these 2 derivations will be built:
  /nix/store/8ggcsvryvwig2va77x0n03kd9v6qfnas-flake-inputs.drv
  /nix/store/pdvrjvlkxlqppz2fscs9zj5m2dzbc3m9-check-flake-inputs.drv
building '/nix/store/8ggcsvryvwig2va77x0n03kd9v6qfnas-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/8ggcsvryvwig2va77x0n03kd9v6qfnas-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-726ae161: building 8ggcsvryvwig2va77x0n03kd9v6qfnas-flake-inputs.drv
building '/nix/store/pdvrjvlkxlqppz2fscs9zj5m2dzbc3m9-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/pdvrjvlkxlqppz2fscs9zj5m2dzbc3m9-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-726ae161: building pdvrjvlkxlqppz2fscs9zj5m2dzbc3m9-check-flake-inputs.drv