these 2 derivations will be built:
  /nix/store/k3mmvdbg3rib61h3mzc1yrs4da08j5zg-flake-inputs.drv
  /nix/store/13qivw2adar9mybwqj602yzgw2539p6b-check-flake-inputs.drv
building '/nix/store/k3mmvdbg3rib61h3mzc1yrs4da08j5zg-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=21&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/k3mmvdbg3rib61h3mzc1yrs4da08j5zg-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-9a50e053: building k3mmvdbg3rib61h3mzc1yrs4da08j5zg-flake-inputs.drv
building '/nix/store/13qivw2adar9mybwqj602yzgw2539p6b-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=21&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/13qivw2adar9mybwqj602yzgw2539p6b-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-9a50e053: building 13qivw2adar9mybwqj602yzgw2539p6b-check-flake-inputs.drv