these 2 derivations will be built:
  /nix/store/fgd74ypfvyviq4xjnqbw3pjrqall8l1j-flake-inputs.drv
  /nix/store/pwbs1m8kzg1ladq0kzr99dlah4lnb8yc-check-flake-inputs.drv
building '/nix/store/fgd74ypfvyviq4xjnqbw3pjrqall8l1j-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/fgd74ypfvyviq4xjnqbw3pjrqall8l1j-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building fgd74ypfvyviq4xjnqbw3pjrqall8l1j-flake-inputs.drv
building '/nix/store/pwbs1m8kzg1ladq0kzr99dlah4lnb8yc-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/pwbs1m8kzg1ladq0kzr99dlah4lnb8yc-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building pwbs1m8kzg1ladq0kzr99dlah4lnb8yc-check-flake-inputs.drv