| error[E0369]: cannot add `{integer}` to `std::boxed::Box<isize>` | |
| --> $DIR/issue-14915.rs:6:22 | |
| | | |
| LL | println!("{}", x + 1); | |
| | - ^ - {integer} | |
| | | | |
| | std::boxed::Box<isize> | |
| error: aborting due to previous error | |
| For more information about this error, try `rustc --explain E0369`. |