|  | error[E0433]: failed to resolve: use of undeclared type `HashMap` | 
|  | --> $DIR/use_suggestion.rs:2:14 | 
|  | | | 
|  | LL |     let x1 = HashMap::new(); | 
|  | |              ^^^^^^^ use of undeclared type `HashMap` | 
|  | | | 
|  | help: consider importing this struct | 
|  | | | 
|  | LL + use std::collections::HashMap; | 
|  | | | 
|  |  | 
|  | error[E0412]: cannot find type `HashMap` in this scope | 
|  | --> $DIR/use_suggestion.rs:5:13 | 
|  | | | 
|  | LL |     let y1: HashMap; | 
|  | |             ^^^^^^^ not found in this scope | 
|  | | | 
|  | help: consider importing this struct | 
|  | | | 
|  | LL + use std::collections::HashMap; | 
|  | | | 
|  |  | 
|  | error[E0412]: cannot find type `GooMap` in this scope | 
|  | --> $DIR/use_suggestion.rs:6:13 | 
|  | | | 
|  | LL |     let y2: GooMap; | 
|  | |             ^^^^^^ not found in this scope | 
|  |  | 
|  | error[E0433]: failed to resolve: use of undeclared type `GooMap` | 
|  | --> $DIR/use_suggestion.rs:3:14 | 
|  | | | 
|  | LL |     let x2 = GooMap::new(); | 
|  | |              ^^^^^^ use of undeclared type `GooMap` | 
|  |  | 
|  | error: aborting due to 4 previous errors | 
|  |  | 
|  | Some errors have detailed explanations: E0412, E0433. | 
|  | For more information about an error, try `rustc --explain E0412`. |