[nix]: speed up rtl-event format check

Signed-off-by: Avimitin <[email protected]>

tests/make-emu-result.nix

@@ -53,17 +53,13 @@ let
         exit 1
       fi
 
-      lineNum=1
-      while IFS= read -r rawJson; do
-        if ! echo "$rawJson" | jq -e . >/dev/null 2>&1; then
-          echo -e "[nix] \033[0;31mInternal Error\033[0m: invalid JSON on line $lineNum in file rtl-event.jsonl, showing original file:"
-          echo "--------------------------------------------"
-          cat $out/rtl-event.jsonl
-          echo "--------------------------------------------"
-          exit 1
-        fi
-        lineNum=$((lineNum + 1))
-      done < "$out/rtl-event.jsonl"
+      if ! jq --stream -c -e '.[]' "$out/rtl-event.jsonl" >/dev/null 2>&1; then
+        echo -e "[nix] \033[0;31mInternal Error\033[0m: invalid JSON file rtl-event.jsonl, showing original file:"
+        echo "--------------------------------------------"
+        cat $out/rtl-event.jsonl
+        echo "--------------------------------------------"
+        exit 1
+      fi
 
       runHook postCheck
     '';