[tbb-bugs] #23812 [Applications/Tor Browser]: json: cannot unmarshal array into Go struct field Process.capabilities of type specs.LinuxCapabilities

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#23812: json: cannot unmarshal array into Go struct field Process.capabilities of
type specs.LinuxCapabilities
--------------------------------------+--------------------------
 Reporter:  kkuehl@…                  |          Owner:  tbb-team
     Type:  defect                    |         Status:  new
 Priority:  Medium                    |      Milestone:
Component:  Applications/Tor Browser  |        Version:
 Severity:  Normal                    |     Resolution:
 Keywords:  tbb-rbm                   |  Actual Points:
Parent ID:                            |         Points:
 Reviewer:                            |        Sponsor:
--------------------------------------+--------------------------

Comment (by kkuehl@…):

 Patch applied as shown:
 ~/Downloads/tor-browser-build$ git diff rbm.conf
 diff --git a/rbm.conf b/rbm.conf
 index c433f00..a18f80c 100644
 --- a/rbm.conf
 +++ b/rbm.conf
 @@ -383,6 +383,7 @@ ENV:
        # We will need to update this when there is a new spec version
 available
        runc_spec100 => sub {
          my ($out) = capture_exec('sudo', 'runc', '--version');
 +        return 1 if $out =~ m/^spec: 1\.0\.0$/;
          return $out =~ m/^runc version spec: 1\.0\.0$/;
        },
      },

 Does not fix the issue.
 git submodule update --init
 ./rbm/rbm build release --target testbuild --target torbrowser-linux-
 x86_64
 Building project tor-browser - tor-browser-7.5a5-linux-x86_64-cb5c0b
 Building project container-image - container-image_wheezy-
 amd64-df3a332e7b34.tar.gz
 Building project debootstrap-image - container-image_wheezy-amd64.tar.gz
 Using file /home/kkuehl/Downloads/tor-browser-build/out/debootstrap-image
 /container-image_ubuntu-base-17.04-base-amd64.tar.gz
 Error: Error starting remote:

 json: cannot unmarshal array into Go struct field Process.capabilities of
 type specs.LinuxCapabilities

 Makefile:69: recipe for target 'testbuild-linux-x86_64' failed
 make: *** [testbuild-linux-x86_64] Error 1

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/23812#comment:3>
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