diff --git a/.gitignore b/.gitignore
index d091f6e..28cd57e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 /linux-raw-sys-0.0.36.crate
+/linux-raw-sys-0.0.42.crate
diff --git a/.rust2rpm.conf b/.rust2rpm.conf
new file mode 100644
index 0000000..302578b
--- /dev/null
+++ b/.rust2rpm.conf
@@ -0,0 +1,5 @@
+[DEFAULT]
+unwanted-features =
+  compiler_builtins
+  core
+  rustc-dep-of-std
diff --git a/rust-linux-raw-sys.spec b/rust-linux-raw-sys.spec
index e85a1e0..a7ae9eb 100644
--- a/rust-linux-raw-sys.spec
+++ b/rust-linux-raw-sys.spec
@@ -1,11 +1,11 @@
-# Generated by rust2rpm 18
+# Generated by rust2rpm 21
 %bcond_without check
 %global debug_package %{nil}
 
 %global crate linux-raw-sys
 
 Name:           rust-%{crate}
-Version:        0.0.36
+Version:        0.0.42
 Release:        %autorelease
 Summary:        Generated bindings for Linux's userspace API
 
@@ -13,16 +13,10 @@ Summary:        Generated bindings for Linux's userspace API
 License:        ASL 2.0 or MIT
 URL:            https://crates.io/crates/linux-raw-sys
 Source:         %{crates_source}
-# Initial patched metadata
-# - drop dependencies on compiler internals
-Patch0:         linux-raw-sys-fix-metadata.diff
 
 ExclusiveArch:  %{rust_arches}
-%if %{__cargo_skip_build}
-BuildArch:      noarch
-%endif
 
-BuildRequires:  rust-packaging
+BuildRequires:  rust-packaging >= 21
 
 %global _description %{expand:
 Generated bindings for Linux's userspace API.}
@@ -35,14 +29,16 @@ BuildArch:      noarch
 
 %description    devel %{_description}
 
-This package contains library source intended for building other packages
-which use "%{crate}" crate.
+This package contains library source intended for building other packages which
+use the "%{crate}" crate.
 
 %files          devel
-%doc README.md
-%license LICENSE-APACHE LICENSE-MIT COPYRIGHT
-%license LICENSE-Apache-2.0_WITH_LLVM-exception
-%{cargo_registry}/%{crate}-%{version_no_tilde}/
+%license %{crate_instdir}/COPYRIGHT
+%license %{crate_instdir}/LICENSE-APACHE
+%license %{crate_instdir}/LICENSE-Apache-2.0_WITH_LLVM-exception
+%license %{crate_instdir}/LICENSE-MIT
+%doc %{crate_instdir}/README.md
+%{crate_instdir}/
 
 %package     -n %{name}+default-devel
 Summary:        %{summary}
@@ -50,11 +46,11 @@ BuildArch:      noarch
 
 %description -n %{name}+default-devel %{_description}
 
-This package contains library source intended for building other packages
-which use "default" feature of "%{crate}" crate.
+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
+%ghost %{crate_instdir}/Cargo.toml
 
 %package     -n %{name}+errno-devel
 Summary:        %{summary}
@@ -62,11 +58,11 @@ BuildArch:      noarch
 
 %description -n %{name}+errno-devel %{_description}
 
-This package contains library source intended for building other packages
-which use "errno" feature of "%{crate}" crate.
+This package contains library source intended for building other packages which
+use the "errno" feature of the "%{crate}" crate.
 
 %files       -n %{name}+errno-devel
-%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+%ghost %{crate_instdir}/Cargo.toml
 
 %package     -n %{name}+general-devel
 Summary:        %{summary}
@@ -74,11 +70,23 @@ BuildArch:      noarch
 
 %description -n %{name}+general-devel %{_description}
 
-This package contains library source intended for building other packages
-which use "general" feature of "%{crate}" crate.
+This package contains library source intended for building other packages which
+use the "general" feature of the "%{crate}" crate.
 
 %files       -n %{name}+general-devel
-%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+ioctl-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+ioctl-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "ioctl" feature of the "%{crate}" crate.
+
+%files       -n %{name}+ioctl-devel
+%ghost %{crate_instdir}/Cargo.toml
 
 %package     -n %{name}+netlink-devel
 Summary:        %{summary}
@@ -86,11 +94,11 @@ BuildArch:      noarch
 
 %description -n %{name}+netlink-devel %{_description}
 
-This package contains library source intended for building other packages
-which use "netlink" feature of "%{crate}" crate.
+This package contains library source intended for building other packages which
+use the "netlink" feature of the "%{crate}" crate.
 
 %files       -n %{name}+netlink-devel
-%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+%ghost %{crate_instdir}/Cargo.toml
 
 %package     -n %{name}+no_std-devel
 Summary:        %{summary}
@@ -98,11 +106,11 @@ BuildArch:      noarch
 
 %description -n %{name}+no_std-devel %{_description}
 
-This package contains library source intended for building other packages
-which use "no_std" feature of "%{crate}" crate.
+This package contains library source intended for building other packages which
+use the "no_std" feature of the "%{crate}" crate.
 
 %files       -n %{name}+no_std-devel
-%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+%ghost %{crate_instdir}/Cargo.toml
 
 %package     -n %{name}+std-devel
 Summary:        %{summary}
@@ -110,107 +118,11 @@ BuildArch:      noarch
 
 %description -n %{name}+std-devel %{_description}
 
-This package contains library source intended for building other packages
-which use "std" feature of "%{crate}" crate.
+This package contains library source intended for building other packages which
+use the "std" feature of the "%{crate}" crate.
 
 %files       -n %{name}+std-devel
-%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
-
-%package     -n %{name}+v2_6_32-devel
-Summary:        %{summary}
-BuildArch:      noarch
-
-%description -n %{name}+v2_6_32-devel %{_description}
-
-This package contains library source intended for building other packages
-which use "v2_6_32" feature of "%{crate}" crate.
-
-%files       -n %{name}+v2_6_32-devel
-%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
-
-%package     -n %{name}+v3_10-devel
-Summary:        %{summary}
-BuildArch:      noarch
-
-%description -n %{name}+v3_10-devel %{_description}
-
-This package contains library source intended for building other packages
-which use "v3_10" feature of "%{crate}" crate.
-
-%files       -n %{name}+v3_10-devel
-%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
-
-%package     -n %{name}+v3_2-devel
-Summary:        %{summary}
-BuildArch:      noarch
-
-%description -n %{name}+v3_2-devel %{_description}
-
-This package contains library source intended for building other packages
-which use "v3_2" feature of "%{crate}" crate.
-
-%files       -n %{name}+v3_2-devel
-%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
-
-%package     -n %{name}+v4_2-devel
-Summary:        %{summary}
-BuildArch:      noarch
-
-%description -n %{name}+v4_2-devel %{_description}
-
-This package contains library source intended for building other packages
-which use "v4_2" feature of "%{crate}" crate.
-
-%files       -n %{name}+v4_2-devel
-%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
-
-%package     -n %{name}+v4_20-devel
-Summary:        %{summary}
-BuildArch:      noarch
-
-%description -n %{name}+v4_20-devel %{_description}
-
-This package contains library source intended for building other packages
-which use "v4_20" feature of "%{crate}" crate.
-
-%files       -n %{name}+v4_20-devel
-%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
-
-%package     -n %{name}+v4_4-devel
-Summary:        %{summary}
-BuildArch:      noarch
-
-%description -n %{name}+v4_4-devel %{_description}
-
-This package contains library source intended for building other packages
-which use "v4_4" feature of "%{crate}" crate.
-
-%files       -n %{name}+v4_4-devel
-%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
-
-%package     -n %{name}+v5_11-devel
-Summary:        %{summary}
-BuildArch:      noarch
-
-%description -n %{name}+v5_11-devel %{_description}
-
-This package contains library source intended for building other packages
-which use "v5_11" feature of "%{crate}" crate.
-
-%files       -n %{name}+v5_11-devel
-%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
-
-%package     -n %{name}+v5_4-devel
-Summary:        %{summary}
-BuildArch:      noarch
-
-%description -n %{name}+v5_4-devel %{_description}
-
-This package contains library source intended for building other packages
-which use "v5_4" feature of "%{crate}" crate.
-
-%files       -n %{name}+v5_4-devel
-%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+%ghost %{crate_instdir}/Cargo.toml
 
 %prep
 %autosetup -n %{crate}-%{version_no_tilde} -p1
diff --git a/sources b/sources
index e9b23b3..a50569f 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (linux-raw-sys-0.0.36.crate) = da049bf2d5eb8730793cd4ebd5bbca6080972730cf601714759c926e7196a629b8672920b6a4dfc6612a8b5795ccc5d7c1f1d6819c6073d746e226acd13c1a22
+SHA512 (linux-raw-sys-0.0.42.crate) = 69f3e8894c01b0da58459b06e1d6b2dd73fa927eda1cddb339645cf35202c21e971082620ecb7fc0d6427cf1aa89c1ec859bb6bf2ce76a3cac727c3e4fccae6d