this derivation will be built:
  /nix/store/ffzdp3hlvswy2hn9kp8gs23y51pqvwqp-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/ffzdp3hlvswy2hn9kp8gs23y51pqvwqp-bcachefs-module-7.0.0-38-generic.drv'...