these 2 derivations will be built:
  /nix/store/7dk5041rfa4pl9ala6vfla18w9q34a9b-flake-inputs.drv
  /nix/store/81j096xyzg40lrgls606847xkn3kyf1k-check-flake-inputs.drv
building '/nix/store/7dk5041rfa4pl9ala6vfla18w9q34a9b-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/7dk5041rfa4pl9ala6vfla18w9q34a9b-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building 7dk5041rfa4pl9ala6vfla18w9q34a9b-flake-inputs.drv
building '/nix/store/81j096xyzg40lrgls606847xkn3kyf1k-check-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/81j096xyzg40lrgls606847xkn3kyf1k-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building 81j096xyzg40lrgls606847xkn3kyf1k-check-flake-inputs.drv