Remove alloc feature

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

gimli-fix-metadata.diff

@@ -0,0 +1,10 @@
+--- gimli-0.16.1/Cargo.toml	1970-01-01T01:00:00+01:00
++++ gimli-0.16.1/Cargo.toml	2019-02-10T15:17:31.951200+01:00
+@@ -65,7 +65,6 @@
+ version = "1"
+ 
+ [features]
+-alloc = ["fallible-iterator/alloc", "stable_deref_trait/alloc"]
+ default = ["std"]
+ std = ["fallible-iterator/std", "stable_deref_trait/std"]
+ [badges.coveralls]

rust-gimli.spec

@@ -13,6 +13,9 @@ Summary:        Blazing fast DWARF debugging format parser
 License:        ASL 2.0 or MIT
 URL:            https://crates.io/crates/gimli
 Source:         %{crates_source}
+# Initial patched metadata
+# * alloc feature is nightly
+Patch0:         gimli-fix-metadata.diff
 
 ExclusiveArch:  %{rust_arches}
 
@@ -20,10 +23,8 @@ BuildRequires:  rust-packaging
 BuildRequires:  (crate(arrayvec) >= 0.4.6 with crate(arrayvec) < 0.5.0)
 BuildRequires:  (crate(byteorder) >= 1.0.0 with crate(byteorder) < 2.0.0)
 BuildRequires:  (crate(fallible-iterator) >= 0.1.4 with crate(fallible-iterator) < 0.2.0)
-BuildRequires:  (crate(fallible-iterator/alloc) >= 0.1.4 with crate(fallible-iterator/alloc) < 0.2.0)
 BuildRequires:  (crate(fallible-iterator/std) >= 0.1.4 with crate(fallible-iterator/std) < 0.2.0)
 BuildRequires:  (crate(stable_deref_trait) >= 1.1.0 with crate(stable_deref_trait) < 2.0.0)
-BuildRequires:  (crate(stable_deref_trait/alloc) >= 1.1.0 with crate(stable_deref_trait/alloc) < 2.0.0)
 BuildRequires:  (crate(stable_deref_trait/std) >= 1.1.0 with crate(stable_deref_trait/std) < 2.0.0)
 %if %{with check}
 BuildRequires:  (crate(crossbeam/default) >= 0.4.1 with crate(crossbeam/default) < 0.5.0)
@@ -69,18 +70,6 @@ which use "default" feature of "%{crate}" crate.
 %files       -n %{name}+default-devel
 %ghost %{cargo_registry}/%{crate}-%{version}/Cargo.toml
 
-%package     -n %{name}+alloc-devel
-Summary:        %{summary}
-BuildArch:      noarch
-
-%description -n %{name}+alloc-devel %{_description}
-
-This package contains library source intended for building other packages
-which use "alloc" feature of "%{crate}" crate.
-
-%files       -n %{name}+alloc-devel
-%ghost %{cargo_registry}/%{crate}-%{version}/Cargo.toml
-
 %package     -n %{name}+std-devel
 Summary:        %{summary}
 BuildArch:      noarch