these 2 derivations will be built:
  /nix/store/5dn66392mpzr55835nz8s4dlfdg9jlny-flake-inputs.drv
  /nix/store/kf56m6m062lw4l5qda6kswqxyr96ns0j-check-flake-inputs.drv
building '/nix/store/5dn66392mpzr55835nz8s4dlfdg9jlny-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/5dn66392mpzr55835nz8s4dlfdg9jlny-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-3e34f16b: building 5dn66392mpzr55835nz8s4dlfdg9jlny-flake-inputs.drv
building '/nix/store/kf56m6m062lw4l5qda6kswqxyr96ns0j-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/kf56m6m062lw4l5qda6kswqxyr96ns0j-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-3e34f16b: building kf56m6m062lw4l5qda6kswqxyr96ns0j-check-flake-inputs.drv