diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..472b7a7
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/memmem-0.1.1.crate
diff --git a/memmem-fix-metadata.diff b/memmem-fix-metadata.diff
new file mode 100644
index 0000000..33734e6
--- /dev/null
+++ b/memmem-fix-metadata.diff
@@ -0,0 +1,9 @@
+--- memmem-0.1.1/Cargo.toml	2016-05-01T10:14:34+00:00
++++ memmem-0.1.1/Cargo.toml	2022-01-28T14:39:10.954847+00:00
+@@ -9,5 +9,5 @@
+ license = "MIT/Apache-2.0"
+ 
+ [dev-dependencies]
+-quickcheck = "0.2"
++quickcheck = "1.0"
+ 
diff --git a/rust-memmem.spec b/rust-memmem.spec
new file mode 100644
index 0000000..0c80565
--- /dev/null
+++ b/rust-memmem.spec
@@ -0,0 +1,74 @@
+# Generated by rust2rpm 20
+%bcond_without check
+%global debug_package %{nil}
+
+%global crate memmem
+
+Name:           rust-%{crate}
+Version:        0.1.1
+Release:        %autorelease
+Summary:        Substring searching
+
+# Upstream license specification: MIT/Apache-2.0
+License:        MIT or ASL 2.0
+URL:            https://crates.io/crates/memmem
+Source:         %{crates_source}
+# Initial patched metadata
+# Bump quickcheck to 1.0
+Patch0:         memmem-fix-metadata.diff
+
+ExclusiveArch:  %{rust_arches}
+
+BuildRequires:  rust-packaging
+
+%global _description %{expand:
+Substring searching.}
+
+%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..19ae585
--- /dev/null
+++ b/sources
@@ -0,0 +1 @@
+SHA512 (memmem-0.1.1.crate) = f4ee8123e0263c30898ff1e397bb3daf4e027aadf520977ccaf5bfc4ec8158b398a19bae6d48a85a084e43d80d5ddcbb3cbfdf986080041ce958d2c8f5eb897a