diff --git a/ar/cs/arcslab b/ar/cs/arcslab
new file mode 100644
index 00000000000..e0bc9f5f17d
--- /dev/null
+++ b/ar/cs/arcslab
@@ -0,0 +1 @@
+{"name":"arcslab","vers":"0.1.0","deps":[{"name":"crossbeam-utils","req":"^0.8","features":[],"optional":false,"default_features":false,"target":null,"kind":"normal"},{"name":"parking_lot","req":"^0.12","features":[],"optional":false,"default_features":true,"target":null,"kind":"normal"},{"name":"rustix","req":"^0.38","features":["mm"],"optional":false,"default_features":false,"target":"cfg(all(not(miri), target_os = \"linux\"))","kind":"normal"},{"name":"sptr","req":"^0.3","features":[],"optional":false,"default_features":true,"target":null,"kind":"normal"}],"cksum":"20604c983c63cbd3acb14e232755c5ca265b9022b8fb891defad713c6990c9fc","features":{},"yanked":false}