these 2 derivations will be built:
  /nix/store/idmv1j5hy9q9v831gyr8115x7k7lrd7s-flake-inputs.drv
  /nix/store/2r7z9a18l3v0p9wggkg277pz9islb10m-check-flake-inputs.drv
building '/nix/store/idmv1j5hy9q9v831gyr8115x7k7lrd7s-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/idmv1j5hy9q9v831gyr8115x7k7lrd7s-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building idmv1j5hy9q9v831gyr8115x7k7lrd7s-flake-inputs.drv
building '/nix/store/2r7z9a18l3v0p9wggkg277pz9islb10m-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/2r7z9a18l3v0p9wggkg277pz9islb10m-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building 2r7z9a18l3v0p9wggkg277pz9islb10m-check-flake-inputs.drv