From: src/test/compile-fail/E0423.rs E0423 needs a span_label, updating it from: ``` error[E0423]: `Foo` is the name of a struct or struct variant, but this expression uses it like a function name --> src/test/compile-fail/E0423.rs:14:13 | 14 | let f = Foo(); //~ ERROR E0423 | ^^^ | = help: did you mean to write: `Foo { /* fields */ }`? ``` To: ``` error[E0423]: `Foo` is the name of a struct or struct variant, but this expression uses it like a function name --> src/test/compile-fail/E0423.rs:14:13 | 14 | let f = Foo(); //~ ERROR E0423 | ^^^ struct called like a function | = help: did you mean to write: `Foo { /* fields */ }`? ```