error: recursive delegation is not supported yet --> $DIR/ice-issue-124347.rs:6:18 | LL | reuse Trait::foo { &self.0 } | ^^^ callee defined here error[E0391]: cycle detected when computing generics of `foo` --> $DIR/ice-issue-124347.rs:10:7 | LL | reuse foo; | ^^^ | = note: ...which immediately requires computing generics of `foo` again note: cycle used when checking that `foo` is well-formed --> $DIR/ice-issue-124347.rs:10:7 | LL | reuse foo; | ^^^ = note: see https://rustc-dev-guide.rust-lang.org/overview.html#queries and https://rustc-dev-guide.rust-lang.org/query.html for more information error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0391`.