[Minimal Reproducible

Example](https://stackoverflow.com/help/minimal-reproducible-example) of a bug in include_str!

cargo publish fails when you use include_str! on a file with the rs file extension.

Steps to Reproduce

1. Clone this repo

git clone https://github.com/masonforest/include_str_rs_file_mre

2. Attempt to publish the repo

Work around

As a work around you can append a different suffix to the file eg file.rs.txt