this derivation will be built:
  /nix/store/51007rsrnh00w3ma3i9civ1nmx4ln3av-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/51007rsrnh00w3ma3i9civ1nmx4ln3av-bcachefs-module-7.0.0-39-generic.drv'...