free more space and try 8 core again

Author: marcoieni

.github/workflows/ci.yml

@@ -112,6 +112,22 @@ jobs:
         uses: jlumbroso/free-disk-space@54081f138730dfa15788a46383842cd2f914a1be
         if: matrix.free_disk
 
+      - name: free up more disk space
+        if: matrix.free_disk
+        run: |
+          sudo apt purge -y \
+          '^java-*'         \
+          '^groff'          \
+          '^groff-base'     \
+          '^libllvm.*       \
+          '^llvm.*'         \
+          '^gcc'            \
+          '^gcc-11'         \
+          && sudo apt autoremove -y
+
+      - name: Show installed packages ordered by size
+        run: dpkg-query -W --showformat='${Installed-Size} ${Package}\n' | sort -nr
+
       # Rust Log Analyzer can't currently detect the PR number of a GitHub
       # Actions build on its own, so a hint in the log message is needed to
       # point it in the right direction.

src/ci/github-actions/jobs.yml

@@ -266,7 +266,7 @@ auto:
     # nightly features to compile, and this job would fail if
     # executed on beta and stable.
     only_on_channel: nightly
-    <<: *job-linux-36c-codebuild
+    <<: *job-linux-8c-codebuild
 
   # Tests integration with Rust for Linux.
   # Builds stage 1 compiler and tries to compile a few RfL examples with it.