these 2 derivations will be built:
  /nix/store/iw80dd19pjvs0by2vkhlg1hvc35x1qs3-flake-inputs.drv
  /nix/store/493jpqsgz4vpvcyal4g1bfq70g8kspgq-check-flake-inputs.drv
building '/nix/store/iw80dd19pjvs0by2vkhlg1hvc35x1qs3-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/iw80dd19pjvs0by2vkhlg1hvc35x1qs3-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building iw80dd19pjvs0by2vkhlg1hvc35x1qs3-flake-inputs.drv
building '/nix/store/493jpqsgz4vpvcyal4g1bfq70g8kspgq-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/493jpqsgz4vpvcyal4g1bfq70g8kspgq-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building 493jpqsgz4vpvcyal4g1bfq70g8kspgq-check-flake-inputs.drv