|  | error[E0130]: patterns aren't allowed in foreign function declarations | 
|  | --> $DIR/no-patterns-in-args.rs:2:11 | 
|  | | | 
|  | LL |     fn f1(mut arg: u8); | 
|  | |           ^^^^^^^ pattern not allowed in foreign function | 
|  |  | 
|  | error[E0130]: patterns aren't allowed in foreign function declarations | 
|  | --> $DIR/no-patterns-in-args.rs:3:11 | 
|  | | | 
|  | LL |     fn f2(&arg: u8); | 
|  | |           ^^^^ pattern not allowed in foreign function | 
|  |  | 
|  | error[E0130]: patterns aren't allowed in foreign function declarations | 
|  | --> $DIR/no-patterns-in-args.rs:4:11 | 
|  | | | 
|  | LL |     fn f3(arg @ _: u8); | 
|  | |           ^^^^^^^ pattern not allowed in foreign function | 
|  |  | 
|  | error[E0561]: patterns aren't allowed in function pointer types | 
|  | --> $DIR/no-patterns-in-args.rs:10:14 | 
|  | | | 
|  | LL | type A1 = fn(mut arg: u8); | 
|  | |              ^^^^^^^ | 
|  |  | 
|  | error[E0561]: patterns aren't allowed in function pointer types | 
|  | --> $DIR/no-patterns-in-args.rs:11:14 | 
|  | | | 
|  | LL | type A2 = fn(&arg: u8); | 
|  | |              ^^^^ | 
|  |  | 
|  | error: aborting due to 5 previous errors | 
|  |  | 
|  | Some errors have detailed explanations: E0130, E0561. | 
|  | For more information about an error, try `rustc --explain E0130`. |