these 2 derivations will be built:
  /nix/store/n4m4vyd2j9qpzvnrxvkgwk9460c8va00-flake-inputs.drv
  /nix/store/hj1fsvjgp8gkk6c37gfjrqfyj39d2c2b-check-flake-inputs.drv
building '/nix/store/n4m4vyd2j9qpzvnrxvkgwk9460c8va00-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/n4m4vyd2j9qpzvnrxvkgwk9460c8va00-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building n4m4vyd2j9qpzvnrxvkgwk9460c8va00-flake-inputs.drv
building '/nix/store/hj1fsvjgp8gkk6c37gfjrqfyj39d2c2b-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/hj1fsvjgp8gkk6c37gfjrqfyj39d2c2b-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building hj1fsvjgp8gkk6c37gfjrqfyj39d2c2b-check-flake-inputs.drv