Find errant coverage files

.gitlab-ci.yml

@@ -131,6 +131,7 @@ coverage:
   stage: coverage
   coverage: '/TOTAL +\d+ +\d+ +(\d+\.\d+)%/'
   script:
+    - find .
     - cd dist && ./unpack.sh && cd bst-external
     - pip3 install --no-index .
     - mkdir report