this derivation will be built:
  /nix/store/vkby73bvagx191yy3rw5dql4d5x5mcq8-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/vkby73bvagx191yy3rw5dql4d5x5mcq8-bcachefs-module-7.0.0-31-generic.drv'...