these 2 derivations will be built:
  /nix/store/398ks0mf60r648mkh34fqqhk79db5lll-flake-inputs.drv
  /nix/store/4xcx5rii0r10230mi4zy9siiic4ik4r8-check-flake-inputs.drv
building '/nix/store/398ks0mf60r648mkh34fqqhk79db5lll-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=22&restart-grace=900&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/398ks0mf60r648mkh34fqqhk79db5lll-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building 398ks0mf60r648mkh34fqqhk79db5lll-flake-inputs.drv
building '/nix/store/4xcx5rii0r10230mi4zy9siiic4ik4r8-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=22&restart-grace=900&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/4xcx5rii0r10230mi4zy9siiic4ik4r8-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building 4xcx5rii0r10230mi4zy9siiic4ik4r8-check-flake-inputs.drv