error[E0599]: the method `quote_into_iter` exists for struct `Ipv4Addr`, but its trait bounds were not satisfied
    --> tests/ui/not-repeatable.rs:7:13
     |
3    | struct Ipv4Addr;
     | ----------------
     | |
     | method `quote_into_iter` not found for this
     | doesn't satisfy `Ipv4Addr: Iterator`
     | doesn't satisfy `Ipv4Addr: ToTokens`
     | doesn't satisfy `Ipv4Addr: quote::__private::ext::RepIteratorExt`
     | doesn't satisfy `Ipv4Addr: quote::__private::ext::RepToTokensExt`
...
7    |     let _ = quote! { #(#ip)* };
     |             ^^^^^^^^^^^^^^^^^^ method cannot be called on `Ipv4Addr` due to unsatisfied trait bounds
     |
     = note: the following trait bounds were not satisfied:
             `Ipv4Addr: Iterator`
             which is required by `Ipv4Addr: quote::__private::ext::RepIteratorExt`
             `&Ipv4Addr: Iterator`
             which is required by `&Ipv4Addr: quote::__private::ext::RepIteratorExt`
             `Ipv4Addr: ToTokens`
             which is required by `Ipv4Addr: quote::__private::ext::RepToTokensExt`
             `&mut Ipv4Addr: Iterator`
             which is required by `&mut Ipv4Addr: quote::__private::ext::RepIteratorExt`
note: the following traits must be implemented
    --> $RUST/core/src/iter/traits/iterator.rs
     |
     | /  pub trait Iterator {
     | |      /// The type of the elements being iterated over.
     | |      #[stable(feature = "rust1", since = "1.0.0")]
     | |      type Item;
...    |
     | |      }
     | |  }
     | |__^
     |
    ::: src/to_tokens.rs
     |
     |  / pub trait ToTokens {
     |  |     /// Write `self` to the given `TokenStream`.
     |  |     ///
     |  |     /// The token append methods provided by the [`TokenStreamExt`] extension
...     |
     |  |     }
     |  | }
     |  |_^
     = note: this error originates in the macro `$crate::quote_bind_into_iter` (in Nightly builds, run with -Z macro-backtrace for more info)