these 2 derivations will be built:
  /nix/store/c04ghvc2z4qafifz30z6pbv46k56r94m-flake-inputs.drv
  /nix/store/6zw0izmp6b8a3zn0flb0jhhkcb342h3k-check-flake-inputs.drv
building '/nix/store/c04ghvc2z4qafifz30z6pbv46k56r94m-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/c04ghvc2z4qafifz30z6pbv46k56r94m-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-bdb1245a: building c04ghvc2z4qafifz30z6pbv46k56r94m-flake-inputs.drv
building '/nix/store/6zw0izmp6b8a3zn0flb0jhhkcb342h3k-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/6zw0izmp6b8a3zn0flb0jhhkcb342h3k-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-bdb1245a: building 6zw0izmp6b8a3zn0flb0jhhkcb342h3k-check-flake-inputs.drv