. .evergreen/csfle/set-temp-creds.sh
...
Traceback (most recent call last):
  File "<stdin>", line 4, in <module>
  File "/opt/python37/lib/python3.7/site-packages/botocore/client.py", line 508, in _api_call
    return self._make_api_call(operation_name, kwargs)
  File "/opt/python37/lib/python3.7/site-packages/botocore/client.py", line 899, in _make_api_call
    operation_model, request_dict, request_context
  File "/opt/python37/lib/python3.7/site-packages/botocore/client.py", line 921, in _make_request
    return self._endpoint.make_request(operation_model, request_dict)
  File "/opt/python37/lib/python3.7/site-packages/botocore/endpoint.py", line 119, in make_request
    return self._send_request(request_dict, operation_model)
  File "/opt/python37/lib/python3.7/site-packages/botocore/endpoint.py", line 198, in _send_request
    request = self.create_request(request_dict, operation_model)
  File "/opt/python37/lib/python3.7/site-packages/botocore/endpoint.py", line 137, in create_request
    operation_name=operation_model.name,
  File "/opt/python37/lib/python3.7/site-packages/botocore/hooks.py", line 412, in emit
    return self._emitter.emit(aliased_event_name, **kwargs)
  File "/opt/python37/lib/python3.7/site-packages/botocore/hooks.py", line 256, in emit
    return self._emit(event_name, kwargs)
  File "/opt/python37/lib/python3.7/site-packages/botocore/hooks.py", line 239, in _emit
    response = handler(**kwargs)
  File "/opt/python37/lib/python3.7/site-packages/botocore/signers.py", line 103, in handler
    return self.sign(operation_name, request)
  File "/opt/python37/lib/python3.7/site-packages/botocore/signers.py", line 187, in sign
    auth.add_auth(request)
  File "/opt/python37/lib/python3.7/site-packages/botocore/auth.py", line 407, in add_auth
    raise NoCredentialsError()
botocore.exceptions.NoCredentialsError: Unable to locate credentials
/data/mci/706dcec0313b7607d691746d2aa91987/src/spec/shared/lib/mrss/docker_runner.rb:172:in `run_command': Process exited with code 1 (RuntimeError)
	from /data/mci/706dcec0313b7607d691746d2aa91987/src/spec/shared/lib/mrss/docker_runner.rb:121:in `run_tests'
	from /data/mci/706dcec0313b7607d691746d2aa91987/src/spec/shared/lib/mrss/docker_runner.rb:33:in `run'
	from ./.evergreen/test-on-docker:11:in `<main>'