src/test/ui/issues/issue-22874.stderr

   1 error[E0277]: the size for values of type `[std::string::String]` cannot be known at compilation time
   2   --> $DIR/issue-22874.rs:12:5
   3    |
   4 LL |     rows: [[String]],
   5    |     ^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
   6    |
   7    = help: the trait `std::marker::Sized` is not implemented for `[std::string::String]`
   8    = note: to learn more, visit <https://doc.rust-lang.org/book/second-edition/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait>
   9    = note: slice and array elements must have `Sized` type
  10
  11 error: aborting due to previous error
  12
  13 For more information about this error, try `rustc --explain E0277`.