this derivation will be built:
  /nix/store/k71xjqpi4abxf5sf73rin31mg1fqpsjr-bcachefs-module-7.0.0-27-generic.drv
building '/nix/store/k71xjqpi4abxf5sf73rin31mg1fqpsjr-bcachefs-module-7.0.0-27-generic.drv'...