Merge remote-tracking branch 'origin/master' into piomiko/try-runtime…

…/forward

# Conflicts:
#	bin/node-template/node/src/command.rs
#	bin/node-template/runtime/src/lib.rs
#	bin/node/runtime/src/lib.rs
#	frame/executive/src/lib.rs
#	frame/support/src/traits/hooks.rs
#	frame/support/test/tests/pallet_ui/storage_ensure_span_are_ok_on_wrong_gen.stderr
#	frame/support/test/tests/pallet_ui/storage_ensure_span_are_ok_on_wrong_gen_unnamed.stderr
#	frame/try-runtime/src/lib.rs
#	utils/frame/remote-externalities/src/lib.rs
#	utils/frame/rpc/client/src/lib.rs
#	utils/frame/try-runtime/cli/Cargo.toml
#	utils/frame/try-runtime/cli/src/commands/create_snapshot.rs
#	utils/frame/try-runtime/cli/src/commands/execute_block.rs
#	utils/frame/try-runtime/cli/src/commands/follow_chain.rs
#	utils/frame/try-runtime/cli/src/commands/mod.rs
#	utils/frame/try-runtime/cli/src/commands/offchain_worker.rs
#	utils/frame/try-runtime/cli/src/commands/on_runtime_upgrade.rs
#	utils/frame/try-runtime/cli/src/lib.rs

.gitlab-ci.yml

@@ -81,8 +81,14 @@ default:
     paths:
       - artifacts/
 
+.job-switcher:
+  before_script:
+    - if echo "$CI_DISABLED_JOBS" | grep -xF "$CI_JOB_NAME"; then echo "The job has been cancelled in CI settings"; exit 0; fi
+
 .kubernetes-env:
   image:                           "${CI_IMAGE}"
+  before_script:
+    - !reference [.job-switcher, before_script]
   tags:
     - kubernetes-parity-build
 
@@ -95,6 +101,7 @@ default:
 
 .pipeline-stopper-vars:
   script:
+    - !reference [.job-switcher, before_script]
     - echo "Collecting env variables for the cancel-pipeline job"
     - echo "FAILED_JOB_URL=${CI_JOB_URL}" > pipeline-stopper.env
     - echo "FAILED_JOB_NAME=${CI_JOB_NAME}" >> pipeline-stopper.env
@@ -110,6 +117,7 @@ default:
   before_script:
     # TODO: remove unset invocation when we'll be free from 'ENV RUSTC_WRAPPER=sccache' & sccache itself in all images
     - unset RUSTC_WRAPPER
+    - !reference [.job-switcher, before_script]
     - !reference [.rust-info-script, script]
     - !reference [.rusty-cachier, before_script]
     - !reference [.pipeline-stopper-vars, script]
@@ -300,7 +308,6 @@ rusty-cachier-notify:
     PR_NUM:                        "${PR_NUM}"
   trigger:
     project:                       "parity/infrastructure/ci_cd/pipeline-stopper"
-    branch:                        "as-improve"
 
 remove-cancel-pipeline-message:
   stage: .post