this derivation will be built:
  /nix/store/pn6qm6y720c662v3wv37ci5z3gxslk92-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/pn6qm6y720c662v3wv37ci5z3gxslk92-bcachefs-module-7.0.0-31-generic.drv'...