error[E0277]: `u8` is not an iterator
  --> $DIR/bound.rs:2:10
   |
LL | struct T(S<u8>);
   |          ^^^^^ `u8` is not an iterator
   |
   = help: the trait `std::iter::Iterator` is not implemented for `u8`
   = note: if you want to iterate between `0` until a value `end`, use the range syntax: `0..end`
note: required by `S`
  --> $DIR/bound.rs:1:1
   |
LL | struct S<I: Iterator>(I);
   | ^^^^^^^^^^^^^^^^^^^^^^^^^

error: aborting due to previous error

For more information about this error, try `rustc --explain E0277`.