[tor-bugs] #26337 [Core Tor/Tor]: make rust error types use the failure crate

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#26337: make rust error types use the failure crate
-------------------------------------------------+-------------------------
 Reporter:  isis                                 |          Owner:  (none)
     Type:  enhancement                          |         Status:  new
 Priority:  Medium                               |      Milestone:  Tor:
                                                 |  0.3.5.x-final
Component:  Core Tor/Tor                         |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  rust, technical-debt, tor-           |  Actual Points:
  modularity                                     |
Parent ID:                                       |         Points:  1
 Reviewer:                                       |        Sponsor:
                                                 |  Sponsor8-can
-------------------------------------------------+-------------------------

Comment (by chelseakomlo):

 Is this going to be incorporated into the Rust standard library? If so,
 should we wait for it? (as to not pull in unnecessary external crates).

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/26337#comment:1>
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