these 2 derivations will be built:
  /nix/store/w0h5sp62fvn04x0z4s0d56j2dp1vhinx-flake-inputs.drv
  /nix/store/hpg1ak2vr542m4a41qyg6iyamxry544w-check-flake-inputs.drv
building '/nix/store/w0h5sp62fvn04x0z4s0d56j2dp1vhinx-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=22&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/w0h5sp62fvn04x0z4s0d56j2dp1vhinx-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building w0h5sp62fvn04x0z4s0d56j2dp1vhinx-flake-inputs.drv
building '/nix/store/hpg1ak2vr542m4a41qyg6iyamxry544w-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/hpg1ak2vr542m4a41qyg6iyamxry544w-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building hpg1ak2vr542m4a41qyg6iyamxry544w-check-flake-inputs.drv