info: syncing channel updates for '1.7.0-x86_64-unknown-linux-gnu'
error: could not download file from 'https://static.rust-lang.org/dist/channel-rust-1.7.0.toml.sha256' to '/home/malbarbo/.multirust/tmp/6t9nsq7whoilfy_1_file
info: caused by: http request returned an unsuccessful status code: 404
Can the support to install older versions be added?