diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..0a1f2a4
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/ryu-0.2.3.crate
diff --git a/rust-ryu.spec b/rust-ryu.spec
new file mode 100644
index 0000000..4ed24b8
--- /dev/null
+++ b/rust-ryu.spec
@@ -0,0 +1,63 @@
+# Generated by rust2rpm
+%bcond_without check
+%global debug_package %{nil}
+
+%global crate ryu
+
+Name:           rust-%{crate}
+Version:        0.2.3
+Release:        1%{?dist}
+Summary:        Fast floating point to string conversion
+
+License:        ASL 2.0
+URL:            https://crates.io/crates/ryu
+Source0:        https://crates.io/api/v1/crates/%{crate}/%{version}/download#/%{crate}-%{version}.crate
+# Initial patched metadata
+# * no-panic is nightly
+Patch0:         ryu-0.2.3-fix-metadata.diff
+
+ExclusiveArch:  %{rust_arches}
+
+BuildRequires:  rust-packaging
+%if %{with check}
+# [dev-dependencies]
+BuildRequires:  (crate(num_cpus) >= 1.8.0 with crate(num_cpus) < 2.0.0)
+BuildRequires:  (crate(rand) >= 0.5.0 with crate(rand) < 0.6.0)
+%endif
+
+%description
+%{summary}.
+
+%package        devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description    devel
+Fast floating point to string conversion.
+
+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-APACHE
+%doc README.md
+%{cargo_registry}/%{crate}-%{version}/
+
+%changelog
+* Sat Aug 18 2018 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 0.2.3-1
+- Initial package
diff --git a/ryu-0.2.3-fix-metadata.diff b/ryu-0.2.3-fix-metadata.diff
new file mode 100644
index 0000000..2875c7c
--- /dev/null
+++ b/ryu-0.2.3-fix-metadata.diff
@@ -0,0 +1,12 @@
+--- ryu-0.2.3/Cargo.toml	1970-01-01T01:00:00+01:00
++++ ryu-0.2.3/Cargo.toml	2018-08-18T10:28:43.004059+02:00
+@@ -24,9 +24,6 @@
+ [[example]]
+ name = "benchmark"
+ path = "benchmark/benchmark.rs"
+-[dependencies.no-panic]
+-version = "0.1"
+-optional = true
+ [dev-dependencies.num_cpus]
+ version = "1.8"
+ 
diff --git a/sources b/sources
new file mode 100644
index 0000000..829d50f
--- /dev/null
+++ b/sources
@@ -0,0 +1 @@
+SHA512 (ryu-0.2.3.crate) = d7580338830c6c901df1d36459eb1dd1beda27a4399b315b104838c53d38a240288dc9dca64514a4f56a69522bcba8111172f6beb3d8124dda77f085cd2333c0