diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index 6a80f673..b7d74695 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -3,5 +3,5 @@
 #   https://github.com/oxidecomputer/dropshot/blob/main/rust-toolchain.toml
 
 [toolchain]
-channel = "1.97.1"
+channel = "1.98.1"
 components = ["clippy", "rustfmt"]
diff --git a/v-api/src/context/mod.rs b/v-api/src/context/mod.rs
index dc6bfa5a..6481e94e 100644
--- a/v-api/src/context/mod.rs
+++ b/v-api/src/context/mod.rs
@@ -933,6 +933,7 @@ where
         self
     }
 
+    #[allow(clippy::result_large_err)]
     pub async fn build(self) -> Result<VContext<T>, VContextBuilderError> {
         if self.storage.is_some() && self.storage_url.is_some() {
             return Err(VContextBuilderError::ConfigConflict(
@@ -1807,6 +1808,7 @@ pub(crate) mod test_mocks {
     }
 
     // Attempt to construct a context that has been configured with preset groups
+    #[allow(clippy::result_large_err)]
     pub async fn build_ctx_with_groups(
         storage: Arc<MockStorage>,
         groups: Vec<PresetGroupConfig<VPermission>>,
diff --git a/v-api/src/endpoints/login/oauth/flow/code.rs b/v-api/src/endpoints/login/oauth/flow/code.rs
index 992e93bb..3852eae3 100644
--- a/v-api/src/endpoints/login/oauth/flow/code.rs
+++ b/v-api/src/endpoints/login/oauth/flow/code.rs
@@ -1482,7 +1482,7 @@ mod tests {
         .unwrap();
 
         assert_eq!(
-            format!("https://test.oxeng.dev/callback?state=ox_state&error=server_error",),
+            "https://test.oxeng.dev/callback?state=ox_state&error=server_error".to_string(),
             location
         );
     }
@@ -1553,7 +1553,7 @@ mod tests {
         .unwrap();
 
         assert_eq!(
-            format!("https://test.oxeng.dev/callback?state=ox_state&error=access_denied",),
+            "https://test.oxeng.dev/callback?state=ox_state&error=access_denied".to_string(),
             location
         );
     }