update to synstructure 0.13.1 and fix tests

Some tests were broken by a rustc changes. Upgrading to synstructure
0.13.1 fixes that but breaks the tests a different way.

So we upgrade to synstructure 0.13.1 and also change the expectations to
match what it does.

Author: ComputerDruid

custom_debug_derive/Cargo.toml

@@ -12,7 +12,7 @@ edition = "2021"
 proc-macro = true
 
 [dependencies]
-synstructure = "0.13.0"
+synstructure = "0.13.1"
 proc-macro2 = "1.0.76"
 syn = "2.0.48"
 quote = "1.0.35"

custom_debug_derive/src/tests.rs

@@ -13,8 +13,7 @@ fn test_default_struct() {
         }
 
         expands to {
-            #[allow(non_upper_case_globals)]
-            const _DERIVE_core_fmt_Debug_FOR_Point: () = {
+            const _: () = {
                 impl ::core::fmt::Debug for Point {
                     fn fmt(&self, fmt: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
                         match self {
@@ -44,8 +43,7 @@ fn test_format() {
         }
 
         expands to {
-            #[allow(non_upper_case_globals)]
-            const _DERIVE_core_fmt_Debug_FOR_Point: () = {
+            const _: () = {
                 impl ::core::fmt::Debug for Point {
                     fn fmt(&self, fmt: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
                         match self {
@@ -77,8 +75,7 @@ fn test_with() {
         }
 
         expands to {
-            #[allow(non_upper_case_globals)]
-            const _DERIVE_core_fmt_Debug_FOR_Point: () = {
+            const _: () = {
                 impl ::core::fmt::Debug for Point {
                     fn fmt(&self, fmt: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
                         match self {
@@ -127,8 +124,7 @@ fn test_skip() {
         }
 
         expands to {
-            #[allow(non_upper_case_globals)]
-            const _DERIVE_core_fmt_Debug_FOR_Point: () = {
+            const _: () = {
                 impl ::core::fmt::Debug for Point {
                     fn fmt(&self, fmt: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
                         match self {
@@ -161,8 +157,7 @@ fn test_conditional_skip() {
         }
 
         expands to {
-            #[allow(non_upper_case_globals)]
-            const _DERIVE_core_fmt_Debug_FOR_Point: () = {
+            const _: () = {
                 impl ::core::fmt::Debug for Point {
                     fn fmt(&self, fmt: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
                         match self {
@@ -198,8 +193,7 @@ fn test_enum() {
         }
 
         expands to {
-            #[allow(non_upper_case_globals)]
-            const _DERIVE_core_fmt_Debug_FOR_Foo: () = {
+            const _: () = {
                 impl ::core::fmt::Debug for Foo {
                     fn fmt(&self, fmt: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
                         match self {
@@ -256,8 +250,7 @@ fn test_bounds_on_skipped() {
         }
 
         expands to {
-            #[allow(non_upper_case_globals)]
-            const _DERIVE_core_fmt_Debug_FOR_WantDebug: () = {
+            const _: () = {
                 impl<T> ::core::fmt::Debug for WantDebug<T>
                     where
                         TemplatedType<T>: ::core::fmt::Debug
@@ -301,8 +294,7 @@ fn test_bounds_on_fields_only() {
         }
 
         expands to {
-            #[allow(non_upper_case_globals)]
-            const _DERIVE_core_fmt_Debug_FOR_WantDebug: () = {
+            const _: () = {
                 impl<T> ::core::fmt::Debug for WantDebug<T>
                     where
                         TemplatedType<T>: ::core::fmt::Debug,