diff --git a/infra/base-images/base-builder/compile b/infra/base-images/base-builder/compile
index 129dec3f8425..6882e179091e 100755
--- a/infra/base-images/base-builder/compile
+++ b/infra/base-images/base-builder/compile
@@ -144,6 +144,7 @@ echo "CC=$CC"
 echo "CXX=$CXX"
 echo "CFLAGS=$CFLAGS"
 echo "CXXFLAGS=$CXXFLAGS"
+echo "RUSTFLAGS=$RUSTFLAGS"
 echo "---------------------------------------------------------------"
 
 BUILD_CMD="bash -eux $SRC/build.sh"