/go/src/github.com/cockroachdb/cockroach/pkg/server/server.go:2306 +0x1eb
        github.com/cockroachdb/cockroach/pkg/util/stop.(*Stopper).RunAsyncTask.func1(0xc00baea300, 0x5afec80, 0xc00e2026c0, 0x0, 0xc015b54620)
        	/go/src/github.com/cockroachdb/cockroach/pkg/util/stop/stopper.go:351 +0xb9
        created by github.com/cockroachdb/cockroach/pkg/util/stop.(*Stopper).RunAsyncTask
        	/go/src/github.com/cockroachdb/cockroach/pkg/util/stop/stopper.go:346 +0xfc
        
        goroutine 8339352 [chan receive, 5 minutes]:
        google.golang.org/grpc.(*addrConn).resetTransport(0xc02542d080)
        	/go/src/github.com/cockroachdb/cockroach/vendor/google.golang.org/grpc/clientconn.go:1156 +0x769
        created by google.golang.org/grpc.(*addrConn).connect
        	/go/src/github.com/cockroachdb/cockroach/vendor/google.golang.org/grpc/clientconn.go:799 +0x12a
        
        goroutine 8339419 [sync.Cond.Wait]:
        runtime.goparkunlock(...)
        	/usr/local/go/src/runtime/proc.go:312
        sync.runtime_notifyListWait(0xc00fb78110, 0x2835)
        	/usr/local/go/src/runtime/sema.go:513 +0xf8
        sync.(*Cond).Wait(0xc00fb78100)
        	/usr/local/go/src/sync/cond.go:56 +0x9d
        github.com/cockroachdb/cockroach/pkg/kv/kvserver.(*raftScheduler).worker(0xc00ed4c0a0, 0x5afec80, 0xc00fb62fc0)
        	/go/src/github.com/cockroachdb/cockroach/pkg/kv/kvserver/scheduler.go:251 +0x8b
        github.com/cockroachdb/cockroach/pkg/util/stop.(*Stopper).RunAsyncTask.func1(0xc00baea300, 0x5afec80, 0xc00fb62fc0, 0x0, 0xc01377dbf0)
        	/go/src/github.com/cockroachdb/cockroach/pkg/util/stop/stopper.go:351 +0xb9
        created by github.com/cockroachdb/cockroach/pkg/util/stop.(*Stopper).RunAsyncTask
        	/go/src/github.com/cockroachdb/cockroach/pkg/util/stop/stopper.go:346 +0xfc
        
        goroutine 8339262 [sync.Cond.Wait]:
        runtime.goparkunlock(...)
        	/usr/local/go/src/runtime/proc.go:312
        sync.runtime_notifyListWait(0xc00fb78110, 0x2840)
        	/usr/local/go/src/runtime/sema.go:513 +0xf8
        sync.(*Cond).Wait(0xc00fb78100)
        	/usr/local/go/src/sync/cond.go:56 +0x9d
        github.com/cockroachdb/cockroach/pkg/kv/kvserver.(*raftScheduler).worker(0xc00ed4c0a0, 0x5afec80, 0xc00fb62fc0)
        	/go/src/github.com/cockroachdb/cockroach/pkg/kv/kvserver/scheduler.go:251 +0x8b
        github.com/cockroachdb/cockroach/pkg/util/stop.(*Stopper).RunAsyncTask.func1(0xc00baea300, 0x5afec80, 0xc00fb62fc0, 0x0, 0xc01377d920)
        	/go/src/github.com/cockroachdb/cockroach/pkg/util/stop/stopper.go:351 +0xb9
        created by github.com/cockroachdb/cockroach/pkg/util/stop.(*Stopper).RunAsyncTask
        	/go/src/github.com/cockroachdb/cockroach/pkg/util/stop/stopper.go:346 +0xfc
        
    rsg_test.go:186: SELECT 1 executed successfully: probably a slow statement
    rsg_test.go:755: Crash detected: 
        ALTER TABLE ident.ident DROP COLUMN EXISTS RESTRICT
        
        Stack trace:
        timeout: "ALTER TABLE ident.ident DROP COLUMN EXISTS RESTRICT". currently executing: map[ALTER TABLE ident.ident DROP COLUMN EXISTS RESTRICT:1]
    rsg_test.go:764: 4840 executions, 902 successful
    rsg_test.go:401: -- test log scope end --
test logs left over in: /go/src/github.com/cockroachdb/cockroach/artifacts/logTestRandomSyntaxSchemaChangeColumn397845159
--- FAIL: TestRandomSyntaxSchemaChangeColumn (356.71s)