this derivation will be built:
  /nix/store/7b43xnw3mz7763091ii1ikjzs7jvi67y-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/7b43xnw3mz7763091ii1ikjzs7jvi67y-bcachefs-module-7.0.0-31-generic.drv'...