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