these 2 derivations will be built:
  /nix/store/8af3ycn9wpg0h1nn8rxw4imvvijspjyv-iets-0.2.0.drv
  /nix/store/8ing70kl56mj8zshcq2yci04awi3japi-iets-classic-2.34.9.drv
building '/nix/store/8ing70kl56mj8zshcq2yci04awi3japi-iets-classic-2.34.9.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/8ing70kl56mj8zshcq2yci04awi3japi-iets-classic-2.34.9.drv' on farm.numtide.com:50051
iets-classic-2.34.9> elastic-arm-966c2191: building 8ing70kl56mj8zshcq2yci04awi3japi-iets-classic-2.34.9.drv