diff --git a/src/runtime2/tests/speculation_basic.rs b/src/runtime2/tests/speculation_basic.rs
index c8522eb56d65352763b2e2f4f57dc142517fde7e..ff1d8d0b1111ff2e7764063380bc3921b0ff2b65 100644
--- a/src/runtime2/tests/speculation_basic.rs
+++ b/src/runtime2/tests/speculation_basic.rs
@@ -49,21 +49,21 @@ fn test_maybe_do_nothing() {
         api.create_connector("", "only_puts", ValueGroup::new_stack(vec![
             Value::Output(PortId::new(channel.putter_id.index)),
             Value::UInt32(NUM_LOOPS),
-        ]));
+        ])).unwrap();
         api.create_connector("", "might_get", ValueGroup::new_stack(vec![
             Value::Input(PortId::new(channel.getter_id.index)),
             Value::UInt32(NUM_LOOPS),
-        ]));
+        ])).unwrap();
 
         // maybe putting -> only getting
         let channel = api.create_channel().unwrap();
         api.create_connector("", "might_put", ValueGroup::new_stack(vec![
             Value::Output(PortId::new(channel.putter_id.index)),
             Value::UInt32(NUM_LOOPS),
-        ]));
+        ])).unwrap();
         api.create_connector("", "only_gets", ValueGroup::new_stack(vec![
             Value::Input(PortId::new(channel.getter_id.index)),
             Value::UInt32(NUM_LOOPS),
-        ]));
+        ])).unwrap();
     })
 }
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