fix(tests): Fix the skeptic tests on stable rust

json_tests/Cargo.toml

@@ -7,12 +7,12 @@ build = "build.rs"
 [features]
 default = ["serde_macros"]
 with-syntex = ["syntex", "serde_codegen"]
-nightly-testing = ["clippy", "skeptic", "serde_json/clippy"]
+nightly-testing = ["clippy", "serde_json/clippy"]
 
 [build-dependencies]
 syntex = { version = "*", optional = true }
 serde_codegen = { version = "*", optional = true }
-skeptic = { version = "^0.4.0", optional = true }
+skeptic = "^0.4.0"
 
 [dependencies]
 clippy = { version = "^0.*", optional = true }
@@ -21,7 +21,7 @@ rustc-serialize = "*"
 serde = "*"
 serde_json = { version = "*", path = "../json" }
 serde_macros = { version = "*", optional = true }
-skeptic = { version = "^0.4.0", optional = true }
+skeptic = "^0.4.0"
 
 [[test]]
 name = "test"

json_tests/build.rs

@@ -1,3 +1,5 @@
+extern crate skeptic;
+
 #[cfg(feature = "with-syntex")]
 mod with_syntex {
     extern crate syntex;
@@ -29,21 +31,8 @@ mod with_syntex {
     pub fn main() {}
 }
 
-#[cfg(feature = "nightly-testing")]
-mod nightly {
-    extern crate skeptic;
-
-    pub fn main() {
-        skeptic::generate_doc_tests(&["../README.md"]);
-    }
-}
-
-#[cfg(not(feature = "nightly-testing"))]
-mod nightly {
-    pub fn main() {}
-}
-
 pub fn main() {
     with_syntex::main();
-    nightly::main();
+
+    skeptic::generate_doc_tests(&["../README.md"]);
 }

json_tests/tests/test.rs

@@ -6,9 +6,18 @@
 
 extern crate serde;
 extern crate serde_json;
+extern crate skeptic;
 
 #[cfg(feature = "with-syntex")]
 include!(concat!(env!("OUT_DIR"), "/test.rs"));
 
 #[cfg(not(feature = "with-syntex"))]
 include!("test.rs.in");
+
+#[cfg(feature = "nightly-testing")]
+mod skeptic_tests {
+    #![cfg_attr(feature = "nightly-testing", allow(toplevel_ref_arg))]
+    #![cfg_attr(feature = "nightly-testing", allow(useless_format))]
+
+    include!(concat!(env!("OUT_DIR"), "/skeptic-tests.rs"));
+}

json_tests/tests/test.rs.in

@@ -1,3 +1,2 @@
-mod skeptic;
 mod test_json;
 mod test_json_builder;