1 2--- 3 src/lib.rs | 3 +++ 4 1 file changed, 3 insertions(+) 5 6diff --git b/src/lib.rs a/src/lib.rs 7index f1db3fce..40d3c911 100644 8--- b/src/lib.rs 9+++ a/src/lib.rs 10@@ -105,6 +105,9 @@ use std::error; 11 #[cfg(test)] 12 mod test; 13 14+#[cfg(android_dylib)] 15+extern crate std; 16+ 17 /// Cast errors 18 #[derive(Clone, Copy, Debug, Eq, PartialEq)] 19 pub enum Error { 20