Given following log snippets, their explanation, and nothing else, explain what failure, if any, occurred during build of this package.

  Snippets are in a format of [X] : [Y], where [X] is a log snippet, and [Y] is the explanation.

  Snippets are delimited with '================'.

  Drawing on information from all snippets, provide a concise explanation of the issue and recommend a solution.

  Explanation of the issue, and recommended solution, should take a handful of sentences.

  Snippets:

  [/var/tmp/rpm-tmp.n8lCM0: line 55: curl: command not found
]: [Curl is not present on system - missing dependency for curl]
=============
[/var/tmp/rpm-tmp.n8lCM0: line 56: /builddir/.cargo/env: No such file or directory
]: [Due to missing curl, rustup was not installed so rust/cargo is missing on system]

Issue: Rust is not correctly installed due to failure to find curl on system
Resolution: Add curl to build dependencies