these 2 derivations will be built:
  /nix/store/bkbn17bsi7azn57bq8x8hb736ik7kzin-flake-inputs.drv
  /nix/store/b5j281gq984pc8nij7c3l7646czh76wm-check-flake-inputs.drv
building '/nix/store/bkbn17bsi7azn57bq8x8hb736ik7kzin-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/bkbn17bsi7azn57bq8x8hb736ik7kzin-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-20d6c3df: building bkbn17bsi7azn57bq8x8hb736ik7kzin-flake-inputs.drv
building '/nix/store/b5j281gq984pc8nij7c3l7646czh76wm-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/b5j281gq984pc8nij7c3l7646czh76wm-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-20d6c3df: building b5j281gq984pc8nij7c3l7646czh76wm-check-flake-inputs.drv