Architecture specific change in rpms/rust-conv.git

The package rpms/rust-conv.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-conv.git/commit/?id=ecfd5c22b86....

Change:
+ExclusiveArch:  %{rust_arches}

Thanks.

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

commit ecfd5c22b868a10fa4c870333974b99a9417d44d
Author: Randy Barlow 
Date:   Wed Jan 29 10:36:01 2020 -0500

Initial import

Signed-off-by: Randy Barlow

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..4eb30d9
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/conv-0.3.3.crate
diff --git a/rust-conv.spec b/rust-conv.spec
new file mode 100644
index 0000000..1d17018
--- /dev/null
+++ b/rust-conv.spec
@@ -0,0 +1,82 @@
+# Generated by rust2rpm 13
+# Upstream requires a much older quickcheck that is available in Fedora, so disable tests for now.
+%bcond_with check
+%global debug_package %{nil}
+
+%global crate conv
+
+Name:           rust-%{crate}
+Version:        0.3.3
+Release:        1%{?dist}
+Summary:        Number of conversion traits with more specific semantics
+
+# Upstream license specification: MIT
+License:        MIT
+URL:            https://crates.io/crates/conv
+Source:         %{crates_source}
+
+ExclusiveArch:  %{rust_arches}
+%if %{__cargo_skip_build}
+BuildArch:      noarch
+%endif
+
+BuildRequires:  dos2unix
+BuildRequires:  rust-packaging
+
+%global _description %{expand:
+Number of conversion traits with more specific semantics than those provided by
+'as' or 'From'/'Into'.}
+
+%description %{_description}
+
+%package        devel
+Summary:        %{summary}
+License:		MIT
+BuildArch:      noarch
+
+%description    devel %{_description}
+
+This package contains library source intended for building other packages
+which use "%{crate}" crate.
+
+%files          devel
+%doc README.md
+%license LICENSE
+%{cargo_registry}/%{crate}-%{version_no_tilde}/
+
+%package     -n %{name}+default-devel
+Summary:        %{summary}
+License:		MIT
+BuildArch:      noarch
+
+%description -n %{name}+default-devel %{_description}
+
+This package contains library source intended for building other packages
+which use "default" feature of "%{crate}" crate.
+
+%files       -n %{name}+default-devel
+%license LICENSE
+%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+
+%prep
+%autosetup -n %{crate}-%{version_no_tilde} -p1
+dos2unix README.md
+%cargo_prep
+
+%generate_buildrequires
+%cargo_generate_buildrequires
+
+%build
+%cargo_build
+
+%install
+%cargo_install
+
+%if %{with check}
+%check
+%cargo_test
+%endif
+
+%changelog
+* Tue Jan 21 11:59:45 EST 2020 Randy Barlow  - 0.3.3-1
+- Initial package
diff --git a/sources b/sources
new file mode 100644
index 0000000..1f73a3a
--- /dev/null
+++ b/sources
@@ -0,0 +1 @@
+SHA512 (conv-0.3.3.crate) = f050cff8528f0fb5a8dd936995c423c5478afc47041c3a8cc8611ceae3228098b80589fdadf78d0028e960fa354768440dd7084cf295a29f2c6aeb554f47a8cb