Allow deprecated warnings until we remove try!()

Change-Id: I6029fe6db4b7b02c16476cc39534fab304cdb5ea
diff --git a/src/lib.rs b/src/lib.rs
index 0d8d199..ab649ef 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -20,6 +20,9 @@
 // #![feature(tool_lints)]
 #![allow(bare_trait_objects, ellipsis_inclusive_range_patterns)]
 
+// TODO(tmandry): Remove all uses of try!()
+#![allow(deprecated)]
+
 #[cfg(all(unix, not(any(target_os = "fuchsia"))))]
 extern crate dirs;
 extern crate libc;