these 2 derivations will be built:
  /nix/store/ah0hzmincfc0q12c8hh6wmli9fic8ik1-flake-inputs.drv
  /nix/store/rlhck0zhf656rq3ih47s76igrl5gw58m-check-flake-inputs.drv
building '/nix/store/ah0hzmincfc0q12c8hh6wmli9fic8ik1-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=22&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/ah0hzmincfc0q12c8hh6wmli9fic8ik1-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building ah0hzmincfc0q12c8hh6wmli9fic8ik1-flake-inputs.drv
building '/nix/store/rlhck0zhf656rq3ih47s76igrl5gw58m-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=21&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/rlhck0zhf656rq3ih47s76igrl5gw58m-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building rlhck0zhf656rq3ih47s76igrl5gw58m-check-flake-inputs.drv