these 2 derivations will be built:
  /nix/store/wipz14ahczdrdmvdmil9izvjwlda1yxm-flake-inputs.drv
  /nix/store/b5sy3fwwim3jd8hl0klnis2c2mvjcgyn-check-flake-inputs.drv
building '/nix/store/wipz14ahczdrdmvdmil9izvjwlda1yxm-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/wipz14ahczdrdmvdmil9izvjwlda1yxm-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-e179ba83: building wipz14ahczdrdmvdmil9izvjwlda1yxm-flake-inputs.drv
building '/nix/store/b5sy3fwwim3jd8hl0klnis2c2mvjcgyn-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=23&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/b5sy3fwwim3jd8hl0klnis2c2mvjcgyn-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-dd5b305f: building b5sy3fwwim3jd8hl0klnis2c2mvjcgyn-check-flake-inputs.drv