this derivation will be built:
  /nix/store/dyg952i5j9kfdfyanpqrihalynd5nwqf-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/dyg952i5j9kfdfyanpqrihalynd5nwqf-bcachefs-module-7.0.0-39-generic.drv'...