[tor-bugs] #29036 [Core Tor/Tor]: Coverage merge failures cause test_process_slow stderr check to fail

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#29036: Coverage merge failures cause test_process_slow stderr check to fail
-------------------------------------------------+-------------------------
 Reporter:  teor                                 |          Owner:  ahf
     Type:  defect                               |         Status:
                                                 |  needs_revision
 Priority:  High                                 |      Milestone:  Tor:
                                                 |  0.4.1.x-final
Component:  Core Tor/Tor                         |        Version:  Tor:
                                                 |  unspecified
 Severity:  Major                                |     Resolution:
 Keywords:  041-accepted-20190115, regression,   |  Actual Points:
  tor-ci, 029-backport, 034-backport,            |
  035-backport, 040-backport                     |
Parent ID:                                       |         Points:  0.5
 Reviewer:  catalyst                             |        Sponsor:
-------------------------------------------------+-------------------------
Changes (by teor):

 * status:  needs_review => needs_revision


Comment:

 Please rebase on maint-0.2.9: we need to fix the process test failure on
 master, but we also need reliable coverage stats on 0.2.9 and later. And
 we want smaller caches on all branches to speed up the build.

 Replying to [comment:13 ahf]:
 > Probably worth noting here: I use `after_script` for this after having
 read: https://blog.travis-ci.com/after_script_behavior_changes

 I think you want before_cache, it's documented to run before the cache
 phase:
 https://docs.travis-ci.com/user/caching/#before_cache-phase

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/29036#comment:14>
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