these 2 derivations will be built:
  /nix/store/n2f9idb3wkb5zzh3j28w6ab1fd024gw0-flake-inputs.drv
  /nix/store/9c15xl8lpwgqvpyav6jq0nkrx2kg0ys9-check-flake-inputs.drv
building '/nix/store/n2f9idb3wkb5zzh3j28w6ab1fd024gw0-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&restart-grace=900&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/n2f9idb3wkb5zzh3j28w6ab1fd024gw0-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building n2f9idb3wkb5zzh3j28w6ab1fd024gw0-flake-inputs.drv
building '/nix/store/9c15xl8lpwgqvpyav6jq0nkrx2kg0ys9-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&restart-grace=900&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/9c15xl8lpwgqvpyav6jq0nkrx2kg0ys9-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building 9c15xl8lpwgqvpyav6jq0nkrx2kg0ys9-check-flake-inputs.drv