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-rw-r--r--src/libstd/sys/redox/mod.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/libstd/sys/redox/mod.rs b/src/libstd/sys/redox/mod.rs
index d4811a3444f..a8dbac28fb6 100644
--- a/src/libstd/sys/redox/mod.rs
+++ b/src/libstd/sys/redox/mod.rs
@@ -13,6 +13,7 @@
 use io::{self, ErrorKind};
 
 pub mod args;
+#[cfg(any(not(cargobuild), feature = "backtrace"))]
 pub mod backtrace;
 pub mod condvar;
 pub mod env;