1error[E0599]: no method named `FIRST_ARG_MUST_EITHER_BE_Span_OR_IMPLEMENT_ToTokens_OR_BE_SpanRange` found for reference `&Foo` in the current scope
2 --> $DIR/misuse.rs:8:5
3  |
44 | struct Foo;
5  | ----------- doesn't satisfy `Foo: quote::to_tokens::ToTokens`
6...
78 |     abort!(Foo, "BOOM");
8  |     ^^^^^^^^^^^^^^^^^^^^ method not found in `&Foo`
9  |
10  = note: the method `FIRST_ARG_MUST_EITHER_BE_Span_OR_IMPLEMENT_ToTokens_OR_BE_SpanRange` exists but the following trait bounds were not satisfied:
11          `Foo: quote::to_tokens::ToTokens`
12          which is required by `&Foo: proc_macro_error::__export::ToTokensAsSpanRange`
13  = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
14