these 2 derivations will be built:
  /nix/store/6rmbxxkxg127h8nhvp3qqjdijmw33f53-flake-inputs.drv
  /nix/store/8hnhcp4ca455np7p72mvp5hzdyn3hkbf-check-flake-inputs.drv
building '/nix/store/6rmbxxkxg127h8nhvp3qqjdijmw33f53-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=22&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/6rmbxxkxg127h8nhvp3qqjdijmw33f53-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-9a50e053: building 6rmbxxkxg127h8nhvp3qqjdijmw33f53-flake-inputs.drv
building '/nix/store/8hnhcp4ca455np7p72mvp5hzdyn3hkbf-check-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/8hnhcp4ca455np7p72mvp5hzdyn3hkbf-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-a30baf54: building 8hnhcp4ca455np7p72mvp5hzdyn3hkbf-check-flake-inputs.drv