Give `PendingRow` its `BTreeMap` back... or don't? 😶 #16358

Job	Run time
paths-filter	5s
Checks / Check if running codegen would produce any changes	1m 20s
Checks / Rerun lints	47s
Checks / Lint markdown	20s
Checks / markdown-paths-filter	7s
Checks / Misc formatting	17s
Checks / Spell Check	6s
C++ tests	0s
Python Checks	0s
Deploy Landing Preview	0s
Minimum CLI Build / Set Config (linux-x64)	3s
Rust Checks / Test on ${{ matrix.name }}	0s
Rust Checks / Rust lints (fmt, check, clippy, tests, doc)	9m 46s
Build rerun_js / Build rerun_js	3m 11s
Build web viewer / Build web viewer	2m 51s
Checks / Check links	0s
Minimum CLI Build / Build rerun-cli (ubuntu-latest-16-cores)	5m 29s
Upload Web / Upload web build to google cloud (wasm32 + wasm-bindgen)	12s
Minimum Wheel Build / Set Config (linux-x64)	1s
Minimum Wheel Build / Build Wheels (ubuntu-latest-16-cores)	2m 19s
Minimum Wheel Test / Set Config (linux-x64)	3s
Minimum Wheel Test / Test Wheels (ubuntu-latest-16-cores)	4m 5s
	31m 2s

Provide feedback