THRIFT-3635 D transport_test is flaky on Jenkins and Travis
Client: Test (D)
Patch: Nobuaki Sukegawa

This closes #883
diff --git a/build/docker/debian/Dockerfile b/build/docker/debian/Dockerfile
index b9e1da7..66f48a3 100644
--- a/build/docker/debian/Dockerfile
+++ b/build/docker/debian/Dockerfile
@@ -149,14 +149,12 @@
       mono-xbuild
 
 # D dependencies
-# THRIFT-2916: DMD pinned to 2.065.0-0 due to regression in 2.066
-# THRIFT-3253: DMD pinned to 2.065.0-0 due to deprecations 2.067.1
 RUN apt-get update && apt-get install -y \
       gcc-multilib \
       xdg-utils \
-    && curl -sSL http://downloads.dlang.org/releases/2.x/2.065.0/dmd_2.065.0-0_amd64.deb -o /tmp/dmd_2.065.0-0_amd64.deb && \
-    dpkg -i /tmp/dmd_2.065.0-0_amd64.deb && \
-    rm /tmp/dmd_2.065.0-0_amd64.deb
+    && curl -sSL http://downloads.dlang.org/releases/2.x/2.070.0/dmd_2.070.0-0_amd64.deb -o /tmp/dmd_2.070.0-0_amd64.deb && \
+    dpkg -i /tmp/dmd_2.070.0-0_amd64.deb && \
+    rm /tmp/dmd_2.070.0-0_amd64.deb
 
 # Dart dependencies
 RUN curl https://dl-ssl.google.com/linux/linux_signing_key.pub | apt-key add - && \