k-bcachefs-module-7.0.0-31-generic.drv'...