don't report error on notimplemented, might fix go crash (#3045) #14049

Job	Run time
check_if_release_branch	1s
towncrier_check	8s
changed_files	6s
build mirrord CLI	0s
test_agent	3m 18s
lint	3m 7s
integration_tests	5m 40s
check-rust-docs	59s
macos_tests	15m 41s
test_agent_image	6m 25s
test_cli_image	8m 40s
lint_markdown	0s
intellij_e2e_on_release_branch	0s
e2e (docker)	11m 39s
vscode_e2e_on_release_branch	0s
e2e (containerd)	9m 25s
ci	1s
	1h 5m 10s

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