checkpoint

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checkpoint.json

@@ -0,0 +1,57 @@
+{
+  "timestamp": "2026-03-16T12:05:24.527880Z",
+  "current_node": "setup",
+  "completed_nodes": [
+    "start",
+    "setup"
+  ],
+  "node_retries": {
+    "start": 1,
+    "setup": 1
+  },
+  "context_values": {
+    "internal.run_id": "01KKV8D20SV1FJXXM7SZMGDK7S",
+    "outcome": "fail",
+    "internal.retry_count.setup": 1,
+    "command.stderr": "",
+    "failure_signature": "setup|deterministic|script failed with exit code: <n> ## stdout fatal: destination path '.' already exists and is not an empty directory.",
+    "graph.goal": "UsernameValidator allows trailing newline in usernames\nDescription\n\t\nASCIIUsernameValidator and UnicodeUsernameValidator use the regex \nr'^[\\w.@+-]+$'\nThe intent is to only allow alphanumeric characters as well as ., @, +, and -. However, a little known quirk of Python regexes is that $ will also match a trailing newline. Therefore, the user name validators will accept usernames which end with a newline. You can avoid this behavior by instead using \\A and \\Z to terminate regexes. For example, the validator regex could be changed to\nr'\\A[\\w.@+-]+\\Z'\nin order to reject usernames that end with a newline.\nI am not sure how to officially post a patch, but the required change is trivial - using the regex above in the two validators in contrib.auth.validators.\n",
+    "current.preamble": "Goal: UsernameValidator allows trailing newline in usernames\nDescription\n\t\nASCIIUsernameValidator and UnicodeUsernameValidator use the regex \nr'^[\\w.@+-]+$'\nThe intent is to only allow alphanumeric characters as well as ., @, +, and -. However, a little known quirk of Python regexes is that $ will also match a trailing newline. Therefore, the user name validators will accept usernames which end with a newline. You can avoid this behavior by instead using \\A and \\Z to terminate regexes. For example, the validator regex could be changed to\nr'\\A[\\w.@+-]+\\Z'\nin order to reject usernames that end with a newline.\nI am not sure how to officially post a patch, but the required change is trivial - using the regex above in the two validators in contrib.auth.validators.\n\n",
+    "command.output": "fatal: destination path '.' already exists and is not an empty directory.\n",
+    "internal.node_visit_count": 1,
+    "failure_class": "deterministic",
+    "thread.start.current_node": "setup",
+    "internal.retry_count.start": 1,
+    "graph.rankdir": "LR",
+    "internal.fidelity": "compact",
+    "internal.thread_id": "start",
+    "current_node": "setup"
+  },
+  "logs": [],
+  "node_outcomes": {
+    "start": {
+      "status": "success",
+      "duration_ms": 0
+    },
+    "setup": {
+      "status": "fail",
+      "context_updates": {
+        "command.output": "fatal: destination path '.' already exists and is not an empty directory.\n",
+        "command.stderr": ""
+      },
+      "failure": {
+        "message": "Script failed with exit code: 128\n\n## stdout\nfatal: destination path '.' already exists and is not an empty directory.\n",
+        "failure_class": "deterministic"
+      },
+      "duration_ms": 23
+    }
+  },
+  "next_node_id": "solve",
+  "loop_failure_signatures": {
+    "setup|deterministic|script failed with exit code: <n> ## stdout fatal: destination path '.' already exists and is not an empty directory.": 1
+  },
+  "node_visits": {
+    "start": 1,
+    "setup": 1
+  }
+}

nodes/setup/script_invocation.json

@@ -0,0 +1,5 @@
+{
+  "command": "git clone https://github.com/django/django.git . && git checkout d26b2424437dabeeca94d7900b37d2df4410da0c && python -m pip install -e .",
+  "language": "shell",
+  "timeout_ms": null
+}

nodes/setup/script_timing.json

@@ -0,0 +1,5 @@
+{
+  "duration_ms": 22,
+  "exit_code": 128,
+  "timed_out": false
+}

nodes/setup/status.json

@@ -0,0 +1,6 @@
+{
+  "status": "fail",
+  "notes": null,
+  "failure_reason": "Script failed with exit code: 128\n\n## stdout\nfatal: destination path '.' already exists and is not an empty directory.\n",
+  "timestamp": "2026-03-16T12:05:24.527724+00:00"
+}

nodes/start/status.json

@@ -0,0 +1,6 @@
+{
+  "status": "success",
+  "notes": null,
+  "failure_reason": null,
+  "timestamp": "2026-03-16T12:05:24.503456+00:00"
+}