RPM build fix (reverted CI changes which will need to be un-reverted or made conditional) and vendor Rust dependencies to make builds much faster in any CI system.

zeroidc/vendor/cbindgen/tests/expectations/layout_aligned_opaque.both.compat.c

@@ -0,0 +1,34 @@
+#define CBINDGEN_PACKED        __attribute__ ((packed))
+#define CBINDGEN_ALIGNED(n)    __attribute__ ((aligned(n)))
+
+
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+typedef struct OpaqueAlign16Union OpaqueAlign16Union;
+
+typedef struct OpaqueAlign1Struct OpaqueAlign1Struct;
+
+typedef struct OpaqueAlign1Union OpaqueAlign1Union;
+
+typedef struct OpaqueAlign2Struct OpaqueAlign2Struct;
+
+typedef struct OpaqueAlign32Struct OpaqueAlign32Struct;
+
+typedef struct OpaqueAlign4Struct OpaqueAlign4Struct;
+
+typedef struct OpaqueAlign4Union OpaqueAlign4Union;
+
+typedef struct OpaqueAlign8Struct OpaqueAlign8Struct;
+
+typedef struct CBINDGEN_PACKED PackedStruct {
+  uintptr_t arg1;
+  uint8_t *arg2;
+} PackedStruct;
+
+typedef union CBINDGEN_PACKED PackedUnion {
+  uintptr_t variant1;
+  uint8_t *variant2;
+} PackedUnion;