nix flake check doesn't work on linux?

[turion]

Describe the bug
nix flake check throws an error.

To Reproduce

$ nix flake check
error: a 'x86_64-darwin' with features {} is required to build '/nix/store/7qy2k5adsj1rlgwpxnr0mhv4b5l6s3c3-cabal2nix-monad-bayes.drv', but I am a 'x86_64-linux' with features {benchmark, big-parallel, kvm, nixos-test}

Environment

• OS name + version: NixOS
• Version of the code: master

CC @reubenharry @idontgetoutmuch

[reubenharry]

I know nothing about nix, so can't help, but I think Tweag has many nixers we could consult.

[turion]

This seems to be NixOS/nixpkgs#181855