Avoid eagerly doing unnecessary string formatting #202

Job	Run time
spell check with typos	4s
docs-pr	5s
build-on-windows (windows-debug)	40s
build-on-linux (linux-kvm-debug)	1m 12s
build-on-linux (linux-kvm-release)	1m 7s
build-on-windows (windows-release)	39s
build-on-linux (linux-hyperv-debug)	57s
build-on-linux (linux-hyperv-release)	1m 12s
fuzzing / fuzz	9m 35s
rust / build (windows-2022-debug-amd)	15m 41s
rust / build (linux-kvm-debug-amd)	10m 13s
rust / build (linux-hyperv-debug-amd)	9m 54s
rust / build (windows-2022-release-amd)	19m 0s
rust / build (linux-kvm-release-amd)	13m 49s
rust / build (linux-hyperv-release-amd)	13m 23s
rust / build (windows-2022-debug-intel)	13m 50s
rust / build (linux-kvm-debug-intel)	9m 42s
rust / build (linux-hyperv-debug-intel)	9m 42s
rust / build (windows-2022-release-intel)	19m 18s
rust / build (linux-kvm-release-intel)	13m 14s
rust / build (linux-hyperv-release-intel)	12m 56s
	2h 56m 13s

Provide feedback