these 2 derivations will be built:
  /nix/store/dszgzgzg7i7sfm6207s2gifcjy090v68-flake-inputs.drv
  /nix/store/cblh2ypgj7b7vzid0knv2wf8jq2vv2b8-check-flake-inputs.drv
building '/nix/store/dszgzgzg7i7sfm6207s2gifcjy090v68-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&restart-grace=900&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/dszgzgzg7i7sfm6207s2gifcjy090v68-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building dszgzgzg7i7sfm6207s2gifcjy090v68-flake-inputs.drv
building '/nix/store/cblh2ypgj7b7vzid0knv2wf8jq2vv2b8-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&restart-grace=900&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/cblh2ypgj7b7vzid0knv2wf8jq2vv2b8-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building cblh2ypgj7b7vzid0knv2wf8jq2vv2b8-check-flake-inputs.drv