these 2 derivations will be built:
  /nix/store/i4wjyvd8cr1bdq5w4ds3ly43bxpcpl2f-flake-inputs.drv
  /nix/store/kpafnbylj3jhdzc898k0a9shq7rpk1w5-check-flake-inputs.drv
building '/nix/store/i4wjyvd8cr1bdq5w4ds3ly43bxpcpl2f-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/i4wjyvd8cr1bdq5w4ds3ly43bxpcpl2f-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building i4wjyvd8cr1bdq5w4ds3ly43bxpcpl2f-flake-inputs.drv
building '/nix/store/kpafnbylj3jhdzc898k0a9shq7rpk1w5-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/kpafnbylj3jhdzc898k0a9shq7rpk1w5-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building kpafnbylj3jhdzc898k0a9shq7rpk1w5-check-flake-inputs.drv