this derivation will be built:
  /nix/store/dl82nvr1wwq7r9z99bdqfj9xfkx440bw-bcachefs-module-7.0.0-38-generic-64k.drv
building '/nix/store/dl82nvr1wwq7r9z99bdqfj9xfkx440bw-bcachefs-module-7.0.0-38-generic-64k.drv'...