dns-resolver: externalize unwrapping on UnboundResolver initialization

crates/dns-resolver/src/lib.rs

@@ -30,7 +30,7 @@ static IP_CACHE: LazyLock<StdMutex<LruCacheWithTtl<Name, Arc<Vec<IpAddr>>>>> =
 
 #[cfg(feature = "default-unbound")]
 fn default_resolver() -> Resolver {
-    Resolver::Unbound(UnboundResolver::new())
+    Resolver::Unbound(UnboundResolver::new().unwrap())
 }
 
 #[cfg(not(feature = "default-unbound"))]

crates/dns-resolver/src/resolver.rs

@@ -54,14 +54,14 @@ pub struct UnboundResolver {
 
 #[cfg(feature = "unbound")]
 impl UnboundResolver {
-    pub fn new() -> Self {
+    pub fn new() -> Result<Self, libunbound::Error> {
         // This resolves directly against the root
-        let context = Context::new().unwrap();
+        let context = Context::new()?;
         // and enables DNSSEC
-        context.add_builtin_trust_anchors().unwrap();
-        Self {
-            cx: context.into_async().unwrap(),
-        }
+        context.add_builtin_trust_anchors()?;
+        Ok(Self {
+            cx: context.into_async()?,
+        })
     }
 }