error[E0277]: the size for values of type `U` cannot be known at compilation time
  --> $DIR/trait-suggest-where-clause.rs:17:5
   |
LL |     mem::size_of::<U>();
   |     ^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
   |
   = help: the trait `std::marker::Sized` is not implemented for `U`
   = note: to learn more, visit <https://doc.rust-lang.org/book/second-edition/ch19-04-advanced-types.html#dynamically-sized-types-and-sized>
   = help: consider adding a `where U: std::marker::Sized` bound
   = note: required by `std::mem::size_of`

error[E0277]: the size for values of type `U` cannot be known at compilation time
  --> $DIR/trait-suggest-where-clause.rs:20:5
   |
LL |     mem::size_of::<Misc<U>>();
   |     ^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
   |
   = help: within `Misc<U>`, the trait `std::marker::Sized` is not implemented for `U`
   = note: to learn more, visit <https://doc.rust-lang.org/book/second-edition/ch19-04-advanced-types.html#dynamically-sized-types-and-sized>
   = help: consider adding a `where U: std::marker::Sized` bound
   = note: required because it appears within the type `Misc<U>`
   = note: required by `std::mem::size_of`

error[E0277]: the trait bound `u64: std::convert::From<T>` is not satisfied
  --> $DIR/trait-suggest-where-clause.rs:25:5
   |
LL |     <u64 as From<T>>::from;
   |     ^^^^^^^^^^^^^^^^^^^^^^ the trait `std::convert::From<T>` is not implemented for `u64`
   |
   = help: consider adding a `where u64: std::convert::From<T>` bound
   = note: required by `std::convert::From::from`

error[E0277]: the trait bound `u64: std::convert::From<<T as std::iter::Iterator>::Item>` is not satisfied
  --> $DIR/trait-suggest-where-clause.rs:28:5
   |
LL |     <u64 as From<<T as Iterator>::Item>>::from;
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::convert::From<<T as std::iter::Iterator>::Item>` is not implemented for `u64`
   |
   = help: consider adding a `where u64: std::convert::From<<T as std::iter::Iterator>::Item>` bound
   = note: required by `std::convert::From::from`

error[E0277]: the trait bound `Misc<_>: std::convert::From<T>` is not satisfied
  --> $DIR/trait-suggest-where-clause.rs:33:5
   |
LL |     <Misc<_> as From<T>>::from;
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::convert::From<T>` is not implemented for `Misc<_>`
   |
   = note: required by `std::convert::From::from`

error[E0277]: the size for values of type `[T]` cannot be known at compilation time
  --> $DIR/trait-suggest-where-clause.rs:38:5
   |
LL |     mem::size_of::<[T]>();
   |     ^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
   |
   = help: the trait `std::marker::Sized` is not implemented for `[T]`
   = note: to learn more, visit <https://doc.rust-lang.org/book/second-edition/ch19-04-advanced-types.html#dynamically-sized-types-and-sized>
   = note: required by `std::mem::size_of`

error[E0277]: the size for values of type `[&U]` cannot be known at compilation time
  --> $DIR/trait-suggest-where-clause.rs:41:5
   |
LL |     mem::size_of::<[&U]>();
   |     ^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
   |
   = help: the trait `std::marker::Sized` is not implemented for `[&U]`
   = note: to learn more, visit <https://doc.rust-lang.org/book/second-edition/ch19-04-advanced-types.html#dynamically-sized-types-and-sized>
   = note: required by `std::mem::size_of`

error: aborting due to 7 previous errors

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