THRIFT-4456: add --quiet to haxelib install so build log is not as huge
diff --git a/build/docker/ubuntu-xenial/Dockerfile b/build/docker/ubuntu-xenial/Dockerfile
index e06a0c0..a254a14 100644
--- a/build/docker/ubuntu-xenial/Dockerfile
+++ b/build/docker/ubuntu-xenial/Dockerfile
@@ -154,7 +154,7 @@
       neko-dev \
       libneko0
 RUN haxelib setup --always /usr/share/haxe/lib && \
-    haxelib install --always hxcpp 3.4.64
+    haxelib install --quiet --always hxcpp 3.4.64
 # note: hxcpp 3.4.185 (latest) no longer ships static libraries, and caused a build failure
 
 RUN apt-get install -y --no-install-recommends \