Rendertree fixups #1105

Job	Run time
fmt	17s
clippy (stable)	58s
test (stable)	1m 31s
clippy (beta)	58s
build (stable)	1m 2s
test (beta)	1m 30s
clippy (nightly)	1m 9s
build (beta)	1m 12s
test (nightly)	1m 34s
clippy (1.73.0)	1m 1s
build (nightly)	1m 8s
test (1.73.0)	1m 31s
clippy (stable minus 1 release)	1m 7s
build (1.73.0)	1m 8s
test (stable minus 1 release)	1m 30s
clippy (stable minus 2 releases)	1m 7s
build (stable minus 1 release)	1m 8s
test (stable minus 2 releases)	1m 41s
build (stable minus 2 releases)	1m 9s
	22m 41s

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