misleading help message for ambiguous numeric type in for loop over a range

[HugoArts]

The following code (playground):

for i in 0..100 {
    println!("{}", i.pow(2));
}

fails to compile. The error message correctly points to the problem but the help message's suggestion is a syntax error:

error[E0689]: can't call method `pow` on ambiguous numeric type `{integer}`
 --> src/main.rs:3:26
  |
3 |         println!("{}", i.pow(2));
  |                          ^^^
help: you must specify a type for this binding, like `i32`
  |
2 |     for i: i32 in 0..100 {
  |         ^^^^^^

Following the suggestion leads to another compile error (missing 'in' in for loop). Usually the correct solution in this case is to add the type to the range (0i32..100).