CI: dump env for testing purposes

Signed-off-by: Kumar Gala <[email protected]>

.shippable.yml

@@ -25,6 +25,7 @@ build:
         options: "-e HOME=/home/buildslave --privileged=true --tty --net=bridge --user buildslave"
 
     ci:
+      - env
       - export CCACHE_DIR=${SHIPPABLE_BUILD_DIR}/ccache/.ccache
       - export COMMIT_RANGE=${SHIPPABLE_COMMIT_RANGE}
       - echo ${SHIPPABLE_COMMIT_RANGE}