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-rw-r--r--tests/cfail/idle.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/tests/cfail/idle.rs b/tests/cfail/idle.rs
index a362ec7..79fe99b 100644
--- a/tests/cfail/idle.rs
+++ b/tests/cfail/idle.rs
@@ -1,3 +1,4 @@
+#![deny(unsafe_code)]
#![deny(warnings)]
#![feature(proc_macro)]
#![no_std]