these 2 derivations will be built:
  /nix/store/6a8nab1pb588zh9d44smpg3jdi93z816-flake-inputs.drv
  /nix/store/smfkkv0g5cy1zplxng62r2z7as6rspgl-check-flake-inputs.drv
building '/nix/store/6a8nab1pb588zh9d44smpg3jdi93z816-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/6a8nab1pb588zh9d44smpg3jdi93z816-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building 6a8nab1pb588zh9d44smpg3jdi93z816-flake-inputs.drv
building '/nix/store/smfkkv0g5cy1zplxng62r2z7as6rspgl-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/smfkkv0g5cy1zplxng62r2z7as6rspgl-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building smfkkv0g5cy1zplxng62r2z7as6rspgl-check-flake-inputs.drv