Improve error reporting during installation + Release `1.0.1`

Sergej Kostjucenko requested to merge cmichi-add-build-script-output into master

Created by: cmichi

Follow-up to https://github.com/paritytech/cargo-contract/issues/467, where we don't have an idea what causes it, but the next time someone runs into it we would have better error reporting.

Merge request reports