these 2 derivations will be built:
  /nix/store/3hb6g12iv4yaw2z12ynncg056f09w3bx-flake-inputs.drv
  /nix/store/1k8kzbjwwn7j7r2rwbqa30z2qks93h0v-check-flake-inputs.drv
building '/nix/store/3hb6g12iv4yaw2z12ynncg056f09w3bx-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/3hb6g12iv4yaw2z12ynncg056f09w3bx-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-9a50e053: building 3hb6g12iv4yaw2z12ynncg056f09w3bx-flake-inputs.drv
building '/nix/store/1k8kzbjwwn7j7r2rwbqa30z2qks93h0v-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=23&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/1k8kzbjwwn7j7r2rwbqa30z2qks93h0v-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-9a50e053: building 1k8kzbjwwn7j7r2rwbqa30z2qks93h0v-check-flake-inputs.drv