use nightly for frontend only

Author: Rett Berg

build.rs

@@ -83,6 +83,7 @@ fn build_frontend() {
     let status = Command::new("cargo")
         .current_dir(FRONTEND.as_path())
         .args(&[
+            "+nightly",
             "web",
             "deploy",
             "--release",

tests/data_raw_names.rs

@@ -1,7 +1,9 @@
 //! Unit/Fuzz Tests:
 //! - #TST-unit.raw_name
 //! - #TST-fuzz.raw_name
+extern crate ergo;
 extern crate artifact_test;
+use ergo::*;
 use artifact_test::artifact_data::raw_names::NamesRaw;
 use artifact_test::raw_names::*;
 use artifact_test::*;