this derivation will be built:
  /nix/store/cy2131p3jshwqwfw15r952b201j07x7k-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/cy2131p3jshwqwfw15r952b201j07x7k-bcachefs-module-7.0.0-34-generic.drv'...