error[E0412]: cannot find type `N` in this scope
  --> $DIR/issue-50480.rs:4:12
   |
LL | struct Foo(N, NotDefined, <i32 as Iterator>::Item, Vec<i32>, String);
   |           -^ not found in this scope
   |           |
   |           help: you might be missing a type parameter: `<N>`

error[E0412]: cannot find type `NotDefined` in this scope
  --> $DIR/issue-50480.rs:4:15
   |
LL | struct Foo(N, NotDefined, <i32 as Iterator>::Item, Vec<i32>, String);
   |               ^^^^^^^^^^ not found in this scope

error[E0412]: cannot find type `N` in this scope
  --> $DIR/issue-50480.rs:4:12
   |
LL | struct Foo(N, NotDefined, <i32 as Iterator>::Item, Vec<i32>, String);
   |           -^ not found in this scope
   |           |
   |           help: you might be missing a type parameter: `<N>`

error[E0412]: cannot find type `NotDefined` in this scope
  --> $DIR/issue-50480.rs:4:15
   |
LL | struct Foo(N, NotDefined, <i32 as Iterator>::Item, Vec<i32>, String);
   |           -   ^^^^^^^^^^ not found in this scope
   |           |
   |           help: you might be missing a type parameter: `<NotDefined>`

error[E0412]: cannot find type `N` in this scope
  --> $DIR/issue-50480.rs:13:18
   |
LL | struct Bar<T>(T, N, NotDefined, <i32 as Iterator>::Item, Vec<i32>, String);
   |            -     ^
   |            |
   |            similarly named type parameter `T` defined here
   |
help: a type parameter with a similar name exists
   |
LL | struct Bar<T>(T, T, NotDefined, <i32 as Iterator>::Item, Vec<i32>, String);
   |                  ~
help: you might be missing a type parameter
   |
LL | struct Bar<T, N>(T, N, NotDefined, <i32 as Iterator>::Item, Vec<i32>, String);
   |             +++

error[E0412]: cannot find type `NotDefined` in this scope
  --> $DIR/issue-50480.rs:13:21
   |
LL | struct Bar<T>(T, N, NotDefined, <i32 as Iterator>::Item, Vec<i32>, String);
   |                     ^^^^^^^^^^ not found in this scope

error[E0277]: `i32` is not an iterator
  --> $DIR/issue-50480.rs:1:17
   |
LL | #[derive(Clone, Copy)]
   |                 ^^^^ `i32` is not an iterator
   |
   = help: the trait `Iterator` is not implemented for `i32`
   = note: if you want to iterate between `start` until a value `end`, use the exclusive range syntax `start..end` or the inclusive range syntax `start..=end`
   = note: this error originates in the derive macro `Copy` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0204]: the trait `Copy` may not be implemented for this type
  --> $DIR/issue-50480.rs:1:17
   |
LL | #[derive(Clone, Copy)]
   |                 ^^^^
...
LL | struct Foo(N, NotDefined, <i32 as Iterator>::Item, Vec<i32>, String);
   |                                                    --------  ------ this field does not implement `Copy`
   |                                                    |
   |                                                    this field does not implement `Copy`
   |
   = note: this error originates in the derive macro `Copy` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0277]: `i32` is not an iterator
  --> $DIR/issue-50480.rs:10:17
   |
LL | #[derive(Clone, Copy)]
   |                 ^^^^ `i32` is not an iterator
   |
   = help: the trait `Iterator` is not implemented for `i32`
   = note: if you want to iterate between `start` until a value `end`, use the exclusive range syntax `start..end` or the inclusive range syntax `start..=end`
   = note: this error originates in the derive macro `Copy` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0204]: the trait `Copy` may not be implemented for this type
  --> $DIR/issue-50480.rs:10:17
   |
LL | #[derive(Clone, Copy)]
   |                 ^^^^
...
LL | struct Bar<T>(T, N, NotDefined, <i32 as Iterator>::Item, Vec<i32>, String);
   |                                                          --------  ------ this field does not implement `Copy`
   |                                                          |
   |                                                          this field does not implement `Copy`
   |
   = note: this error originates in the derive macro `Copy` (in Nightly builds, run with -Z macro-backtrace for more info)

error: aborting due to 10 previous errors

Some errors have detailed explanations: E0204, E0277, E0412.
For more information about an error, try `rustc --explain E0204`.