Meanwhile while testing the brand new arm support on @travisci ...
Rustup 1.20.0 has been released, featuring lots of improvements including profiles and installing the latest nightly with available components! ๐ŸŽ‰๐ŸŽ‰๐ŸŽ‰ Check out the highlights in our blog post: blog.rust-lang.org/2019/10/1โ€ฆ
1
@pietroalbini does it ring any bell?
2
Unfortunately it looks like those platforms lack the components in the default profile :( I'll see what I can do for you.

Oct 15, 2019 ยท 6:17 PM UTC

1
1
Rustup 1.20.1 released this morning will force the initial toolchain install which should mitigate this issue for you. If you want more control then install with `--default-toolchain none` and then pick your profile, toolchain, and components more carefully afterwards.
1