Attach nltk and HF caches to docker containers in CI (#4232)

* attach docker volumes for nltk and HF caches

* fix

* formatting

Author: epwalsh

Makefile

@@ -13,7 +13,10 @@ MD_DOCS_EXTRAS = $(addprefix $(MD_DOCS_ROOT),README.md LICENSE.md ROADMAP.md CON
 DOCKER_TAG = latest
 DOCKER_IMAGE_NAME = allennlp/allennlp:$(DOCKER_TAG)
 DOCKER_TEST_IMAGE_NAME = allennlp/test:$(DOCKER_TAG)
-DOCKER_RUN_CMD = docker run --rm -v $$HOME/.allennlp:/root/.allennlp
+DOCKER_RUN_CMD = docker run --rm \
+		-v $$HOME/.allennlp:/root/.allennlp \
+		-v $$HOME/.cache/torch:/root/.cache/torch \
+		-v $$HOME/nltk_data:/root/nltk_data
 
 ifeq ($(shell uname),Darwin)
 	ifeq ($(shell which gsed),)