[Traffic Control] Improved error metrics and benchmarking #78491

Job	Run time
diff	7s
license-check	1m 4s
test (ubuntu-ghcloud)	27m 40s
windows-build (windows-ghcloud)	15m 36s
simtest	15m 30s
clippy	3m 22s
test-extra (ubuntu-ghcloud)	30m 4s
cargo-deny (bans, licenses, sources)	34s
cargo-deny (advisories)	35s
move-test	0s
rustfmt	23s
cutting a new execution layer	1m 29s
test-extra	0s
test	0s
	1h 36m 24s

Provide feedback