these 2 derivations will be built:
  /nix/store/y0f7cy9w2i4c7ix1abds3d3z12dkq1jw-flake-inputs.drv
  /nix/store/vikskvikbgazahvwigq9rn4dkln7cnmq-check-flake-inputs.drv
building '/nix/store/y0f7cy9w2i4c7ix1abds3d3z12dkq1jw-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/y0f7cy9w2i4c7ix1abds3d3z12dkq1jw-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-2c14001d: building y0f7cy9w2i4c7ix1abds3d3z12dkq1jw-flake-inputs.drv
building '/nix/store/vikskvikbgazahvwigq9rn4dkln7cnmq-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/vikskvikbgazahvwigq9rn4dkln7cnmq-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-2c14001d: building vikskvikbgazahvwigq9rn4dkln7cnmq-check-flake-inputs.drv