When I run with

--pantsd

I get the dreaded `103850.41 [DEBUG] connecting to pantsd on port 44973 (attempt 1/3) Failed to launch child `/var/lib/buildkite-agent/.cache/pants/setup/bootstrap-Linux-x86_64/2.0.0_py36/bin/pants`: Os { code: 13, kind: PermissionDenied, message: "Permission denied" }` error.