these 2 derivations will be built:
  /nix/store/qazfz67wijgys4rbsc0l612cd5i074v9-flake-inputs.drv
  /nix/store/myv5bryhlhlll5mn14p3fqin1j9iw2k5-check-flake-inputs.drv
building '/nix/store/qazfz67wijgys4rbsc0l612cd5i074v9-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=22&restart-grace=900&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/qazfz67wijgys4rbsc0l612cd5i074v9-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building qazfz67wijgys4rbsc0l612cd5i074v9-flake-inputs.drv
building '/nix/store/myv5bryhlhlll5mn14p3fqin1j9iw2k5-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=22&restart-grace=900&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/myv5bryhlhlll5mn14p3fqin1j9iw2k5-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building myv5bryhlhlll5mn14p3fqin1j9iw2k5-check-flake-inputs.drv