these 2 derivations will be built:
  /nix/store/pj7fyxnx7na46yqg5wl2b64cqp5dq3fm-flake-inputs.drv
  /nix/store/ar44fsyigzf6nnzcd3sy45n9p1d0agzf-check-flake-inputs.drv
building '/nix/store/pj7fyxnx7na46yqg5wl2b64cqp5dq3fm-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=22&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/pj7fyxnx7na46yqg5wl2b64cqp5dq3fm-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-9a50e053: building pj7fyxnx7na46yqg5wl2b64cqp5dq3fm-flake-inputs.drv
building '/nix/store/ar44fsyigzf6nnzcd3sy45n9p1d0agzf-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/ar44fsyigzf6nnzcd3sy45n9p1d0agzf-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-9a50e053: building ar44fsyigzf6nnzcd3sy45n9p1d0agzf-check-flake-inputs.drv