trace: don't try to zero values as it has no effect

Change-Id: I07e8b7be9729f672b6b9299ecdc137b7478cf808
Use trace to help with logging the worker

Change-Id: I13a5a9352695f2c47b1aa71b70bf2aa3b9bf4280
trace: don't log the auth_token and service_catalog

These are huge and make the log difficult to read.

Change-Id: Ic96e8d1db57f837d20d71578969d6044c126d8ae
fix the build id argument to the conductor

This should be build_id not id

Change-Id: I4bcaf9dfec5c3cd08074eb828cea7daa9b3ba84c
Merge "trace: don't try to zero values as it has no effect"
Merge "Use trace to help with logging the worker"
Merge "trace: don't log the auth_token and service_catalog"
Merge "fix the build id argument to the conductor"