these 2 derivations will be built:
  /nix/store/h452r3gi71j71akjc476ywqbhdbx8gda-flake-inputs.drv
  /nix/store/8wg5njnsm5qwfwl709zj3ympbhwlxdf2-check-flake-inputs.drv
building '/nix/store/h452r3gi71j71akjc476ywqbhdbx8gda-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/h452r3gi71j71akjc476ywqbhdbx8gda-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building h452r3gi71j71akjc476ywqbhdbx8gda-flake-inputs.drv
building '/nix/store/8wg5njnsm5qwfwl709zj3ympbhwlxdf2-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/8wg5njnsm5qwfwl709zj3ympbhwlxdf2-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building 8wg5njnsm5qwfwl709zj3ympbhwlxdf2-check-flake-inputs.drv