Rollup merge of #119734 - RalfJung:miri, r=RalfJung

Miri subtree update

r? ``@ghost``

Cargo.lock

@@ -2465,6 +2465,7 @@ dependencies = [
  "ctrlc",
  "env_logger",
  "getrandom",
+ "jemalloc-sys",
  "lazy_static",
  "libc",
  "libffi",
@@ -2474,7 +2475,6 @@ dependencies = [
  "rand",
  "regex",
  "rustc_version",
- "serde",
  "smallvec",
  "ui_test",
 ]
@@ -3280,9 +3280,9 @@ dependencies = [
 
 [[package]]
 name = "rustc-build-sysroot"
-version = "0.4.2"
+version = "0.4.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8ed2a90dfa5232ed5ff21d53d4df655f315ab316ea06fc508f1c74bcedb1ce6c"
+checksum = "39dcf8d82b1f79a179bdb284dc44db440a9666eefa5a6df5ef282d6db930d544"
 dependencies = [
  "anyhow",
  "rustc_version",

src/tools/miri/.github/workflows/ci.yml

@@ -73,7 +73,7 @@ jobs:
           cargo -V
 
       - name: Test
-        run: ./ci.sh
+        run: ./ci/ci.sh
 
   style:
     name: style checks
@@ -169,7 +169,7 @@ jobs:
             --message 'Dear @*T-miri*,
 
           It would appear that the [Miri cron job build]('"https://github.com/$GITHUB_REPOSITORY/actions/runs/$GITHUB_RUN_ID"') failed.
-          
+
           This likely means that rustc changed the miri directory and
           we now need to do a [`./miri rustc-pull`](https://github.com/rust-lang/miri/blob/master/CONTRIBUTING.md#importing-changes-from-the-rustc-repo).
 

src/tools/miri/.github/workflows/sysroots.yml

@@ -0,0 +1,49 @@
+name: Tier 2 sysroots
+
+on: push
+#  schedule:
+#    - cron: '44 4 * * *' # At 4:44 UTC every day.
+
+defaults:
+  run:
+    shell: bash
+
+jobs:
+  sysroots:
+    name: Build the sysroots
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Build the sysroots
+        run: |
+          cargo install -f rustup-toolchain-install-master
+          ./miri toolchain -c rust-docs # Docs are the only place targets are separated by tier
+          ./miri install
+          python3 -m pip install beautifulsoup4
+          ./ci/build-all-targets.sh
+
+  sysroots-cron-fail-notify:
+    name: sysroots cronjob failure notification
+    runs-on: ubuntu-latest
+    needs: [sysroots]
+    if: failure() || cancelled()
+    steps:
+      # Send a Zulip notification
+      - name: Install zulip-send
+        run: pip3 install zulip
+      - name: Send Zulip notification
+        env:
+          ZULIP_BOT_EMAIL: ${{ secrets.ZULIP_BOT_EMAIL }}
+          ZULIP_API_TOKEN: ${{ secrets.ZULIP_API_TOKEN }}
+        run: |
+          ~/.local/bin/zulip-send --user $ZULIP_BOT_EMAIL --api-key $ZULIP_API_TOKEN --site https://rust-lang.zulipchat.com \
+            --stream miri --subject "Cron Job Failure (miri, $(date -u +%Y-%m))" \
+            --message 'Dear @*T-miri*,
+
+          It would appear that the [Miri sysroots cron job build]('"https://github.com/$GITHUB_REPOSITORY/actions/runs/$GITHUB_RUN_ID"') failed.
+
+          Would you mind investigating this issue?
+
+          Thanks in advance!
+          Sincerely,
+          The Miri Cronjobs Bot'