these 2 derivations will be built:
  /nix/store/kz4nmnq09jigcck6nysyl39si1ly22vp-flake-inputs.drv
  /nix/store/1dpxra4ii2i5i1m20kpv1vc9ll7r6g65-check-flake-inputs.drv
building '/nix/store/kz4nmnq09jigcck6nysyl39si1ly22vp-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/kz4nmnq09jigcck6nysyl39si1ly22vp-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building kz4nmnq09jigcck6nysyl39si1ly22vp-flake-inputs.drv
building '/nix/store/1dpxra4ii2i5i1m20kpv1vc9ll7r6g65-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=23&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/1dpxra4ii2i5i1m20kpv1vc9ll7r6g65-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building 1dpxra4ii2i5i1m20kpv1vc9ll7r6g65-check-flake-inputs.drv