these 2 derivations will be built:
  /nix/store/ad3cpah5qmyj0p72hl8rf88d6cz53cr0-flake-inputs.drv
  /nix/store/1vbn7rf3g92f2h4s12j4spck1qzc2qfy-check-flake-inputs.drv
building '/nix/store/ad3cpah5qmyj0p72hl8rf88d6cz53cr0-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/ad3cpah5qmyj0p72hl8rf88d6cz53cr0-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building ad3cpah5qmyj0p72hl8rf88d6cz53cr0-flake-inputs.drv
building '/nix/store/1vbn7rf3g92f2h4s12j4spck1qzc2qfy-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/1vbn7rf3g92f2h4s12j4spck1qzc2qfy-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building 1vbn7rf3g92f2h4s12j4spck1qzc2qfy-check-flake-inputs.drv