Auto merge of #29089 - kickinbahk:edit-testing-docs, r=steveklabnik

When going through the docs, it is not clear that binary files cannot be tested. Additionally, it is hard to find the proper structure of a Rust crate and it took me several hours of looking through the docs to find the crates and modules section. I think we can link to it from here and it will be beneficial to those who are coming to the language.
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bors 2015-10-17 15:10:07 +00:00
commit 971856d0ec

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@ -504,3 +504,6 @@ you add more examples.
We havent covered all of the details with writing documentation tests. For more,
please see the [Documentation chapter](documentation.html)
One final note: Tests *cannot* be run on a binary file. To see more on file arrangement see the [Crates and Modules](crates-and-modules.html) section.