cargo-tessel can't find mips libstd 1.14.0

[rillian]

I tried our tessel with rust again today. Looks like there's been some progress since the summer! However:

$ t2 run blinky
INFO Looking for your Tessel...
INFO Connected to Tessel-02A35010D618.
WARN Could not find all the components for cross-compiling Rust:
WARN MIPS libstd v1.14.0 not installed.
WARN Please run "cargo tessel sdk install" and try again.
WARN To instead use the remote Rust compiler, use "t2 run <target> --rustcc".
$ cargo tessel sdk install
INFO Latest Tessel build tools already installed.
ERR! undefined
ERR! Please switch to using a stable Rust version >= 1.11.0 and try again.
WARN SDK toolchain is installed, but a libstd for your Rust version is not.
$ rustc --version
rustc 1.14.0 (e8a012324 2016-12-16)

I tried installing the mips-unknown-linux-gnu and mips-unknown-linux-musl target libraries with rustup, but this didn't seem to help. I guess it wants some alternate build which isn't up-to-date?

[rillian]

Same issue occurs with 1.13, but 1.11 and 1.12 work. So this is a work-around:

$ rustup override set 1.12.0
[wait for 1.12.0-stable to download and install]
$ cargo tessel sdk install
[wait for libstd to install]
$ t2 run blinky
[code deploys and runs!]

[iammcgaber]

Thanks for that @rillian. That was totally the problem. Your workaround fixed it. Props.