these 2 derivations will be built:
  /nix/store/h9qc0xg2yl09ympwbm5v9xsxn4r72v9c-flake-inputs.drv
  /nix/store/vvy17xa0qwi7mgkk5r5ic009sb6fjx49-check-flake-inputs.drv
building '/nix/store/h9qc0xg2yl09ympwbm5v9xsxn4r72v9c-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=21&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/h9qc0xg2yl09ympwbm5v9xsxn4r72v9c-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building h9qc0xg2yl09ympwbm5v9xsxn4r72v9c-flake-inputs.drv
building '/nix/store/vvy17xa0qwi7mgkk5r5ic009sb6fjx49-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=21&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/vvy17xa0qwi7mgkk5r5ic009sb6fjx49-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building vvy17xa0qwi7mgkk5r5ic009sb6fjx49-check-flake-inputs.drv