this derivation will be built:
  /nix/store/q2gi2mz5q7c93mv7cpdxki9mah13fqfy-bcachefs-module-7.0.0-27-generic.drv
building '/nix/store/q2gi2mz5q7c93mv7cpdxki9mah13fqfy-bcachefs-module-7.0.0-27-generic.drv'...