these 2 derivations will be built:
  /nix/store/py39w7ff3glbbik1m3p9qpdzmy6khjv0-flake-inputs.drv
  /nix/store/mch5zyziz9q3jayn5f85mj4xvj8bphhy-check-flake-inputs.drv
building '/nix/store/py39w7ff3glbbik1m3p9qpdzmy6khjv0-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=22&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/py39w7ff3glbbik1m3p9qpdzmy6khjv0-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-23d67df9: building py39w7ff3glbbik1m3p9qpdzmy6khjv0-flake-inputs.drv
building '/nix/store/mch5zyziz9q3jayn5f85mj4xvj8bphhy-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=22&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/mch5zyziz9q3jayn5f85mj4xvj8bphhy-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-263f833f: building mch5zyziz9q3jayn5f85mj4xvj8bphhy-check-flake-inputs.drv