this derivation will be built:
  /nix/store/smal4pa7vksjrgj84axn633255vqsdck-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/smal4pa7vksjrgj84axn633255vqsdck-bcachefs-module-7.0.0-34-generic.drv'...