diff --git a/bootstore/src/schemes/v0/request_manager.rs b/bootstore/src/schemes/v0/request_manager.rs
index 780213430c..90466fdc07 100644
--- a/bootstore/src/schemes/v0/request_manager.rs
+++ b/bootstore/src/schemes/v0/request_manager.rs
@@ -109,7 +109,7 @@ impl RequestManager {
         let expiry = now + self.config.rack_init_timeout;
         let mut acks = InitAcks::default();
         acks.expected =
-            packages.keys().cloned().filter(|id| id != &self.id).collect();
+            packages.keys().filter(|&id| id != &self.id).cloned().collect();
         let req = TrackableRequest::InitRack {
             rack_uuid,
             packages: packages.clone(),
diff --git a/common/src/api/external/mod.rs b/common/src/api/external/mod.rs
index adf661516a..3e58d1d4d4 100644
--- a/common/src/api/external/mod.rs
+++ b/common/src/api/external/mod.rs
@@ -409,7 +409,7 @@ impl SemverVersion {
     /// This is the official ECMAScript-compatible validation regex for
     /// semver:
     /// <https://semver.org/#is-there-a-suggested-regular-expression-regex-to-check-a-semver-string>
-    const VALIDATION_REGEX: &str = r"^(0|[1-9]\d*)\.(0|[1-9]\d*)\.(0|[1-9]\d*)(?:-((?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\.(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?(?:\+([0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?$";
+    const VALIDATION_REGEX: &'static str = r"^(0|[1-9]\d*)\.(0|[1-9]\d*)\.(0|[1-9]\d*)(?:-((?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\.(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?(?:\+([0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?$";
 }
 
 impl JsonSchema for SemverVersion {
diff --git a/illumos-utils/src/running_zone.rs b/illumos-utils/src/running_zone.rs
index bdf7ed0cbf..ba8cd009e8 100644
--- a/illumos-utils/src/running_zone.rs
+++ b/illumos-utils/src/running_zone.rs
@@ -214,7 +214,7 @@ mod zenter {
     // the contracts used for this come from templates that define becoming
     // empty as a critical event.
     pub fn contract_reaper(log: Logger) {
-        const EVENT_PATH: &[u8] = b"/system/contract/process/pbundle";
+        const EVENT_PATH: &'static [u8] = b"/system/contract/process/pbundle";
         const CT_PR_EV_EMPTY: u64 = 1;
 
         let cpath = CString::new(EVENT_PATH).unwrap();
@@ -327,7 +327,8 @@ mod zenter {
     }
 
     impl Template {
-        const TEMPLATE_PATH: &[u8] = b"/system/contract/process/template\0";
+        const TEMPLATE_PATH: &'static [u8] =
+            b"/system/contract/process/template\0";
 
         // Constants related to how the contract below is managed. See
         // `usr/src/uts/common/sys/contract/process.h` in the illumos sources
diff --git a/nexus/db-queries/src/db/queries/volume.rs b/nexus/db-queries/src/db/queries/volume.rs
index 31882dca89..2c1a9af19b 100644
--- a/nexus/db-queries/src/db/queries/volume.rs
+++ b/nexus/db-queries/src/db/queries/volume.rs
@@ -412,10 +412,11 @@ pub struct DecreaseCrucibleResourceCountAndSoftDeleteVolume {
 }
 
 impl DecreaseCrucibleResourceCountAndSoftDeleteVolume {
-    const UPDATED_REGION_SNAPSHOTS_TABLE: &str = "updated_region_snapshots";
-    const REGION_SNAPSHOTS_TO_CLEAN_UP_TABLE: &str =
+    const UPDATED_REGION_SNAPSHOTS_TABLE: &'static str =
+        "updated_region_snapshots";
+    const REGION_SNAPSHOTS_TO_CLEAN_UP_TABLE: &'static str =
         "region_snapshots_to_clean_up";
-    const UPDATED_VOLUME_TABLE: &str = "updated_volume";
+    const UPDATED_VOLUME_TABLE: &'static str = "updated_volume";
 
     pub fn new(volume_id: Uuid, snapshot_addrs: Vec<String>) -> Self {
         Self {
diff --git a/nexus/db-queries/src/db/saga_recovery.rs b/nexus/db-queries/src/db/saga_recovery.rs
index f3eada1645..802093b889 100644
--- a/nexus/db-queries/src/db/saga_recovery.rs
+++ b/nexus/db-queries/src/db/saga_recovery.rs
@@ -143,8 +143,7 @@ where
             .await
         });
 
-        let mut completion_futures = vec![];
-        completion_futures.reserve(recovery_futures.len());
+        let mut completion_futures = Vec::with_capacity(recovery_futures.len());
         // Loads and resumes all sagas in serial.
         for recovery_future in recovery_futures {
             let saga_complete_future = recovery_future.await?;
diff --git a/oximeter/instruments/src/kstat/link.rs b/oximeter/instruments/src/kstat/link.rs
index d22ac60378..03397c4108 100644
--- a/oximeter/instruments/src/kstat/link.rs
+++ b/oximeter/instruments/src/kstat/link.rs
@@ -268,8 +268,8 @@ mod tests {
     }
 
     impl TestEtherstub {
-        const PFEXEC: &str = "/usr/bin/pfexec";
-        const DLADM: &str = "/usr/sbin/dladm";
+        const PFEXEC: &'static str = "/usr/bin/pfexec";
+        const DLADM: &'static str = "/usr/sbin/dladm";
         fn new() -> Self {
             let name = format!(
                 "kstest{}0",
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index 804ff08cce..65ee8a9912 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -4,5 +4,5 @@
 #
 # 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 = "1.73.0"
+channel = "1.74.0"
 profile = "default"
diff --git a/wicket/src/ui/widgets/popup.rs b/wicket/src/ui/widgets/popup.rs
index 19d7aa18b1..fb8c0f1f24 100644
--- a/wicket/src/ui/widgets/popup.rs
+++ b/wicket/src/ui/widgets/popup.rs
@@ -464,7 +464,7 @@ pub fn draw_buttons(
     let button_rects = Layout::default()
         .direction(Direction::Horizontal)
         .horizontal_margin(2)
-        .constraints(constraints.as_ref())
+        .constraints(constraints)
         .split(rect);
 
     let block = Block::default()