Can we mark jobs as allowed to fail?

.github/workflows/githubci.yml

@@ -56,4 +56,8 @@ jobs:
         arduino-cli lib install $LIB_DEPS
 
     - name: Build examples
+      allow_failure: true
       run: python3 extras/build_all.py ${{ matrix.arduino-platform }}
+
+#    - name: Build examples with all warnings enabled
+#      run: python3 extras/build_all.py ${{ matrix.arduino-platform }} all_warnings

extras/build_all.py

@@ -23,6 +23,9 @@ if len(sys.argv) > 1:
 else:
     build_boards = default_boards
 
+all_warnings = True if 'all_warnings' in sys.arv[2:]
+
+
 def errorOutputFilter(line):
     if len(line) == 0:
         return False