error[E0277]: a value of type `i32` cannot be built from an iterator over elements of type `i32`
  --> $DIR/type-check-defaults.rs:6:23
   |
LL | struct WellFormed<Z = Foo<i32, i32>>(Z);
   |                       ^^^^^^^^^^^^^ value of type `i32` cannot be built from `std::iter::Iterator<Item=i32>`
   |
   = help: the trait `FromIterator<i32>` is not implemented for `i32`
note: required by a bound in `Foo`
  --> $DIR/type-check-defaults.rs:5:18
   |
LL | struct Foo<T, U: FromIterator<T>>(T, U);
   |                  ^^^^^^^^^^^^^^^ required by this bound in `Foo`

error[E0277]: a value of type `i32` cannot be built from an iterator over elements of type `i32`
  --> $DIR/type-check-defaults.rs:8:38
   |
LL | struct WellFormedNoBounds<Z:?Sized = Foo<i32, i32>>(Z);
   |                                      ^^^^^^^^^^^^^ value of type `i32` cannot be built from `std::iter::Iterator<Item=i32>`
   |
   = help: the trait `FromIterator<i32>` is not implemented for `i32`
note: required by a bound in `Foo`
  --> $DIR/type-check-defaults.rs:5:18
   |
LL | struct Foo<T, U: FromIterator<T>>(T, U);
   |                  ^^^^^^^^^^^^^^^ required by this bound in `Foo`

error[E0277]: the trait bound `String: Copy` is not satisfied
  --> $DIR/type-check-defaults.rs:11:17
   |
LL | struct Bounds<T:Copy=String>(T);
   |                 ^^^^ the trait `Copy` is not implemented for `String`

error[E0277]: the trait bound `String: Copy` is not satisfied
  --> $DIR/type-check-defaults.rs:14:42
   |
LL | struct WhereClause<T=String>(T) where T: Copy;
   |                                          ^^^^ the trait `Copy` is not implemented for `String`

error[E0277]: the trait bound `String: Copy` is not satisfied
  --> $DIR/type-check-defaults.rs:17:20
   |
LL | trait TraitBound<T:Copy=String> {}
   |                    ^^^^ the trait `Copy` is not implemented for `String`

error[E0277]: the trait bound `T: Copy` is not satisfied
  --> $DIR/type-check-defaults.rs:21:25
   |
LL | trait Base<T = String>: Super<T> { }
   |                         ^^^^^^^^ the trait `Copy` is not implemented for `T`
   |
note: required by a bound in `Super`
  --> $DIR/type-check-defaults.rs:20:16
   |
LL | trait Super<T: Copy> { }
   |                ^^^^ required by this bound in `Super`
help: consider further restricting type parameter `T`
   |
LL | trait Base<T = String>: Super<T> where T: std::marker::Copy { }
   |                                  ++++++++++++++++++++++++++

error[E0277]: cannot add `u8` to `i32`
  --> $DIR/type-check-defaults.rs:24:66
   |
LL | trait ProjectionPred<T:Iterator = IntoIter<i32>> where T::Item : Add<u8> {}
   |                                                                  ^^^^^^^ no implementation for `i32 + u8`
   |
   = help: the trait `Add<u8>` is not implemented for `i32`
   = help: the following other types implement trait `Add<Rhs>`:
             <&'a f32 as Add<f32>>
             <&'a f64 as Add<f64>>
             <&'a i128 as Add<i128>>
             <&'a i16 as Add<i16>>
             <&'a i32 as Add<i32>>
             <&'a i64 as Add<i64>>
             <&'a i8 as Add<i8>>
             <&'a isize as Add<isize>>
           and 48 others

error: aborting due to 7 previous errors

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