these 2 derivations will be built:
  /nix/store/zz0sc8lg7wvr9ym08b93kh12vikkpf5l-flake-inputs.drv
  /nix/store/0bakjq78l2pl0yxb12hzzr8m50c9gjc9-check-flake-inputs.drv
building '/nix/store/zz0sc8lg7wvr9ym08b93kh12vikkpf5l-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=22&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/zz0sc8lg7wvr9ym08b93kh12vikkpf5l-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-263f833f: building zz0sc8lg7wvr9ym08b93kh12vikkpf5l-flake-inputs.drv
building '/nix/store/0bakjq78l2pl0yxb12hzzr8m50c9gjc9-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=22&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/0bakjq78l2pl0yxb12hzzr8m50c9gjc9-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-23d67df9: building 0bakjq78l2pl0yxb12hzzr8m50c9gjc9-check-flake-inputs.drv