[Bug]: Go Cloudwatch CreateCustomMetric example does not display errors

[Fabian Gehrlicher]

Expected behavior

The CreateCustomMetric example ( go/cloudwatch/CreateCustomMetric/CreateCustomMetric.go ) should output errors that occur when creating the custom metric.

Actual behavior

In the case of an error, only a blank line is displayed.

Steps to reproduce

1. configure your environment variables incorrectly (e.g. don't set a region like I did 🙈)
2. run the example

Logs / stacktrace (if applicable)

No response

Which SDK were you using?

Go (v2)

Which OS were you using?

macOS

SDK version

1.51.21

OS version

macOs 14.4