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.pyx

@@ -0,0 +1,43 @@
+#define CBINDGEN_PACKED        __attribute__ ((packed))
+#define CBINDGEN_ALIGNED(n)    __attribute__ ((aligned(n)))
+
+
+from libc.stdint cimport int8_t, int16_t, int32_t, int64_t, intptr_t
+from libc.stdint cimport uint8_t, uint16_t, uint32_t, uint64_t, uintptr_t
+cdef extern from *:
+  ctypedef bint bool
+  ctypedef struct va_list
+
+cdef extern from *:
+
+  ctypedef struct OpaqueAlign16Union:
+    pass
+
+  ctypedef struct OpaqueAlign1Struct:
+    pass
+
+  ctypedef struct OpaqueAlign1Union:
+    pass
+
+  ctypedef struct OpaqueAlign2Struct:
+    pass
+
+  ctypedef struct OpaqueAlign32Struct:
+    pass
+
+  ctypedef struct OpaqueAlign4Struct:
+    pass
+
+  ctypedef struct OpaqueAlign4Union:
+    pass
+
+  ctypedef struct OpaqueAlign8Struct:
+    pass
+
+  ctypedef packed struct PackedStruct:
+    uintptr_t arg1;
+    uint8_t *arg2;
+
+  ctypedef union PackedUnion:
+    uintptr_t variant1;
+    uint8_t *variant2;