fix(coap): address warnings

src/lib/coapcore/src/scope.rs

@@ -15,7 +15,7 @@ pub trait Scope: Sized + core::fmt::Debug + defmt::Format {
 }
 
 impl Scope for core::convert::Infallible {
-    fn request_is_allowed<M: ReadableMessage>(&self, request: &M) -> bool {
+    fn request_is_allowed<M: ReadableMessage>(&self, _request: &M) -> bool {
         match *self {}
     }
 }
@@ -36,7 +36,7 @@ pub trait ScopeGenerator: Sized {
 impl ScopeGenerator for core::convert::Infallible {
     type Scope = core::convert::Infallible;
 
-    fn from_token_scope(self, bytes: &[u8]) -> Result<Self::Scope, InvalidScope> {
+    fn from_token_scope(self, _bytes: &[u8]) -> Result<Self::Scope, InvalidScope> {
         match self {}
     }
 }
@@ -192,7 +192,7 @@ impl<S: Scope + From<AifValue>> ScopeGenerator for ParsingAif<S> {
             .array_iter::<(&str, u32)>()
             .map_err(|_| InvalidScope)?
         {
-            let (path, mask) = item.map_err(|_| InvalidScope)?;
+            let (path, _mask) = item.map_err(|_| InvalidScope)?;
             if !path.starts_with("/") {
                 return Err(InvalidScope);
             }

src/lib/coapcore/src/seccfg.rs

@@ -68,6 +68,10 @@ pub trait ServerSecurityConfig: crate::Sealed {
 
     /// Expands an EDHOC `ID_CRED_x` into a parsed `CRED_x` along with the associated
     /// authorizations.
+    #[allow(
+        unused_variables,
+        reason = "Names are human visible part of API description"
+    )]
     fn expand_id_cred_x(
         &self,
         id_cred_x: lakers::IdCred,
@@ -84,6 +88,10 @@ pub trait ServerSecurityConfig: crate::Sealed {
     ///
     /// The default (or any error) renderer produces a generic 4.01 Unauthorized in the handler;
     /// specifics can be useful in ACE scenarios to return a Request Creation Hint.
+    #[allow(
+        unused_variables,
+        reason = "Names are human visible part of API description"
+    )]
     fn render_not_allowed<M: coap_message::MutableWritableMessage>(
         &self,
         message: &mut M,
@@ -115,7 +123,7 @@ pub enum NullGenerator<Scope> {
 impl<Scope: crate::scope::Scope> crate::scope::ScopeGenerator for NullGenerator<Scope> {
     type Scope = Scope;
 
-    fn from_token_scope(self, bytes: &[u8]) -> Result<Self::Scope, crate::scope::InvalidScope> {
+    fn from_token_scope(self, _bytes: &[u8]) -> Result<Self::Scope, crate::scope::InvalidScope> {
         match self {
             NullGenerator::_Phantom(infallible, _) => match infallible {},
         }

src/lib/coapcore/src/seccontext.rs

@@ -474,7 +474,7 @@ impl<
                     c_r,
                     c_i,
                 },
-            authorization: original_authorization, // So far, this is self.nosec_authorization()
+            .. // Discarding original authorization
         } = sec_context_state
         {
             #[allow(clippy::indexing_slicing, reason = "slice fits by construction")]