these 2 derivations will be built:
  /nix/store/9zgblglxmh0vzn5k8zz64k87f34794wx-flake-inputs.drv
  /nix/store/x210l3capb0fnsj88z3cia1y79xaxbra-check-flake-inputs.drv
building '/nix/store/9zgblglxmh0vzn5k8zz64k87f34794wx-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/9zgblglxmh0vzn5k8zz64k87f34794wx-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building 9zgblglxmh0vzn5k8zz64k87f34794wx-flake-inputs.drv
building '/nix/store/x210l3capb0fnsj88z3cia1y79xaxbra-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/x210l3capb0fnsj88z3cia1y79xaxbra-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building x210l3capb0fnsj88z3cia1y79xaxbra-check-flake-inputs.drv