Architecture specific change in rpms/rust-resctl-demo.git

The package rpms/rust-resctl-demo.git has added or updated architecture specific content in its
spec file (ExclusiveArch/ExcludeArch or %ifarch/%ifnarch) in commit(s):
https://src.fedoraproject.org/cgit/rpms/rust-resctl-demo.git/commit/?id=cd51....

Change:
+ExclusiveArch:  %{rust_arches}

Thanks.

Full change:
============

commit cd5172d56f93a8d10f83d76e2a421d68166854ed
Author: Davide Cavalca 
Date:   Fri Oct 22 08:32:22 2021 -0700

Initial import; Fixes: RHBZ#1997731

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..6e66f0c
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/resctl-demo-2.1.2.crate
diff --git a/rust-resctl-demo.spec b/rust-resctl-demo.spec
new file mode 100644
index 0000000..47e37f5
--- /dev/null
+++ b/rust-resctl-demo.spec
@@ -0,0 +1,60 @@
+# Generated by rust2rpm 18
+%bcond_without check
+%global __cargo_skip_build 0
+
+%global crate resctl-demo
+
+Name:           rust-%{crate}
+Version:        2.1.2
+Release:        %autorelease
+Summary:        Guided tour of Linux resource control with live demos
+
+# Upstream license specification: Apache-2.0
+License:        ASL 2.0 and BSD and MIT
+URL:            https://crates.io/crates/resctl-demo
+Source:         %{crates_source}
+
+ExclusiveArch:  %{rust_arches}
+
+BuildRequires:  rust-packaging
+
+%global _description %{expand:
+resctl-demo demonstrates and documents various aspects of resource control
+using self-contained workloads in guided scenarios.}
+
+%description %{_description}
+
+%package     -n %{crate}
+Summary:        %{summary}
+
+Requires:       rd-agent = %{version}
+Requires:       rd-hashd = %{version}
+Requires:       gnuplot
+
+%description -n %{crate} %{_description}
+
+%files       -n %{crate}
+%license LICENSE
+%doc README.md
+%{_bindir}/resctl-demo
+
+%prep
+%autosetup -n %{crate}-%{version_no_tilde} -p1
+%cargo_prep
+
+%generate_buildrequires
+%cargo_generate_buildrequires
+
+%build
+%cargo_build
+
+%install
+%cargo_install
+
+%if %{with check}
+%check
+%cargo_test
+%endif
+
+%changelog
+%autochangelog
diff --git a/sources b/sources
new file mode 100644
index 0000000..30e5a48
--- /dev/null
+++ b/sources
@@ -0,0 +1 @@
+SHA512 (resctl-demo-2.1.2.crate) = 76d7c962aa0611fa1dc750e856499c20b53224078a8ddfe2fe1dc6e580aca6c4147becc45216a19722f8da52959e262271509c44fe2e7582c783cc4005981246