these 2 derivations will be built:
  /nix/store/cl6h1i67sd6qm2gy2fx8zjx3h5flwnxd-flake-inputs.drv
  /nix/store/dnj304v6q1gw5i27k655yxylm9h8f8z2-check-flake-inputs.drv
building '/nix/store/cl6h1i67sd6qm2gy2fx8zjx3h5flwnxd-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/cl6h1i67sd6qm2gy2fx8zjx3h5flwnxd-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-bdb1245a: building cl6h1i67sd6qm2gy2fx8zjx3h5flwnxd-flake-inputs.drv
building '/nix/store/dnj304v6q1gw5i27k655yxylm9h8f8z2-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/dnj304v6q1gw5i27k655yxylm9h8f8z2-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-bdb1245a: building dnj304v6q1gw5i27k655yxylm9h8f8z2-check-flake-inputs.drv