these 2 derivations will be built:
  /nix/store/hs6g14agvz9zrls2i57510gynah1in0j-flake-inputs.drv
  /nix/store/naqlz5vz6nsw9rlxda90hp1a3bclr6h9-check-flake-inputs.drv
building '/nix/store/hs6g14agvz9zrls2i57510gynah1in0j-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/hs6g14agvz9zrls2i57510gynah1in0j-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-2c14001d: building hs6g14agvz9zrls2i57510gynah1in0j-flake-inputs.drv
building '/nix/store/naqlz5vz6nsw9rlxda90hp1a3bclr6h9-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/naqlz5vz6nsw9rlxda90hp1a3bclr6h9-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-2c14001d: building naqlz5vz6nsw9rlxda90hp1a3bclr6h9-check-flake-inputs.drv