Run docker with all privileges.

.travis.yml

@@ -38,7 +38,7 @@ script:
     else
       docker build -t kiwix/build -f travis/Dockerfile .
     fi
-    docker run -e PLATFORM -e NIGHTLY_DATE -e TRAVIS_EVENT_TYPE -e TRAVIS_BUILD_DIR -e DESKTOP_ONLY -e TRAVIS_TAG --device /dev/fuse --cap-add ALL kiwix/build
+    docker run -e PLATFORM -e NIGHTLY_DATE -e TRAVIS_EVENT_TYPE -e TRAVIS_BUILD_DIR -e DESKTOP_ONLY -e TRAVIS_TAG --device /dev/fuse --cap-add ALL --privileged kiwix/build
   else
     travis/compile_all.py
   fi

kiwixbuild/flatpak_builder.py

@@ -214,6 +214,7 @@ class FlatpakBuilder:
             try:
                 with open(log, 'r') as f:
                     print(f.read())
+                raise StopBuild()
             except:
                 pass
 
@@ -229,6 +230,7 @@ class FlatpakBuilder:
             try:
                 with open(log, 'r') as f:
                     print(f.read())
+                raise StopBuild()
             except:
                 pass