[tor-bugs] #25386 [Core Tor/Tor]: fix rust tests

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#25386: fix rust tests
-------------------------------------------------+-------------------------
 Reporter:  Hello71                              |          Owner:  Hello71
     Type:  defect                               |         Status:
                                                 |  merge_ready
 Priority:  High                                 |      Milestone:  Tor:
                                                 |  0.3.4.x-final
Component:  Core Tor/Tor                         |        Version:  Tor:
                                                 |  0.3.3.1-alpha
 Severity:  Normal                               |     Resolution:
 Keywords:  rust, tor-test, 033-backport,        |  Actual Points:
  review-group-34                                |
Parent ID:                                       |         Points:  3
 Reviewer:  isis                                 |        Sponsor:
                                                 |  Sponsor8-can
-------------------------------------------------+-------------------------
Changes (by isis):

 * status:  needs_review => merge_ready


Comment:

 Hi, this looks great! Thanks!

 Just one tiny thing: when you squash, please remove commit
 f7b714ba411eb7ccdfcafe676df28f81bb823b57, as it breaks out-of-directory
 builds. (It should be `$abs_top_srcdir` in that line, since the
 test_rust.sh script doesn't get copied to the build dir.)

 I added a commit on top in my `bug25386_v2` branch, which changed the test
 you added to actually check the functionality of
 `protover::compute_for_old_tor`, and found a bug (#XXX), so this is pretty
 cool.

 I recommend merging whenever Hello71 squashes, and then I'll put the tests
 I made/changed in #XXX.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/25386#comment:21>
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