futures migration to 0.3

.github/workflows/autorebase.yml

@@ -0,0 +1,32 @@
+on:
+  # Run on every push on every branch
+  push:
+    branches-ignore:
+      # Ignore branches automatically created by github-rebase
+      - rebase-pull-request**
+      - cherry-pick-rebase-pull-request**
+  # Run when pull requests get labeled
+  pull_request:
+    types:                  [labeled]
+
+jobs:
+  auto-rebase:
+    name:                   AutoRebase
+    runs-on:                ubuntu-latest
+    steps:
+      # We can't use the built-in secrets.GITHUB_TOKEN yet because of this limitation:
+      # https://github.community/t5/GitHub-Actions/Triggering-a-new-workflow-from-another-workflow/td-p/31676
+      # In the meantime, use a token granting write access on the repo:
+      # - a GitHub App token
+      #   See https://github.com/marketplace/actions/github-app-token.
+      - name:               GitHub App token
+        id:                 token-generator
+        uses:               tibdex/github-app-token@v1.0.2
+        with:
+          app_id:           ${{ secrets.TOKEN_GEN_APP_ID }}
+          private_key:      ${{ secrets.TOKEN_GEN_PRIVATE_KEY }}
+
+      - name:               Auto Rebase
+        uses:               Label305/AutoRebase@v0.1
+        with:
+          github_token:     ${{ steps.token-generator.outputs.token }}

.gitlab-ci.yml

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+# .gitlab-ci.yml
+#
+# sccache
+
+
+stages:
+  - check
+  - test
+  - deploy
+
+variables:
+  GIT_STRATEGY:                    fetch
+  GIT_DEPTH:                       100
+  CARGO_INCREMENTAL:               0
+  # this var is changed to "-:staging" when the CI image gets rebuilt
+  # read more https://github.com/paritytech/scripts/pull/244
+  CI_IMAGE:                        "paritytech/sccache-ci-ubuntu:staging" # temporary override
+
+workflow:
+  rules:
+    - if: $CI_COMMIT_TAG
+    - if: $CI_COMMIT_BRANCH
+
+.docker-env:                       &docker-env
+  image:                           "${CI_IMAGE}"
+  before_script:
+    - which gcc && gcc --version
+    - which clang && clang --version
+    - rustc +stable --version
+    - rustc +nightly --version
+    - sccache -s
+  retry:
+    max: 2
+    when:
+      - runner_system_failure
+      - unknown_failure
+      - api_failure
+  interruptible:                   true
+  tags:
+    - linux-docker
+  rules:
+    - if: $CI_PIPELINE_SOURCE == "web"
+    - if: $CI_PIPELINE_SOURCE == "schedule"
+    - if: $CI_COMMIT_REF_NAME == "master"
+    - if: $CI_COMMIT_REF_NAME == "tags"
+    - if: $CI_COMMIT_REF_NAME =~ /^[0-9]+$/                         # PRs
+    - if: $CI_COMMIT_REF_NAME =~ /^v[0-9]+\.[0-9]+.*$/              # i.e. v1.0, v2.1rc1
+
+.collect-artifacts:                &collect-artifacts
+  artifacts:
+    name:                          "${CI_JOB_NAME}_${CI_COMMIT_REF_NAME}"
+    when:                          on_success
+    expire_in:                     7 days
+    paths:
+      - artifacts/
+
+#### stage:                       check
+
+fmt:
+  <<:                              *docker-env
+  stage:                           check
+  script:
+    - cargo fmt -- --check
+  allow_failure:                   true
+
+clippy:
+  <<:                              *docker-env
+  stage:                           check
+  script:
+    - cargo clippy --all-targets
+  allow_failure:                   true
+
+#### stage:                       test
+
+nightly-test:
+  <<:                              *docker-env
+  stage:                           test
+  variables:
+    EXTRA_FEATURES:                "unstable"
+  script:
+    - cargo +nightly build --verbose --features="${EXTRA_FEATURES}" || exit 1
+    - RUST_BACKTRACE=1 cargo +nightly test --workspace --verbose --features="${EXTRA_FEATURES}"
+
+stable-test:
+  stage:                           test
+  <<:                              *docker-env
+  <<:                              *collect-artifacts
+  script:
+    - cargo +stable build --verbose
+    - RUST_BACKTRACE=1 cargo +stable test --workspace --verbose
+    - cargo +stable build --release --features="dist-client,dist-server"
+    # collect artifacts
+    - mkdir -p ./artifacts/sccache/
+    - mv ./target/release/sccache ./artifacts/sccache/.