Fuzzer found Dolt issue

[github-actions]

An error was encountered for Dolt 6390ac00116cebc19dd4c31d5f814aefe91d3b6f
Assets are located at:
https://s3.console.aws.amazon.com/s3/buckets/dolt-fuzzer-runs?region=us-west-2&prefix=2021/08/24/23/60af5114-b898-4e28-9c12-af050ce7625e/20210824234657/&showversions=true

Error 1105: corrupted database; nil where child collection .(Collection) should be; indexed_sequence; i: 0, h: he0vfek9qnkfu1c7mb8mr1cm3687ke6s

github.com/dolthub/fuzzer/run.(*SqlServer).ProvideInterface.func2
	/app/go/fuzzer/cmd/fuzzer_tool.binary.runfiles/com_github_dolthub_ld/60af5114-b898-4e28-9c12-af050ce7625e/clones-copies/fuzzer/run/interfaces.go:185
github.com/dolthub/fuzzer/run.(*RepositoryManager).MainLoop.func1
	/app/go/fuzzer/cmd/fuzzer_tool.binary.runfiles/com_github_dolthub_ld/60af5114-b898-4e28-9c12-af050ce7625e/clones-copies/fuzzer/run/repo_manager.go:191
github.com/dolthub/fuzzer/run.(*SqlServer).ProvideInterface
	/app/go/fuzzer/cmd/fuzzer_tool.binary.runfiles/com_github_dolthub_ld/60af5114-b898-4e28-9c12-af050ce7625e/clones-copies/fuzzer/run/interfaces.go:178
github.com/dolthub/fuzzer/run.(*Cycle).UseInterface
	/app/go/fuzzer/cmd/fuzzer_tool.binary.runfiles/com_github_dolthub_ld/60af5114-b898-4e28-9c12-af050ce7625e/clones-copies/fuzzer/run/cycle.go:342
github.com/dolthub/fuzzer/run.(*RepositoryManager).MainLoop
	/app/go/fuzzer/cmd/fuzzer_tool.binary.runfiles/com_github_dolthub_ld/60af5114-b898-4e28-9c12-af050ce7625e/clones-copies/fuzzer/run/repo_manager.go:173
github.com/dolthub/fuzzer/run.(*Cycle).Run
	/app/go/fuzzer/cmd/fuzzer_tool.binary.runfiles/com_github_dolthub_ld/60af5114-b898-4e28-9c12-af050ce7625e/clones-copies/fuzzer/run/cycle.go:219
main.main.func1
	/app/go/fuzzer/cmd/fuzzer_tool.binary.runfiles/com_github_dolthub_ld/60af5114-b898-4e28-9c12-af050ce7625e/clones-copies/fuzzer/main.go:141
main.main
	/app/go/fuzzer/cmd/fuzzer_tool.binary.runfiles/com_github_dolthub_ld/60af5114-b898-4e28-9c12-af050ce7625e/clones-copies/fuzzer/main.go:148
runtime.main
	/usr/local/go/src/runtime/proc.go:204
runtime.goexit
	/usr/local/go/src/runtime/asm_amd64.s:1374