THRIFT-4456: add --quiet to haxelib install so build log is not as huge
diff --git a/build/docker/ubuntu-artful/Dockerfile b/build/docker/ubuntu-artful/Dockerfile
index a5439a0..7faf5e0 100644
--- a/build/docker/ubuntu-artful/Dockerfile
+++ b/build/docker/ubuntu-artful/Dockerfile
@@ -152,7 +152,7 @@
 #       neko \
 #       neko-dev
 # RUN haxelib setup --always /usr/share/haxe/lib && \
-#     haxelib install --always hxcpp
+#     haxelib install --quiet --always hxcpp
 
 RUN apt-get install -y --no-install-recommends \
 `# Java dependencies` \