these 2 derivations will be built:
  /nix/store/8salh0294f64cfwz7cfijkv0f44xa33z-flake-inputs.drv
  /nix/store/vg3fyp501hvai8wy4jp4pw3ch7kdvxkn-check-flake-inputs.drv
building '/nix/store/8salh0294f64cfwz7cfijkv0f44xa33z-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=23&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/8salh0294f64cfwz7cfijkv0f44xa33z-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building 8salh0294f64cfwz7cfijkv0f44xa33z-flake-inputs.drv
building '/nix/store/vg3fyp501hvai8wy4jp4pw3ch7kdvxkn-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=23&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/vg3fyp501hvai8wy4jp4pw3ch7kdvxkn-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building vg3fyp501hvai8wy4jp4pw3ch7kdvxkn-check-flake-inputs.drv