these 2 derivations will be built:
  /nix/store/hf7x1pahch5b5jv35pra3wgfgwd1758h-flake-inputs.drv
  /nix/store/9lc9yshc6q6y2v965mjn869v82k3ps6j-check-flake-inputs.drv
building '/nix/store/hf7x1pahch5b5jv35pra3wgfgwd1758h-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/hf7x1pahch5b5jv35pra3wgfgwd1758h-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-23d67df9: building hf7x1pahch5b5jv35pra3wgfgwd1758h-flake-inputs.drv
building '/nix/store/9lc9yshc6q6y2v965mjn869v82k3ps6j-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/9lc9yshc6q6y2v965mjn869v82k3ps6j-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-23d67df9: building 9lc9yshc6q6y2v965mjn869v82k3ps6j-check-flake-inputs.drv