these 2 derivations will be built:
  /nix/store/f03ncrb0d6pjzm4a8k3xpxb2j5qz8psl-flake-inputs.drv
  /nix/store/8jsnbrp9vk47z23ghph8vwygixa6n9jk-check-flake-inputs.drv
building '/nix/store/f03ncrb0d6pjzm4a8k3xpxb2j5qz8psl-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/f03ncrb0d6pjzm4a8k3xpxb2j5qz8psl-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-a369d9a6: building f03ncrb0d6pjzm4a8k3xpxb2j5qz8psl-flake-inputs.drv
building '/nix/store/8jsnbrp9vk47z23ghph8vwygixa6n9jk-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/8jsnbrp9vk47z23ghph8vwygixa6n9jk-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-a369d9a6: building 8jsnbrp9vk47z23ghph8vwygixa6n9jk-check-flake-inputs.drv