these 2 derivations will be built:
  /nix/store/a1vwav4yn13ckhs8b258xbs2qa0ya2c1-flake-inputs.drv
  /nix/store/l2kjpd7v7x1iqkh07yinis6khdy5zchy-check-flake-inputs.drv
building '/nix/store/a1vwav4yn13ckhs8b258xbs2qa0ya2c1-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/a1vwav4yn13ckhs8b258xbs2qa0ya2c1-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building a1vwav4yn13ckhs8b258xbs2qa0ya2c1-flake-inputs.drv
building '/nix/store/l2kjpd7v7x1iqkh07yinis6khdy5zchy-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/l2kjpd7v7x1iqkh07yinis6khdy5zchy-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building l2kjpd7v7x1iqkh07yinis6khdy5zchy-check-flake-inputs.drv