error[E0277]: `Helper<'a, T>` is not an iterator --> $DIR/inherent-bound-in-probe.rs:38:21 | LL | type IntoIter = Helper<'a, T>; | ^^^^^^^^^^^^^ `Helper<'a, T>` is not an iterator | = help: the trait `Iterator` is not implemented for `Helper<'a, T>` note: required by a bound in `std::iter::IntoIterator::IntoIter` --> $SRC_DIR/core/src/iter/traits/collect.rs:LL:COL error[E0275]: overflow evaluating the requirement `&_: IntoIterator` --> $DIR/inherent-bound-in-probe.rs:42:9 | LL | Helper::new(&self.0) | ^^^^^^ | = help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`inherent_bound_in_probe`) note: required for `&BitReaderWrapper<_>` to implement `IntoIterator` --> $DIR/inherent-bound-in-probe.rs:32:13 | LL | impl<'a, T> IntoIterator for &'a BitReaderWrapper | ^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^ LL | where LL | &'a T: IntoIterator, | ------------- unsatisfied trait bound introduced here = note: 126 redundant requirements hidden = note: required for `&BitReaderWrapper>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>` to implement `IntoIterator` note: required by a bound in `Helper` --> $DIR/inherent-bound-in-probe.rs:16:12 | LL | struct Helper<'a, T> | ------ required by a bound in this struct LL | where LL | &'a T: IntoIterator, | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Helper` error: aborting due to 2 previous errors Some errors have detailed explanations: E0275, E0277. For more information about an error, try `rustc --explain E0275`.