this derivation will be built:
  /nix/store/z9q19r9b41dj82fhqh1587av2h9bp3w3-iets-doctest-0.1.0.drv
building '/nix/store/z9q19r9b41dj82fhqh1587av2h9bp3w3-iets-doctest-0.1.0.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=23&system=aarch64-linux'
building '/nix/store/z9q19r9b41dj82fhqh1587av2h9bp3w3-iets-doctest-0.1.0.drv' on farm.numtide.com:50051
iets-doctest-0.1.0> elastic-arm-6e5fc731: building z9q19r9b41dj82fhqh1587av2h9bp3w3-iets-doctest-0.1.0.drv
iets-doctest-0.1.0> Running phase: unpackPhase
iets-doctest-0.1.0> unpacking source archive /nix/store/az2z18n1jxnzzjwjxn6k2vy7z0135mdp-source
iets-doctest-0.1.0> source root is source
iets-doctest-0.1.0> Running phase: patchPhase
iets-doctest-0.1.0> Executing configureCargoCommonVars
iets-doctest-0.1.0> decompressing cargo artifacts from /nix/store/vgy5xj7458al8bbglkmc738a1yprnn9r-iets-deps-0.1.0/target.tar.zst to target