these 2 derivations will be built:
  /nix/store/y104rk54rjj5nj1dh6618gpffbj8h54h-flake-inputs.drv
  /nix/store/6iy66ds0dj35yb4f01bry9zs99nraqra-check-flake-inputs.drv
building '/nix/store/y104rk54rjj5nj1dh6618gpffbj8h54h-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/y104rk54rjj5nj1dh6618gpffbj8h54h-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-26b08a17: building y104rk54rjj5nj1dh6618gpffbj8h54h-flake-inputs.drv
building '/nix/store/6iy66ds0dj35yb4f01bry9zs99nraqra-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/6iy66ds0dj35yb4f01bry9zs99nraqra-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-0e7eb4fa: building 6iy66ds0dj35yb4f01bry9zs99nraqra-check-flake-inputs.drv