 
   /// Test the libSwiftScan dependency scanning.
   func testDependencyScanning() throws {
-    let (_, _, toolchain, hostTriple) = try getDriverArtifactsForScanning()
+    let (stdlibPath, shimsPath, toolchain, hostTriple) = try getDriverArtifactsForScanning()
 
     // The dependency oracle wraps an instance of libSwiftScan and ensures thread safety across
     // queries.

        return (sdkroot
                  .appending(component: "usr")
                  .appending(component: "lib")
                  .appending(component: "swift"),
                sdkroot
                  .appending(component: "usr")
                  .appending(component: "lib")


  /// Test the libSwiftScan dependency scanning.
  func testDependencyScanReuseCache() throws {
    let (stdlibPath, shimsPath, toolchain, hostTriple) = try getDriverArtifactsForScanning()
    try withTemporaryDirectory { path in
      let cacheSavePath = path.appending(component: "saved.moddepcache")
      let main = path.appending(component: "testDependencyScanning.swift")
