Stork server crashed ("inet_family" contains null values)

I was running the latest master (8486047f) and got the following error:

$ docker-compose  logs server
WARNING: Some networks were defined but are not used by any service: subnet-04, subnet-03
Attaching to stork_server_1
server_1         | INFO[2020-03-09 21:50:57]             main.go:18    Starting Stork Server, version 0.5.0, build date 2020-03-09 22:41 
server_1         | INFO[2020-03-09 21:50:57]        agentcomm.go:85    Stopping communication with agents           
server_1         | INFO[2020-03-09 21:50:57]        agentcomm.go:93    Stopped communication with agents            
server_1         | FATA[2020-03-09 21:50:57]             main.go:23    unexpected error: ERROR #23502 column "inet_family" contains null values
server_1         | problem with migrating database
server_1         | isc.org/stork/server/database.Migrate
server_1         | 	/home/thomson/devel/stork/backend/server/database/migrations.go:55
server_1         | isc.org/stork/server/database.MigrateToLatest
server_1         | 	/home/thomson/devel/stork/backend/server/database/migrations.go:64
server_1         | isc.org/stork/server/database.NewPgDB
server_1         | 	/home/thomson/devel/stork/backend/server/database/connection.go:57
server_1         | isc.org/stork/server.NewStorkServer
server_1         | 	/home/thomson/devel/stork/backend/server/server.go:75
server_1         | main.main
server_1         | 	/home/thomson/devel/stork/backend/cmd/stork-server/main.go:21
server_1         | runtime.main
server_1         | 	/home/thomson/devel/stork/tools/1.13.5/go/src/runtime/proc.go:203
server_1         | runtime.goexit
server_1         | 	/home/thomson/devel/stork/tools/1.13.5/go/src/runtime/asm_amd64.s:1357 

This is something I built with rake docker_up.