Report correct unsupported crate type for the dummy codegen backend

Author: bjorn3

compiler/rustc_interface/src/util.rs

@@ -388,17 +388,17 @@ impl CodegenBackend for DummyCodegenBackend {
     ) {
         // JUSTIFICATION: TyCtxt no longer available here
         #[allow(rustc::bad_opt_access)]
-        if codegen_results
+        if let Some(&crate_type) = codegen_results
             .crate_info
             .crate_types
             .iter()
-            .any(|&crate_type| crate_type != CrateType::Rlib)
+            .find(|&&crate_type| crate_type != CrateType::Rlib)
         {
             #[allow(rustc::untranslatable_diagnostic)]
             #[allow(rustc::diagnostic_outside_of_impl)]
             sess.dcx().fatal(format!(
                 "crate type {} not supported by the dummy codegen backend",
-                codegen_results.crate_info.crate_types[0],
+                crate_type,
             ));
         }