these 2 derivations will be built:
  /nix/store/6clh8a0ri0k2yv2cispsm1mjs6046s5p-flake-inputs.drv
  /nix/store/ja6qja8pr0panmsk2d60jkgs3x02w1w5-check-flake-inputs.drv
building '/nix/store/6clh8a0ri0k2yv2cispsm1mjs6046s5p-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=22&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/6clh8a0ri0k2yv2cispsm1mjs6046s5p-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building 6clh8a0ri0k2yv2cispsm1mjs6046s5p-flake-inputs.drv
building '/nix/store/ja6qja8pr0panmsk2d60jkgs3x02w1w5-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/ja6qja8pr0panmsk2d60jkgs3x02w1w5-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building ja6qja8pr0panmsk2d60jkgs3x02w1w5-check-flake-inputs.drv