Investigate win failures

azure-pipelines.yml

@@ -3,7 +3,7 @@ trigger:
 - features
 
 variables:
-  PYTEST_ADDOPTS: "--junitxml=build/test-results/$(tox.env).xml -vv"
+  PYTEST_ADDOPTS: "--junitxml=build/test-results/$(tox.env).xml testing/test_pytester.py"
   PYTEST_COVERAGE: '0'
 
 jobs:
@@ -17,28 +17,28 @@ jobs:
       # pypy3:
       #   python.version: 'pypy3'
       #   tox.env: 'pypy3'
-      py35-xdist:
-        python.version: '3.5'
-        tox.env: 'py35-xdist'
-        # Coverage for:
-        # - test_supports_breakpoint_module_global
-        PYTEST_COVERAGE: '1'
-      py36-xdist:
-        python.version: '3.6'
-        tox.env: 'py36-xdist'
+#      py35-xdist:
+#        python.version: '3.5'
+#        tox.env: 'py35-xdist'
+#        # Coverage for:
+#        # - test_supports_breakpoint_module_global
+#        PYTEST_COVERAGE: '1'
+#      py36-xdist:
+#        python.version: '3.6'
+#        tox.env: 'py36-xdist'
       py37:
         python.version: '3.7'
         tox.env: 'py37-twisted-numpy'
         # Coverage for:
         # - _py36_windowsconsoleio_workaround (with py36+)
         # - test_request_garbage (no xdist)
         PYTEST_COVERAGE: '1'
-      py37-linting/docs/doctesting:
-        python.version: '3.7'
-        tox.env: 'linting,docs,doctesting'
-      py37-pluggymaster-xdist:
-        python.version: '3.7'
-        tox.env: 'py37-pluggymaster-xdist'
+#      py37-linting/docs/doctesting:
+#        python.version: '3.7'
+#        tox.env: 'linting,docs,doctesting'
+#      py37-pluggymaster-xdist:
+#        python.version: '3.7'
+#        tox.env: 'py37-pluggymaster-xdist'
     maxParallel: 10
 
   steps:

src/_pytest/pathlib.py

@@ -203,6 +203,7 @@ def create_cleanup_lock(p: Path) -> Path:
 
 def register_cleanup_lock_removal(lock_path: Path, register=atexit.register):
     """registers a cleanup function for removing a lock, by default on atexit"""
+    return
     pid = os.getpid()
 
     def cleanup_on_exit(lock_path: Path = lock_path, original_pid: int = pid) -> None:

testing/test_capture.py

@@ -287,6 +287,7 @@ class TestLoggingInteraction:
     def test_logging_stream_ownership(self, testdir):
         p = testdir.makepyfile(
             """\
+            from _pytest import capture
             def test_logging():
                 import logging
                 import pytest