these 2 derivations will be built:
  /nix/store/nkz10cnz0p1503scrgignzpxq32swall-flake-inputs.drv
  /nix/store/xrvsnb1f5v57a1qpi4vgcs54q3kfklk1-check-flake-inputs.drv
building '/nix/store/nkz10cnz0p1503scrgignzpxq32swall-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=21&restart-grace=900&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/nkz10cnz0p1503scrgignzpxq32swall-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building nkz10cnz0p1503scrgignzpxq32swall-flake-inputs.drv
building '/nix/store/xrvsnb1f5v57a1qpi4vgcs54q3kfklk1-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=21&restart-grace=900&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/xrvsnb1f5v57a1qpi4vgcs54q3kfklk1-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building xrvsnb1f5v57a1qpi4vgcs54q3kfklk1-check-flake-inputs.drv