The OSX buildbot builder is failing

[exarkun]

python misc/build_helpers/test-osx-pkg.py
 in dir /private/var/lib/buildslave/bb-tahoe/OS-X_10_13/build (timeout 1200 secs)
 watching logfiles {}
 argv: ['python', 'misc/build_helpers/test-osx-pkg.py']
 environment:
  HOME=/var/lib/buildslave
  LOGNAME=buildbot
  PATH=/var/lib/buildslave/.local/bin:/usr/local/bin:/sbin:/usr/sbin:/bin:/usr/bin
  PWD=/private/var/lib/buildslave/bb-tahoe/OS-X_10_13/build
  SHELL=/bin/bash
  SHLVL=1
  TMPDIR=/var/folders/ql/2vmcxkls1tl1w71h9_1wvkch000035/T/
  USER=buildbot
  VERSIONER_PYTHON_PREFER_32_BIT=no
  VERSIONER_PYTHON_VERSION=2.7
  XPC_FLAGS=0x0
  XPC_SERVICE_NAME=0
  _=/var/lib/buildslave/.local/bin/buildslave
  __CF_USER_TEXT_ENCODING=0x65:0:0
 using PTY: False
23708 blocks
Testing tahoe-lafs-1.13.0.post204-osx.pkg ...
Traceback (most recent call last):
  File "misc/build_helpers/test-osx-pkg.py", line 92, in <module>
    test_osx_pkg(pkgs[0])
  File "misc/build_helpers/test-osx-pkg.py", line 71, in test_osx_pkg
    raise Exception("FAIL: '%s' returned non-zero exit code: %r" % (" ".join(cmd), rc))
Exception: FAIL: 'bin/tahoe --version-and-path' returned non-zero exit code: 1
program finished with exit code 1
elapsedTime=2.305673

​https://tahoe-lafs.org/buildbot-tahoe-lafs/builders/OS-X%2010.13/builds/270/steps/test-osx-pkg/logs/stdio

[GitHub <noreply@…>]

In 8ba452c/trunk:

Merge pull request #542 from tahoe-lafs/2962.buildbot-macos-package-failure

Fix the macOS buildbot builder

Fixes: ticket:2962