fix: detect ERROR report in batch.sh

exit if rap errs even if WARN is got

tests/batch.sh

@@ -2,6 +2,7 @@
 #该脚本在目录下为每个Cargo项目执行相同的命令直到报错
 
 # All arguments passed to this script are forwarded to cargo rap
+# Example: batch.sh -F -M
 
 cur=$(pwd)
 
@@ -21,20 +22,24 @@ find support -type f -name "Cargo.toml" | while read -r cargo_file; do
     cmd="cargo clean"
     $cmd
   else
-    #脚本有参数时按照给定参数执行cargo命令
-    #Example: batch.sh rap -uaf
     cmd="cargo rap $@"
     $cmd 2>&1 | tee $cur/rap.txt | ansi2txt | grep 'RAP|WARN|' && echo -e "\033[32m$project_dir pass\033[0m"
   fi
 
+  # 返回原始目录
+  popd >/dev/null
+
   if [ $? -ne 0 ]; then
-    # 如果命令失败，打印错误信息并退出循环
-    echo -e "Error: '$cmd' failed in $project_dir \nRAP output:"
+    echo -e "Error: '$cmd' doesn't emit WARN diagnostics in $project_dir \nRAP output:"
+    cat $cur/rap.txt
+    exit 1
+  fi
+
+  cat $cur/rap.txt | ansi2txt | grep 'RAP|ERROR|'
+  if [ $? -eq 0 ]; then
+    echo -e "Error: '$cmd' contains error message in $project_dir \nRAP output:"
     cat $cur/rap.txt
-    popd >/dev/null
     exit 1
   fi
 
-  # 返回原始目录
-  popd >/dev/null
 done