Neil, Thank you for taking to time to test my packaging efforts and submit a bug report. I just did a quick test and was unable to reproduce your bug on Debian testing. This weekend when I have a little more time I'll try setting up a clean Debian unstable environment and try again.
$ mkdir hello && cd hello && swift package init --type executable Creating executable package: hello Creating Package.swift Creating README.md Creating .gitignore Creating Sources/ Creating Sources/hello/main.swift Creating Tests/ Creating Tests/helloTests/ Creating Tests/helloTests/helloTests.swift $ swift build Building for debugging... [6/6] Linking hello Build complete! (1.16s) $ .build/x86_64-pc-linux-gnu/debug/hello Hello, world! $ -Steve

