Do not pull optional dependencies

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

rust-nom.spec

@@ -6,7 +6,7 @@
 
 Name:           rust-%{crate}
 Version:        4.2.2
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        Byte-oriented, zero-copy, parser combinators library
 
 License:        MIT
@@ -19,10 +19,8 @@ Patch0:         nom-fix-metadata.diff
 ExclusiveArch:  %{rust_arches}
 
 BuildRequires:  rust-packaging
-BuildRequires:  (crate(lazy_static/default) >= 1.0.0 with crate(lazy_static/default) < 2.0.0)
 BuildRequires:  (crate(memchr) >= 2.0.0 with crate(memchr) < 3.0.0)
 BuildRequires:  (crate(memchr/use_std) >= 2.0.0 with crate(memchr/use_std) < 3.0.0)
-BuildRequires:  (crate(regex/default) >= 1.0.0 with crate(regex/default) < 2.0.0)
 BuildRequires:  (crate(version_check/default) >= 0.1.0 with crate(version_check/default) < 0.2.0)
 %if %{with check}
 BuildRequires:  (crate(criterion/default) >= 0.2.0 with crate(criterion/default) < 0.3.0)
@@ -160,6 +158,9 @@ which use "verbose-errors" feature of "%{crate}" crate.
 %endif
 
 %changelog
+* Sun Mar 10 2019 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 4.2.2-2
+- Do not pull optional dependencies
+
 * Mon Mar 04 2019 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 4.2.2-1
 - Update to 4.2.2