these 2 derivations will be built:
  /nix/store/pw3611y95bf69sp83wkvdyy3azdn68iw-flake-inputs.drv
  /nix/store/j951r7aha4ca9y2nrh0xmpds7d4hva85-check-flake-inputs.drv
building '/nix/store/pw3611y95bf69sp83wkvdyy3azdn68iw-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=21&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/pw3611y95bf69sp83wkvdyy3azdn68iw-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building pw3611y95bf69sp83wkvdyy3azdn68iw-flake-inputs.drv
building '/nix/store/j951r7aha4ca9y2nrh0xmpds7d4hva85-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=21&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/j951r7aha4ca9y2nrh0xmpds7d4hva85-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building j951r7aha4ca9y2nrh0xmpds7d4hva85-check-flake-inputs.drv