these 2 derivations will be built:
  /nix/store/vyi025222ggys6hy331kjv5409zn5fy0-flake-inputs.drv
  /nix/store/j40jsl871ljaa1h6ysx6s8ppmnir5m7b-check-flake-inputs.drv
building '/nix/store/vyi025222ggys6hy331kjv5409zn5fy0-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/vyi025222ggys6hy331kjv5409zn5fy0-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building vyi025222ggys6hy331kjv5409zn5fy0-flake-inputs.drv
building '/nix/store/j40jsl871ljaa1h6ysx6s8ppmnir5m7b-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/j40jsl871ljaa1h6ysx6s8ppmnir5m7b-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building j40jsl871ljaa1h6ysx6s8ppmnir5m7b-check-flake-inputs.drv