update rust toolchain to 1.98.1

nexus/db-queries/src/db/collection_attach.rs

@@ -18,7 +18,7 @@ use super::cte_utils::{
 };
 use async_bb8_diesel::AsyncRunQueryDsl;
 use diesel::associations::HasTable;
-use diesel::expression::{AsExpression, Expression};
+use diesel::expression::{AsExpression, Expression, IntoSql};
 use diesel::helper_types::*;
 use diesel::pg::Pg;
 use diesel::prelude::*;

nexus/tests/integration_tests/external_ips.rs

@@ -778,7 +778,7 @@ async fn test_floating_ip_create_attachment(
     .await;
     assert_eq!(
         error.message,
-        format!("Floating IP cannot be deleted while attached to an instance"),
+        "Floating IP cannot be deleted while attached to an instance",
     );
 
     // Stop and delete the instance.

nexus/tests/integration_tests/instances.rs

@@ -6722,7 +6722,7 @@ async fn test_boot_disk_must_be_attached(cptestctx: &ControlPlaneTestContext) {
     )
     .await;
 
-    assert_eq!(error.message, format!("boot disk must be attached"));
+    assert_eq!(error.message, "boot disk must be attached");
 
     // Now attach the disk.
     let url_instance_detach_disk =

oximeter/db/src/sql/mod.rs

@@ -980,7 +980,7 @@ impl RestrictedQuery {
                 "Query must select from a single named table, with no database"
             );
         }
-        if let Some(from) = select.from.iter_mut().next() {
+        if let Some(from) = select.from.first_mut() {
             timeseries.extend(Self::process_table_factor(&mut from.relation)?);
             for join in from.joins.iter_mut() {
                 let op = match &join.join_operator {

rust-toolchain.toml

@@ -1,5 +1,5 @@
 [toolchain]
 # We choose a specific toolchain (rather than "stable") for repeatability.  The
 # intent is to keep this up-to-date with recently-released stable Rust.
-channel = "1.97.1"
+channel = "1.98.1"
 profile = "default"