The entry is under 1.11.0, but the feature is only available since 1.12.0 (for which an identical entry exists).
![Screenshot_2020-03-22 Support `cfg_attr` on `path` attributes by jseyfried · Pull Request #34546 · rust-lang rust](https://user-images.githubusercontent.com/951129/77238862-85c8f580-6bd4-11ea-8d31-77e2994a4b5a.png)