message: prevent unit tests from oom during linking
  Closes:
  Approved by: metajack
diff: @@ -5,6 +5,10 @@ executors:
  docker:
  - image: circleci/rust:buster
  resource_class: 2xlarge
  + unittest-executor:
  + docker:
  + - image: circleci/rust:buster
  + resource_class: 2xlarge+
  test-executor:
  docker:
  - image: circleci/rust:buster
  @@ -309,7 +313,7 @@ jobs:
  build_url: "${CIRCLE_BUILD_URL}#tests/containers/${CIRCLE_NODE_INDEX}"
  webhook: "${WEBHOOK_FLAKY_TESTS}"
  run-unit-test:
  - executor: build-executor
  + executor: unittest-executor
  description: Run all unit tests, excluding E2E and flaky tests that are
  explicitly ignored.
  steps:
  