these 2 derivations will be built:
  /nix/store/6af8bcpqadl59hxjjmnpyn9fgs3145ir-flake-inputs.drv
  /nix/store/0jj2ryvp5jv5b2pyv8lircnl7zmn9zrc-check-flake-inputs.drv
building '/nix/store/6af8bcpqadl59hxjjmnpyn9fgs3145ir-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=22&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/6af8bcpqadl59hxjjmnpyn9fgs3145ir-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-20d6c3df: building 6af8bcpqadl59hxjjmnpyn9fgs3145ir-flake-inputs.drv
building '/nix/store/0jj2ryvp5jv5b2pyv8lircnl7zmn9zrc-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=22&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/0jj2ryvp5jv5b2pyv8lircnl7zmn9zrc-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-20d6c3df: building 0jj2ryvp5jv5b2pyv8lircnl7zmn9zrc-check-flake-inputs.drv