diff --git a/Makefile b/Makefile
index a9e37da..f38f10e 100644
--- a/Makefile
+++ b/Makefile
@@ -8,7 +8,7 @@ bench:
 	@$(CARGO) bench
 
 build:
-	@env TERM=xterm-256color $(CARGO) build --color=always 2>&1
+	@env TERM=xterm-256color $(CARGO) build --color=always 2>&1; $(CARGO) build 2> cargo.out 1>/dev/null
 
 check: build test