this derivation will be built:
  /nix/store/2flf8sqsxiwz70f0v5mqrf8qyjj7gi4k-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/2flf8sqsxiwz70f0v5mqrf8qyjj7gi4k-bcachefs-module-7.0.0-38-generic.drv'...