more cfail tests

serde_macros/tests/compile-fail/duplicate_attributes.rs_

@@ -0,0 +1,13 @@
+#![feature(custom_attribute, custom_derive, plugin)]
+#![plugin(serde_macros)]
+
+#[derive(Serialize, Deserialize)]
+struct S {
+    #[serde(rename(serialize="x"))]
+    #[serde(rename(serialize="y"))] //~ ERROR buldternua
+    #[serde(rename(deserialize="y"))] // ok
+    #[serde(rename="y")] // error
+    z: i32,
+}
+
+fn main() {}

serde_macros/tests/compile-fail/str_ref_deser.rs

@@ -0,0 +1,9 @@
+#![feature(custom_attribute, custom_derive, plugin)]
+#![plugin(serde_macros)]
+
+#[derive(Serialize, Deserialize)]
+struct Test<'a> {
+    s: &'a str, //~ ERROR: Serde does not support deserializing fields of type &str
+}
+
+fn main() {}