these 2 derivations will be built:
  /nix/store/zmr577a6c0q7w7vak9905xyff8hmbqg3-flake-inputs.drv
  /nix/store/j2dn4p9f0p9m8krm530c6xq6qll0dfsq-check-flake-inputs.drv
building '/nix/store/zmr577a6c0q7w7vak9905xyff8hmbqg3-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/zmr577a6c0q7w7vak9905xyff8hmbqg3-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-2c14001d: building zmr577a6c0q7w7vak9905xyff8hmbqg3-flake-inputs.drv
building '/nix/store/j2dn4p9f0p9m8krm530c6xq6qll0dfsq-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/j2dn4p9f0p9m8krm530c6xq6qll0dfsq-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-2c14001d: building j2dn4p9f0p9m8krm530c6xq6qll0dfsq-check-flake-inputs.drv