> Carbon Language is currently an experimental project. There is no working compiler or toolchain. You can see the demo interpreter for Carbon on compiler-explorer.com.
Without trying to sound dismissive, Rust is production ready today, Carbon isn't. Even if Carbon was significantly better, that alone accounts for the adoption of Rust and not Carbon today.
> Carbon Language is currently an experimental project. There is no working compiler or toolchain. You can see the demo interpreter for Carbon on compiler-explorer.com.