import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

testing/docker/rust-build/task.json

@@ -0,0 +1,37 @@
+{
+    "provisionerId": "aws-provisioner-v1",
+    "workerType": "rustbuild",
+    "created": "{task_created}",
+    "deadline": "{task_deadline}",
+    "payload": {
+        "image": "quay.io/rust/gecko-rust-build",
+        "env": {
+            "RUST_BRANCH": "{rust_branch}"
+        },
+        "artifacts": {
+            "public/rustc.tar.xz": {
+              "path": "/home/worker/rustc.tar.xz",
+              "expires": "{artifacts_expires}",
+              "type": "file"
+            },
+            "public/manifest.tt": {
+              "path": "/home/worker/manifest.tt",
+              "expires": "{artifacts_expires}",
+              "type": "file"
+            }
+        },
+        "features": {
+          "relengAPIProxy": true
+        },
+        "maxRunTime": 6000
+    },
+    "scopes": [
+      "docker-worker:relengapi-proxy:tooltool.upload.public"
+    ],
+    "metadata": {
+        "name": "Rust toolchain build",
+        "description": "Builds the rust toolchain for use in gecko builders.",
+        "owner": "giles@mozilla.com",
+        "source": "https://github.com/rillian/rust-build/"
+    }
+}