this derivation will be built:
  /nix/store/47rch3cjnqdy8n7ag5zr8d44s2jgwq0i-iets-classic-2.34.8.drv
building '/nix/store/47rch3cjnqdy8n7ag5zr8d44s2jgwq0i-iets-classic-2.34.8.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=23&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/47rch3cjnqdy8n7ag5zr8d44s2jgwq0i-iets-classic-2.34.8.drv' on farm.numtide.com:50051
iets-classic-2.34.8> elastic-arm-23d67df9: building 47rch3cjnqdy8n7ag5zr8d44s2jgwq0i-iets-classic-2.34.8.drv