|  | error[E0805]: malformed `used` attribute input | 
|  | --> $DIR/used_with_multi_args.rs:3:1 | 
|  | | | 
|  | LL | #[used(compiler, linker)] | 
|  | | ^^^^^^------------------^ | 
|  | |       | | 
|  | |       expected a single argument here | 
|  | | | 
|  | help: try changing it to one of the following valid forms of the attribute | 
|  | | | 
|  | LL - #[used(compiler, linker)] | 
|  | LL + #[used(compiler)] | 
|  | | | 
|  | LL - #[used(compiler, linker)] | 
|  | LL + #[used(linker)] | 
|  | | | 
|  | LL - #[used(compiler, linker)] | 
|  | LL + #[used] | 
|  | | | 
|  |  | 
|  | error: aborting due to 1 previous error | 
|  |  | 
|  | For more information about this error, try `rustc --explain E0805`. |