these 2 derivations will be built:
  /nix/store/m9irb04wxq1d07g2w4l4n35xfyy39564-flake-inputs.drv
  /nix/store/4rcxa3w3iq14qm1r2gs5ymlxl5kxqc7l-check-flake-inputs.drv
building '/nix/store/m9irb04wxq1d07g2w4l4n35xfyy39564-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/m9irb04wxq1d07g2w4l4n35xfyy39564-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-2c14001d: building m9irb04wxq1d07g2w4l4n35xfyy39564-flake-inputs.drv
building '/nix/store/4rcxa3w3iq14qm1r2gs5ymlxl5kxqc7l-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/4rcxa3w3iq14qm1r2gs5ymlxl5kxqc7l-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-2c14001d: building 4rcxa3w3iq14qm1r2gs5ymlxl5kxqc7l-check-flake-inputs.drv