these 2 derivations will be built:
  /nix/store/zvp0mr135d1ah993pc00iwi73dz99z7q-flake-inputs.drv
  /nix/store/k7hmqjjv24mrc4yj2qip8jcaz7r5zzms-check-flake-inputs.drv
building '/nix/store/zvp0mr135d1ah993pc00iwi73dz99z7q-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/zvp0mr135d1ah993pc00iwi73dz99z7q-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building zvp0mr135d1ah993pc00iwi73dz99z7q-flake-inputs.drv
building '/nix/store/k7hmqjjv24mrc4yj2qip8jcaz7r5zzms-check-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/k7hmqjjv24mrc4yj2qip8jcaz7r5zzms-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building k7hmqjjv24mrc4yj2qip8jcaz7r5zzms-check-flake-inputs.drv