fix: support Rust 1.65

[sorhawell]

Fix #208

[sorhawell]

@eitsupi not sure whylinker cant find rpolars.a, but it does compile on 1.65.0 on my machine if RPOLARS_ALL_FEATURES != 'true

[eitsupi]

Nice! It seems passing the MSRV check.

[sorhawell]

Nice! It seems passing the MSRV check.

changing cargo-toml from 1.66 to 1.65 now it should be more impressive :)

[eitsupi]

changing cargo-toml from 1.66 to 1.65 now it should be more impressive :)

Thanks, it seems passing!

[eitsupi]

The output for each profile will be placed in a directory of the same name as the profile in the target directory. As in the example above, the output would go into the target/release-lto directory.

https://doc.rust-lang.org/cargo/reference/profiles.html#custom-profiles

[eitsupi]

Given the need to make significant changes to Makevars if adding profile.release-optimized, I suspect that simply setting profile.release.package.argminmax is sufficient.

I believe Makevars can be configured to change profiles via environment variables.

[eitsupi]

I think it can be merged now.

[eitsupi]

@sorhawell Can I merge this and go ahead?

[sorhawell]

Ohh profile changes output dir, that was what I was missing . Thanks @eitsupi , looks good!