these 2 derivations will be built:
  /nix/store/f9p40whqvbvigq33fsw7rsrgq0sijqrq-flake-inputs.drv
  /nix/store/8k8828ljidvbfpyrc7v99bl55k3nwhsy-check-flake-inputs.drv
building '/nix/store/f9p40whqvbvigq33fsw7rsrgq0sijqrq-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/f9p40whqvbvigq33fsw7rsrgq0sijqrq-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-726ae161: building f9p40whqvbvigq33fsw7rsrgq0sijqrq-flake-inputs.drv
building '/nix/store/8k8828ljidvbfpyrc7v99bl55k3nwhsy-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/8k8828ljidvbfpyrc7v99bl55k3nwhsy-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-726ae161: building 8k8828ljidvbfpyrc7v99bl55k3nwhsy-check-flake-inputs.drv