`buck test` output breaks Powershell

Created by: woodruffw

Observed with osquery's Buck build. Something about buck test's output makes Powershell unhappy:

Image:

Text:

PS C:\Users\User\Downloads\osquery> buck test @mode/system.py#release //tests/integration/tables:tests
Not using buckd because watchman isn't installed.
Parsing buck files: finished in 7.3 sec
Creating action graph: finished in 1.4 sec
Building: finished in 22.2 sec (100%) 306/306 jobs, 5 updated
  Total time: 31.0 sec
Testing: finished in 36.4 sec (70 PASS/0 FAIL)
RESULTS FOR //tests/integration/tables:tests
PASS     34.4s 70 Passed   0 Skipped   0 Failed   //tests/integration/tables:tests
TESTS PASSED
PS C:\Users\User\Downloads\osquery> git fetch tob
git : From https://github.com/trailofbits/osquery-pr
At line:1 char:1
+ git fetch tob
+ ~~~~~~~~~~~~~
    + CategoryInfo          : NotSpecified: (From https://gi...bits/osquery-pr:String) [], RemoteException
    + FullyQualifiedErrorId : NativeCommandError

   1e50caae..9baff872  william/feature/logical_drives_refactor -> tob/william/feature/logical_drives_refactor

Observe that the git fetch completes successfully, but appears in red with a NativeCommandError.

buck build is not affected.