diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..9578d11
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,4 @@
+/results_*/
+/*.src.rpm
+
+/heck-0.3.3.crate
diff --git a/README.md b/README.md
deleted file mode 100644
index 65d25e1..0000000
--- a/README.md
+++ /dev/null
@@ -1,3 +0,0 @@
-# rust-heck0.3
-
-The rust-heck0.3 package
diff --git a/rust-heck0.3.spec b/rust-heck0.3.spec
new file mode 100644
index 0000000..6f99784
--- /dev/null
+++ b/rust-heck0.3.spec
@@ -0,0 +1,71 @@
+# Generated by rust2rpm 20
+%bcond_without check
+%global debug_package %{nil}
+
+%global crate heck
+
+Name:           rust-%{crate}0.3
+Version:        0.3.3
+Release:        %autorelease
+Summary:        Case conversion library
+
+# Upstream license specification: MIT OR Apache-2.0
+License:        MIT or ASL 2.0
+URL:            https://crates.io/crates/heck
+Source:         %{crates_source}
+
+ExclusiveArch:  %{rust_arches}
+
+BuildRequires:  rust-packaging
+
+%global _description %{expand:
+Case conversion library.}
+
+%description %{_description}
+
+%package        devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description    devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "%{crate}" crate.
+
+%files          devel
+%license LICENSE-APACHE LICENSE-MIT
+%doc README.md
+%{cargo_registry}/%{crate}-%{version_no_tilde}/
+
+%package     -n %{name}+default-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+default-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "default" feature of the "%{crate}" crate.
+
+%files       -n %{name}+default-devel
+%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+
+%prep
+%autosetup -n %{crate}-%{version_no_tilde} -p1
+%cargo_prep
+
+%generate_buildrequires
+%cargo_generate_buildrequires
+
+%build
+%cargo_build
+
+%install
+%cargo_install
+
+%if %{with check}
+%check
+%cargo_test
+%endif
+
+%changelog
+%autochangelog
diff --git a/sources b/sources
new file mode 100644
index 0000000..7d91489
--- /dev/null
+++ b/sources
@@ -0,0 +1 @@
+SHA512 (heck-0.3.3.crate) = b3498e033f44e03206421e565efec5b21d13107b60d35e4476331c44e6effd75c81f7678f2452c822eefd581209a2ffefd2034779cca2d8b4fac4583bbbf777f