More travis instrumentation

Author: dnozay

.travis.yml

@@ -19,15 +19,26 @@ matrix:
       env: TOXENV=py36
     - python: "3.7-dev"
       env: TOXENV=py37
-    - python: "pypy2.7"
+    - python: "pypy2.7-6.0"
       env: TOXENV=pypy
-    - python: "pypy3.5"
+    - python: "pypy3.5-6.0"
       env: TOXENV=pypy3
 
+before_install:
+  - python --version
+  - uname -a
+  - lsb_release -a
 install:
   - pip install tox codecov coveralls
+  - virtualenv --version
+  - easy_install --version
+  - pip --version
+  - tox --version
 script:
-  - tox
+  - tox -v
+after_failure:
+  - more .tox/log/* | cat
+  - more .tox/*/log/* | cat
 after_success:
   - codecov
   - coveralls