these 2 derivations will be built:
  /nix/store/1wwk1w5mrhgd2igcv2d2h6r6rx5igr43-flake-inputs.drv
  /nix/store/1n0ymr44yc6vczs005xa2yb2c620dnhi-check-flake-inputs.drv
building '/nix/store/1wwk1w5mrhgd2igcv2d2h6r6rx5igr43-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/1wwk1w5mrhgd2igcv2d2h6r6rx5igr43-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building 1wwk1w5mrhgd2igcv2d2h6r6rx5igr43-flake-inputs.drv
building '/nix/store/1n0ymr44yc6vczs005xa2yb2c620dnhi-check-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/1n0ymr44yc6vczs005xa2yb2c620dnhi-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building 1n0ymr44yc6vczs005xa2yb2c620dnhi-check-flake-inputs.drv