1 error: you are iterating over `Iterator::next()` which is an Option; this will compile but is probably not what you want
2 --> $DIR/for_loop_unfixable.rs:21:15
4 LL | for _v in vec.iter().next() {}
7 = note: `-D clippy::iter-next-loop` implied by `-D warnings`
9 error: aborting due to previous error