2 fixes, to make it run

src/core/instance/mod.rs

@@ -460,7 +460,7 @@ impl Instance {
 
         #[cfg(feature = "wasm-target")]
         {
-            console_log!("in instance::spawn with wasm target")
+            //console_log!("in instance::spawn with wasm target")
         }
         //NOT WELL SUPPORTED
         //crate::platform::wasm::wasm_spawn(to_spawn)?;

src/platform/wasm/mod.rs

@@ -55,7 +55,7 @@ static ALLOC: wee_alloc::WeeAlloc = wee_alloc::WeeAlloc::INIT;
 pub fn wasm_instance_init(instance: &mut Instance) -> MizeResult<()> {
     console_log!("Hello world from wasm_instance_init!!!!!!!!!!");
 
-    eval("window.mize.mod = {}")?;
+    eval("window.mize.mod = {}").map_err(|_| mize_err!("failed to set window.mize.mod to an empty object"))?;
 
     Ok(())
 }