AFAIK pkgs.rustPlatform.buildRustPackage can't use rust-cache so I have no idea what can be done

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 3.33%. Comparing base (4bc6b7a) to head (b998cde).
Report is 1 commits behind head on main.

@@          Coverage Diff          @@
##            main     #75   +/-   ##
=====================================
  Coverage   3.33%   3.33%           
=====================================
  Files         19      19           
  Lines       2407    2407           
=====================================
  Hits          80      80           
  Misses      2327    2327           

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Maybe @jla2000 or @Titaniumtown has an idea about this

@ch4og I think you will need to cache the nix store.

Maybe @jla2000 or @Titaniumtown has an idea about this

I'm not too familiar with using nix with github actions, srry :(

@ch4og I think you will need to cache the nix store.

Doesn't nix magic cache do this?

Should be good to merge

Caching nix store using other way worked. It uses cache after first build now

But this build time can be decreased even more with #76