Build farmer handoff 2019-10-21

[cottsay]

Outgoing @cottsay, from #224
Incoming @nuclearsandwich

Consistent failures (high priority)

• All communication tests from fastrtps to connext are failing All communication tests from fastrtps to connext are failing #246

Known flaky tests and recurring failures

• Some builds fail to wipe the workspace due to processes from previous builds still running Job failed to delete workspace #161
• tf2_ros_test_message_filter test is flakey tf2_ros_test_message_filter is flakey #183
• Linux test_component_manager fails on Linux repeated test_component_manager_api failed on Linux repeated #184
• Windows debug fails test_communications WString Windows debug failed test_communications connext WStrings test #203
• Windows debug fails test_waitiable Windows debug failed test_waitable #204
• Linux aarch64 test_lifecycle fails Linux aarch64 repeated failed test_lifecycle #205

Outstanding buildfarmer tasks

• Try to reduce the number of Windows failures due to not being able to delete files due to zombie processes from previous builds.
  • kill existing colcon when stating CI on Windows to avoid file locks ci#323 was created to attempt this, but the problem is still present.
• Document the MAXPATH workaround in the Windows installation instructions for Build failure with OpenSplice on Windows due to MAXPATH #227
• Complete and document upgrades to macOS workers Upgrade mac and Windows CI hosts #243
• Bring packet.net hosts back online ARM jobs fail due to infrastructure issue #238