these 2 derivations will be built:
  /nix/store/fkpwck3apx310a5dikfr9vjsm6rgsp7x-flake-inputs.drv
  /nix/store/0vxxmlsy564jy17l7546sx4jihvjbfh3-check-flake-inputs.drv
building '/nix/store/fkpwck3apx310a5dikfr9vjsm6rgsp7x-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=21&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/fkpwck3apx310a5dikfr9vjsm6rgsp7x-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-f49ce1c9: building fkpwck3apx310a5dikfr9vjsm6rgsp7x-flake-inputs.drv
building '/nix/store/0vxxmlsy564jy17l7546sx4jihvjbfh3-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=21&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/0vxxmlsy564jy17l7546sx4jihvjbfh3-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-f49ce1c9: building 0vxxmlsy564jy17l7546sx4jihvjbfh3-check-flake-inputs.drv