ci: fix nightly build (#4517)

pyo3-build-config/src/impl_.rs

@@ -1059,8 +1059,9 @@ impl FromStr for BuildFlag {
     }
 }
 
-/// A list of python interpreter compile-time preprocessor defines that
-/// we will pick up and pass to rustc via `--cfg=py_sys_config={varname}`;
+/// A list of python interpreter compile-time preprocessor defines.
+///
+/// PyO3 will pick these up and pass to rustc via `--cfg=py_sys_config={varname}`;
 /// this allows using them conditional cfg attributes in the .rs files, so
 ///
 /// ```rust

pyo3-macros-backend/src/pymethod.rs

@@ -848,7 +848,7 @@ pub fn impl_py_getter_def(
 }
 
 /// Split an argument of pyo3::Python from the front of the arg list, if present
-fn split_off_python_arg<'a>(args: &'a [FnArg<'a>]) -> (Option<&PyArg<'_>>, &[FnArg<'_>]) {
+fn split_off_python_arg<'a, 'b>(args: &'a [FnArg<'b>]) -> (Option<&'a PyArg<'b>>, &'a [FnArg<'b>]) {
     match args {
         [FnArg::Py(py), args @ ..] => (Some(py), args),
         args => (None, args),

src/version.rs

@@ -15,20 +15,20 @@
 ///
 /// [`Python::version`]: crate::marker::Python::version
 #[derive(Debug)]
-pub struct PythonVersionInfo<'py> {
+pub struct PythonVersionInfo<'a> {
     /// Python major version (e.g. `3`).
     pub major: u8,
     /// Python minor version (e.g. `11`).
     pub minor: u8,
     /// Python patch version (e.g. `0`).
     pub patch: u8,
     /// Python version suffix, if applicable (e.g. `a0`).
-    pub suffix: Option<&'py str>,
+    pub suffix: Option<&'a str>,
 }
 
-impl<'py> PythonVersionInfo<'py> {
+impl<'a> PythonVersionInfo<'a> {
     /// Parses a hard-coded Python interpreter version string (e.g. 3.9.0a4+).
-    pub(crate) fn from_str(version_number_str: &'py str) -> Result<Self, &str> {
+    pub(crate) fn from_str(version_number_str: &'a str) -> Result<PythonVersionInfo<'a>, &'a str> {
         fn split_and_parse_number(version_part: &str) -> (u8, Option<&str>) {
             match version_part.find(|c: char| !c.is_ascii_digit()) {
                 None => (version_part.parse().unwrap(), None),