this derivation will be built:
  /nix/store/k0cvm48hr7lqfl0vs4c64qx3vm6azy33-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/k0cvm48hr7lqfl0vs4c64qx3vm6azy33-bcachefs-module-7.0.0-30-generic.drv'...