Use alloc for no_std builds

[rust-lightning] / lightning / src / util / test_utils.rs

diff --git a/lightning/src/util/test_utils.rs b/lightning/src/util/test_utils.rs
index c167c3412637408ae4008921ee9360dfc9b7f932..43bb1ef930391d7966af82308d74aef1ad3e6073 100644 (file)
--- a/lightning/src/util/test_utils.rs
+++ b/lightning/src/util/test_utils.rs
@@ -36,6 +36,7 @@ use bitcoin::secp256k1::recovery::RecoverableSignature;
 
 use regex;
 
+use prelude::*;
 use core::time::Duration;
 use std::sync::{Mutex, Arc};
 use core::sync::atomic::{AtomicBool, AtomicUsize, Ordering};