these 2 derivations will be built:
  /nix/store/9nkqdn790a6wll1p752hwga9xb1sdw7h-flake-inputs.drv
  /nix/store/mcsic24x39ng7xda04kjl5583xx1b56q-check-flake-inputs.drv
building '/nix/store/9nkqdn790a6wll1p752hwga9xb1sdw7h-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/9nkqdn790a6wll1p752hwga9xb1sdw7h-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building 9nkqdn790a6wll1p752hwga9xb1sdw7h-flake-inputs.drv
building '/nix/store/mcsic24x39ng7xda04kjl5583xx1b56q-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/mcsic24x39ng7xda04kjl5583xx1b56q-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building mcsic24x39ng7xda04kjl5583xx1b56q-check-flake-inputs.drv