diff --git a/swh/loader/package/crates/loader.py b/swh/loader/package/crates/loader.py
--- a/swh/loader/package/crates/loader.py
+++ b/swh/loader/package/crates/loader.py
@@ -211,6 +211,7 @@
         url: str,
         artifacts: List[Dict[str, Any]],
         max_content_size: Optional[int] = None,
+        **kwargs,
     ):
         """Constructor
 
@@ -235,7 +236,9 @@
                         }
                     ]
         """  # noqa
-        super().__init__(storage=storage, url=url, max_content_size=max_content_size)
+        super().__init__(
+            storage=storage, url=url, max_content_size=max_content_size, **kwargs
+        )
         self.url = url
         self.artifacts: Dict[str, Dict] = {
             artifact["version"]: artifact for artifact in artifacts
diff --git a/swh/loader/package/crates/tasks.py b/swh/loader/package/crates/tasks.py
--- a/swh/loader/package/crates/tasks.py
+++ b/swh/loader/package/crates/tasks.py
@@ -9,6 +9,6 @@
 
 
 @shared_task(name=__name__ + ".LoadCrates")
-def load_crates(*, url=None, artifacts: list):
+def load_crates(**kwargs):
     """Load Rust crate package"""
-    return CratesLoader.from_configfile(url=url, artifacts=artifacts).load()
+    return CratesLoader.from_configfile(**kwargs).load()