`doc_auto_cfg` was removed in https://github.com/rust-random/rand_core/commit/535244a9032f8614e3e59529bf0f7848d010dc8a but never released. `0.9.3` still causes documentation compilation errors in our `relm4` crate, e.g. https://docs.rs/crate/relm4/latest/builds/2774133. Thank you in advance!