diff --git a/rust-serde_with.spec b/rust-serde_with.spec
index bf5df24..5c37a82 100644
--- a/rust-serde_with.spec
+++ b/rust-serde_with.spec
@@ -1,12 +1,12 @@
-# Generated by rust2rpm 24
-# * missing dev-dependencies: serde-xml-rs ^0.5
+# Generated by rust2rpm 25
+# * tests can only be run in-tree
 %bcond_with check
 %global debug_package %{nil}
 
 %global crate serde_with
 
 Name:           rust-serde_with
-Version:        1.14.0
+Version:        3.4.0
 Release:        %autorelease
 Summary:        Custom de/serialization functions for Rust's serde
 
@@ -14,7 +14,7 @@ License:        MIT OR Apache-2.0
 URL:            https://crates.io/crates/serde_with
 Source:         %{crates_source}
 
-BuildRequires:  rust-packaging >= 21
+BuildRequires:  cargo-rpm-macros >= 24
 
 %global _description %{expand:
 Custom de/serialization functions for Rust's serde.}
@@ -49,28 +49,28 @@ use the "default" feature of the "%{crate}" crate.
 %files       -n %{name}+default-devel
 %ghost %{crate_instdir}/Cargo.toml
 
-%package     -n %{name}+base64-devel
+%package     -n %{name}+alloc-devel
 Summary:        %{summary}
 BuildArch:      noarch
 
-%description -n %{name}+base64-devel %{_description}
+%description -n %{name}+alloc-devel %{_description}
 
 This package contains library source intended for building other packages which
-use the "base64" feature of the "%{crate}" crate.
+use the "alloc" feature of the "%{crate}" crate.
 
-%files       -n %{name}+base64-devel
+%files       -n %{name}+alloc-devel
 %ghost %{crate_instdir}/Cargo.toml
 
-%package     -n %{name}+base64_crate-devel
+%package     -n %{name}+base64-devel
 Summary:        %{summary}
 BuildArch:      noarch
 
-%description -n %{name}+base64_crate-devel %{_description}
+%description -n %{name}+base64-devel %{_description}
 
 This package contains library source intended for building other packages which
-use the "base64_crate" feature of the "%{crate}" crate.
+use the "base64" feature of the "%{crate}" crate.
 
-%files       -n %{name}+base64_crate-devel
+%files       -n %{name}+base64-devel
 %ghost %{crate_instdir}/Cargo.toml
 
 %package     -n %{name}+chrono-devel
@@ -85,40 +85,40 @@ use the "chrono" feature of the "%{crate}" crate.
 %files       -n %{name}+chrono-devel
 %ghost %{crate_instdir}/Cargo.toml
 
-%package     -n %{name}+chrono_crate-devel
+%package     -n %{name}+chrono_0_4-devel
 Summary:        %{summary}
 BuildArch:      noarch
 
-%description -n %{name}+chrono_crate-devel %{_description}
+%description -n %{name}+chrono_0_4-devel %{_description}
 
 This package contains library source intended for building other packages which
-use the "chrono_crate" feature of the "%{crate}" crate.
+use the "chrono_0_4" feature of the "%{crate}" crate.
 
-%files       -n %{name}+chrono_crate-devel
+%files       -n %{name}+chrono_0_4-devel
 %ghost %{crate_instdir}/Cargo.toml
 
-%package     -n %{name}+doc-comment-devel
+%package     -n %{name}+guide-devel
 Summary:        %{summary}
 BuildArch:      noarch
 
-%description -n %{name}+doc-comment-devel %{_description}
+%description -n %{name}+guide-devel %{_description}
 
 This package contains library source intended for building other packages which
-use the "doc-comment" feature of the "%{crate}" crate.
+use the "guide" feature of the "%{crate}" crate.
 
-%files       -n %{name}+doc-comment-devel
+%files       -n %{name}+guide-devel
 %ghost %{crate_instdir}/Cargo.toml
 
-%package     -n %{name}+guide-devel
+%package     -n %{name}+hashbrown_0_14-devel
 Summary:        %{summary}
 BuildArch:      noarch
 
-%description -n %{name}+guide-devel %{_description}
+%description -n %{name}+hashbrown_0_14-devel %{_description}
 
 This package contains library source intended for building other packages which
-use the "guide" feature of the "%{crate}" crate.
+use the "hashbrown_0_14" feature of the "%{crate}" crate.
 
-%files       -n %{name}+guide-devel
+%files       -n %{name}+hashbrown_0_14-devel
 %ghost %{crate_instdir}/Cargo.toml
 
 %package     -n %{name}+hex-devel
@@ -145,64 +145,64 @@ use the "indexmap" feature of the "%{crate}" crate.
 %files       -n %{name}+indexmap-devel
 %ghost %{crate_instdir}/Cargo.toml
 
-%package     -n %{name}+indexmap_crate-devel
+%package     -n %{name}+indexmap_1-devel
 Summary:        %{summary}
 BuildArch:      noarch
 
-%description -n %{name}+indexmap_crate-devel %{_description}
+%description -n %{name}+indexmap_1-devel %{_description}
 
 This package contains library source intended for building other packages which
-use the "indexmap_crate" feature of the "%{crate}" crate.
+use the "indexmap_1" feature of the "%{crate}" crate.
 
-%files       -n %{name}+indexmap_crate-devel
+%files       -n %{name}+indexmap_1-devel
 %ghost %{crate_instdir}/Cargo.toml
 
-%package     -n %{name}+json-devel
+%package     -n %{name}+indexmap_2-devel
 Summary:        %{summary}
 BuildArch:      noarch
 
-%description -n %{name}+json-devel %{_description}
+%description -n %{name}+indexmap_2-devel %{_description}
 
 This package contains library source intended for building other packages which
-use the "json" feature of the "%{crate}" crate.
+use the "indexmap_2" feature of the "%{crate}" crate.
 
-%files       -n %{name}+json-devel
+%files       -n %{name}+indexmap_2-devel
 %ghost %{crate_instdir}/Cargo.toml
 
-%package     -n %{name}+macros-devel
+%package     -n %{name}+json-devel
 Summary:        %{summary}
 BuildArch:      noarch
 
-%description -n %{name}+macros-devel %{_description}
+%description -n %{name}+json-devel %{_description}
 
 This package contains library source intended for building other packages which
-use the "macros" feature of the "%{crate}" crate.
+use the "json" feature of the "%{crate}" crate.
 
-%files       -n %{name}+macros-devel
+%files       -n %{name}+json-devel
 %ghost %{crate_instdir}/Cargo.toml
 
-%package     -n %{name}+serde_json-devel
+%package     -n %{name}+macros-devel
 Summary:        %{summary}
 BuildArch:      noarch
 
-%description -n %{name}+serde_json-devel %{_description}
+%description -n %{name}+macros-devel %{_description}
 
 This package contains library source intended for building other packages which
-use the "serde_json" feature of the "%{crate}" crate.
+use the "macros" feature of the "%{crate}" crate.
 
-%files       -n %{name}+serde_json-devel
+%files       -n %{name}+macros-devel
 %ghost %{crate_instdir}/Cargo.toml
 
-%package     -n %{name}+serde_with_macros-devel
+%package     -n %{name}+std-devel
 Summary:        %{summary}
 BuildArch:      noarch
 
-%description -n %{name}+serde_with_macros-devel %{_description}
+%description -n %{name}+std-devel %{_description}
 
 This package contains library source intended for building other packages which
-use the "serde_with_macros" feature of the "%{crate}" crate.
+use the "std" feature of the "%{crate}" crate.
 
-%files       -n %{name}+serde_with_macros-devel
+%files       -n %{name}+std-devel
 %ghost %{crate_instdir}/Cargo.toml
 
 %package     -n %{name}+time_0_3-devel
@@ -218,7 +218,7 @@ use the "time_0_3" feature of the "%{crate}" crate.
 %ghost %{crate_instdir}/Cargo.toml
 
 %prep
-%autosetup -n %{crate}-%{version_no_tilde} -p1
+%autosetup -n %{crate}-%{version} -p1
 %cargo_prep
 
 %generate_buildrequires
diff --git a/rust2rpm.toml b/rust2rpm.toml
new file mode 100644
index 0000000..553347c
--- /dev/null
+++ b/rust2rpm.toml
@@ -0,0 +1,4 @@
+[tests]
+run = ["none"]
+comments = ["tests can only be run in-tree"]
+
diff --git a/sources b/sources
index 69ed4b6..c234894 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (serde_with-1.14.0.crate) = 643183189980641b904fd181a699faeebb95ce1eea4805cad8ac72f32a2d47dd4aaaf146f7489c0a062f7867076860cae1aa73e12cb96d542fb0991231a51923
+SHA512 (serde_with-3.4.0.crate) = bd380804b87d17dddf7e928452013f8d6c5458fd13a3f316e39b67437d214e8b1797a2dd08cfb7a71f0b2e32359282aabb5eb1e77a05500d6bc2dfa7ac45a3cb