this derivation will be built:
  /nix/store/h7rnazbc76pksi1vrr82nhsf0wxz7xk4-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/h7rnazbc76pksi1vrr82nhsf0wxz7xk4-bcachefs-module-7.0.0-38-generic.drv'...