bin.name = "rustup"
args = ["default", "--help"]
stdout = """
...
Set the default toolchain

Usage: rustup[EXE] default [OPTIONS] [TOOLCHAIN]

Arguments:
  [TOOLCHAIN]  'none', a toolchain name, such as 'stable', 'nightly', '1.8.0', or a custom toolchain
               name. For more information see `rustup help toolchain`

Options:
      --force-non-host  Install toolchains that require an emulator. See
                        https://github.com/rust-lang/rustup/wiki/Non-host-toolchains
  -h, --help            Print help

Discussion:
    Sets the default toolchain to the one specified. If the toolchain
    is not already installed then it is installed first.
"""
stderr = ""
