2015-02-06T14:42:59.571-0500 E QUERY    Error: 10 threads threw

        Error: command failed: {
        	"code" : 13140,
        	"ok" : 0,
        	"errmsg" : "exception: Don't recognize source or target DB"
        } : undefined
            at quietlyDoAssert (jstests/concurrency/fsm_libs/assert.js:53:15)
            at Function.assert.commandWorked (src/mongo/shell/assert.js:254:5)
            at wrapAssertFn (jstests/concurrency/fsm_libs/assert.js:60:16)
            at Function.assertWithLevel.(anonymous function) [as commandWorked] (jstests/concurrency/fsm_libs/assert.js:99:13)
            at Object.rename (jstests/concurrency/fsm_workloads/rename_capped_collection_dbname_chain.js:48:26)
            at Object.runFSM [as run] (jstests/concurrency/fsm_libs/fsm.js:19:16)
            at <anonymous>:8:13
            at Object.main (jstests/concurrency/fsm_libs/worker_thread.js:79:17)
            at ____MongoToV8_newFunction_temp (<anonymous>:5:25)
            at ____MongoToV8_newFunction_temp (<anonymous>:3:24)

    at throwError (jstests/concurrency/fsm_libs/runner.js:261:23)
    at jstests/concurrency/fsm_libs/runner.js:389:17
    at Array.forEach (native)
    at runWorkloads (jstests/concurrency/fsm_libs/runner.js:344:22)
    at serial (jstests/concurrency/fsm_libs/runner.js:405:13)
    at /Users/charlie/github/mongo/jstests/concurrency/fsm_all_sharded.js:571 at jstests/concurrency/fsm_libs/runner.js:273