this derivation will be built:
  /nix/store/l6b3iqg3jcsz7crcg6spb0jfkm02lnyb-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/l6b3iqg3jcsz7crcg6spb0jfkm02lnyb-bcachefs-module-7.0.0-29-generic.drv'...