error[E0277]: the trait bound `Ipv4Addr: ToTokens` is not satisfied --> tests/ui/not-quotable.rs:6:13 | 6 | let _ = quote! { #ip }; | ^^^^^^^^^^^^^^ the trait `ToTokens` is not implemented for `Ipv4Addr` | = note: this error originates in the macro `$crate::quote_token_with_context` (in Nightly builds, run with -Z macro-backtrace for more info)