these 2 derivations will be built:
  /nix/store/za1dijhz2b1kishign45sjp02r8qh97r-flake-inputs.drv
  /nix/store/9qz5d8hfq0nvayqvj55giafdpm7vx0pz-check-flake-inputs.drv
building '/nix/store/za1dijhz2b1kishign45sjp02r8qh97r-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/za1dijhz2b1kishign45sjp02r8qh97r-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building za1dijhz2b1kishign45sjp02r8qh97r-flake-inputs.drv
building '/nix/store/9qz5d8hfq0nvayqvj55giafdpm7vx0pz-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/9qz5d8hfq0nvayqvj55giafdpm7vx0pz-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building 9qz5d8hfq0nvayqvj55giafdpm7vx0pz-check-flake-inputs.drv