these 2 derivations will be built:
  /nix/store/ic1nd9s7l0fhiw0xn5c983njjyp39n4g-iets-0.2.0.drv
  /nix/store/ciai6lpxp9lm3g9rzds9lhdg77lmk0yj-iets-classic-2.34.9.drv
building '/nix/store/ciai6lpxp9lm3g9rzds9lhdg77lmk0yj-iets-classic-2.34.9.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=23&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/ciai6lpxp9lm3g9rzds9lhdg77lmk0yj-iets-classic-2.34.9.drv' on farm.numtide.com:50051
iets-classic-2.34.9> elastic-arm-f49ce1c9: building ciai6lpxp9lm3g9rzds9lhdg77lmk0yj-iets-classic-2.34.9.drv