diff --git a/tools/ide_query/cc_analyzer/analyzer.cc b/tools/ide_query/cc_analyzer/analyzer.cc
index 8cc07e81ba..bb7ca0b5bc 100644
--- a/tools/ide_query/cc_analyzer/analyzer.cc
+++ b/tools/ide_query/cc_analyzer/analyzer.cc
@@ -117,7 +117,7 @@ llvm::Expected<std::unique_ptr<clang::tooling::CompilationDatabase>> LoadCompDB(
       result.mutable_status()->set_code(::ide_query::Status::FAILURE);
       result.mutable_status()->set_message("Command working dir " +
                                            working_dir.str() +
-                                           "outside repository " + repo_dir);
+                                           " outside repository " + repo_dir);
       continue;
     }
     working_dir = working_dir.ltrim('/');
diff --git a/tools/ide_query/ide_query.go b/tools/ide_query/ide_query.go
index 9602ac8f48..50264fd180 100644
--- a/tools/ide_query/ide_query.go
+++ b/tools/ide_query/ide_query.go
@@ -121,7 +121,7 @@ func main() {
 		log.Fatalf("Failed to query cc targets: %v", *status.Message)
 	}
 	toMake = append(toMake, ccTargets...)
-	fmt.Printf("Running make for modules: %v\n", strings.Join(toMake, ", "))
+	fmt.Fprintf(os.Stderr, "Running make for modules: %v\n", strings.Join(toMake, ", "))
 	if err := runMake(ctx, env, toMake...); err != nil {
 		log.Printf("Building deps failed: %v", err)
 	}
@@ -136,13 +136,13 @@ func main() {
 		log.Fatalf("Failed to marshal result proto: %v", err)
 	}
 
-	err = os.WriteFile(path.Join(env.RepoDir, env.OutDir, "ide_query.pb"), data, 0644)
+	_, err = os.Stdout.Write(data)
 	if err != nil {
 		log.Fatalf("Failed to write result proto: %v", err)
 	}
 
 	for _, s := range res.Sources {
-		fmt.Printf("%s: %v (Deps: %d, Generated: %d)\n", s.GetPath(), s.GetStatus(), len(s.GetDeps()), len(s.GetGenerated()))
+		fmt.Fprintf(os.Stderr, "%s: %v (Deps: %d, Generated: %d)\n", s.GetPath(), s.GetStatus(), len(s.GetDeps()), len(s.GetGenerated()))
 	}
 }
 
@@ -312,7 +312,7 @@ func runMake(ctx context.Context, env Env, modules ...string) error {
 	args = append(args, modules...)
 	cmd := exec.CommandContext(ctx, "build/soong/soong_ui.bash", args...)
 	cmd.Dir = env.RepoDir
-	cmd.Stdout = os.Stdout
+	cmd.Stdout = os.Stderr
 	cmd.Stderr = os.Stderr
 	return cmd.Run()
 }