diff --git a/3/u/umc b/3/u/umc
new file mode 100644
index 00000000000..a5721ad4385
--- /dev/null
+++ b/3/u/umc
@@ -0,0 +1 @@
+{"name":"umc","vers":"0.0.1","deps":[{"name":"chrono","req":"^0.4.37","features":[],"optional":false,"default_features":true,"target":null,"kind":"normal"}],"cksum":"36290038231d876b29f4881d3bea02c086e89717cb1112336d2277db2cbedc7b","features":{},"yanked":false}