Snap of Gutenberg

[Lin-Buo-Ren]

Encountered this one as well:

Problem building rust based snap

Ok - somewhat answered now. I ended up customizing the rust plugin with a local plugin and changing it so that all invocations of cargo use the custom environment and that seems to work for me. While I was there, I added a cargo test before the cargo install. Source is here: https://github.com/tismith/device-checkout-rs/blob/master/snap/plugins/x_rust.py