diff --git a/packages/next/build/index.ts b/packages/next/build/index.ts
index 6eb95b717706a..19961b9826be1 100644
--- a/packages/next/build/index.ts
+++ b/packages/next/build/index.ts
@@ -133,7 +133,7 @@ export default async function build(
   runLint = true
 ): Promise<void> {
   const nextBuildSpan = trace('next-build', undefined, {
-    attrs: { version: process.env.__NEXT_VERSION },
+    version: process.env.__NEXT_VERSION as string,
   })
 
   const buildResult = await nextBuildSpan.traceAsyncFn(async () => {
diff --git a/packages/next/server/dev/hot-reloader.ts b/packages/next/server/dev/hot-reloader.ts
index 5827d003e93f0..db7c7a700ad47 100644
--- a/packages/next/server/dev/hot-reloader.ts
+++ b/packages/next/server/dev/hot-reloader.ts
@@ -192,7 +192,7 @@ export default class HotReloader {
     this.previewProps = previewProps
     this.rewrites = rewrites
     this.hotReloaderSpan = trace('hot-reloader', undefined, {
-      attrs: { version: process.env.__NEXT_VERSION },
+      version: process.env.__NEXT_VERSION as string,
     })
     // Ensure the hotReloaderSpan is flushed immediately as it's the parentSpan for all processing
     // of the current `next dev` invocation.
diff --git a/packages/next/trace/trace.ts b/packages/next/trace/trace.ts
index 00046f11f35c0..06fc6d0b9dfd6 100644
--- a/packages/next/trace/trace.ts
+++ b/packages/next/trace/trace.ts
@@ -100,7 +100,11 @@ export class Span {
   }
 }
 
-export const trace = (name: string, parentId?: SpanId, attrs?: Object) => {
+export const trace = (
+  name: string,
+  parentId?: SpanId,
+  attrs?: { [key: string]: string }
+) => {
   return new Span({ name, parentId, attrs })
 }
 
diff --git a/scripts/send-trace-to-jaeger.mjs b/scripts/send-trace-to-jaeger.mjs
index 577b8c3e5c358..60add090a536f 100644
--- a/scripts/send-trace-to-jaeger.mjs
+++ b/scripts/send-trace-to-jaeger.mjs
@@ -49,11 +49,14 @@ file.pipe(eventStream.split()).pipe(
     )
       .then(async (res) => {
         if (res.status !== 202) {
-          console.log({
-            status: res.status,
-            body: await res.text(),
-            events: eventsJson,
-          })
+          console.dir(
+            {
+              status: res.status,
+              body: await res.text(),
+              events: eventsJson,
+            },
+            { depth: null }
+          )
         }
         cb(null, '')
       })