Merge pull request #31 from RalfJung/josh-install

always use stable Rust to build josh

Author: Kobzol

src/josh.rs

@@ -67,6 +67,7 @@ pub fn try_install_josh(verbose: bool) -> Option<JoshProxy> {
     run_command(
         &[
             "cargo",
+            "+stable",
             "install",
             "--locked",
             "--git",