verify.py v0.7: decode bytes stdout/stderr in TimeoutExpired (crashed slow maven builds at the 2100s timeout)

scripts/verify.py

@@ -1,4 +1,4 @@
-"""PatchBench row verification + context expansion harness (v0.6).
+"""PatchBench row verification + context expansion harness (v0.7).
 
 For each candidate row:
   1. clone the repo at base_commit
@@ -25,6 +25,9 @@ Native (non-Docker) reproduction of the upstream env:
   - rust: cargo target dirs are wiped between rows to stay inside the ephemeral
     storage quota
 
+v0.7: TimeoutExpired.stdout/stderr can be bytes (python quirk under capture_output) --
+decode before concatenating. This crashed slow maven builds at the 2100s timeout.
+
 Usage (inside a job with the right language toolchain image):
   python verify.py --lang go --file pilot/candidates/go.jsonl --limit 6
 """
@@ -57,8 +60,12 @@ def run(cmd, cwd, timeout):
                            timeout=timeout, text=True, errors="replace")
         return p.returncode, (p.stdout or "") + (p.stderr or ""), time.time() - t0
     except subprocess.TimeoutExpired as e:
-        out = (e.stdout or "") + (e.stderr or "")
-        return 124, out + f"\n[TIMEOUT after {timeout}s]", time.time() - t0
+        so, se = e.stdout or "", e.stderr or ""
+        if isinstance(so, bytes):
+            so = so.decode("utf-8", "replace")
+        if isinstance(se, bytes):
+            se = se.decode("utf-8", "replace")
+        return 124, so + se + f"\n[TIMEOUT after {timeout}s]", time.time() - t0
 
 
 def sh(cmds, cwd, timeout=CMD_TIMEOUT_S):