these 2 derivations will be built:
  /nix/store/2kaangws2rbbk0c2wd5ix7h52qg28b2m-flake-inputs.drv
  /nix/store/1kxi03znf8byqimhkq9nvj8n139h24qr-check-flake-inputs.drv
building '/nix/store/2kaangws2rbbk0c2wd5ix7h52qg28b2m-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/2kaangws2rbbk0c2wd5ix7h52qg28b2m-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-23d67df9: building 2kaangws2rbbk0c2wd5ix7h52qg28b2m-flake-inputs.drv
building '/nix/store/1kxi03znf8byqimhkq9nvj8n139h24qr-check-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/1kxi03znf8byqimhkq9nvj8n139h24qr-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-23d67df9: building 1kxi03znf8byqimhkq9nvj8n139h24qr-check-flake-inputs.drv