[tor-bugs] #26475 [Applications/Tor Browser]: ESR60-based .dmg images are not built reproducibly with Stylo enabled using rustc > 1.25.0

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#26475: ESR60-based .dmg images are not built reproducibly with Stylo enabled using
rustc > 1.25.0
-------------------------------------------------+-------------------------
 Reporter:  gk                                   |          Owner:  tbb-
                                                 |  team
     Type:  defect                               |         Status:
                                                 |  needs_information
 Priority:  Very High                            |      Milestone:
Component:  Applications/Tor Browser             |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  tbb-rbm, TorBrowserTeam201806,       |  Actual Points:
  GeorgKoppen201806                              |
Parent ID:                                       |         Points:
 Reviewer:                                       |        Sponsor:
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Changes (by gk):

 * status:  assigned => needs_information


Comment:

 So, I tried for a while to get the bisecting going but it seems non-
 trivial. Alex: What is the recommended way of doing rust compiler
 bisecting? What I tried was using `git bisect` with the commit for 1.25.0
 and 1.26.1, updating the sub modules and tarring the result up + using it
 on my build machines, but that breaks for different reasons (first one is
 no properly vendored crates are included (we compile with --enable-
 vendor); trying to get crates via crates.io-index fails with an SSL
 error...).

 Maybe easier: Are there somewhere nightly source tarballs available (like
 they are for the official releases) which I could test? I did not find any
 so far but that might already narrow down the problem sufficiently.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/26475#comment:10>
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