these 2 derivations will be built:
  /nix/store/358a1p8dn2ydj0xhqka0wp2g1bhvin9x-flake-inputs.drv
  /nix/store/s6b1yc65v7gmpdl1kwwr23npg0ip3h4n-check-flake-inputs.drv
building '/nix/store/358a1p8dn2ydj0xhqka0wp2g1bhvin9x-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&restart-grace=900&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/358a1p8dn2ydj0xhqka0wp2g1bhvin9x-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building 358a1p8dn2ydj0xhqka0wp2g1bhvin9x-flake-inputs.drv
building '/nix/store/s6b1yc65v7gmpdl1kwwr23npg0ip3h4n-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&restart-grace=900&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/s6b1yc65v7gmpdl1kwwr23npg0ip3h4n-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building s6b1yc65v7gmpdl1kwwr23npg0ip3h4n-check-flake-inputs.drv