this derivation will be built:
  /nix/store/93kcpgj68jn2d5xj82pmr06bxk6xdm8l-iets-classic-2.34.9.drv
farm.numtide.com:50051: failed to connect to all addresses; last error: UNKNOWN: ipv4:65.21.215.17:50051: handshaker shutdown, retrying
farm.numtide.com:50051: failed to connect to all addresses; last error: UNKNOWN: ipv4:65.21.215.17:50051: handshaker shutdown, retrying
farm.numtide.com:50051: failed to connect to all addresses; last error: UNKNOWN: ipv4:65.21.215.17:50051: handshaker shutdown, retrying