1 files changed, 7 insertions, 7 deletions
diff --git a/tests/struct.rs b/tests/struct.rs
index 415c2dc..9845278 100644
--- a/tests/struct.rs
+++ b/tests/struct.rs
@@ -9,22 +9,22 @@ pub struct Configuration {
 }
 
 impl BuildableCollection for Configuration {
-    fn builder<B>(_backend: B) -> Box<dyn CollectionBuilder<Output = Self>>
-        where B: Backend
+    fn builder<B>(backend: B) -> Box<dyn CollectionBuilder<Output = Self>>
+        where B: 'static + Backend
     {
-        Box::new(ConfigStructBuilder)
+        Box::new(ConfigStructBuilder(backend.clone()))
     }
 }
 
-pub struct ConfigStructBuilder;
-impl CollectionBuilder for ConfigStructBuilder {
+pub struct ConfigStructBuilder<B: Backend>(B);
+impl<B: 'static + Backend> CollectionBuilder for ConfigStructBuilder<B> {
     type Output = Configuration;
 
     fn build_collection(&self, value_desc: &str) -> Result<Self::Output> {
         println!("Building {}", value_desc);
 
-        let verbose = bool::builder(DummyBackend).build_value(value_desc)?;
-        let values = Vec::<u8>::builder(DummyBackend).build_collection(value_desc)?;
+        let verbose = bool::builder(self.0).build_value(value_desc)?;
+        let values = Vec::<u8>::builder(self.0).build_collection(value_desc)?;
 
         Ok(Configuration {
             verbose,