Run just setup on a new macOS machine.
GNU Stow links the managed configuration into the home directory.
The global Rust toolchain uses rolling nightly through Mise.
Cargo uses Kache with non-incremental development and test builds.
Mise exports Kache as the C and C++ compiler wrapper for Fish, Zsh, Bash, and PowerShell.
Run just rust-upgrade to update nightly and its managed components.
Run just mux to build, install, and sign the Rust mux binary.