diff --git a/Cargo.lock b/Cargo.lock
index 8b532fa9c..1aaa40a3d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2103,9 +2103,9 @@ dependencies = [
 
 [[package]]
 name = "serde_tokenstream"
-version = "0.2.2"
+version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "64060d864397305347a78851c51588fd283767e7e7589829e8121d65512340f1"
+checksum = "d7c49585c52c01f13c5c2ebb333f14f6885d76daa768d8a037d28017ec538c69"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/dropshot/tests/fail/bad_version_backwards.stderr b/dropshot/tests/fail/bad_version_backwards.stderr
index f00435387..9d2f84a37 100644
--- a/dropshot/tests/fail/bad_version_backwards.stderr
+++ b/dropshot/tests/fail/bad_version_backwards.stderr
@@ -2,4 +2,4 @@ error: "from" version (1.2.3) must be earlier than "until" version (1.2.2)
   --> tests/fail/bad_version_backwards.rs:17:16
    |
 17 |     versions = "1.2.3".."1.2.2"
-   |                ^^^^^^^
+   |                ^^^^^^^^^^^^^^^^
diff --git a/dropshot_endpoint/Cargo.toml b/dropshot_endpoint/Cargo.toml
index 8b2730889..018292582 100644
--- a/dropshot_endpoint/Cargo.toml
+++ b/dropshot_endpoint/Cargo.toml
@@ -18,7 +18,7 @@ heck = "0.5.0"
 proc-macro2 = "1"
 quote = "1"
 semver = "1.0.27"
-serde_tokenstream = "0.2.2"
+serde_tokenstream = "0.2.3"
 
 [dependencies.serde]
 version = "1.0"
diff --git a/dropshot_endpoint/src/metadata.rs b/dropshot_endpoint/src/metadata.rs
index 2f63d22f5..2f416ab52 100644
--- a/dropshot_endpoint/src/metadata.rs
+++ b/dropshot_endpoint/src/metadata.rs
@@ -1,4 +1,4 @@
-// Copyright 2025 Oxide Computer Company
+// Copyright 2026 Oxide Computer Company
 
 //! Code to handle metadata associated with an endpoint.
 
@@ -339,6 +339,7 @@ pub(crate) enum VersionRange {
 
 impl syn::parse::Parse for VersionRange {
     fn parse(input: syn::parse::ParseStream) -> syn::Result<Self> {
+        let span = input.cursor().token_stream();
         let lookahead = input.lookahead1();
         if lookahead.peek(syn::Token![..]) {
             let _ = input.parse::<syn::Token![..]>()?;
@@ -350,7 +351,7 @@ impl syn::parse::Parse for VersionRange {
             }
         } else {
             let earliest = input.parse::<VersionSpecifier>()?;
-            let dotdot = input.parse::<syn::Token![..]>()?;
+            let _dotdot = input.parse::<syn::Token![..]>()?;
             let lookahead = input.lookahead1();
             if lookahead.peek(syn::LitStr) || lookahead.peek(syn::Ident) {
                 let latest = input.parse::<VersionSpecifier>()?;
@@ -361,7 +362,7 @@ impl syn::parse::Parse for VersionRange {
                     VersionSpecifier::Literal(latest_semver),
                 ) = (&earliest, &latest)
                 {
-                    let span = dotdot.to_token_stream();
+                    // let span = dotdot.to_token_stream();
                     if latest_semver < earliest_semver {
                         return Err(syn::Error::new_spanned(
                             span,