Can't build faucetagent adapter docker image

[gizmoguy]

#13 [10/18] RUN go get github.com/google/gnxi/gnmi_target
#13 10.68 # github.com/openconfig/ygot/ytypes
#13 10.68 go/src/github.com/openconfig/ygot/ytypes/util_schema.go:106:41: cannot convert nil to type uint64
#13 10.68 go/src/github.com/openconfig/ygot/ytypes/util_schema.go:107:34: v.Name undefined (type uint64 has no field or method Name)
#13 10.68 go/src/github.com/openconfig/ygot/ytypes/util_schema.go:117:41: cannot convert nil to type uint64
#13 10.68 go/src/github.com/openconfig/ygot/ytypes/util_schema.go:118:34: v.Name undefined (type uint64 has no field or method Name)
#13 ERROR: executor failed running [/bin/sh -c go get github.com/google/gnxi/gnmi_target]: buildkit-runc did not terminate successfully
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 > [10/18] RUN go get github.com/google/gnxi/gnmi_target:
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failed to solve: rpc error: code = Unknown desc = executor failed running [/bin/sh -c go get github.com/google/gnxi/gnmi_target]: buildkit-runc did not terminate successfully
Error: Process completed with exit code 1.