chore: Solve clippy::unwrap_in_result FIXMEs (#1213)

Author: Techassi

crates/k8s-version/src/level/mod.rs

@@ -47,22 +47,18 @@ pub enum Level {
 impl FromStr for Level {
     type Err = ParseLevelError;
 
-    // SAFETY: We purposefully allow the `clippy::unwrap_in_result` lint below in this function.
-    // We can use expect here, because the correct match labels must be used.
-    //
-    // FIXME (@Techassi): This attribute can be used on individual unwrap and expect calls since
-    // Rust 1.91.0. We should move this attribute to not contaminate an unnecessarily large scope
-    // once we bump the toolchain to 1.91.0.
-    // See https://github.com/rust-lang/rust-clippy/pull/15445
-    #[allow(clippy::unwrap_in_result)]
     fn from_str(input: &str) -> Result<Self, Self::Err> {
         let captures = LEVEL_REGEX.captures(input).context(InvalidFormatSnafu)?;
 
+        // SAFETY: We purposefully allow the `clippy::unwrap_in_result` lint here and below.
+        // We can use expect here, because the correct match labels must be used.
+        #[allow(clippy::unwrap_in_result)]
         let identifier = captures
             .name("identifier")
             .expect("internal error: check that the correct match label is specified")
             .as_str();
 
+        #[allow(clippy::unwrap_in_result)]
         let version = captures
             .name("version")
             .expect("internal error: check that the correct match label is specified")

crates/k8s-version/src/version/mod.rs

@@ -53,17 +53,13 @@ pub struct Version {
 impl FromStr for Version {
     type Err = ParseVersionError;
 
-    // SAFETY: We purposefully allow the `clippy::unwrap_in_result` lint below in this function.
-    // We can use expect here, because the correct match label must be used.
-    //
-    // FIXME (@Techassi): This attribute can be used on individual unwrap and expect calls since
-    // Rust 1.91.0. We should move this attribute to not contaminate an unnecessarily large scope
-    // once we bump the toolchain to 1.91.0.
-    // See https://github.com/rust-lang/rust-clippy/pull/15445
     #[allow(clippy::unwrap_in_result)]
     fn from_str(input: &str) -> Result<Self, Self::Err> {
         let captures = VERSION_REGEX.captures(input).context(InvalidFormatSnafu)?;
 
+        // SAFETY: We purposefully allow the `clippy::unwrap_in_result` lint below.
+        // We can use expect here, because the correct match label must be used.
+        #[allow(clippy::unwrap_in_result)]
         let major = captures
             .name("major")
             .expect("internal error: check that the correct match label is specified")

crates/stackable-certs/src/ca/mod.rs

@@ -205,16 +205,6 @@ where
     /// validity, this function offers complete control over these parameters.
     /// If this level of control is not needed, use [`CertificateAuthority::new`]
     /// instead.
-    //
-    // SAFETY: We purposefully allow the `clippy::unwrap_in_result` lint below in this function.
-    // We can use expect here, because the subject name is defined as a constant which must be able
-    // to be parsed.
-    //
-    // FIXME (@Techassi): This attribute can be used on individual unwrap and expect calls since
-    // Rust 1.91.0. We should move this attribute to not contaminate an unnecessarily large scope
-    // once we bump the toolchain to 1.91.0.
-    // See https://github.com/rust-lang/rust-clippy/pull/15445
-    #[allow(clippy::unwrap_in_result)]
     #[instrument(name = "create_certificate_authority_with", skip(signing_key_pair))]
     pub fn new_with(signing_key_pair: S, serial_number: u64, validity: Duration) -> Result<Self> {
         let serial_number = SerialNumber::from(serial_number);
@@ -223,6 +213,10 @@ where
         // We don't allow customization of the CA subject by callers. Every CA
         // created by us should contain the same subject consisting a common set
         // of distinguished names (DNs).
+        // SAFETY: We purposefully allow the `clippy::unwrap_in_result` lint below.
+        // We can use expect here, because the subject name is defined as a constant which must be
+        // able to be parsed.
+        #[allow(clippy::unwrap_in_result)]
         let subject = Name::from_str(SDP_ROOT_CA_SUBJECT)
             .expect("the constant SDP_ROOT_CA_SUBJECT must be a valid subject");