these 2 derivations will be built:
  /nix/store/kkz3vwnvwh22gn324h87qpd3zkncdplf-claudebox.drv
  /nix/store/l0r8iz4r5wsjhg1wdkhby55amjbi34nq-check-claudebox.drv
building '/nix/store/kkz3vwnvwh22gn324h87qpd3zkncdplf-claudebox.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=23&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/kkz3vwnvwh22gn324h87qpd3zkncdplf-claudebox.drv' on farm.numtide.com:50051
claudebox> elastic-arm-26b08a17: building kkz3vwnvwh22gn324h87qpd3zkncdplf-claudebox.drv
building '/nix/store/l0r8iz4r5wsjhg1wdkhby55amjbi34nq-check-claudebox.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=23&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/l0r8iz4r5wsjhg1wdkhby55amjbi34nq-check-claudebox.drv' on farm.numtide.com:50051
check-claudebox> elastic-arm-2bfcc0ae: building l0r8iz4r5wsjhg1wdkhby55amjbi34nq-check-claudebox.drv