this derivation will be built:
  /nix/store/4q5ikzd526606m50g6al0h9hc81lhalk-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/4q5ikzd526606m50g6al0h9hc81lhalk-bcachefs-module-7.0.0-31-generic.drv'...