[anodized-core] refactor: prepare runtime checks for fuzzing #740

Job	Run time
Check formatting	7s
Lint and test anodized-logic	20s
Lint and smoke-test fuzz targets	1m 40s
Lint and test anodized-fmt	25s
Lint and test anodized-core	22s
Lint test-util	19s
Lint and test anodized with cfg `--config 'build.rustflags=["--cfg","anodized_panic"]'`	12s
Lint and test anodized with cfg ``	24s
Lint and test anodized with cfg `--config 'build.rustflags=["--cfg","anodized_print"]'`	14s
Lint and test anodized with cfg `--config 'build.rustflags=["--cfg","anodized_discard_specs"]'`	19s
	4m 22s

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