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While using this compiler for competitive programming, I discovered two behaviors of this compiler that differ from the official interpreter and many other compilers.

This compiler interprets \n as 0, whereas other implementation interprets __\n or \t_\n as 0.

This compiler copies the nth value from the bottom of the stack with the Copy instruction. other implementation copies the nth value from the top of the stack.
If the Copy instruction is called in a function, it is not possible to know the offset of the stack at compile time, so it is more appropriate to use the index from the top of the stack.

Are these behaviors intended? If not, would you correct them? (I'm also interested in contributing a PR)

I'm wondering if it's possible to assemble whitespace instructions and output a native binary?

Could we then feed this binary to the whitespace interpreter (outfitted with a suitable loader) and execute the whitespace instructions?

I would propose two new sections for the text and data:

And

Respectively

I tried to build this program using cargo install:

$ cargo install whitespacers

When I do this, I get 131 errors originating from the files src/core/compiler_x64.rs and src/core/allocator.rs. Most are of the form expected value, found module `self` or cannot find value `...` in this scope for some variable ....

My rustc/cargo version is 1.45.0.

I also tried installing it with cargo install +nightly whitespace-rs, but this led to a separate set of compilation errors relating to Span::mixed_site() when compiling dynasm.

Is it recommended that I build from source instead of using cargo install?

Edit: I attempted to build from source and got the same errors (stable and nightly).