Merge branch 'fix-failure-reporting-in-dockerized-ci'

This fixes a major regression in debuggability.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>

Author: dscho

.github/workflows/main.yml

@@ -436,7 +436,7 @@ jobs:
     - run: ci/install-dependencies.sh
     - run: useradd builder --create-home
     - run: chown -R builder .
-    - run: sudo --preserve-env --set-home --user=builder ci/run-build-and-tests.sh
+    - run: chmod o+w $GITHUB_ENV && sudo --preserve-env --set-home --user=builder ci/run-build-and-tests.sh
     - name: print test failures
       if: failure() && env.FAILED_TEST_ARTIFACTS != ''
       run: sudo --preserve-env --set-home --user=builder ci/print-test-failures.sh