error: no rules expected the token `}` --> $DIR/unsupported.rs:4:21 | 4 | struct Struct1 {} //~ ERROR no rules expected the token `}` | ^ no rules expected this token in macro call error: no rules expected the token `(` --> $DIR/unsupported.rs:8:19 | 8 | struct Struct2(); //~ ERROR no rules expected the token `(` | ^ no rules expected this token in macro call error: no rules expected the token `;` --> $DIR/unsupported.rs:12:19 | 12 | struct Struct3; //~ ERROR no rules expected the token `;` | ^ no rules expected this token in macro call error: no rules expected the token `enum` --> $DIR/unsupported.rs:16:5 | 16 | enum Enum { //~ ERROR no rules expected the token `enum` | ^^^^ no rules expected this token in macro call error: no rules expected the token `union` --> $DIR/unsupported.rs:22:5 | 22 | union Union { //~ ERROR no rules expected the token `union` | ^^^^^ no rules expected this token in macro call