free disk space on test runner

.github/workflows/rust-checks.yaml

@@ -92,6 +92,32 @@ jobs:
         uses: arduino/setup-protoc@v1
         with:
           version: "3.6.1"
+      - name: Free disk space
+        run: |
+          sudo docker rmi $(docker image ls -aq) >/dev/null 2>&1 || true
+          sudo rm -rf \
+            /usr/share/dotnet /usr/local/lib/android /opt/ghc \
+            /usr/local/share/powershell /usr/share/swift /usr/local/.ghcup \
+            /usr/lib/jvm || true
+          sudo apt install aptitude -y >/dev/null 2>&1
+          sudo aptitude purge aria2 ansible azure-cli shellcheck rpm xorriso zsync \
+            esl-erlang firefox gfortran-8 gfortran-9 google-chrome-stable \
+            google-cloud-sdk imagemagick \
+            libmagickcore-dev libmagickwand-dev libmagic-dev ant ant-optional kubectl \
+            mercurial apt-transport-https mono-complete libmysqlclient \
+            unixodbc-dev yarn chrpath libssl-dev libxft-dev \
+            libfreetype6 libfreetype6-dev libfontconfig1 libfontconfig1-dev \
+            snmp pollinate libpq-dev postgresql-client powershell ruby-full \
+            sphinxsearch subversion mongodb-org azure-cli microsoft-edge-stable \
+            -y -f >/dev/null 2>&1
+          sudo aptitude purge google-cloud-sdk -f -y >/dev/null 2>&1
+          sudo aptitude purge microsoft-edge-stable -f -y >/dev/null 2>&1 || true
+          sudo apt purge microsoft-edge-stable -f -y >/dev/null 2>&1 || true
+          sudo aptitude purge '~n ^mysql' -f -y >/dev/null 2>&1
+          sudo aptitude purge '~n ^php' -f -y >/dev/null 2>&1
+          sudo aptitude purge '~n ^dotnet' -f -y >/dev/null 2>&1
+          sudo apt-get autoremove -y >/dev/null 2>&1
+          sudo apt-get autoclean -y >/dev/null 2>&1
       - name: build try-runtime-cli
         # this is required for testing
         # build --release or the execution time of the test is too long