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/bitflags/tests/compile-fail/visibility/private_field.rs

@@ -0,0 +1,13 @@
+mod example {
+    use bitflags::bitflags;
+
+    bitflags! {
+        pub struct Flags1: u32 {
+            const FLAG_A = 0b00000001;
+        }
+    }
+}
+
+fn main() {
+    let flag1 = example::Flags1::FLAG_A.bits;
+}