I am using bunch Rust tools, and now I’ve lost track which are supposed to be installed through
rustup component add and which through
cargo install -f, and which have
-preview and which don’t.
I want to use latest stable with Rust 2018 edition with these, if it makes any difference.
rustup component add part you can do
rustup component list to get a list of all the things you can install with it.
After more investigation, turns out I had still old (0.13) rustup, provided by my system (NixOS), and it was not seeing the new components. I had to manually switch to (still in git nixpkgs) rustup 0.15, then reinstall toolchains, and now everything is without