Succeeds incorrectly - no lenses are declared to map between schema versions

coremodel.cue

package foo

import "github.com/grafana/thema"

thema.#Lineage
name: "foo"
seqs: [
	{
		schemas: [
			{// 0.0
				// Init is a string. This comment goes with the field thru codegen
				init: string
			},
		]
	},
	{
		schemas: [
			{// 1.0
				// Init is a string. This comment goes with the field thru codegen
				init: string
				// newfield is a required field we've added, breaking backwards compatibility
				newfield: int32
			},
		]
	}
]