1error: expected attribute arguments in parentheses: `pin(...)` 2 --> tests/ui/pin_project/add-attr-to-struct.rs:9:1 3 | 49 | #[add_pin_attr(struct)] //~ ERROR expected attribute arguments in parentheses 5 | ^^^^^^^^^^^^^^^^^^^^^^^ 6 | 7 = note: this error originates in the attribute macro `add_pin_attr` (in Nightly builds, run with -Z macro-backtrace for more info) 8 9error: #[pin] attribute may only be used on fields of structs or variants 10 --> tests/ui/pin_project/add-attr-to-struct.rs:15:1 11 | 1215 | #[add_pin_attr(struct)] //~ ERROR #[pin] attribute may only be used on fields of structs or variants 13 | ^^^^^^^^^^^^^^^^^^^^^^^ 14 | 15 = note: this error originates in the attribute macro `add_pin_attr` (in Nightly builds, run with -Z macro-backtrace for more info) 16