Update syn related dependencies and bump version

Cargo.toml

@@ -14,7 +14,7 @@ readme = "README.md"
 repository = "https://github.com/rust-lang/rust-bindgen"
 documentation = "https://docs.rs/bindgen"
 homepage = "https://rust-lang.github.io/rust-bindgen/"
-version = "0.51.0"
+version = "0.51.1"
 build = "build.rs"
 
 include = [
@@ -52,14 +52,14 @@ clap = { version = "2", optional = true }
 clang-sys = { version = "0.28.0", features = ["runtime", "clang_6_0"] }
 lazy_static = "1"
 peeking_take_while = "0.1.2"
-quote = { version = "0.6", default-features = false }
+quote = { version = "1", default-features = false }
 regex = "1.0"
 which = ">=1.0, <3.0"
 shlex = "0.1"
 fxhash = "0.2"
 # New validation in 0.3.6 breaks bindgen-integration:
 # https://github.com/alexcrichton/proc-macro2/commit/489c642.
-proc-macro2 = { version = "0.4", default-features = false }
+proc-macro2 = { version = "1", default-features = false }
 
 [dependencies.env_logger]
 optional = true

src/ir/traversal.rs

@@ -511,6 +511,6 @@ mod tests {
     #[allow(dead_code)]
     fn traversal_predicate_is_object_safe() {
         // This should compile only if TraversalPredicate is object safe.
-        fn takes_by_trait_object(_: &TraversalPredicate) {}
+        fn takes_by_trait_object(_: &dyn TraversalPredicate) {}
     }
 }

tests/expectations/tests/objc_class_method.rs

@@ -22,31 +22,31 @@ pub trait Foo {
 impl Foo for id {
     unsafe fn method() {
         msg_send!(
-            objc::runtime::Class::get("Foo").expect("Couldn\'t find Foo"),
+            objc::runtime::Class::get("Foo").expect("Couldn't find Foo"),
             method
         )
     }
     unsafe fn methodWithInt_(foo: ::std::os::raw::c_int) {
         msg_send!(
-            objc::runtime::Class::get("Foo").expect("Couldn\'t find Foo"),
+            objc::runtime::Class::get("Foo").expect("Couldn't find Foo"),
             methodWithInt: foo
         )
     }
     unsafe fn methodWithFoo_(foo: id) {
         msg_send!(
-            objc::runtime::Class::get("Foo").expect("Couldn\'t find Foo"),
+            objc::runtime::Class::get("Foo").expect("Couldn't find Foo"),
             methodWithFoo: foo
         )
     }
     unsafe fn methodReturningInt() -> ::std::os::raw::c_int {
         msg_send!(
-            objc::runtime::Class::get("Foo").expect("Couldn\'t find Foo"),
+            objc::runtime::Class::get("Foo").expect("Couldn't find Foo"),
             methodReturningInt
         )
     }
     unsafe fn methodReturningFoo() -> *mut id {
         msg_send!(
-            objc::runtime::Class::get("Foo").expect("Couldn\'t find Foo"),
+            objc::runtime::Class::get("Foo").expect("Couldn't find Foo"),
             methodReturningFoo
         )
     }
@@ -55,6 +55,6 @@ impl Foo for id {
         ptr: *mut ::std::os::raw::c_char,
         floatvalue: f32,
     ) {
-        msg_send ! ( objc :: runtime :: Class :: get ( "Foo" ) . expect ( "Couldn\'t find Foo" ) , methodWithArg1 : intvalue andArg2 : ptr andArg3 : floatvalue )
+        msg_send ! ( objc :: runtime :: Class :: get ( "Foo" ) . expect ( "Couldn't find Foo" ) , methodWithArg1 : intvalue andArg2 : ptr andArg3 : floatvalue )
     }
 }

tests/expectations/tests/objc_method_clash.rs

@@ -17,7 +17,7 @@ impl Foo for id {
     }
     unsafe fn class_foo() {
         msg_send!(
-            objc::runtime::Class::get("Foo").expect("Couldn\'t find Foo"),
+            objc::runtime::Class::get("Foo").expect("Couldn't find Foo"),
             foo
         )
     }

tests/expectations/tests/objc_whitelist.rs

@@ -17,7 +17,7 @@ impl protocol_SomeProtocol for id {
     }
     unsafe fn protocolClassMethod() {
         msg_send!(
-            objc::runtime::Class::get("SomeProtocol").expect("Couldn\'t find SomeProtocol"),
+            objc::runtime::Class::get("SomeProtocol").expect("Couldn't find SomeProtocol"),
             protocolClassMethod
         )
     }
@@ -32,7 +32,7 @@ impl WhitelistMe for id {
     }
     unsafe fn classMethod() {
         msg_send!(
-            objc::runtime::Class::get("WhitelistMe").expect("Couldn\'t find WhitelistMe"),
+            objc::runtime::Class::get("WhitelistMe").expect("Couldn't find WhitelistMe"),
             classMethod
         )
     }