error: `cfg` predicate is not specified --> $DIR/doc-cfg.rs:3:7 | LL | #[doc(cfg(), cfg(foo, bar))] | ^^^^^ error: multiple `cfg` predicates are specified --> $DIR/doc-cfg.rs:3:23 | LL | #[doc(cfg(), cfg(foo, bar))] | ^^^ error: `cfg` predicate is not specified --> $DIR/doc-cfg.rs:7:7 | LL | #[doc(cfg())] | ^^^^^ error: multiple `cfg` predicates are specified --> $DIR/doc-cfg.rs:8:16 | LL | #[doc(cfg(foo, bar))] | ^^^ error: aborting due to 4 previous errors