error: invalid `struct` delimiters or `fn` call arguments --> $DIR/issue-34255-1.rs:8:5 | LL | Test::Drill(field: 42); | ^^^^^^^^^^^^^^^^^^^^^^ | help: if `Test::Drill` is a struct, use braces as delimiters | LL | Test::Drill { field: 42 }; | ~ ~ help: if `Test::Drill` is a function, use the arguments directly | LL - Test::Drill(field: 42); LL + Test::Drill(42); | error: aborting due to previous error