these 2 derivations will be built:
  /nix/store/frh5d6f86n46g4sc673f3dh0gdv73bxl-flake-inputs.drv
  /nix/store/wp1g2fvnmblbbki6jqw0w9imkzvnhj5a-check-flake-inputs.drv
building '/nix/store/frh5d6f86n46g4sc673f3dh0gdv73bxl-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/frh5d6f86n46g4sc673f3dh0gdv73bxl-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-263f833f: building frh5d6f86n46g4sc673f3dh0gdv73bxl-flake-inputs.drv
building '/nix/store/wp1g2fvnmblbbki6jqw0w9imkzvnhj5a-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/wp1g2fvnmblbbki6jqw0w9imkzvnhj5a-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-263f833f: building wp1g2fvnmblbbki6jqw0w9imkzvnhj5a-check-flake-inputs.drv