these 2 derivations will be built:
  /nix/store/krf3ql0cj3nkc4c6hazl9gpp86ak0a64-flake-inputs.drv
  /nix/store/47v1kacl47m71cs5wgarkfbnipnb51cr-check-flake-inputs.drv
building '/nix/store/krf3ql0cj3nkc4c6hazl9gpp86ak0a64-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/krf3ql0cj3nkc4c6hazl9gpp86ak0a64-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-3e34f16b: building krf3ql0cj3nkc4c6hazl9gpp86ak0a64-flake-inputs.drv
building '/nix/store/47v1kacl47m71cs5wgarkfbnipnb51cr-check-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/47v1kacl47m71cs5wgarkfbnipnb51cr-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-9a50e053: building 47v1kacl47m71cs5wgarkfbnipnb51cr-check-flake-inputs.drv