LL | #[derive(Copy="bad")]
| ^ expected one of `)`, `,`, or `::` here
-warning: empty trait list in `derive`
+error: malformed `derive` attribute input
--> $DIR/malformed-derive-entry.rs:7:1
|
-LL | #[derive()]
- | ^^^^^^^^^^^
-
-error: attribute must be of the form `#[derive(Trait1, Trait2, ...)]`
- --> $DIR/malformed-derive-entry.rs:10:1
- |
LL | #[derive]
- | ^^^^^^^^^
+ | ^^^^^^^^^ help: missing traits to be derived: `#[derive(Trait1, Trait2, ...)]`
error: aborting due to 3 previous errors