these 2 derivations will be built:
  /nix/store/yj3lpzrk6gr9amdyc6i754rh6argbzwx-flake-inputs.drv
  /nix/store/s5w67j8haimb6rw1mbw1s0zg2py9lix3-check-flake-inputs.drv
building '/nix/store/yj3lpzrk6gr9amdyc6i754rh6argbzwx-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/yj3lpzrk6gr9amdyc6i754rh6argbzwx-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-2c14001d: building yj3lpzrk6gr9amdyc6i754rh6argbzwx-flake-inputs.drv
building '/nix/store/s5w67j8haimb6rw1mbw1s0zg2py9lix3-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/s5w67j8haimb6rw1mbw1s0zg2py9lix3-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-2c14001d: building s5w67j8haimb6rw1mbw1s0zg2py9lix3-check-flake-inputs.drv