diff --git a/.gitignore b/.gitignore
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index 0000000..2c3309b
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/downcast-rs-1.0.0.crate
diff --git a/rust-downcast-rs.spec b/rust-downcast-rs.spec
new file mode 100644
index 0000000..92b79ca
--- /dev/null
+++ b/rust-downcast-rs.spec
@@ -0,0 +1,56 @@
+# Generated by rust2rpm
+%bcond_without check
+%global debug_package %{nil}
+
+%global crate downcast-rs
+
+Name:           rust-%{crate}
+Version:        1.0.0
+Release:        1%{?dist}
+Summary:        Trait object downcasting support using safe code
+
+License:        MIT or ASL 2.0
+URL:            https://crates.io/crates/downcast-rs
+Source0:        https://crates.io/api/v1/crates/%{crate}/%{version}/download#/%{crate}-%{version}.crate
+
+ExclusiveArch:  %{rust_arches}
+
+BuildRequires:  rust-packaging
+
+%description
+%{summary}.
+
+%package        devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description    devel
+Trait object downcasting support using safe code and supporting type
+parameters, associated types, and type constraints.
+
+This package contains library source intended for building other packages
+which use %{crate} from crates.io.
+
+%prep
+%autosetup -n %{crate}-%{version} -p1
+%cargo_prep
+
+%build
+%cargo_build
+
+%install
+%cargo_install
+
+%if %{with check}
+%check
+%cargo_test
+%endif
+
+%files          devel
+%license LICENSE-MIT LICENSE-APACHE
+%doc README.md README.tpl
+%{cargo_registry}/%{crate}-%{version}/
+
+%changelog
+* Wed Jan 24 2018 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 1.0.0-1
+- Initial package
diff --git a/sources b/sources
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index 0000000..0d46464
--- /dev/null
+++ b/sources
@@ -0,0 +1 @@
+SHA512 (downcast-rs-1.0.0.crate) = aaa83b2eabc736372fbd7d73d12ae1bfccdb7d883357d5aded091054639a9e6a40a06684ef33508bf3ea80ecb29bc33e4b738b1262c5dff06fb19e62bad0ba09