THRIFT-4456: quiet haxelib the right way
diff --git a/build/docker/ubuntu-xenial/Dockerfile b/build/docker/ubuntu-xenial/Dockerfile
index acf3d12..d8b43f5 100644
--- a/build/docker/ubuntu-xenial/Dockerfile
+++ b/build/docker/ubuntu-xenial/Dockerfile
@@ -156,7 +156,7 @@
neko-dev \
libneko0 && \
haxelib setup --always /usr/share/haxe/lib && \
- haxelib install --quiet --always hxcpp 3.4.64
+ haxelib install --always hxcpp 3.4.64 2>&1 > /dev/null
# note: hxcpp 3.4.185 (latest) no longer ships static libraries, and caused a build failure
RUN apt-get install -y --no-install-recommends \