this derivation will be built:
  /nix/store/zsnbywwbckbzkswj1m40qfb6dfjdd8rf-iets-fuzz-wire-check.drv
scheduler at farm.numtide.com:50051: no healthy upstream, reconnecting
scheduler at farm.numtide.com:50051: no healthy upstream, reconnecting
scheduler at farm.numtide.com:50051: no healthy upstream, reconnecting
scheduler at farm.numtide.com:50051: no healthy upstream, reconnecting