diff --git a/Cross.toml b/Cross.toml
new file mode 100644
index 0000000..955ea06
--- /dev/null
+++ b/Cross.toml
@@ -0,0 +1,6 @@
+[build.env]
+passthrough = [
+    "RUST_BACKTRACE",
+    "RUST_LOG",
+    "TRAVIS",
+]
\ No newline at end of file