Auto merge of #77462 - jonas-schievink:rollup-m0rqdh5, r=jonas-schievink

Rollup of 12 pull requests

Successful merges:

 - #76101 (Update RELEASES.md for 1.47.0)
 - #76739 (resolve: prohibit anon const non-static lifetimes)
 - #76811 (Doc alias name restriction)
 - #77405 (Add tracking issue of iter_advance_by feature)
 - #77409 (Add example for iter chain struct)
 - #77415 (Better error message for `async` blocks in a const-context)
 - #77423 (Add `-Zprecise-enum-drop-elaboration`)
 - #77432 (Use posix_spawn on musl targets)
 - #77441 (Fix AVR stack corruption bug)
 - #77442 (Clean up on example doc fixes for ptr::copy)
 - #77444 (Fix span for incorrect pattern field and add label)
 - #77453 (Stop running macOS builds on Azure Pipelines)

Failed merges:

r? `@ghost`

2 files changed, 3 insertions, 181 deletions

diff --git a/src/ci/azure-pipelines/auto.yml b/src/ci/azure-pipelines/auto.yml
index 05177e517d0..37c2e9bc35a 100644
--- a/src/ci/azure-pipelines/auto.yml
+++ b/src/ci/azure-pipelines/auto.yml
@@ -18,45 +18,9 @@ trigger:
   - auto
 
 jobs:
-- job: macOS
+- job: Dummy
   timeoutInMinutes: 600
   pool:
-    vmImage: macos-10.15
+    vmImage: ubuntu-16.04
   steps:
-  - template: steps/run.yml
-  variables:
-    # We're still uploading macOS builds from Azure Pipelines.
-    - group: prod-credentials
-  strategy:
-    matrix:
-      # OSX builders running tests, these run the full test suite.
-      # NO_DEBUG_ASSERTIONS=1 to make them go faster, but also do have some
-      # runners that run `//ignore-debug` tests.
-      #
-      # Note that the compiler is compiled to target 10.8 here because the Xcode
-      # version that we're using, 8.2, cannot compile LLVM for OSX 10.7.
-      x86_64-apple:
-        SCRIPT: ./x.py --stage 2 test
-        INITIAL_RUST_CONFIGURE_ARGS: --build=x86_64-apple-darwin --enable-sanitizers --enable-profiler --set rust.jemalloc --set llvm.ninja=false
-        RUSTC_RETRY_LINKER_ON_SEGFAULT: 1
-        MACOSX_DEPLOYMENT_TARGET: 10.8
-        MACOSX_STD_DEPLOYMENT_TARGET: 10.7
-        NO_LLVM_ASSERTIONS: 1
-        NO_DEBUG_ASSERTIONS: 1
-
-      dist-x86_64-apple:
-        SCRIPT: ./x.py dist
-        INITIAL_RUST_CONFIGURE_ARGS: --host=x86_64-apple-darwin --target=x86_64-apple-darwin,aarch64-apple-ios,x86_64-apple-ios --enable-full-tools --enable-sanitizers --enable-profiler --set rust.jemalloc --set llvm.ninja=false
-        RUSTC_RETRY_LINKER_ON_SEGFAULT: 1
-        MACOSX_DEPLOYMENT_TARGET: 10.7
-        NO_LLVM_ASSERTIONS: 1
-        NO_DEBUG_ASSERTIONS: 1
-        DIST_REQUIRE_ALL_TOOLS: 1
-
-      dist-x86_64-apple-alt:
-        SCRIPT: ./x.py dist
-        INITIAL_RUST_CONFIGURE_ARGS: --enable-extended --enable-profiler --set rust.jemalloc --set llvm.ninja=false
-        RUSTC_RETRY_LINKER_ON_SEGFAULT: 1
-        MACOSX_DEPLOYMENT_TARGET: 10.7
-        NO_LLVM_ASSERTIONS: 1
-        NO_DEBUG_ASSERTIONS: 1
+  - bash: echo "We're running this job since bors is still gating on Azure"
diff --git a/src/ci/azure-pipelines/steps/run.yml b/src/ci/azure-pipelines/steps/run.yml
deleted file mode 100644
index 34fc4d76fa2..00000000000
--- a/src/ci/azure-pipelines/steps/run.yml
+++ /dev/null
@@ -1,142 +0,0 @@
-#####################################
-##    READ BEFORE CHANGING THIS    ##
-#####################################
-
-# We're in the process of evaluating GitHub Actions as a possible replacement
-# for Azure Pipelines, and at the moment the configuration is duplicated
-# between the two CI providers. Be sure to also change the configuration in
-# src/ci/github-actions when changing this file.
-
-#####################################
-
-# FIXME(linux): need to configure core dumps, enable them, and then dump
-# backtraces on failure from all core dumps:
-#
-# - bash: sudo apt install gdb
-# - bash: sudo sh -c 'echo "/checkout/obj/cores/core.%p.%E" > /proc/sys/kernel/core_pattern'
-#
-# Check travis config for `gdb --batch` command to print all crash logs
-
-steps:
-
-# Configure our CI_JOB_NAME variable which log analyzers can use for the main
-# step to see what's going on.
-- bash: |
-    builder=$(echo $AGENT_JOBNAME | cut -d ' ' -f 2)
-    echo "##vso[task.setvariable variable=CI_JOB_NAME]$builder"
-  displayName: Configure Job Name
-
-# Disable automatic line ending conversion, which is enabled by default on
-# Azure's Windows image. Having the conversion enabled caused regressions both
-# in our test suite (it broke miri tests) and in the ecosystem, since we
-# started shipping install scripts with CRLF endings instead of the old LF.
-#
-# Note that we do this a couple times during the build as the PATH and current
-# user/directory change, e.g. when mingw is enabled.
-- bash: git config --global core.autocrlf false
-  displayName: "Disable git automatic line ending conversion"
-
-- checkout: self
-  fetchDepth: 2
-
-- bash: src/ci/scripts/setup-environment.sh
-  displayName: Setup environment
-
-- bash: src/ci/scripts/clean-disk.sh
-  displayName: Clean disk
-
-- bash: src/ci/scripts/should-skip-this.sh
-  displayName: Decide whether to run this job
-
-- bash: src/ci/scripts/collect-cpu-stats.sh
-  displayName: Collect CPU-usage statistics in the background
-
-- bash: src/ci/scripts/dump-environment.sh
-  displayName: Show the current environment
-
-- bash: src/ci/scripts/install-sccache.sh
-  displayName: Install sccache
-  condition: and(succeeded(), not(variables.SKIP_JOB))
-
-- bash: src/ci/scripts/install-clang.sh
-  displayName: Install clang
-  condition: and(succeeded(), not(variables.SKIP_JOB))
-
-- bash: src/ci/scripts/install-wix.sh
-  displayName: Install wix
-  condition: and(succeeded(), not(variables.SKIP_JOB))
-
-- bash: src/ci/scripts/symlink-build-dir.sh
-  displayName: Ensure the build happens on a partition with enough space
-  condition: and(succeeded(), not(variables.SKIP_JOB))
-
-- bash: src/ci/scripts/disable-git-crlf-conversion.sh
-  displayName: "Disable git automatic line ending conversion (on C:/)"
-  condition: and(succeeded(), not(variables.SKIP_JOB))
-
-- bash: src/ci/scripts/install-msys2.sh
-  displayName: Install msys2
-  condition: and(succeeded(), not(variables.SKIP_JOB))
-
-- bash: src/ci/scripts/install-mingw.sh
-  displayName: Install MinGW
-  condition: and(succeeded(), not(variables.SKIP_JOB))
-
-- bash: src/ci/scripts/install-ninja.sh
-  displayName: Install ninja
-  condition: and(succeeded(), not(variables.SKIP_JOB))
-
-- bash: src/ci/scripts/enable-docker-ipv6.sh
-  displayName: Enable IPv6 on Docker
-  condition: and(succeeded(), not(variables.SKIP_JOB))
-
-# Disable automatic line ending conversion (again). On Windows, when we're
-# installing dependencies, something switches the git configuration directory or
-# re-enables autocrlf. We've not tracked down the exact cause -- and there may
-# be multiple -- but this should ensure submodules are checked out with the
-# appropriate line endings.
-- bash: src/ci/scripts/disable-git-crlf-conversion.sh
-  displayName: Disable git automatic line ending conversion
-  condition: and(succeeded(), not(variables.SKIP_JOB))
-
-- bash: src/ci/scripts/checkout-submodules.sh
-  displayName: Checkout submodules
-  condition: and(succeeded(), not(variables.SKIP_JOB))
-
-- bash: src/ci/scripts/verify-line-endings.sh
-  displayName: Verify line endings
-  condition: and(succeeded(), not(variables.SKIP_JOB))
-
-# Ensure the `aws` CLI is installed so we can deploy later on, cache docker
-# images, etc.
-- bash: src/ci/scripts/install-awscli.sh
-  condition: and(succeeded(), not(variables.SKIP_JOB))
-  displayName: Install awscli
-
-- bash: src/ci/scripts/run-build-from-ci.sh
-  timeoutInMinutes: 600
-  env:
-    AWS_ACCESS_KEY_ID: $(SCCACHE_AWS_ACCESS_KEY_ID)
-    AWS_SECRET_ACCESS_KEY: $(SCCACHE_AWS_SECRET_ACCESS_KEY)
-    TOOLSTATE_REPO_ACCESS_TOKEN: $(TOOLSTATE_REPO_ACCESS_TOKEN)
-  condition: and(succeeded(), not(variables.SKIP_JOB))
-  displayName: Run build
-
-- bash: src/ci/scripts/upload-artifacts.sh
-  env:
-    AWS_ACCESS_KEY_ID: $(UPLOAD_AWS_ACCESS_KEY_ID)
-    AWS_SECRET_ACCESS_KEY: $(UPLOAD_AWS_SECRET_ACCESS_KEY)
-  displayName: Upload artifacts
-  # Adding a condition on DEPLOY=1 or DEPLOY_ALT=1 is not needed as all deploy
-  # builders *should* have the AWS credentials available. Still, explicitly
-  # adding the condition is helpful as this way CI will not silently skip
-  # deploying artifacts from a dist builder if the variables are misconfigured,
-  # erroring about invalid credentials instead.
-  condition: |
-    and(
-      succeeded(), not(variables.SKIP_JOB),
-      or(
-        variables.UPLOAD_AWS_SECRET_ACCESS_KEY,
-        eq(variables.DEPLOY, '1'), eq(variables.DEPLOY_ALT, '1')
-      )
-    )