Bug 1432392 - Switch the spidermonkey rust bindings job to a Debian-based docker image. r=dustin

This job requires cmake, which should be fixed, but in the meanwhile,
create a separate docker image with it installed, based on the image we
use for other spidermonkey builds.

--HG--
extra : rebase_source : da43a7999b6bd86dbba816358d907c902415bed4

taskcluster/ci/docker-image/kind.yml

@@ -60,6 +60,11 @@ jobs:
       - deb7-valgrind
     args:
       ARCH: i386
+  debian7-mozjs-rust-build:
+    symbol: I(deb7jsrs)
+    parent: debian7-amd64-build
+    packages:
+      - deb7-cmake
   lint:
     symbol: I(lnt)
   debian9-base:

taskcluster/ci/spidermonkey/linux.yml

@@ -41,7 +41,7 @@ sm-rust-bindings-linux64/debug:
         tier: 2
         platform: linux64/debug
     worker:
-        docker-image: {in-tree: desktop-build}
+        docker-image: {in-tree: debian7-mozjs-rust-build}
     run:
         using: spidermonkey-rust-bindings
         spidermonkey-variant: plain

taskcluster/docker/debian7-mozjs-rust-build/Dockerfile

@@ -0,0 +1,12 @@
+# %ARG DOCKER_IMAGE_PARENT
+FROM $DOCKER_IMAGE_PARENT
+MAINTAINER Mike Hommey <mhommey@mozilla.com>
+
+VOLUME /builds/worker/checkouts
+VOLUME /builds/worker/workspace
+VOLUME /builds/worker/tooltool-cache
+
+# %ARG DOCKER_IMAGE_PACKAGES
+RUN /usr/local/sbin/setup_packages.sh $DOCKER_IMAGE_PACKAGES && \
+    apt-get update && \
+    apt-get install cmake