this derivation will be built:
  /nix/store/vgzlkfhprg0z8awlyd6z124q2c2v9s2p-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/vgzlkfhprg0z8awlyd6z124q2c2v9s2p-bcachefs-module-7.0.0-38-generic.drv'...