Move all compile-fail tests to ui tests

The update-references.sh script makes these much easier to update in
bulk compared to compile-fail tests.

test_suite/tests/ui/identifier/both.rs

@@ -0,0 +1,19 @@
+// Copyright 2017 Serde Developers
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#[macro_use]
+extern crate serde_derive;
+
+#[derive(Deserialize)]
+#[serde(field_identifier, variant_identifier)]
+enum F {
+    A,
+    B,
+}
+
+fn main() {}

test_suite/tests/ui/identifier/both.stderr

@@ -0,0 +1,8 @@
+error: `field_identifier` and `variant_identifier` cannot both be set
+  --> $DIR/both.rs:12:10
+   |
+12 | #[derive(Deserialize)]
+   |          ^^^^^^^^^^^
+
+error: aborting due to previous error
+

test_suite/tests/ui/identifier/field_struct.rs

@@ -0,0 +1,16 @@
+// Copyright 2017 Serde Developers
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#[macro_use]
+extern crate serde_derive;
+
+#[derive(Deserialize)]
+#[serde(field_identifier)]
+struct S;
+
+fn main() {}

test_suite/tests/ui/identifier/field_struct.stderr

@@ -0,0 +1,8 @@
+error: `field_identifier` can only be used on an enum
+  --> $DIR/field_struct.rs:12:10
+   |
+12 | #[derive(Deserialize)]
+   |          ^^^^^^^^^^^
+
+error: aborting due to previous error
+

test_suite/tests/ui/identifier/field_tuple.rs

@@ -0,0 +1,19 @@
+// Copyright 2017 Serde Developers
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#[macro_use]
+extern crate serde_derive;
+
+#[derive(Deserialize)]
+#[serde(field_identifier)]
+enum F {
+    A,
+    B(u8, u8),
+}
+
+fn main() {}

test_suite/tests/ui/identifier/field_tuple.stderr

@@ -0,0 +1,8 @@
+error: field_identifier may only contain unit variants
+  --> $DIR/field_tuple.rs:12:10
+   |
+12 | #[derive(Deserialize)]
+   |          ^^^^^^^^^^^
+
+error: aborting due to previous error
+

test_suite/tests/ui/identifier/newtype_not_last.rs

@@ -0,0 +1,20 @@
+// Copyright 2017 Serde Developers
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#[macro_use]
+extern crate serde_derive;
+
+#[derive(Deserialize)]
+#[serde(field_identifier)]
+enum F {
+    A,
+    Other(String),
+    B,
+}
+
+fn main() {}

test_suite/tests/ui/identifier/newtype_not_last.stderr

@@ -0,0 +1,8 @@
+error: `Other` must be the last variant
+  --> $DIR/newtype_not_last.rs:12:10
+   |
+12 | #[derive(Deserialize)]
+   |          ^^^^^^^^^^^
+
+error: aborting due to previous error
+

test_suite/tests/ui/identifier/not_unit.rs

@@ -0,0 +1,20 @@
+// Copyright 2017 Serde Developers
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#[macro_use]
+extern crate serde_derive;
+
+#[derive(Deserialize)]
+#[serde(field_identifier)]
+enum F {
+    A,
+    #[serde(other)]
+    Other(u8, u8),
+}
+
+fn main() {}

test_suite/tests/ui/identifier/not_unit.stderr

@@ -0,0 +1,8 @@
+error: #[serde(other)] must be on a unit variant
+  --> $DIR/not_unit.rs:12:10
+   |
+12 | #[derive(Deserialize)]
+   |          ^^^^^^^^^^^
+
+error: aborting due to previous error
+

test_suite/tests/ui/identifier/other_not_last.rs

@@ -0,0 +1,21 @@
+// Copyright 2017 Serde Developers
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#[macro_use]
+extern crate serde_derive;
+
+#[derive(Deserialize)]
+#[serde(field_identifier)]
+enum F {
+    A,
+    #[serde(other)]
+    Other,
+    B,
+}
+
+fn main() {}

test_suite/tests/ui/identifier/other_not_last.stderr

@@ -0,0 +1,8 @@
+error: #[serde(other)] must be the last variant
+  --> $DIR/other_not_last.rs:12:10
+   |
+12 | #[derive(Deserialize)]
+   |          ^^^^^^^^^^^
+
+error: aborting due to previous error
+

test_suite/tests/ui/identifier/serialize.rs

@@ -0,0 +1,19 @@
+// Copyright 2017 Serde Developers
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#[macro_use]
+extern crate serde_derive;
+
+#[derive(Serialize)]
+#[serde(field_identifier)]
+enum F {
+    A,
+    B,
+}
+
+fn main() {}

test_suite/tests/ui/identifier/serialize.stderr

@@ -0,0 +1,8 @@
+error: field identifiers cannot be serialized
+  --> $DIR/serialize.rs:12:10
+   |
+12 | #[derive(Serialize)]
+   |          ^^^^^^^^^
+
+error: aborting due to previous error
+

test_suite/tests/ui/identifier/variant_struct.rs

@@ -0,0 +1,16 @@
+// Copyright 2017 Serde Developers
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#[macro_use]
+extern crate serde_derive;
+
+#[derive(Deserialize)]
+#[serde(variant_identifier)]
+struct S;
+
+fn main() {}

test_suite/tests/ui/identifier/variant_struct.stderr

@@ -0,0 +1,8 @@
+error: `variant_identifier` can only be used on an enum
+  --> $DIR/variant_struct.rs:12:10
+   |
+12 | #[derive(Deserialize)]
+   |          ^^^^^^^^^^^
+
+error: aborting due to previous error
+

test_suite/tests/ui/identifier/variant_tuple.rs

@@ -0,0 +1,19 @@
+// Copyright 2017 Serde Developers
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#[macro_use]
+extern crate serde_derive;
+
+#[derive(Deserialize)]
+#[serde(variant_identifier)]
+enum F {
+    A,
+    B(u8, u8),
+}
+
+fn main() {}

test_suite/tests/ui/identifier/variant_tuple.stderr

@@ -0,0 +1,8 @@
+error: variant_identifier may only contain unit variants
+  --> $DIR/variant_tuple.rs:12:10
+   |
+12 | #[derive(Deserialize)]
+   |          ^^^^^^^^^^^
+
+error: aborting due to previous error
+