Warn validators with slow hardware (#1863)

* Warn validators with slow hardware

* update

* fix

* revert

* Fix printing logic

Signed-off-by: Oliver Tale-Yazdi <[email protected]>

* Update polkadot-parachain/src/service.rs

* import

Signed-off-by: Oliver Tale-Yazdi <[email protected]>

* update lockfile for {"substrate", "polkadot"}

Signed-off-by: Oliver Tale-Yazdi <[email protected]>
Co-authored-by: parity-processbot <>
Co-authored-by: Oliver Tale-Yazdi <[email protected]>

Author: Szegoo