diff --git a/build.sh b/build.sh
index a4a37c543735..feeadfc92980 100755
--- a/build.sh
+++ b/build.sh
@@ -18,6 +18,6 @@ $RUSTC mini_core.rs --crate-name mini_core &&
 $RUSTC example.rs &&
 $RUSTC mini_core_hello_world.rs &&
 
-$RUSTC ../target/libcore/src/libcore/lib.rs 2>&1 | (head -n 10; echo "===="; tail -n 1000)
+$RUSTC ../target/libcore/src/libcore/lib.rs --color=always 2>&1 | (head -n 10; echo "===="; tail -n 1000)
 cat ../target/log.txt | sort | uniq -c | grep -v "rval unsize move" | grep -v "rval len"
 rm *.rlib ../target/log.txt