these 2 derivations will be built:
  /nix/store/hrnqffc1v0s8jlx2xi406lvq3vw8sf43-flake-inputs.drv
  /nix/store/9snanw19ipia6j6j3fsn368b6hc42pjb-check-flake-inputs.drv
building '/nix/store/hrnqffc1v0s8jlx2xi406lvq3vw8sf43-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/hrnqffc1v0s8jlx2xi406lvq3vw8sf43-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building hrnqffc1v0s8jlx2xi406lvq3vw8sf43-flake-inputs.drv
building '/nix/store/9snanw19ipia6j6j3fsn368b6hc42pjb-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/9snanw19ipia6j6j3fsn368b6hc42pjb-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building 9snanw19ipia6j6j3fsn368b6hc42pjb-check-flake-inputs.drv