diff --git a/.github/workflows/build_and_test.yml b/.github/workflows/build_and_test.yml
index be2c19037dc00..0d004a0e099a5 100644
--- a/.github/workflows/build_and_test.yml
+++ b/.github/workflows/build_and_test.yml
@@ -175,6 +175,24 @@ jobs:
         if: ${{ !cancelled() }}
         run: cargo deny check
 
+      - name: DEBUG 14
+        if: failure()
+        run: |
+          cat /__w/neon/neon/pg_install/build/v14/config.log
+          cat /__w/neon/neon/pg_install/build/v14/configure.log
+
+      - name: DEBUG 15
+        if: failure()
+        run: |
+          cat /__w/neon/neon/pg_install/build/v15/config.log
+          cat /__w/neon/neon/pg_install/build/v15/configure.log
+
+      - name: DEBUG 16
+        if: failure()
+        run: |
+          cat /__w/neon/neon/pg_install/build/v16/config.log
+          cat /__w/neon/neon/pg_install/build/v16/configure.log
+
   build-neon:
     needs: [ check-permissions ]
     runs-on: [ self-hosted, gen3, large ]
@@ -318,12 +336,6 @@ jobs:
         # if: steps.cache_pg_16.outputs.cache-hit != 'true'
         run: mold -run make postgres-v16 -j$(nproc)
 
-      - name: DEBUG
-        if: failure()
-        run: |
-          cat /__w/neon/neon/pg_install/build/v14/config.log
-          cat /__w/neon/neon/pg_install/build/v14/configure.log
-
       - name: Build neon extensions
         run: mold -run make neon-pg-ext -j$(nproc)
 
@@ -333,6 +345,8 @@ jobs:
 
       - name: Run cargo test
         run: |
+          export RUST_BACKTRACE=full
+
           ${cov_prefix} cargo test $CARGO_FLAGS $CARGO_FEATURES
 
           # Run separate tests for real S3