Do not pull optional dependencies

Signed-off-by: Igor Gnatenko <ignatenkobrain@fedoraproject.org>

rust-generic-array.spec

@@ -7,7 +7,7 @@
 
 Name:           rust-%{crate}
 Version:        0.12.0
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        Generic types implementing functionality of arrays
 
 License:        MIT
@@ -17,7 +17,6 @@ Source:         %{crates_source}
 ExclusiveArch:  %{rust_arches}
 
 BuildRequires:  rust-packaging
-BuildRequires:  (crate(serde) >= 1.0.0 with crate(serde) < 2.0.0)
 BuildRequires:  (crate(typenum/default) >= 1.10.0 with crate(typenum/default) < 2.0.0)
 %if %{with check}
 BuildRequires:  (crate(bincode/default) >= 1.0.0 with crate(bincode/default) < 2.0.0)
@@ -83,6 +82,9 @@ which use "serde" feature of "%{crate}" crate.
 %endif
 
 %changelog
+* Thu Mar 14 2019 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 0.12.0-4
+- Do not pull optional dependencies
+
 * Sat Feb 02 2019 Fedora Release Engineering <releng@fedoraproject.org> - 0.12.0-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild