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/num_cpus/examples/values.rs

@@ -0,0 +1,6 @@
+extern crate num_cpus;
+
+fn main() {
+    println!("Logical CPUs: {}", num_cpus::get());
+    println!("Physical CPUs: {}", num_cpus::get_physical());
+}