48 fn mismatch(line: u32) -> ! {  in mismatch()  function
118             TokenStream::Fallback(_) => mismatch(line!()),  in unwrap_nightly()
124             TokenStream::Compiler(_) => mismatch(line!()),  in unwrap_stable()
212                     TokenStream::Fallback(_) => mismatch(line!()),  in from_iter()
219                     TokenStream::Compiler(_) => mismatch(line!()),  in from_iter()
407             (Span::Compiler(_), Span::Fallback(_)) => mismatch(line!()),  in resolved_at()
408             (Span::Fallback(_), Span::Compiler(_)) => mismatch(line!()),  in resolved_at()
416             (Span::Compiler(_), Span::Fallback(_)) => mismatch(line!()),  in located_at()
417             (Span::Fallback(_), Span::Compiler(_)) => mismatch(line!()),  in located_at()
524             Span::Fallback(_) => mismatch(line!()),  in unwrap_nightly()
627             (Group::Compiler(_), Span::Fallback(_)) => mismatch(line!()),  in set_span()
628             (Group::Fallback(_), Span::Compiler(_)) => mismatch(line!()),  in set_span()
635             Group::Fallback(_) => mismatch(line!()),  in unwrap_nightly()
698             (Ident::Compiler(_), Span::Fallback(_)) => mismatch(line!()),  in set_span()
699             (Ident::Fallback(_), Span::Compiler(_)) => mismatch(line!()),  in set_span()
706             Ident::Fallback(_) => mismatch(line!()),  in unwrap_nightly()
722             (Ident::Compiler(_), Ident::Fallback(_)) => mismatch(line!()),  in eq()
723             (Ident::Fallback(_), Ident::Compiler(_)) => mismatch(line!()),  in eq()
930             (Literal::Compiler(_), Span::Fallback(_)) => mismatch(line!()),  in set_span()
931             (Literal::Fallback(_), Span::Compiler(_)) => mismatch(line!()),  in set_span()
948             Literal::Fallback(_) => mismatch(line!()),  in unwrap_nightly()