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:

  [No matching package to install: 'rust >= 1.86'
Not all dependencies satisfied
Error: Some packages could not be found.]: [It shows the error message which caused the build failure.]

Issue: Because some package dependencies were not installed, as they were not found.
Resolution: Ensure that all dependencies needed by the package are installable.