these 2 derivations will be built:
  /nix/store/wz07ifvvgxqyyxnmsm5xqhghkq925hzl-claudebox.drv
  /nix/store/jfxqszq10xzz0lbqbwfzmflamchb2jvv-check-claudebox.drv
building '/nix/store/wz07ifvvgxqyyxnmsm5xqhghkq925hzl-claudebox.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/wz07ifvvgxqyyxnmsm5xqhghkq925hzl-claudebox.drv' on farm.numtide.com:50051
claudebox> elastic-arm-e179ba83: building wz07ifvvgxqyyxnmsm5xqhghkq925hzl-claudebox.drv
building '/nix/store/jfxqszq10xzz0lbqbwfzmflamchb2jvv-check-claudebox.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/jfxqszq10xzz0lbqbwfzmflamchb2jvv-check-claudebox.drv' on farm.numtide.com:50051
check-claudebox> elastic-arm-ae77d39a: building jfxqszq10xzz0lbqbwfzmflamchb2jvv-check-claudebox.drv