these 2 derivations will be built:
  /nix/store/5d6xvkm5175kk45xnpnj59y161amsbh5-flake-inputs.drv
  /nix/store/6rx04xg9jc2fbqnpv8xr21jb4gyn53v7-check-flake-inputs.drv
building '/nix/store/5d6xvkm5175kk45xnpnj59y161amsbh5-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/5d6xvkm5175kk45xnpnj59y161amsbh5-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-2c14001d: building 5d6xvkm5175kk45xnpnj59y161amsbh5-flake-inputs.drv
building '/nix/store/6rx04xg9jc2fbqnpv8xr21jb4gyn53v7-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/6rx04xg9jc2fbqnpv8xr21jb4gyn53v7-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-2c14001d: building 6rx04xg9jc2fbqnpv8xr21jb4gyn53v7-check-flake-inputs.drv