this derivation will be built:
  /nix/store/rcwsl206w9zx6asr4sj5b1gszp06ci09-interpolate-conformance.drv
farm.numtide.com:50051: failed to connect to all addresses; last error: UNKNOWN: ipv4:65.21.215.17:50051: tcp handshaker shutdown, retrying
building '/nix/store/rcwsl206w9zx6asr4sj5b1gszp06ci09-interpolate-conformance.drv' on 'grpc://farm.numtide.com:50051?client-cert=/run/secrets/vars/per-machine/bld1/nix-farm-ci/crt&client-key=/run/secrets/vars/per-machine/bld1/nix-farm-ci/key&connect-timeout=22&system=aarch64-linux'
building '/nix/store/rcwsl206w9zx6asr4sj5b1gszp06ci09-interpolate-conformance.drv' on farm.numtide.com:50051
interpolate-conformance> elastic-arm-cb9b0b2d: building rcwsl206w9zx6asr4sj5b1gszp06ci09-interpolate-conformance.drv
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok