PR #126: Mutation testing

Agent Instructions

Click a suite to see its builds. Example suite for cb25735b :

https://staging.nix-ci.com/gh:NorfairKing:sydtest/refs%2Fpull%2F126%2Fmerge/cb25735b0fde02af480a8871f21117fe25df495c

For more instructions, fetch https://staging.nix-ci.com/instructions .