Attempt to get a backtrace out of crash on MacOS

.travis.yml

@@ -4,37 +4,27 @@ dist: trusty
 
 matrix:
   include:
-    - python: 3.6
-      env: CHECK_DOCS=1
-    - python: 3.6
-      env: CHECK_FORMATTING=1
-    # The pypy tests are slow, so we list them first
-    - python: pypy3.5
-    - language: generic
-      env: USE_PYPY_NIGHTLY=1
-    - python: 3.5.0
-    - python: 3.5.2
-    - python: 3.6
-    - python: 3.7
-      dist: xenial
-      sudo: required
-    - python: 3.5-dev
-    - python: 3.6-dev
-    - python: 3.7-dev
-      dist: xenial
-      sudo: required
-    - python: 3.8-dev
-      dist: xenial
-      sudo: required
     - os: osx
       language: generic
-      env: MACPYTHON=3.5.4
+      env: MACPYTHON=3.6.0
     - os: osx
       language: generic
-      env: MACPYTHON=3.6.6
+      env: MACPYTHON=3.6.1
     - os: osx
       language: generic
-      env: MACPYTHON=3.7.0
+      env: MACPYTHON=3.6.2
+    - os: osx
+      language: generic
+      env: MACPYTHON=3.6.1
+    - os: osx
+      language: generic
+      env: MACPYTHON=3.6.2
+    - os: osx
+      language: generic
+      env: MACPYTHON=3.6.3
+    - os: osx
+      language: generic
+      env: MACPYTHON=3.6.3
 
 script:
   - ci/travis.sh

Jenkinsfile

@@ -1,8 +1,7 @@
 def configs = [
     [
         label: 'sierra',
-        // pyversions: ['python3.5', 'python3.6'],
-        pyversions: ['python3.5'],
+        pyversions: ['python3.5', 'python3.6', 'python3.7'],
     ],
 ]
 
@@ -53,6 +52,7 @@ def build(pyversion, label) {
                             export PATH="/usr/local/bin:\${PATH}"
                             export PATH="/Library/Frameworks/Python.framework/Versions/3.5/bin:\${PATH}"
                             export PATH="/Library/Frameworks/Python.framework/Versions/3.6/bin:\${PATH}"
+                            export PATH="/Library/Frameworks/Python.framework/Versions/3.7/bin:\${PATH}"
 
                             # Workaround for https://github.com/pypa/pip/issues/5345
                             # See also:

ci/travis.sh

@@ -96,7 +96,9 @@ else
     cd empty
 
     INSTALLDIR=$(python -c "import os, trio; print(os.path.dirname(trio.__file__))")
-    pytest -W error -ra --run-slow --faulthandler-timeout=60 ${INSTALLDIR} --cov="$INSTALLDIR" --cov-config=../.coveragerc --verbose
+    pip install immutables==0.6
+    #lldb --batch -o run -k "bt all" -k continue -- python -m pytest -W error -ra --run-slow --faulthandler-timeout=60 ${INSTALLDIR} --cov="$INSTALLDIR" --cov-config=../.coveragerc --verbose
+    python -m pytest -W error -ra --run-slow --faulthandler-timeout=60 ${INSTALLDIR} --cov="$INSTALLDIR" --cov-config=../.coveragerc --verbose
 
     coverage combine
     bash <(curl -s https://codecov.io/bash)