Upgrade from Go 1.14 → 1.21

go.mod

@@ -1,16 +1,26 @@
 module github.com/mwitkow/grpc-proxy
 
-go 1.14
+go 1.21
 
 require (
-	github.com/golang/protobuf v1.5.2 // indirect
 	github.com/stretchr/testify v1.7.0
-	golang.org/x/net v0.0.0-20210331212208-0fccb6fa2b5c // indirect
 	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c
-	golang.org/x/sys v0.0.0-20210331175145-43e1dd70ce54 // indirect
-	golang.org/x/text v0.3.6 // indirect
-	google.golang.org/genproto v0.0.0-20210401141331-865547bb08e2 // indirect
 	google.golang.org/grpc v1.36.1
 	google.golang.org/protobuf v1.26.0
 	honnef.co/go/tools v0.1.3
 )
+
+require (
+	github.com/BurntSushi/toml v0.3.1 // indirect
+	github.com/davecgh/go-spew v1.1.0 // indirect
+	github.com/golang/protobuf v1.5.2 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	golang.org/x/mod v0.3.0 // indirect
+	golang.org/x/net v0.0.0-20210331212208-0fccb6fa2b5c // indirect
+	golang.org/x/sys v0.0.0-20210331175145-43e1dd70ce54 // indirect
+	golang.org/x/text v0.3.6 // indirect
+	golang.org/x/tools v0.1.0 // indirect
+	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 // indirect
+	google.golang.org/genproto v0.0.0-20210401141331-865547bb08e2 // indirect
+	gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c // indirect
+)

testservice/testping.go

@@ -99,7 +99,7 @@ func TestTestServiceServerImpl(t *testing.T, client TestServiceClient) {
 			}
 			res, err := stream.Recv()
 			if err != nil {
-				t.Errorf("receiving full duplex stream: %w", err)
+				t.Errorf("receiving full duplex stream: %v", err)
 				return
 			}
 			t.Logf("got %v (%d)", res.Value, res.Counter)