Fatality is used at run time in 59 crates (of which 8 optionally). It is a direct run-time dependency in 12 crates.

Depender (with downloads and own rev deps) Fatality version
3.3K 14 polkadot-node-network-protocol ^0.0.6
2.7K 21 polkadot-node-subsystem-util ^0.0.6
2.3K 2 polkadot-network-bridge ^0.0.6
2.3K 2 polkadot-availability-recovery ^0.0.6
2.3K 2 polkadot-collator-protocol ^0.0.6
2.3K 2 polkadot-node-core-prospective-parachains ^0.0.6
2.3K 1 polkadot-availability-distribution ^0.0.6
2.3K 1 polkadot-dispute-distribution ^0.0.6
2.3K 1 polkadot-node-core-provisioner ^0.0.6
2.3K 1 polkadot-node-core-backing ^0.0.6
2.3K 1 polkadot-node-core-dispute-coordinator ^0.0.6
2.3K 1 polkadot-statement-distribution ^0.0.6