this derivation will be built:
  /nix/store/7g9inyrq5zbk0nla5867qgybpfqw3fpr-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/7g9inyrq5zbk0nla5867qgybpfqw3fpr-bcachefs-module-7.0.0-39-generic.drv'...