Update lib.rs

Author: daniel-noland

net/src/lib.rs

@@ -12,6 +12,7 @@
     clippy::expect_used,
     clippy::panic
 )]
+#![cfg_attr(not(unix), allow(unused))] // for wasm32 builds
 #![allow(clippy::should_panic_without_expect)] // we panic in contract checks with simple unwrap()
 
 pub mod addr_parse_error;