| layer at (0,0) size 800x600 |
| RenderView at (0,0) size 800x600 |
| layer at (0,0) size 800x600 |
| RenderBlock {HTML} at (0,0) size 800x600 |
| RenderBody {BODY} at (8,8) size 784x579 |
| RenderBlock {PRE} at (0,0) size 784x180 |
| RenderText {#text} at (0,0) size 781x180 |
| text run at (0,0) width 508: "{\"error\": {\"message\": \"Traceback (most recent call last):\\n File" |
| text run at (0,15) width 562: "\\\"/Volumes/Data/WebKit/OpenSource/LayoutTests/imported/w3c/web-platform-" |
| text run at (0,30) width 742: "tests/tools/wptserve/wptserve/handlers.py\\\", line 312, in __call__\\n rv = self.func(request," |
| text run at (0,45) width 703: "response)\\n File \\\"/Volumes/Data/WebKit/OpenSource/LayoutTests/imported/w3c/web-platform-" |
| text run at (0,60) width 765: "tests/tools/serve/serve.py\\\", line 61, in handle_request\\n self.check_exposure(request)\\n File" |
| text run at (0,75) width 562: "\\\"/Volumes/Data/WebKit/OpenSource/LayoutTests/imported/w3c/web-platform-" |
| text run at (0,90) width 640: "tests/tools/serve/serve.py\\\", line 162, in check_exposure\\n for (key, value) in" |
| text run at (0,105) width 781: "self._get_metadata(request):\\n File \\\"/Volumes/Data/WebKit/OpenSource/LayoutTests/imported/w3c/web-" |
| text run at (0,120) width 757: "platform-tests/tools/serve/serve.py\\\", line 103, in _get_metadata\\n with open(path, \\\"rb\\\") as" |
| text run at (0,135) width 383: "f:\\nIOError: [Errno 2] No such file or directory:" |
| text run at (0,150) width 554: "'/Volumes/Data/WebKit/OpenSource/LayoutTests/imported/w3c/web-platform-" |
| text run at (0,165) width 422: "tests/html/dom/interfaces.worker.js'\\n\", \"code\": 500}}" |